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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/arm/arm.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/arm/arm.h | 3196 |
1 files changed, 3196 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/arm/arm.h b/gcc-4.2.1-5666.3/gcc/config/arm/arm.h new file mode 100644 index 000000000..5bc8fe82d --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/config/arm/arm.h @@ -0,0 +1,3196 @@ +/* Definitions of target machine for GNU compiler, for ARM. + Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, + 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl) + and Martin Simmons (@harleqn.co.uk). + More major hacks by Richard Earnshaw (rearnsha@arm.com) + Minor hacks by Nick Clifton (nickc@cygnus.com) + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 2, or (at your + option) any later version. + + GCC is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with GCC; see the file COPYING. If not, write to + the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef GCC_ARM_H +#define GCC_ARM_H + +/* APPLE LOCAL begin ARM darwin target */ +/* Overridden by arm/darwin.h, whether it is included first or not. */ +#ifndef TARGET_MACHO +#define TARGET_MACHO 0 +#endif +/* APPLE LOCAL end ARM darwin target */ + +/* APPLE LOCAL begin 6150882 use thumb2 by default for v7 */ +/* thumb_option is initialized to -1, so we can tell whether the user + explicitly passed -mthumb or -mno-thumb. override_options will + set thumb_option = 1 if -mno-thumb was not seen. */ +#define TARGET_THUMB (thumb_option == 1) +/* APPLE LOCAL end 6150882 use thumb2 by default for v7 */ + +/* APPLE LOCAL ARM interworking */ +#define TARGET_INTERWORK (interwork_option == 1) + +/* The architecture define. */ +extern char arm_arch_name[]; + +/* Target CPU builtins. */ +#define TARGET_CPU_CPP_BUILTINS() \ + do \ + { \ + /* Define __arm__ even when in thumb mode, for \ + consistency with armcc. */ \ + builtin_define ("__arm__"); \ + builtin_define ("__APCS_32__"); \ + if (TARGET_THUMB) \ + builtin_define ("__thumb__"); \ +/* APPLE LOCAL begin v7 support. Merge from mainline */ \ + if (TARGET_THUMB2) \ + builtin_define ("__thumb2__"); \ +/* APPLE LOCAL end v7 support. Merge from mainline */ \ + \ + if (TARGET_BIG_END) \ + { \ + builtin_define ("__ARMEB__"); \ + if (TARGET_THUMB) \ + builtin_define ("__THUMBEB__"); \ + if (TARGET_LITTLE_WORDS) \ + builtin_define ("__ARMWEL__"); \ + } \ + else \ + { \ + builtin_define ("__ARMEL__"); \ + if (TARGET_THUMB) \ + builtin_define ("__THUMBEL__"); \ + } \ + \ + if (TARGET_SOFT_FLOAT) \ + builtin_define ("__SOFTFP__"); \ + \ + if (TARGET_VFP) \ + builtin_define ("__VFP_FP__"); \ + \ +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ \ + if (TARGET_NEON) \ + builtin_define ("__ARM_NEON__"); \ +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ \ + /* Add a define for interworking. \ + Needed when building libgcc.a. */ \ + if (arm_cpp_interwork) \ + builtin_define ("__THUMB_INTERWORK__"); \ + \ + builtin_assert ("cpu=arm"); \ + builtin_assert ("machine=arm"); \ + \ + builtin_define (arm_arch_name); \ + if (arm_arch_cirrus) \ + builtin_define ("__MAVERICK__"); \ + if (arm_arch_xscale) \ + builtin_define ("__XSCALE__"); \ + if (arm_arch_iwmmxt) \ + builtin_define ("__IWMMXT__"); \ + if (TARGET_AAPCS_BASED) \ + builtin_define ("__ARM_EABI__"); \ + } while (0) + +/* The various ARM cores. */ +enum processor_type +{ +#define ARM_CORE(NAME, IDENT, ARCH, FLAGS, COSTS) \ + IDENT, +#include "arm-cores.def" +#undef ARM_CORE + /* Used to indicate that no processor has been specified. */ + arm_none +}; + +enum target_cpus +{ +#define ARM_CORE(NAME, IDENT, ARCH, FLAGS, COSTS) \ + TARGET_CPU_##IDENT, +#include "arm-cores.def" +#undef ARM_CORE + TARGET_CPU_generic +}; + +/* The processor for which instructions should be scheduled. */ +extern enum processor_type arm_tune; + +typedef enum arm_cond_code +{ + ARM_EQ = 0, ARM_NE, ARM_CS, ARM_CC, ARM_MI, ARM_PL, ARM_VS, ARM_VC, + ARM_HI, ARM_LS, ARM_GE, ARM_LT, ARM_GT, ARM_LE, ARM_AL, ARM_NV +} +arm_cc; + +extern arm_cc arm_current_cc; + +#define ARM_INVERSE_CONDITION_CODE(X) ((arm_cc) (((int)X) ^ 1)) + +extern int arm_target_label; +extern int arm_ccfsm_state; +extern GTY(()) rtx arm_target_insn; +/* Define the information needed to generate branch insns. This is + stored from the compare operation. */ +extern GTY(()) rtx arm_compare_op0; +extern GTY(()) rtx arm_compare_op1; +/* The label of the current constant pool. */ +extern rtx pool_vector_label; +/* Set to 1 when a return insn is output, this means that the epilogue + is not needed. */ +extern int return_used_this_function; +/* Used to produce AOF syntax assembler. */ +extern GTY(()) rtx aof_pic_label; + +/* Just in case configure has failed to define anything. */ +#ifndef TARGET_CPU_DEFAULT +#define TARGET_CPU_DEFAULT TARGET_CPU_generic +#endif + + +#undef CPP_SPEC +#define CPP_SPEC "%(subtarget_cpp_spec) \ +%{msoft-float:%{mhard-float: \ + %e-msoft-float and -mhard_float may not be used together}} \ +%{mbig-endian:%{mlittle-endian: \ + %e-mbig-endian and -mlittle-endian may not be used together}}" + +#ifndef CC1_SPEC +#define CC1_SPEC "" +#endif + +/* This macro defines names of additional specifications to put in the specs + that can be used in various specifications like CC1_SPEC. Its definition + is an initializer with a subgrouping for each command option. + + Each subgrouping contains a string constant, that defines the + specification name, and a string constant that used by the GCC driver + program. + + Do not define this macro if it does not need to do anything. */ +#define EXTRA_SPECS \ + { "subtarget_cpp_spec", SUBTARGET_CPP_SPEC }, \ + SUBTARGET_EXTRA_SPECS + +#ifndef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS +#endif + +#ifndef SUBTARGET_CPP_SPEC +#define SUBTARGET_CPP_SPEC "" +#endif + +/* Run-time Target Specification. */ +#ifndef TARGET_VERSION +#define TARGET_VERSION fputs (" (ARM/generic)", stderr); +#endif + +#define TARGET_SOFT_FLOAT (arm_float_abi == ARM_FLOAT_ABI_SOFT) +/* Use hardware floating point instructions. */ +#define TARGET_HARD_FLOAT (arm_float_abi != ARM_FLOAT_ABI_SOFT) +/* Use hardware floating point calling convention. */ +#define TARGET_HARD_FLOAT_ABI (arm_float_abi == ARM_FLOAT_ABI_HARD) +#define TARGET_FPA (arm_fp_model == ARM_FP_MODEL_FPA) +#define TARGET_MAVERICK (arm_fp_model == ARM_FP_MODEL_MAVERICK) +#define TARGET_VFP (arm_fp_model == ARM_FP_MODEL_VFP) +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define TARGET_IWMMXT (arm_arch_iwmmxt) +#define TARGET_REALLY_IWMMXT (TARGET_IWMMXT && TARGET_32BIT) +#define TARGET_IWMMXT_ABI (TARGET_32BIT && arm_abi == ARM_ABI_IWMMXT) +/* APPLE LOCAL end v7 support. Merge from mainline */ +#define TARGET_ARM (! TARGET_THUMB) +#define TARGET_EITHER 1 /* (TARGET_ARM | TARGET_THUMB) */ +#define TARGET_BACKTRACE (leaf_function_p () \ + ? TARGET_TPCS_LEAF_FRAME \ + : TARGET_TPCS_FRAME) +#define TARGET_LDRD (arm_arch5e && ARM_DOUBLEWORD_ALIGN) +#define TARGET_AAPCS_BASED \ + (arm_abi != ARM_ABI_APCS && arm_abi != ARM_ABI_ATPCS) + +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* True if we should avoid generating conditional execution instructions. */ +#define TARGET_NO_COND_EXEC (arm_tune_marvell_f && !optimize_size) + +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +#define TARGET_HARD_TP (target_thread_pointer == TP_CP15) +#define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Only 16-bit thumb code. */ +#define TARGET_THUMB1 (TARGET_THUMB && !arm_arch_thumb2) +/* Arm or Thumb-2 32-bit code. */ +#define TARGET_32BIT (TARGET_ARM || arm_arch_thumb2) +/* 32-bit Thumb-2 code. */ +#define TARGET_THUMB2 (TARGET_THUMB && arm_arch_thumb2) +/* APPLE LOCAL end v7 support. Merge from mainline */ +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* Thumb-1 only. */ +#define TARGET_THUMB1_ONLY (TARGET_THUMB1 && !arm_arch_notm) + +/* The following two macros concern the ability to execute coprocessor + instructions for VFPv3 or NEON. TARGET_VFP3 is currently only ever + tested when we know we are generating for VFP hardware; we need to + be more careful with TARGET_NEON as noted below. */ + +/* FPU is VFPv3 (with twice the number of D registers). Setting the FPU to + Neon automatically enables VFPv3 too. */ +#define TARGET_VFP3 (arm_fp_model == ARM_FP_MODEL_VFP \ + && (arm_fpu_arch == FPUTYPE_VFP3 \ + || arm_fpu_arch == FPUTYPE_NEON)) +/* FPU supports Neon instructions. The setting of this macro gets + revealed via __ARM_NEON__ so we add extra guards upon TARGET_32BIT + and TARGET_HARD_FLOAT to ensure that NEON instructions are + available. */ +#define TARGET_NEON (TARGET_32BIT && TARGET_HARD_FLOAT \ + && arm_fp_model == ARM_FP_MODEL_VFP \ + && arm_fpu_arch == FPUTYPE_NEON) +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ + +/* "DSP" multiply instructions, eg. SMULxy. */ +#define TARGET_DSP_MULTIPLY \ + (TARGET_32BIT && arm_arch5e && arm_arch_notm) +/* Integer SIMD instructions, and extend-accumulate instructions. */ +#define TARGET_INT_SIMD \ + (TARGET_32BIT && arm_arch6 && arm_arch_notm) + +/* We could use unified syntax for arm mode, but for now we just use it + for Thumb-2. */ +#define TARGET_UNIFIED_ASM TARGET_THUMB2 + +/* APPLE LOCAL begin ARM compact switch tables */ +/* Use compact switch tables with libgcc handlers. */ +#define TARGET_COMPACT_SWITCH_TABLES \ + (TARGET_THUMB1 && !TARGET_LONG_CALLS) +/* APPLE LOCAL end ARM compact switch tables */ +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* True iff the full BPABI is being used. If TARGET_BPABI is true, + then TARGET_AAPCS_BASED must be true -- but the converse does not + hold. TARGET_BPABI implies the use of the BPABI runtime library, + etc., in addition to just the AAPCS calling conventions. */ +#ifndef TARGET_BPABI +#define TARGET_BPABI false +#endif + +/* Support for a compile-time default CPU, et cetera. The rules are: + --with-arch is ignored if -march or -mcpu are specified. + --with-cpu is ignored if -march or -mcpu are specified, and is overridden + by --with-arch. + --with-tune is ignored if -mtune or -mcpu are specified (but not affected + by -march). + --with-float is ignored if -mhard-float, -msoft-float or -mfloat-abi are + specified. + --with-fpu is ignored if -mfpu is specified. + --with-abi is ignored is -mabi is specified. */ +#define OPTION_DEFAULT_SPECS \ + {"arch", "%{!march=*:%{!mcpu=*:-march=%(VALUE)}}" }, \ + {"cpu", "%{!march=*:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ + {"tune", "%{!mcpu=*:%{!mtune=*:-mtune=%(VALUE)}}" }, \ + {"float", \ + "%{!msoft-float:%{!mhard-float:%{!mfloat-abi=*:-mfloat-abi=%(VALUE)}}}" }, \ + {"fpu", "%{!mfpu=*:-mfpu=%(VALUE)}"}, \ + {"abi", "%{!mabi=*:-mabi=%(VALUE)}"}, \ + {"mode", "%{!marm:%{!mthumb:-m%(VALUE)}}"}, + +/* Which floating point model to use. */ +enum arm_fp_model +{ + ARM_FP_MODEL_UNKNOWN, + /* FPA model (Hardware or software). */ + ARM_FP_MODEL_FPA, + /* Cirrus Maverick floating point model. */ + ARM_FP_MODEL_MAVERICK, + /* VFP floating point model. */ + ARM_FP_MODEL_VFP +}; + +extern enum arm_fp_model arm_fp_model; + +/* Which floating point hardware is available. Also update + fp_model_for_fpu in arm.c when adding entries to this list. */ +enum fputype +{ + /* No FP hardware. */ + FPUTYPE_NONE, + /* Full FPA support. */ + FPUTYPE_FPA, + /* Emulated FPA hardware, Issue 2 emulator (no LFM/SFM). */ + FPUTYPE_FPA_EMU2, + /* Emulated FPA hardware, Issue 3 emulator. */ + FPUTYPE_FPA_EMU3, + /* Cirrus Maverick floating point co-processor. */ + FPUTYPE_MAVERICK, + /* VFP. */ +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ + FPUTYPE_VFP, + /* VFPv3. */ + FPUTYPE_VFP3, + /* Neon. */ + FPUTYPE_NEON +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +}; + +/* Recast the floating point class to be the floating point attribute. */ +#define arm_fpu_attr ((enum attr_fpu) arm_fpu_tune) + +/* What type of floating point to tune for */ +extern enum fputype arm_fpu_tune; + +/* What type of floating point instructions are available */ +extern enum fputype arm_fpu_arch; + +enum float_abi_type +{ + ARM_FLOAT_ABI_SOFT, + ARM_FLOAT_ABI_SOFTFP, + ARM_FLOAT_ABI_HARD +}; + +extern enum float_abi_type arm_float_abi; + +#ifndef TARGET_DEFAULT_FLOAT_ABI +#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT +#endif + +/* Which ABI to use. */ +enum arm_abi_type +{ + ARM_ABI_APCS, + ARM_ABI_ATPCS, + ARM_ABI_AAPCS, + ARM_ABI_IWMMXT, + ARM_ABI_AAPCS_LINUX +}; + +extern enum arm_abi_type arm_abi; + +#ifndef ARM_DEFAULT_ABI +#define ARM_DEFAULT_ABI ARM_ABI_APCS +#endif + +/* Which thread pointer access sequence to use. */ +enum arm_tp_type { + TP_AUTO, + TP_SOFT, + TP_CP15 +}; + +extern enum arm_tp_type target_thread_pointer; + +/* Nonzero if this chip supports the ARM Architecture 3M extensions. */ +extern int arm_arch3m; + +/* Nonzero if this chip supports the ARM Architecture 4 extensions. */ +extern int arm_arch4; + +/* Nonzero if this chip supports the ARM Architecture 4T extensions. */ +extern int arm_arch4t; + +/* Nonzero if this chip supports the ARM Architecture 5 extensions. */ +extern int arm_arch5; + +/* Nonzero if this chip supports the ARM Architecture 5E extensions. */ +extern int arm_arch5e; + +/* Nonzero if this chip supports the ARM Architecture 6 extensions. */ +extern int arm_arch6; + +/* APPLE LOCAL begin 6258536 Atomic builtins */ +/* Nonzero if this chip supports the ARM Architecture 7a extensions. */ +extern int arm_arch7a; +/* APPLE LOCAL end 6258536 Atomic builtins */ + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Nonzero if instructions not present in the 'M' profile can be used. */ +extern int arm_arch_notm; + +/* APPLE LOCAL end v7 support. Merge from mainline */ +/* Nonzero if this chip can benefit from load scheduling. */ +extern int arm_ld_sched; + +/* Nonzero if generating thumb code. */ +extern int thumb_code; + +/* Nonzero if this chip is a StrongARM. */ +extern int arm_tune_strongarm; + +/* Nonzero if this chip is a Cirrus variant. */ +extern int arm_arch_cirrus; + +/* Nonzero if this chip supports Intel XScale with Wireless MMX technology. */ +extern int arm_arch_iwmmxt; + +/* Nonzero if this chip is an XScale. */ +extern int arm_arch_xscale; + +/* Nonzero if tuning for XScale. */ +extern int arm_tune_xscale; + +/* Nonzero if tuning for stores via the write buffer. */ +extern int arm_tune_wbuf; + +/* Nonzero if we should define __THUMB_INTERWORK__ in the + preprocessor. + XXX This is a bit of a hack, it's intended to help work around + problems in GLD which doesn't understand that armv5t code is + interworking clean. */ +extern int arm_cpp_interwork; + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Nonzero if chip supports Thumb 2. */ +extern int arm_arch_thumb2; + +/* Nonzero if chip supports integer division instruction. */ +extern int arm_arch_hwdiv; + +/* APPLE LOCAL end v7 support. Merge from mainline */ +#ifndef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_APCS_FRAME) +#endif + +/* The frame pointer register used in gcc has nothing to do with debugging; + that is controlled by the APCS-FRAME option. */ +#define CAN_DEBUG_WITHOUT_FP + +#define OVERRIDE_OPTIONS arm_override_options () + +/* Nonzero if PIC code requires explicit qualifiers to generate + PLT and GOT relocs rather than the assembler doing so implicitly. + Subtargets can override these if required. */ +#ifndef NEED_GOT_RELOC +#define NEED_GOT_RELOC 0 +#endif +#ifndef NEED_PLT_RELOC +#define NEED_PLT_RELOC 0 +#endif + +/* Nonzero if we need to refer to the GOT with a PC-relative + offset. In other words, generate + + .word _GLOBAL_OFFSET_TABLE_ - [. - (.Lxx + 8)] + + rather than + + .word _GLOBAL_OFFSET_TABLE_ - (.Lxx + 8) + + The default is true, which matches NetBSD. Subtargets can + override this if required. */ +#ifndef GOT_PCREL +#define GOT_PCREL 1 +#endif + +/* Target machine storage Layout. */ + + +/* Define this macro if it is advisable to hold scalars in registers + in a wider mode than that declared by the program. In such cases, + the value is constrained to be within the bounds of the declared + type, but kept valid in the wider mode. The signedness of the + extension may differ from that of the type. */ + +/* It is far faster to zero extend chars than to sign extend them */ + +#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \ + if (GET_MODE_CLASS (MODE) == MODE_INT \ + && GET_MODE_SIZE (MODE) < 4) \ + { \ + if (MODE == QImode) \ + UNSIGNEDP = 1; \ + else if (MODE == HImode) \ + UNSIGNEDP = 1; \ + (MODE) = SImode; \ + } + +#define PROMOTE_FUNCTION_MODE(MODE, UNSIGNEDP, TYPE) \ + if ((GET_MODE_CLASS (MODE) == MODE_INT \ + || GET_MODE_CLASS (MODE) == MODE_COMPLEX_INT) \ + && GET_MODE_SIZE (MODE) < 4) \ + (MODE) = SImode; \ + +/* Define this if most significant bit is lowest numbered + in instructions that operate on numbered bit-fields. */ +#define BITS_BIG_ENDIAN 0 + +/* Define this if most significant byte of a word is the lowest numbered. + Most ARM processors are run in little endian mode, so that is the default. + If you want to have it run-time selectable, change the definition in a + cover file to be TARGET_BIG_ENDIAN. */ +#define BYTES_BIG_ENDIAN (TARGET_BIG_END != 0) + +/* Define this if most significant word of a multiword number is the lowest + numbered. + This is always false, even when in big-endian mode. */ +#define WORDS_BIG_ENDIAN (BYTES_BIG_ENDIAN && ! TARGET_LITTLE_WORDS) + +/* LIBGCC2_WORDS_BIG_ENDIAN has to be a constant, so we define this based + on processor pre-defineds when compiling libgcc2.c. */ +#if defined(__ARMEB__) && !defined(__ARMWEL__) +#define LIBGCC2_WORDS_BIG_ENDIAN 1 +#else +#define LIBGCC2_WORDS_BIG_ENDIAN 0 +#endif + +/* Define this if most significant word of doubles is the lowest numbered. + The rules are different based on whether or not we use FPA-format, + VFP-format or some other floating point co-processor's format doubles. */ +#define FLOAT_WORDS_BIG_ENDIAN (arm_float_words_big_endian ()) + +#define UNITS_PER_WORD 4 + +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* Use the option -mvectorize-with-neon-quad to override the use of doubleword + registers when autovectorizing for Neon, at least until multiple vector + widths are supported properly by the middle-end. */ +#define UNITS_PER_SIMD_WORD \ + (TARGET_NEON ? (TARGET_NEON_VECTORIZE_QUAD ? 16 : 8) : UNITS_PER_WORD) + +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +/* True if natural alignment is used for doubleword types. */ +#define ARM_DOUBLEWORD_ALIGN TARGET_AAPCS_BASED + +#define DOUBLEWORD_ALIGNMENT 64 + +#define PARM_BOUNDARY 32 + +#define STACK_BOUNDARY (ARM_DOUBLEWORD_ALIGN ? DOUBLEWORD_ALIGNMENT : 32) + +#define PREFERRED_STACK_BOUNDARY \ + (arm_abi == ARM_ABI_ATPCS ? 64 : STACK_BOUNDARY) + +/* APPLE LOCAL begin ARM 6008578 */ +#define FUNCTION_BOUNDARY arm_function_boundary () +extern int arm_function_boundary (void); +/* APPLE LOCAL end ARM 6008578 */ + +/* The lowest bit is used to indicate Thumb-mode functions, so the + vbit must go into the delta field of pointers to member + functions. */ +#define TARGET_PTRMEMFUNC_VBIT_LOCATION ptrmemfunc_vbit_in_delta + +#define EMPTY_FIELD_BOUNDARY 32 + +#define BIGGEST_ALIGNMENT (ARM_DOUBLEWORD_ALIGN ? DOUBLEWORD_ALIGNMENT : 32) + +/* APPLE LOCAL begin 5946347 ms_struct support */ +#define TARGET_FIELD_MS_STRUCT_ALIGN(FIELD) arm_field_ms_struct_align (FIELD) +#define BIGGEST_MS_STRUCT_ALIGNMENT 128 +/* APPLE LOCAL end 5946347 ms_struct support */ + +/* XXX Blah -- this macro is used directly by libobjc. Since it + supports no vector modes, cut out the complexity and fall back + on BIGGEST_FIELD_ALIGNMENT. */ +#ifdef IN_TARGET_LIBS +#define BIGGEST_FIELD_ALIGNMENT 64 +#endif + +/* Make strings word-aligned so strcpy from constants will be faster. */ +#define CONSTANT_ALIGNMENT_FACTOR (TARGET_THUMB || ! arm_tune_xscale ? 1 : 2) + +#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ + ((TREE_CODE (EXP) == STRING_CST \ + && (ALIGN) < BITS_PER_WORD * CONSTANT_ALIGNMENT_FACTOR) \ + ? BITS_PER_WORD * CONSTANT_ALIGNMENT_FACTOR : (ALIGN)) + +/* Setting STRUCTURE_SIZE_BOUNDARY to 32 produces more efficient code, but the + value set in previous versions of this toolchain was 8, which produces more + compact structures. The command line option -mstructure_size_boundary=<n> + can be used to change this value. For compatibility with the ARM SDK + however the value should be left at 32. ARM SDT Reference Manual (ARM DUI + 0020D) page 2-20 says "Structures are aligned on word boundaries". + The AAPCS specifies a value of 8. */ +#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary +extern int arm_structure_size_boundary; + +/* This is the value used to initialize arm_structure_size_boundary. If a + particular arm target wants to change the default value it should change + the definition of this macro, not STRUCTURE_SIZE_BOUNDARY. See netbsd.h + for an example of this. */ +#ifndef DEFAULT_STRUCTURE_SIZE_BOUNDARY +#define DEFAULT_STRUCTURE_SIZE_BOUNDARY 32 +#endif + +/* Nonzero if move instructions will actually fail to work + when given unaligned data. */ +#define STRICT_ALIGNMENT 1 + +/* wchar_t is unsigned under the AAPCS. */ +#ifndef WCHAR_TYPE +#define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "int") + +#define WCHAR_TYPE_SIZE BITS_PER_WORD +#endif + +#ifndef SIZE_TYPE +#define SIZE_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long unsigned int") +#endif + +#ifndef PTRDIFF_TYPE +#define PTRDIFF_TYPE (TARGET_AAPCS_BASED ? "int" : "long int") +#endif + +/* AAPCS requires that structure alignment is affected by bitfields. */ +#ifndef PCC_BITFIELD_TYPE_MATTERS +#define PCC_BITFIELD_TYPE_MATTERS TARGET_AAPCS_BASED +#endif + + +/* Standard register usage. */ + +/* Register allocation in ARM Procedure Call Standard (as used on RISCiX): + (S - saved over call). + + r0 * argument word/integer result + r1-r3 argument word + + r4-r8 S register variable + r9 S (rfp) register variable (real frame pointer) + + r10 F S (sl) stack limit (used by -mapcs-stack-check) + r11 F S (fp) argument pointer + r12 (ip) temp workspace + r13 F S (sp) lower end of current stack frame + r14 (lr) link address/workspace + r15 F (pc) program counter + + f0 floating point result + f1-f3 floating point scratch + + f4-f7 S floating point variable + + cc This is NOT a real register, but is used internally + to represent things that use or set the condition + codes. + sfp This isn't either. It is used during rtl generation + since the offset between the frame pointer and the + auto's isn't known until after register allocation. + afp Nor this, we only need this because of non-local + goto. Without it fp appears to be used and the + elimination code won't get rid of sfp. It tracks + fp exactly at all times. + + *: See CONDITIONAL_REGISTER_USAGE */ + +/* + mvf0 Cirrus floating point result + mvf1-mvf3 Cirrus floating point scratch + mvf4-mvf15 S Cirrus floating point variable. */ + +/* s0-s15 VFP scratch (aka d0-d7). + s16-s31 S VFP variable (aka d8-d15). + vfpcc Not a real register. Represents the VFP condition + code flags. */ + +/* The stack backtrace structure is as follows: + fp points to here: | save code pointer | [fp] + | return link value | [fp, #-4] + | return sp value | [fp, #-8] + | return fp value | [fp, #-12] + [| saved r10 value |] + [| saved r9 value |] + [| saved r8 value |] + [| saved r7 value |] + [| saved r6 value |] + [| saved r5 value |] + [| saved r4 value |] + [| saved r3 value |] + [| saved r2 value |] + [| saved r1 value |] + [| saved r0 value |] + [| saved f7 value |] three words + [| saved f6 value |] three words + [| saved f5 value |] three words + [| saved f4 value |] three words + r0-r3 are not normally saved in a C function. */ + +/* 1 for registers that have pervasive standard uses + and are not available for the register allocator. */ +#define FIXED_REGISTERS \ +{ \ + 0,0,0,0,0,0,0,0, \ + 0,0,0,0,0,1,0,1, \ + 0,0,0,0,0,0,0,0, \ + 1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ +/* APPLE LOCAL begin v7 support. Merge from mainline */ \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ +/* APPLE LOCAL end v7 support. Merge from mainline */ \ + 1 \ +} + +/* 1 for registers not available across function calls. + These must include the FIXED_REGISTERS and also any + registers that can be used without being saved. + The latter must include the registers where values are returned + and the register where structure-value addresses are passed. + Aside from that, you can include as many other registers as you like. + The CC is not preserved over function calls on the ARM 6, so it is + easier to assume this for all. SFP is preserved, since FP is. */ +#define CALL_USED_REGISTERS \ +{ \ + 1,1,1,1,0,0,0,0, \ + 0,0,0,0,1,1,1,1, \ + 1,1,1,1,0,0,0,0, \ + 1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ +/* APPLE LOCAL begin v7 support. Merge from mainline */ \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ + 1,1,1,1,1,1,1,1, \ +/* APPLE LOCAL end v7 support. Merge from mainline */ \ + 1 \ +} + +#ifndef SUBTARGET_CONDITIONAL_REGISTER_USAGE +#define SUBTARGET_CONDITIONAL_REGISTER_USAGE +#endif + +#define CONDITIONAL_REGISTER_USAGE \ +{ \ + int regno; \ + \ + /* APPLE LOCAL v7 support. Merge from mainline */ \ + if (TARGET_SOFT_FLOAT || TARGET_THUMB1 || !TARGET_FPA) \ + { \ + for (regno = FIRST_FPA_REGNUM; \ + regno <= LAST_FPA_REGNUM; ++regno) \ + fixed_regs[regno] = call_used_regs[regno] = 1; \ + } \ + \ + if (TARGET_THUMB && optimize_size) \ + { \ + /* When optimizing for size, it's better not to use \ + the HI regs, because of the overhead of stacking \ + them. */ \ + /* APPLE LOCAL v7 support. Merge from mainline */ \ + /* ??? Is this still true for thumb2? */ \ + for (regno = FIRST_HI_REGNUM; \ + regno <= LAST_HI_REGNUM; ++regno) \ + fixed_regs[regno] = call_used_regs[regno] = 1; \ + } \ + \ + /* The link register can be clobbered by any branch insn, \ + but we have no way to track that at present, so mark \ + it as unavailable. */ \ + /* APPLE LOCAL v7 support. Merge from mainline */ \ + if (TARGET_THUMB1) \ + fixed_regs[LR_REGNUM] = call_used_regs[LR_REGNUM] = 1; \ + \ + /* APPLE LOCAL v7 support. Merge from mainline */ \ + if (TARGET_32BIT && TARGET_HARD_FLOAT) \ + { \ + if (TARGET_MAVERICK) \ + { \ + for (regno = FIRST_FPA_REGNUM; \ + regno <= LAST_FPA_REGNUM; ++ regno) \ + fixed_regs[regno] = call_used_regs[regno] = 1; \ + for (regno = FIRST_CIRRUS_FP_REGNUM; \ + regno <= LAST_CIRRUS_FP_REGNUM; ++ regno) \ + { \ + fixed_regs[regno] = 0; \ + call_used_regs[regno] = regno < FIRST_CIRRUS_FP_REGNUM + 4; \ + } \ + } \ + /* APPLE LOCAL begin v7 support. Merge from mainline */ \ + if (TARGET_VFP) \ + { \ + /* VFPv3 registers are disabled when earlier VFP \ + versions are selected due to the definition of \ + LAST_VFP_REGNUM. */ \ + for (regno = FIRST_VFP_REGNUM; \ + regno <= LAST_VFP_REGNUM; ++ regno) \ + { \ + fixed_regs[regno] = 0; \ + call_used_regs[regno] = regno < FIRST_VFP_REGNUM + 16 \ + || regno >= FIRST_VFP_REGNUM + 32; \ + } \ + } \ + /* APPLE LOCAL end v7 support. Merge from mainline */ \ + } \ + \ + if (TARGET_REALLY_IWMMXT) \ + { \ + regno = FIRST_IWMMXT_GR_REGNUM; \ + /* The 2002/10/09 revision of the XScale ABI has wCG0 \ + and wCG1 as call-preserved registers. The 2002/11/21 \ + revision changed this so that all wCG registers are \ + scratch registers. */ \ + for (regno = FIRST_IWMMXT_GR_REGNUM; \ + regno <= LAST_IWMMXT_GR_REGNUM; ++ regno) \ + fixed_regs[regno] = 0; \ + /* The XScale ABI has wR0 - wR9 as scratch registers, \ + the rest as call-preserved registers. */ \ + for (regno = FIRST_IWMMXT_REGNUM; \ + regno <= LAST_IWMMXT_REGNUM; ++ regno) \ + { \ + fixed_regs[regno] = 0; \ + call_used_regs[regno] = regno < FIRST_IWMMXT_REGNUM + 10; \ + } \ + } \ + \ + if ((unsigned) PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM) \ + { \ + fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \ + call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \ + } \ + else if (TARGET_APCS_STACK) \ + { \ + fixed_regs[10] = 1; \ + call_used_regs[10] = 1; \ + } \ + /* -mcaller-super-interworking reserves r11 for calls to \ + _interwork_r11_call_via_rN(). Making the register global \ + is an easy way of ensuring that it remains valid for all \ + calls. */ \ + if (TARGET_APCS_FRAME || TARGET_CALLER_INTERWORKING \ + || TARGET_TPCS_FRAME || TARGET_TPCS_LEAF_FRAME) \ + { \ + fixed_regs[ARM_HARD_FRAME_POINTER_REGNUM] = 1; \ + call_used_regs[ARM_HARD_FRAME_POINTER_REGNUM] = 1; \ + if (TARGET_CALLER_INTERWORKING) \ + global_regs[ARM_HARD_FRAME_POINTER_REGNUM] = 1; \ + } \ + SUBTARGET_CONDITIONAL_REGISTER_USAGE \ +} + +/* These are a couple of extensions to the formats accepted + by asm_fprintf: + %@ prints out ASM_COMMENT_START + %r prints out REGISTER_PREFIX reg_names[arg] */ +#define ASM_FPRINTF_EXTENSIONS(FILE, ARGS, P) \ + case '@': \ + fputs (ASM_COMMENT_START, FILE); \ + break; \ + \ + case 'r': \ + fputs (REGISTER_PREFIX, FILE); \ + fputs (reg_names [va_arg (ARGS, int)], FILE); \ + break; + +/* Round X up to the nearest word. */ +#define ROUND_UP_WORD(X) (((X) + 3) & ~3) + +/* Convert fron bytes to ints. */ +#define ARM_NUM_INTS(X) (((X) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) + +/* The number of (integer) registers required to hold a quantity of type MODE. + Also used for VFP registers. */ +#define ARM_NUM_REGS(MODE) \ + ARM_NUM_INTS (GET_MODE_SIZE (MODE)) + +/* The number of (integer) registers required to hold a quantity of TYPE MODE. */ +#define ARM_NUM_REGS2(MODE, TYPE) \ + ARM_NUM_INTS ((MODE) == BLKmode ? \ + int_size_in_bytes (TYPE) : GET_MODE_SIZE (MODE)) + +/* The number of (integer) argument register available. */ +#define NUM_ARG_REGS 4 + +/* Return the register number of the N'th (integer) argument. */ +#define ARG_REGISTER(N) (N - 1) + +/* Specify the registers used for certain standard purposes. + The values of these macros are register numbers. */ + +/* The number of the last argument register. */ +#define LAST_ARG_REGNUM ARG_REGISTER (NUM_ARG_REGS) + +/* The numbers of the Thumb register ranges. */ +#define FIRST_LO_REGNUM 0 +#define LAST_LO_REGNUM 7 +#define FIRST_HI_REGNUM 8 +#define LAST_HI_REGNUM 11 + +#ifndef TARGET_UNWIND_INFO +/* We use sjlj exceptions for backwards compatibility. */ +#define MUST_USE_SJLJ_EXCEPTIONS 1 +#endif + +/* We can generate DWARF2 Unwind info, even though we don't use it. */ +#define DWARF2_UNWIND_INFO 1 + +/* Use r0 and r1 to pass exception handling information. */ +#define EH_RETURN_DATA_REGNO(N) (((N) < 2) ? N : INVALID_REGNUM) + +/* The register that holds the return address in exception handlers. */ +#define ARM_EH_STACKADJ_REGNUM 2 +#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (SImode, ARM_EH_STACKADJ_REGNUM) + +/* The native (Norcroft) Pascal compiler for the ARM passes the static chain + as an invisible last argument (possible since varargs don't exist in + Pascal), so the following is not true. */ +/* APPLE LOCAL v7 support. Merge from mainline */ +#define STATIC_CHAIN_REGNUM 12 + +/* Define this to be where the real frame pointer is if it is not possible to + work out the offset between the frame pointer and the automatic variables + until after register allocation has taken place. FRAME_POINTER_REGNUM + should point to a special register that we will make sure is eliminated. + + For the Thumb we have another problem. The TPCS defines the frame pointer + as r11, and GCC believes that it is always possible to use the frame pointer + as base register for addressing purposes. (See comments in + find_reloads_address()). But - the Thumb does not allow high registers, + including r11, to be used as base address registers. Hence our problem. + + The solution used here, and in the old thumb port is to use r7 instead of + r11 as the hard frame pointer and to have special code to generate + backtrace structures on the stack (if required to do so via a command line + option) using r11. This is the only 'user visible' use of r11 as a frame + pointer. */ +/* APPLE LOCAL ARM custom frame layout */ +#define ARM_HARD_FRAME_POINTER_REGNUM 7 +#define THUMB_HARD_FRAME_POINTER_REGNUM 7 + +#define HARD_FRAME_POINTER_REGNUM \ + (TARGET_ARM \ + ? ARM_HARD_FRAME_POINTER_REGNUM \ + : THUMB_HARD_FRAME_POINTER_REGNUM) + +#define FP_REGNUM HARD_FRAME_POINTER_REGNUM + +/* Register to use for pushing function arguments. */ +#define STACK_POINTER_REGNUM SP_REGNUM + +/* ARM floating pointer registers. */ +#define FIRST_FPA_REGNUM 16 +#define LAST_FPA_REGNUM 23 +#define IS_FPA_REGNUM(REGNUM) \ + (((REGNUM) >= FIRST_FPA_REGNUM) && ((REGNUM) <= LAST_FPA_REGNUM)) + +#define FIRST_IWMMXT_GR_REGNUM 43 +#define LAST_IWMMXT_GR_REGNUM 46 +#define FIRST_IWMMXT_REGNUM 47 +#define LAST_IWMMXT_REGNUM 62 +#define IS_IWMMXT_REGNUM(REGNUM) \ + (((REGNUM) >= FIRST_IWMMXT_REGNUM) && ((REGNUM) <= LAST_IWMMXT_REGNUM)) +#define IS_IWMMXT_GR_REGNUM(REGNUM) \ + (((REGNUM) >= FIRST_IWMMXT_GR_REGNUM) && ((REGNUM) <= LAST_IWMMXT_GR_REGNUM)) + +/* Base register for access to local variables of the function. */ +#define FRAME_POINTER_REGNUM 25 + +/* Base register for access to arguments of the function. */ +#define ARG_POINTER_REGNUM 26 + +#define FIRST_CIRRUS_FP_REGNUM 27 +#define LAST_CIRRUS_FP_REGNUM 42 +#define IS_CIRRUS_REGNUM(REGNUM) \ + (((REGNUM) >= FIRST_CIRRUS_FP_REGNUM) && ((REGNUM) <= LAST_CIRRUS_FP_REGNUM)) + +#define FIRST_VFP_REGNUM 63 +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define D7_VFP_REGNUM 78 /* Registers 77 and 78 == VFP reg D7. */ +#define LAST_VFP_REGNUM \ + (TARGET_VFP3 ? LAST_HI_VFP_REGNUM : LAST_LO_VFP_REGNUM) + +#define IS_VFP_REGNUM(REGNUM) \ + (((REGNUM) >= FIRST_VFP_REGNUM) && ((REGNUM) <= LAST_VFP_REGNUM)) + +/* VFP registers are split into two types: those defined by VFP versions < 3 + have D registers overlaid on consecutive pairs of S registers. VFP version 3 + defines 16 new D registers (d16-d31) which, for simplicity and correctness + in various parts of the backend, we implement as "fake" single-precision + registers (which would be S32-S63, but cannot be used in that way). The + following macros define these ranges of registers. */ +#define LAST_LO_VFP_REGNUM 94 +#define FIRST_HI_VFP_REGNUM 95 +#define LAST_HI_VFP_REGNUM 126 + +/* APPLE LOCAL 6150859 begin use NEON instructions for SF math */ +/* For NEON, SFmode values are only valid in even registers. */ +#define VFP_REGNO_OK_FOR_SINGLE(REGNUM) \ + (((REGNUM) <= LAST_LO_VFP_REGNUM) \ + && (TARGET_NEON ? ((((REGNUM) - FIRST_VFP_REGNUM) & 1) == 0): 1)) +/* APPLE LOCAL 6150859 end use NEON instructions for SF math */ + +/* DFmode values are only valid in even register pairs. */ +#define VFP_REGNO_OK_FOR_DOUBLE(REGNUM) \ + ((((REGNUM) - FIRST_VFP_REGNUM) & 1) == 0) + +/* APPLE LOCAL end v7 support. Merge from mainline */ +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* Neon Quad values must start at a multiple of four registers. */ +#define NEON_REGNO_OK_FOR_QUAD(REGNUM) \ + ((((REGNUM) - FIRST_VFP_REGNUM) & 3) == 0) + +/* Neon structures of vectors must be in even register pairs and there + must be enough registers available. Because of various patterns + requiring quad registers, we require them to start at a multiple of + four. */ +#define NEON_REGNO_OK_FOR_NREGS(REGNUM, N) \ + ((((REGNUM) - FIRST_VFP_REGNUM) & 3) == 0 \ + && (LAST_VFP_REGNUM - (REGNUM) >= 2 * (N) - 1)) + +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +/* The number of hard registers is 16 ARM + 8 FPA + 1 CC + 1 SFP + 1 AFP. */ +/* + 16 Cirrus registers take us up to 43. */ +/* Intel Wireless MMX Technology registers add 16 + 4 more. */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* VFP (VFP3) adds 32 (64) + 1 more. */ +#define FIRST_PSEUDO_REGISTER 128 +/* APPLE LOCAL end v7 support. Merge from mainline */ + +#define DBX_REGISTER_NUMBER(REGNO) arm_dbx_register_number (REGNO) + +/* Value should be nonzero if functions must have frame pointers. + Zero means the frame pointer need not be set up (and parms may be accessed + via the stack pointer) in functions that seem suitable. + If we have to have a frame pointer we might as well make use of it. + APCS says that the frame pointer does not need to be pushed in leaf + functions, or simple tail call functions. */ + +#ifndef SUBTARGET_FRAME_POINTER_REQUIRED +#define SUBTARGET_FRAME_POINTER_REQUIRED 0 +#endif + +/* APPLE LOCAL begin ARM thumb requires FP */ +#define FRAME_POINTER_REQUIRED \ + (current_function_has_nonlocal_label \ + || SUBTARGET_FRAME_POINTER_REQUIRED \ + || current_function_calls_builtin_ret_addr \ + || current_function_calls_builtin_frame_addr \ + || ! flag_omit_frame_pointer \ + || (TARGET_THUMB && ! leaf_function_p ()) \ + || (TARGET_ARM && TARGET_APCS_FRAME && ! leaf_function_p ()) \ + || (TARGET_ARM && regs_ever_live [LR_REGNUM])) +/* APPLE LOCAL end ARM thumb requires FP */ + +/* Return number of consecutive hard regs needed starting at reg REGNO + to hold something of mode MODE. + This is ordinarily the length in words of a value of mode MODE + but can be less for certain modes in special long registers. + + On the ARM regs are UNITS_PER_WORD bits wide; FPA regs can hold any FP + mode. */ +#define HARD_REGNO_NREGS(REGNO, MODE) \ +/* APPLE LOCAL v7 support. Merge from mainline */ \ + ((TARGET_32BIT \ + && REGNO >= FIRST_FPA_REGNUM \ + && REGNO != FRAME_POINTER_REGNUM \ + && REGNO != ARG_POINTER_REGNUM) \ + && !IS_VFP_REGNUM (REGNO) \ + ? 1 : ARM_NUM_REGS (MODE)) + +/* Return true if REGNO is suitable for holding a quantity of type MODE. */ +#define HARD_REGNO_MODE_OK(REGNO, MODE) \ + arm_hard_regno_mode_ok ((REGNO), (MODE)) + +/* Value is 1 if it is a good idea to tie two pseudo registers + when one has mode MODE1 and one has mode MODE2. + If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, + for any hard reg, then this must be 0 for correct output. */ +#define MODES_TIEABLE_P(MODE1, MODE2) \ + (GET_MODE_CLASS (MODE1) == GET_MODE_CLASS (MODE2)) + +/* APPLE LOCAL begin 7083296 Build without warnings. */ +/* The VALID_IWMMXT_REG_MODE macro is used in vec-common.md as a predicate so + that it is referenced from the generated insn-opinit.c file, which does + not include arm-protos.h. Define a separate function to avoid warnings. */ +#define VALID_IWMMXT_REG_MODE(MODE) \ + (valid_iwmmxt_reg_mode (MODE)) +extern int valid_iwmmxt_reg_mode (int); +/* APPLE LOCAL end 7083296 Build without warnings. */ + +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* Modes valid for Neon D registers. */ +#define VALID_NEON_DREG_MODE(MODE) \ + ((MODE) == V2SImode || (MODE) == V4HImode || (MODE) == V8QImode \ + || (MODE) == V2SFmode || (MODE) == DImode) + +/* Modes valid for Neon Q registers. */ +#define VALID_NEON_QREG_MODE(MODE) \ + ((MODE) == V4SImode || (MODE) == V8HImode || (MODE) == V16QImode \ + || (MODE) == V4SFmode || (MODE) == V2DImode) + +/* Structure modes valid for Neon registers. */ +#define VALID_NEON_STRUCT_MODE(MODE) \ + ((MODE) == TImode || (MODE) == EImode || (MODE) == OImode \ + || (MODE) == CImode || (MODE) == XImode) + +/* The order in which register should be allocated. It is good to use ip + since no saving is required (though calls clobber it) and it never contains + function parameters. It is quite good to use lr since other calls may + clobber it anyway. Allocate r0 through r3 in reverse order since r3 is + least likely to contain a function parameter; in addition results are + returned in r0. + For VFP/VFPv3, allocate caller-saved registers first (D0-D7), then D16-D31, + then D8-D15. The reason for doing this is to attempt to reduce register + pressure when both single- and double-precision registers are used in a + function, but hopefully not force double-precision registers to be + callee-saved when it's not necessary. */ + +#define REG_ALLOC_ORDER \ +{ \ + 3, 2, 1, 0, 12, 14, 4, 5, \ + 6, 7, 8, 10, 9, 11, 13, 15, \ + 16, 17, 18, 19, 20, 21, 22, 23, \ + 27, 28, 29, 30, 31, 32, 33, 34, \ + 35, 36, 37, 38, 39, 40, 41, 42, \ + 43, 44, 45, 46, 47, 48, 49, 50, \ + 51, 52, 53, 54, 55, 56, 57, 58, \ + 59, 60, 61, 62, \ + 24, 25, 26, \ + 78, 77, 76, 75, 74, 73, 72, 71, \ + 70, 69, 68, 67, 66, 65, 64, 63, \ + 95, 96, 97, 98, 99, 100, 101, 102, \ + 103, 104, 105, 106, 107, 108, 109, 110, \ + 111, 112, 113, 114, 115, 116, 117, 118, \ + 119, 120, 121, 122, 123, 124, 125, 126, \ + 79, 80, 81, 82, 83, 84, 85, 86, \ + 87, 88, 89, 90, 91, 92, 93, 94, \ + 127 \ +} +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ + +/* APPLE LOCAL begin 5831562 add DIMODE_REG_ALLOC_ORDER */ +#define DIMODE_REG_ALLOC_ORDER \ +{ \ + 2, 3, 1, 0, 12, 14, 4, 5, \ + 6, 7, 8, 10, 9, 11, 13, 15, \ + 16, 17, 18, 19, 20, 21, 22, 23, \ + 27, 28, 29, 30, 31, 32, 33, 34, \ + 35, 36, 37, 38, 39, 40, 41, 42, \ + 43, 44, 45, 46, 47, 48, 49, 50, \ + 51, 52, 53, 54, 55, 56, 57, 58, \ + 59, 60, 61, 62, \ + 24, 25, 26, \ + 78, 77, 76, 75, 74, 73, 72, 71, \ + 70, 69, 68, 67, 66, 65, 64, 63, \ + 79, 80, 81, 82, 83, 84, 85, 86, \ + 87, 88, 89, 90, 91, 92, 93, 94, \ + 95 \ +} +/* APPLE LOCAL end 5831562 add DIMODE_REG_ALLOC_ORDER */ + +/* Interrupt functions can only use registers that have already been + saved by the prologue, even if they would normally be + call-clobbered. */ +#define HARD_REGNO_RENAME_OK(SRC, DST) \ + (! IS_INTERRUPT (cfun->machine->func_type) || \ + regs_ever_live[DST]) + +/* Register and constant classes. */ + +/* Register classes: used to be simple, just all ARM regs or all FPA regs + Now that the Thumb is involved it has become more complicated. */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +enum reg_class +{ + NO_REGS, + FPA_REGS, + CIRRUS_REGS, + VFP_D0_D7_REGS, + VFP_LO_REGS, + VFP_HI_REGS, + VFP_REGS, + IWMMXT_GR_REGS, + IWMMXT_REGS, + LO_REGS, + STACK_REG, + BASE_REGS, + HI_REGS, + CC_REG, + VFPCC_REG, + GENERAL_REGS, + ALL_REGS, + LIM_REG_CLASSES +}; + +#define N_REG_CLASSES (int) LIM_REG_CLASSES + +/* Give names of register classes as strings for dump file. */ +#define REG_CLASS_NAMES \ +{ \ + "NO_REGS", \ + "FPA_REGS", \ + "CIRRUS_REGS", \ + "VFP_D0_D7_REGS", \ + "VFP_LO_REGS", \ + "VFP_HI_REGS", \ + "VFP_REGS", \ + "IWMMXT_GR_REGS", \ + "IWMMXT_REGS", \ + "LO_REGS", \ + "STACK_REG", \ + "BASE_REGS", \ + "HI_REGS", \ + "CC_REG", \ + "VFPCC_REG", \ + "GENERAL_REGS", \ + "ALL_REGS", \ +} + +/* Define which registers fit in which classes. + This is an initializer for a vector of HARD_REG_SET + of length N_REG_CLASSES. */ +#define REG_CLASS_CONTENTS \ +{ \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \ + { 0x00FF0000, 0x00000000, 0x00000000, 0x00000000 }, /* FPA_REGS */ \ + { 0xF8000000, 0x000007FF, 0x00000000, 0x00000000 }, /* CIRRUS_REGS */ \ + { 0x00000000, 0x80000000, 0x00007FFF, 0x00000000 }, /* VFP_D0_D7_REGS */ \ + { 0x00000000, 0x80000000, 0x7FFFFFFF, 0x00000000 }, /* VFP_LO_REGS */ \ + { 0x00000000, 0x00000000, 0x80000000, 0x7FFFFFFF }, /* VFP_HI_REGS */ \ + { 0x00000000, 0x80000000, 0xFFFFFFFF, 0x7FFFFFFF }, /* VFP_REGS */ \ + { 0x00000000, 0x00007800, 0x00000000, 0x00000000 }, /* IWMMXT_GR_REGS */ \ + { 0x00000000, 0x7FFF8000, 0x00000000, 0x00000000 }, /* IWMMXT_REGS */ \ + { 0x000000FF, 0x00000000, 0x00000000, 0x00000000 }, /* LO_REGS */ \ + { 0x00002000, 0x00000000, 0x00000000, 0x00000000 }, /* STACK_REG */ \ + { 0x000020FF, 0x00000000, 0x00000000, 0x00000000 }, /* BASE_REGS */ \ + { 0x0000FF00, 0x00000000, 0x00000000, 0x00000000 }, /* HI_REGS */ \ + { 0x01000000, 0x00000000, 0x00000000, 0x00000000 }, /* CC_REG */ \ + { 0x00000000, 0x00000000, 0x00000000, 0x80000000 }, /* VFPCC_REG */ \ + { 0x0200FFFF, 0x00000000, 0x00000000, 0x00000000 }, /* GENERAL_REGS */ \ + { 0xFAFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x7FFFFFFF } /* ALL_REGS */ \ +} + +/* Any of the VFP register classes. */ +#define IS_VFP_CLASS(X) \ + ((X) == VFP_D0_D7_REGS || (X) == VFP_LO_REGS \ + || (X) == VFP_HI_REGS || (X) == VFP_REGS) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* The same information, inverted: + Return the class number of the smallest class containing + reg number REGNO. This could be a conditional expression + or could index an array. */ +#define REGNO_REG_CLASS(REGNO) arm_regno_class (REGNO) + +/* FPA registers can't do subreg as all values are reformatted to internal + precision. VFP registers may only be accessed in the mode they + were set. */ +#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ + (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \ + ? reg_classes_intersect_p (FPA_REGS, (CLASS)) \ + || reg_classes_intersect_p (VFP_REGS, (CLASS)) \ + : 0) + +/* We need to define this for LO_REGS on thumb. Otherwise we can end up + using r0-r4 for function arguments, r7 for the stack frame and don't + have enough left over to do doubleword arithmetic. */ +#define CLASS_LIKELY_SPILLED_P(CLASS) \ + ((TARGET_THUMB && (CLASS) == LO_REGS) \ + || (CLASS) == CC_REG) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* The class value for index registers, and the one for base regs. */ +#define INDEX_REG_CLASS (TARGET_THUMB1 ? LO_REGS : GENERAL_REGS) +#define BASE_REG_CLASS (TARGET_THUMB1 ? LO_REGS : GENERAL_REGS) + +/* For the Thumb the high registers cannot be used as base registers + when addressing quantities in QI or HI mode; if we don't know the + mode, then we must be conservative. */ +#define MODE_BASE_REG_CLASS(MODE) \ + (TARGET_32BIT ? GENERAL_REGS : \ + (((MODE) == SImode) ? BASE_REGS : LO_REGS)) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* For Thumb we can not support SP+reg addressing, so we return LO_REGS + instead of BASE_REGS. */ +#define MODE_BASE_REG_REG_CLASS(MODE) BASE_REG_CLASS + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* When SMALL_REGISTER_CLASSES is nonzero, the compiler allows + registers explicitly used in the rtl to be used as spill registers + but prevents the compiler from extending the lifetime of these + registers. */ +#define SMALL_REGISTER_CLASSES TARGET_THUMB1 + +/* Given an rtx X being reloaded into a reg required to be + in class CLASS, return the class of reg to actually use. + In general this is just CLASS, but for the Thumb core registers and + immediate constants we prefer a LO_REGS class or a subset. */ +#define PREFERRED_RELOAD_CLASS(X, CLASS) \ + (TARGET_ARM ? (CLASS) : \ + ((CLASS) == GENERAL_REGS || (CLASS) == HI_REGS \ + || (CLASS) == NO_REGS ? LO_REGS : (CLASS))) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Must leave BASE_REGS reloads alone */ +#define THUMB_SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \ + ((CLASS) != LO_REGS && (CLASS) != BASE_REGS \ + ? ((true_regnum (X) == -1 ? LO_REGS \ + : (true_regnum (X) + HARD_REGNO_NREGS (0, MODE) > 8) ? LO_REGS \ + : NO_REGS)) \ + : NO_REGS) + +#define THUMB_SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \ + ((CLASS) != LO_REGS && (CLASS) != BASE_REGS \ + ? ((true_regnum (X) == -1 ? LO_REGS \ + : (true_regnum (X) + HARD_REGNO_NREGS (0, MODE) > 8) ? LO_REGS \ + : NO_REGS)) \ + : NO_REGS) + +/* Return the register class of a scratch register needed to copy IN into + or out of a register in CLASS in MODE. If it can be done directly, + NO_REGS is returned. */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \ + /* Restrict which direct reloads are allowed for VFP/iWMMXt regs. */ \ + ((TARGET_VFP && TARGET_HARD_FLOAT \ + && IS_VFP_CLASS (CLASS)) \ + ? coproc_secondary_reload_class (MODE, X, FALSE) \ + : (TARGET_IWMMXT && (CLASS) == IWMMXT_REGS) \ + ? coproc_secondary_reload_class (MODE, X, TRUE) \ + : TARGET_32BIT \ + ? (((MODE) == HImode && ! arm_arch4 && true_regnum (X) == -1) \ + ? GENERAL_REGS : NO_REGS) \ + : THUMB_SECONDARY_OUTPUT_RELOAD_CLASS (CLASS, MODE, X)) + +/* If we need to load shorts byte-at-a-time, then we need a scratch. */ +#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \ + /* Restrict which direct reloads are allowed for VFP/iWMMXt regs. */ \ + ((TARGET_VFP && TARGET_HARD_FLOAT \ + && IS_VFP_CLASS (CLASS)) \ + ? coproc_secondary_reload_class (MODE, X, FALSE) : \ + (TARGET_IWMMXT && (CLASS) == IWMMXT_REGS) ? \ + coproc_secondary_reload_class (MODE, X, TRUE) : \ + /* Cannot load constants into Cirrus registers. */ \ + (TARGET_MAVERICK && TARGET_HARD_FLOAT \ + && (CLASS) == CIRRUS_REGS \ + && (CONSTANT_P (X) || GET_CODE (X) == SYMBOL_REF)) \ + ? GENERAL_REGS : \ + (TARGET_32BIT ? \ + (((CLASS) == IWMMXT_REGS || (CLASS) == IWMMXT_GR_REGS) \ + && CONSTANT_P (X)) \ + ? GENERAL_REGS : \ + (((MODE) == HImode && ! arm_arch4 \ + && (GET_CODE (X) == MEM \ + || ((GET_CODE (X) == REG || GET_CODE (X) == SUBREG) \ + && true_regnum (X) == -1))) \ + ? GENERAL_REGS : NO_REGS) \ + : THUMB_SECONDARY_INPUT_RELOAD_CLASS (CLASS, MODE, X))) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Try a machine-dependent way of reloading an illegitimate address + operand. If we find one, push the reload and jump to WIN. This + macro is used in only one place: `find_reloads_address' in reload.c. + + For the ARM, we wish to handle large displacements off a base + register by splitting the addend across a MOV and the mem insn. + This can cut the number of reloads needed. */ +#define ARM_LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND, WIN) \ + do \ + { \ + if (GET_CODE (X) == PLUS \ + && GET_CODE (XEXP (X, 0)) == REG \ + && REGNO (XEXP (X, 0)) < FIRST_PSEUDO_REGISTER \ + && REG_MODE_OK_FOR_BASE_P (XEXP (X, 0), MODE) \ + && GET_CODE (XEXP (X, 1)) == CONST_INT) \ + { \ + HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \ + HOST_WIDE_INT low, high; \ + \ + if (MODE == DImode || (MODE == DFmode && TARGET_SOFT_FLOAT)) \ + low = ((val & 0xf) ^ 0x8) - 0x8; \ + else if (TARGET_MAVERICK && TARGET_HARD_FLOAT) \ + /* Need to be careful, -256 is not a valid offset. */ \ + low = val >= 0 ? (val & 0xff) : -((-val) & 0xff); \ + else if (MODE == SImode \ + || (MODE == SFmode && TARGET_SOFT_FLOAT) \ + || ((MODE == HImode || MODE == QImode) && ! arm_arch4)) \ + /* Need to be careful, -4096 is not a valid offset. */ \ + low = val >= 0 ? (val & 0xfff) : -((-val) & 0xfff); \ + else if ((MODE == HImode || MODE == QImode) && arm_arch4) \ + /* Need to be careful, -256 is not a valid offset. */ \ + low = val >= 0 ? (val & 0xff) : -((-val) & 0xff); \ + else if (GET_MODE_CLASS (MODE) == MODE_FLOAT \ + && TARGET_HARD_FLOAT && TARGET_FPA) \ + /* Need to be careful, -1024 is not a valid offset. */ \ + low = val >= 0 ? (val & 0x3ff) : -((-val) & 0x3ff); \ + else \ + break; \ + \ + high = ((((val - low) & (unsigned HOST_WIDE_INT) 0xffffffff) \ + ^ (unsigned HOST_WIDE_INT) 0x80000000) \ + - (unsigned HOST_WIDE_INT) 0x80000000); \ + /* Check for overflow or zero */ \ + if (low == 0 || high == 0 || (high + low != val)) \ + break; \ + \ + /* Reload the high part into a base reg; leave the low part \ + in the mem. */ \ + X = gen_rtx_PLUS (GET_MODE (X), \ + gen_rtx_PLUS (GET_MODE (X), XEXP (X, 0), \ + GEN_INT (high)), \ + GEN_INT (low)); \ + push_reload (XEXP (X, 0), NULL_RTX, &XEXP (X, 0), NULL, \ + MODE_BASE_REG_CLASS (MODE), GET_MODE (X), \ + VOIDmode, 0, 0, OPNUM, TYPE); \ + goto WIN; \ + } \ + } \ + while (0) + +/* XXX If an HImode FP+large_offset address is converted to an HImode + SP+large_offset address, then reload won't know how to fix it. It sees + only that SP isn't valid for HImode, and so reloads the SP into an index + register, but the resulting address is still invalid because the offset + is too big. We fix it here instead by reloading the entire address. */ +/* We could probably achieve better results by defining PROMOTE_MODE to help + cope with the variances between the Thumb's signed and unsigned byte and + halfword load instructions. */ +/* APPLE LOCAL v7 support. Merge from mainline */ +/* ??? This should be safe for thumb2, but we may be able to do better. */ +#define THUMB_LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_L, WIN) \ +do { \ + rtx new_x = thumb_legitimize_reload_address (&X, MODE, OPNUM, TYPE, IND_L); \ + if (new_x) \ + { \ + X = new_x; \ + goto WIN; \ + } \ +} while (0) + +#define LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) \ + if (TARGET_ARM) \ + ARM_LEGITIMIZE_RELOAD_ADDRESS (X, MODE, OPNUM, TYPE, IND_LEVELS, WIN); \ + else \ + THUMB_LEGITIMIZE_RELOAD_ADDRESS (X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) + +/* Return the maximum number of consecutive registers + needed to represent mode MODE in a register of class CLASS. + ARM regs are UNITS_PER_WORD bits while FPA regs can hold any FP mode */ +#define CLASS_MAX_NREGS(CLASS, MODE) \ + (((CLASS) == FPA_REGS || (CLASS) == CIRRUS_REGS) ? 1 : ARM_NUM_REGS (MODE)) + +/* If defined, gives a class of registers that cannot be used as the + operand of a SUBREG that changes the mode of the object illegally. */ + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Moves between FPA_REGS and GENERAL_REGS are two memory insns. */ +#define REGISTER_MOVE_COST(MODE, FROM, TO) \ + (TARGET_32BIT ? \ + ((FROM) == FPA_REGS && (TO) != FPA_REGS ? 20 : \ + (FROM) != FPA_REGS && (TO) == FPA_REGS ? 20 : \ + IS_VFP_CLASS (FROM) && !IS_VFP_CLASS (TO) ? 10 : \ + !IS_VFP_CLASS (FROM) && IS_VFP_CLASS (TO) ? 10 : \ + (FROM) == IWMMXT_REGS && (TO) != IWMMXT_REGS ? 4 : \ + (FROM) != IWMMXT_REGS && (TO) == IWMMXT_REGS ? 4 : \ + (FROM) == IWMMXT_GR_REGS || (TO) == IWMMXT_GR_REGS ? 20 : \ + (FROM) == CIRRUS_REGS && (TO) != CIRRUS_REGS ? 20 : \ + (FROM) != CIRRUS_REGS && (TO) == CIRRUS_REGS ? 20 : \ + 2) \ + : \ + ((FROM) == HI_REGS || (TO) == HI_REGS) ? 4 : 2) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Stack layout; function entry, exit and calling. */ + +/* Define this if pushing a word on the stack + makes the stack pointer a smaller address. */ +#define STACK_GROWS_DOWNWARD 1 + +/* Define this to nonzero if the nominal address of the stack frame + is at the high-address end of the local variables; + that is, each additional local variable allocated + goes at a more negative offset in the frame. */ +#define FRAME_GROWS_DOWNWARD 1 + +/* The amount of scratch space needed by _interwork_{r7,r11}_call_via_rN(). + When present, it is one word in size, and sits at the top of the frame, + between the soft frame pointer and either r7 or r11. + + We only need _interwork_rM_call_via_rN() for -mcaller-super-interworking, + and only then if some outgoing arguments are passed on the stack. It would + be tempting to also check whether the stack arguments are passed by indirect + calls, but there seems to be no reason in principle why a post-reload pass + couldn't convert a direct call into an indirect one. */ +#define CALLER_INTERWORKING_SLOT_SIZE \ + (TARGET_CALLER_INTERWORKING \ + && current_function_outgoing_args_size != 0 \ + ? UNITS_PER_WORD : 0) + +/* Offset within stack frame to start allocating local variables at. + If FRAME_GROWS_DOWNWARD, this is the offset to the END of the + first local allocated. Otherwise, it is the offset to the BEGINNING + of the first local allocated. */ +#define STARTING_FRAME_OFFSET 0 + +/* If we generate an insn to push BYTES bytes, + this says how many the stack pointer really advances by. */ +/* The push insns do not do this rounding implicitly. + So don't define this. */ +/* #define PUSH_ROUNDING(NPUSHED) ROUND_UP_WORD (NPUSHED) */ + +/* Define this if the maximum size of all the outgoing args is to be + accumulated and pushed during the prologue. The amount can be + found in the variable current_function_outgoing_args_size. */ +#define ACCUMULATE_OUTGOING_ARGS 1 + +/* Offset of first parameter from the argument pointer register value. */ +#define FIRST_PARM_OFFSET(FNDECL) (TARGET_ARM ? 4 : 0) + +/* Value is the number of byte of arguments automatically + popped when returning from a subroutine call. + FUNDECL is the declaration node of the function (as a tree), + FUNTYPE is the data type of the function (as a tree), + or for a library call it is an identifier node for the subroutine name. + SIZE is the number of bytes of arguments passed on the stack. + + On the ARM, the caller does not pop any of its arguments that were passed + on the stack. */ +#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, SIZE) 0 + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Define how to find the value returned by a library function + assuming the value has mode MODE. */ +#define LIBCALL_VALUE(MODE) \ + (TARGET_32BIT && TARGET_HARD_FLOAT_ABI && TARGET_FPA \ + && GET_MODE_CLASS (MODE) == MODE_FLOAT \ + ? gen_rtx_REG (MODE, FIRST_FPA_REGNUM) \ + : TARGET_32BIT && TARGET_HARD_FLOAT_ABI && TARGET_MAVERICK \ + && GET_MODE_CLASS (MODE) == MODE_FLOAT \ + ? gen_rtx_REG (MODE, FIRST_CIRRUS_FP_REGNUM) \ + : TARGET_IWMMXT_ABI && arm_vector_mode_supported_p (MODE) \ + ? gen_rtx_REG (MODE, FIRST_IWMMXT_REGNUM) \ + : gen_rtx_REG (MODE, ARG_REGISTER (1))) + +/* Define how to find the value returned by a function. + VALTYPE is the data type of the value (as a tree). + If the precise function being called is known, FUNC is its FUNCTION_DECL; + otherwise, FUNC is 0. */ +#define FUNCTION_VALUE(VALTYPE, FUNC) \ + arm_function_value (VALTYPE, FUNC); + +/* 1 if N is a possible register number for a function value. + On the ARM, only r0 and f0 can return results. */ +/* On a Cirrus chip, mvf0 can return results. */ +#define FUNCTION_VALUE_REGNO_P(REGNO) \ + ((REGNO) == ARG_REGISTER (1) \ + || (TARGET_32BIT && ((REGNO) == FIRST_CIRRUS_FP_REGNUM) \ + && TARGET_HARD_FLOAT_ABI && TARGET_MAVERICK) \ + || ((REGNO) == FIRST_IWMMXT_REGNUM && TARGET_IWMMXT_ABI) \ + || (TARGET_32BIT && ((REGNO) == FIRST_FPA_REGNUM) \ + && TARGET_HARD_FLOAT_ABI && TARGET_FPA)) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Amount of memory needed for an untyped call to save all possible return + registers. */ +#define APPLY_RESULT_SIZE arm_apply_result_size() + +/* How large values are returned */ +/* A C expression which can inhibit the returning of certain function values + in registers, based on the type of value. */ +#define RETURN_IN_MEMORY(TYPE) arm_return_in_memory (TYPE) + +/* Define DEFAULT_PCC_STRUCT_RETURN to 1 if all structure and union return + values must be in memory. On the ARM, they need only do so if larger + than a word, or if they contain elements offset from zero in the struct. */ +#define DEFAULT_PCC_STRUCT_RETURN 0 + +/* Flags for the call/call_value rtl operations set up by function_arg. */ +#define CALL_NORMAL 0x00000000 /* No special processing. */ +#define CALL_LONG 0x00000001 /* Always call indirect. */ +#define CALL_SHORT 0x00000002 /* Never call indirect. */ + +/* These bits describe the different types of function supported + by the ARM backend. They are exclusive. i.e. a function cannot be both a + normal function and an interworked function, for example. Knowing the + type of a function is important for determining its prologue and + epilogue sequences. + Note value 7 is currently unassigned. Also note that the interrupt + function types all have bit 2 set, so that they can be tested for easily. + Note that 0 is deliberately chosen for ARM_FT_UNKNOWN so that when the + machine_function structure is initialized (to zero) func_type will + default to unknown. This will force the first use of arm_current_func_type + to call arm_compute_func_type. */ +#define ARM_FT_UNKNOWN 0 /* Type has not yet been determined. */ +#define ARM_FT_NORMAL 1 /* Your normal, straightforward function. */ +#define ARM_FT_INTERWORKED 2 /* A function that supports interworking. */ +#define ARM_FT_ISR 4 /* An interrupt service routine. */ +#define ARM_FT_FIQ 5 /* A fast interrupt service routine. */ +#define ARM_FT_EXCEPTION 6 /* An ARM exception handler (subcase of ISR). */ + +#define ARM_FT_TYPE_MASK ((1 << 3) - 1) + +/* In addition functions can have several type modifiers, + outlined by these bit masks: */ +#define ARM_FT_INTERRUPT (1 << 2) /* Note overlap with FT_ISR and above. */ +#define ARM_FT_NAKED (1 << 3) /* No prologue or epilogue. */ +#define ARM_FT_VOLATILE (1 << 4) /* Does not return. */ +#define ARM_FT_NESTED (1 << 5) /* Embedded inside another func. */ +/* APPLE LOCAL v7 support. Merge from mainline */ +#define ARM_FT_STACKALIGN (1 << 6) /* Called with misaligned stack. */ + +/* Some macros to test these flags. */ +#define ARM_FUNC_TYPE(t) (t & ARM_FT_TYPE_MASK) +#define IS_INTERRUPT(t) (t & ARM_FT_INTERRUPT) +#define IS_VOLATILE(t) (t & ARM_FT_VOLATILE) +#define IS_NAKED(t) (t & ARM_FT_NAKED) +#define IS_NESTED(t) (t & ARM_FT_NESTED) +/* APPLE LOCAL v7 support. Merge from mainline */ +#define IS_STACKALIGN(t) (t & ARM_FT_STACKALIGN) + + +/* Structure used to hold the function stack frame layout. Offsets are + relative to the stack pointer on function entry. Positive offsets are + in the direction of stack growth. + Only soft_frame is used in thumb mode. */ + +typedef struct arm_stack_offsets GTY(()) +{ + int saved_args; /* ARG_POINTER_REGNUM. */ + int frame; /* ARM_HARD_FRAME_POINTER_REGNUM. */ + int saved_regs; + int soft_frame; /* FRAME_POINTER_REGNUM. */ + int locals_base; /* THUMB_HARD_FRAME_POINTER_REGNUM. */ + int outgoing_args; /* STACK_POINTER_REGNUM. */ +} +arm_stack_offsets; + +/* A C structure for machine-specific, per-function data. + This is added to the cfun structure. */ +typedef struct machine_function GTY(()) +{ + /* Additional stack adjustment in __builtin_eh_throw. */ + rtx eh_epilogue_sp_ofs; + /* Records if LR has to be saved for far jumps. */ + int far_jump_used; + /* Records if ARG_POINTER was ever live. */ + int arg_pointer_live; + /* Records if the save of LR has been eliminated. */ + int lr_save_eliminated; + /* The size of the stack frame. Only valid after reload. */ + arm_stack_offsets stack_offsets; + /* Records the type of the current function. */ + unsigned long func_type; + /* Record if the function has a variable argument list. */ + int uses_anonymous_args; + /* Records if sibcalls are blocked because an argument + register is needed to preserve stack alignment. */ + int sibcall_blocked; + /* The PIC register for this function. This might be a pseudo. */ + rtx pic_reg; + /* Labels for per-function Thumb call-via stubs. One per potential calling + register. We can never call via LR or PC. We can call via SP if a + trampoline happens to be on the top of the stack. */ + rtx call_via[14]; +} +machine_function; + +/* As in the machine_function, a global set of call-via labels, for code + that is in text_section. */ +extern GTY(()) rtx thumb_call_via_label[14]; + +/* A C type for declaring a variable that is used as the first argument of + `FUNCTION_ARG' and other related values. For some target machines, the + type `int' suffices and can hold the number of bytes of argument so far. */ +typedef struct +{ + /* This is the number of registers of arguments scanned so far. */ + int nregs; + /* This is the number of iWMMXt register arguments scanned so far. */ + int iwmmxt_nregs; + int named_count; + int nargs; + /* One of CALL_NORMAL, CALL_LONG or CALL_SHORT. */ + int call_cookie; + int can_split; +} CUMULATIVE_ARGS; + +/* Define where to put the arguments to a function. + Value is zero to push the argument on the stack, + or a hard register in which to store the argument. + + MODE is the argument's machine mode. + TYPE is the data type of the argument (as a tree). + This is null for libcalls where that information may + not be available. + CUM is a variable of type CUMULATIVE_ARGS which gives info about + the preceding args and about the function being called. + NAMED is nonzero if this argument is a named parameter + (otherwise it is an extra parameter matching an ellipsis). + + On the ARM, normally the first 16 bytes are passed in registers r0-r3; all + other arguments are passed on the stack. If (NAMED == 0) (which happens + only in assign_parms, since TARGET_SETUP_INCOMING_VARARGS is + defined), say it is passed in the stack (function_prologue will + indeed make it pass in the stack if necessary). */ +#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ + arm_function_arg (&(CUM), (MODE), (TYPE), (NAMED)) + +#define FUNCTION_ARG_PADDING(MODE, TYPE) \ + (arm_pad_arg_upward (MODE, TYPE) ? upward : downward) + +#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \ + (arm_pad_reg_upward (MODE, TYPE, FIRST) ? upward : downward) + +/* For AAPCS, padding should never be below the argument. For other ABIs, + * mimic the default. */ +#define PAD_VARARGS_DOWN \ + ((TARGET_AAPCS_BASED) ? 0 : BYTES_BIG_ENDIAN) + +/* Initialize a variable CUM of type CUMULATIVE_ARGS + for a call to a function whose data type is FNTYPE. + For a library call, FNTYPE is 0. + On the ARM, the offset starts at 0. */ +#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \ + arm_init_cumulative_args (&(CUM), (FNTYPE), (LIBNAME), (FNDECL)) + +/* Update the data in CUM to advance over an argument + of mode MODE and data type TYPE. + (TYPE is null for libcalls where that information may not be available.) */ +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ + (CUM).nargs += 1; \ + if (arm_vector_mode_supported_p (MODE) \ + && (CUM).named_count > (CUM).nargs \ + && TARGET_IWMMXT_ABI) \ + (CUM).iwmmxt_nregs += 1; \ + else \ + (CUM).nregs += ARM_NUM_REGS2 (MODE, TYPE) +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ + +/* If defined, a C expression that gives the alignment boundary, in bits, of an + argument with the specified mode and type. If it is not defined, + `PARM_BOUNDARY' is used for all arguments. */ +#define FUNCTION_ARG_BOUNDARY(MODE,TYPE) \ + ((ARM_DOUBLEWORD_ALIGN && arm_needs_doubleword_align (MODE, TYPE)) \ + ? DOUBLEWORD_ALIGNMENT \ + : PARM_BOUNDARY ) + +/* 1 if N is a possible register number for function argument passing. + On the ARM, r0-r3 are used to pass args. */ +#define FUNCTION_ARG_REGNO_P(REGNO) \ + (IN_RANGE ((REGNO), 0, 3) \ + || (TARGET_IWMMXT_ABI \ + && IN_RANGE ((REGNO), FIRST_IWMMXT_REGNUM, FIRST_IWMMXT_REGNUM + 9))) + + +/* If your target environment doesn't prefix user functions with an + underscore, you may wish to re-define this to prevent any conflicts. + e.g. AOF may prefix mcount with an underscore. */ +#ifndef ARM_MCOUNT_NAME +#define ARM_MCOUNT_NAME "*mcount" +#endif + +/* Call the function profiler with a given profile label. The Acorn + compiler puts this BEFORE the prolog but gcc puts it afterwards. + On the ARM the full profile code will look like: + .data + LP1 + .word 0 + .text + mov ip, lr + bl mcount + .word LP1 + + profile_function() in final.c outputs the .data section, FUNCTION_PROFILER + will output the .text section. + + The ``mov ip,lr'' seems like a good idea to stick with cc convention. + ``prof'' doesn't seem to mind about this! + + Note - this version of the code is designed to work in both ARM and + Thumb modes. */ +#ifndef ARM_FUNCTION_PROFILER +#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \ +{ \ + char temp[20]; \ + rtx sym; \ + \ + asm_fprintf (STREAM, "\tmov\t%r, %r\n\tbl\t", \ + IP_REGNUM, LR_REGNUM); \ + assemble_name (STREAM, ARM_MCOUNT_NAME); \ + fputc ('\n', STREAM); \ + ASM_GENERATE_INTERNAL_LABEL (temp, "LP", LABELNO); \ + sym = gen_rtx_SYMBOL_REF (Pmode, temp); \ + assemble_aligned_integer (UNITS_PER_WORD, sym); \ +} +#endif + +#ifdef THUMB_FUNCTION_PROFILER +#define FUNCTION_PROFILER(STREAM, LABELNO) \ + if (TARGET_ARM) \ + ARM_FUNCTION_PROFILER (STREAM, LABELNO) \ + else \ + THUMB_FUNCTION_PROFILER (STREAM, LABELNO) +#else +#define FUNCTION_PROFILER(STREAM, LABELNO) \ + ARM_FUNCTION_PROFILER (STREAM, LABELNO) +#endif + +/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, + the stack pointer does not matter. The value is tested only in + functions that have frame pointers. + No definition is equivalent to always zero. + + On the ARM, the function epilogue recovers the stack pointer from the + frame. */ +#define EXIT_IGNORE_STACK 1 + +#define EPILOGUE_USES(REGNO) (reload_completed && (REGNO) == LR_REGNUM) + +/* Determine if the epilogue should be output as RTL. + You should override this if you define FUNCTION_EXTRA_EPILOGUE. */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* This is disabled for Thumb-2 because it will confuse the + conditional insn counter. */ +/* APPLE LOCAL end v7 support. Merge from mainline */ +#define USE_RETURN_INSN(ISCOND) \ + (TARGET_ARM ? use_return_insn (ISCOND, NULL) : 0) + +/* Definitions for register eliminations. + + This is an array of structures. Each structure initializes one pair + of eliminable registers. The "from" register number is given first, + followed by "to". Eliminations of the same "from" register are listed + in order of preference. + + We have two registers that can be eliminated on the ARM. First, the + arg pointer register can often be eliminated in favor of the stack + pointer register. Secondly, the pseudo frame pointer register can always + be eliminated; it is replaced with either the stack or the real frame + pointer. Note we have to use {ARM|THUMB}_HARD_FRAME_POINTER_REGNUM + because the definition of HARD_FRAME_POINTER_REGNUM is not a constant. */ + +/* APPLE LOCAL begin ARM custom frame layout */ +#define ELIMINABLE_REGS \ +{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM },\ + { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM },\ + { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM },\ + { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }} +/* APPLE LOCAL end ARM custom frame layout */ + +/* Given FROM and TO register numbers, say whether this elimination is + allowed. Frame pointer elimination is automatically handled. + + All eliminations are permissible. Note that ARG_POINTER_REGNUM and + HARD_FRAME_POINTER_REGNUM are in fact the same thing. If we need a frame + pointer, we must eliminate FRAME_POINTER_REGNUM into + HARD_FRAME_POINTER_REGNUM and not into STACK_POINTER_REGNUM or + ARG_POINTER_REGNUM. */ +#define CAN_ELIMINATE(FROM, TO) \ + (((TO) == FRAME_POINTER_REGNUM && (FROM) == ARG_POINTER_REGNUM) ? 0 : \ + /* APPLE LOCAL begin ARM prefer SP to FP */ \ + ((TO) == STACK_POINTER_REGNUM \ + && !current_function_sp_is_unchanging) ? 0 : \ + /* APPLE LOCAL end ARM prefer SP to FP */ \ + /* APPLE LOCAL ARM custom frame layout */ \ + /* Removed lines. */ \ + 1) + +/* Define the offset between two registers, one to be eliminated, and the + other its replacement, at the start of a routine. */ +#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ + if (TARGET_ARM) \ + (OFFSET) = arm_compute_initial_elimination_offset (FROM, TO); \ + else \ + (OFFSET) = thumb_compute_initial_elimination_offset (FROM, TO) + +/* Special case handling of the location of arguments passed on the stack. */ +/* APPLE LOCAL ARM prefer SP to FP */ +#define DEBUGGER_ARG_OFFSET(value, addr) arm_debugger_arg_offset (value, addr) + +/* Initialize data used by insn expanders. This is called from insn_emit, + once for every function before code is generated. */ +#define INIT_EXPANDERS arm_init_expanders () + +/* Output assembler code for a block containing the constant parts + of a trampoline, leaving space for the variable parts. + + On the ARM, (if r8 is the static chain regnum, and remembering that + referencing pc adds an offset of 8) the trampoline looks like: + ldr r8, [pc, #0] + ldr pc, [pc] + .word static chain value + .word function's address + XXX FIXME: When the trampoline returns, r8 will be clobbered. */ +#define ARM_TRAMPOLINE_TEMPLATE(FILE) \ +{ \ + asm_fprintf (FILE, "\tldr\t%r, [%r, #0]\n", \ + STATIC_CHAIN_REGNUM, PC_REGNUM); \ + asm_fprintf (FILE, "\tldr\t%r, [%r, #0]\n", \ + PC_REGNUM, PC_REGNUM); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ +} + +/* APPLE LOCAL begin ARM MACH assembler */ +#define DOT_WORD ".word" +/* APPLE LOCAL end ARM MACH assembler */ + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* The Thumb-2 trampoline is similar to the arm implementation. + Unlike 16-bit Thumb, we enter the stub in thumb mode. */ +#define THUMB2_TRAMPOLINE_TEMPLATE(FILE) \ +{ \ + asm_fprintf (FILE, "\tldr.w\t%r, [%r, #4]\n", \ + STATIC_CHAIN_REGNUM, PC_REGNUM); \ + asm_fprintf (FILE, "\tldr.w\t%r, [%r, #4]\n", \ + PC_REGNUM, PC_REGNUM); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ +} + +#define THUMB1_TRAMPOLINE_TEMPLATE(FILE) \ +{ \ + ASM_OUTPUT_ALIGN(FILE, 2); \ + fprintf (FILE, "\t.code\t16\n"); \ + fprintf (FILE, ".Ltrampoline_start:\n"); \ + asm_fprintf (FILE, "\tpush\t{r0, r1}\n"); \ + asm_fprintf (FILE, "\tldr\tr0, [%r, #8]\n", \ + PC_REGNUM); \ + asm_fprintf (FILE, "\tmov\t%r, r0\n", \ + STATIC_CHAIN_REGNUM); \ + asm_fprintf (FILE, "\tldr\tr0, [%r, #8]\n", \ + PC_REGNUM); \ + asm_fprintf (FILE, "\tstr\tr0, [%r, #4]\n", \ + SP_REGNUM); \ + asm_fprintf (FILE, "\tpop\t{r0, %r}\n", \ + PC_REGNUM); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ + assemble_aligned_integer (UNITS_PER_WORD, const0_rtx); \ +} + +#define TRAMPOLINE_TEMPLATE(FILE) \ + if (TARGET_ARM) \ + ARM_TRAMPOLINE_TEMPLATE (FILE) \ + else if (TARGET_THUMB2) \ + THUMB2_TRAMPOLINE_TEMPLATE (FILE) \ + else \ + THUMB1_TRAMPOLINE_TEMPLATE (FILE) + +/* Thumb trampolines should be entered in thumb mode, so set the bottom bit + of the address. */ +#define TRAMPOLINE_ADJUST_ADDRESS(ADDR) do \ +{ \ + if (TARGET_THUMB) \ + (ADDR) = expand_simple_binop (Pmode, IOR, (ADDR), GEN_INT(1), \ + gen_reg_rtx (Pmode), 0, OPTAB_LIB_WIDEN); \ +} while(0) + + +/* APPLE LOCAL end v7 support. Merge from mainline */ +/* Length in units of the trampoline for entering a nested function. */ +/* APPLE LOCAL v7 support. Merge from Codesourcery */ +#define TRAMPOLINE_SIZE (TARGET_32BIT ? 16 : 20) + +/* Alignment required for a trampoline in bits. */ +#define TRAMPOLINE_ALIGNMENT 32 + + +/* Emit RTL insns to initialize the variable parts of a trampoline. + FNADDR is an RTX for the address of the function's pure code. + CXT is an RTX for the static chain value for the function. */ +#ifndef INITIALIZE_TRAMPOLINE +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ +{ \ + emit_move_insn (gen_rtx_MEM (SImode, \ + plus_constant (TRAMP, \ + TARGET_32BIT ? 8 : 12)), \ + CXT); \ + emit_move_insn (gen_rtx_MEM (SImode, \ + plus_constant (TRAMP, \ + TARGET_32BIT ? 12 : 16)), \ + FNADDR); \ + emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"), \ + 0, VOIDmode, 2, TRAMP, Pmode, \ + plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode); \ +} +/* APPLE LOCAL end v7 support. Merge from mainline */ +#endif + + +/* Addressing modes, and classification of registers for them. */ +#define HAVE_POST_INCREMENT 1 +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define HAVE_PRE_INCREMENT TARGET_32BIT +#define HAVE_POST_DECREMENT TARGET_32BIT +#define HAVE_PRE_DECREMENT TARGET_32BIT +#define HAVE_PRE_MODIFY_DISP TARGET_32BIT +#define HAVE_POST_MODIFY_DISP TARGET_32BIT +#define HAVE_PRE_MODIFY_REG TARGET_32BIT +#define HAVE_POST_MODIFY_REG TARGET_32BIT +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Macros to check register numbers against specific register classes. */ + +/* These assume that REGNO is a hard or pseudo reg number. + They give nonzero only if REGNO is a hard reg of the suitable class + or a pseudo reg currently allocated to a suitable hard reg. + Since they use reg_renumber, they are safe only once reg_renumber + has been allocated, which happens in local-alloc.c. */ +#define TEST_REGNO(R, TEST, VALUE) \ + ((R TEST VALUE) || ((unsigned) reg_renumber[R] TEST VALUE)) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Don't allow the pc to be used. */ +#define ARM_REGNO_OK_FOR_BASE_P(REGNO) \ + (TEST_REGNO (REGNO, <, PC_REGNUM) \ + || TEST_REGNO (REGNO, ==, FRAME_POINTER_REGNUM) \ + || TEST_REGNO (REGNO, ==, ARG_POINTER_REGNUM)) + +#define THUMB1_REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) \ + (TEST_REGNO (REGNO, <=, LAST_LO_REGNUM) \ + || (GET_MODE_SIZE (MODE) >= 4 \ + && TEST_REGNO (REGNO, ==, STACK_POINTER_REGNUM))) + +#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) \ + (TARGET_THUMB1 \ + ? THUMB1_REGNO_MODE_OK_FOR_BASE_P (REGNO, MODE) \ + : ARM_REGNO_OK_FOR_BASE_P (REGNO)) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Nonzero if X can be the base register in a reg+reg addressing mode. + For Thumb, we can not use SP + reg, so reject SP. */ +#define REGNO_MODE_OK_FOR_REG_BASE_P(X, MODE) \ + REGNO_OK_FOR_INDEX_P (X) + +/* For ARM code, we don't care about the mode, but for Thumb, the index + must be suitable for use in a QImode load. */ +#define REGNO_OK_FOR_INDEX_P(REGNO) \ + REGNO_MODE_OK_FOR_BASE_P (REGNO, QImode) + +/* Maximum number of registers that can appear in a valid memory address. + Shifts in addresses can't be by a register. */ +#define MAX_REGS_PER_ADDRESS 2 + +/* Recognize any constant value that is a valid address. */ +/* XXX We can address any constant, eventually... */ + +#ifdef AOF_ASSEMBLER + +#define CONSTANT_ADDRESS_P(X) \ + (GET_CODE (X) == SYMBOL_REF && CONSTANT_POOL_ADDRESS_P (X)) + +#else + +/* APPLE LOCAL v7 support. Merge from mainline */ +/* ??? Should the TARGET_ARM here also apply to thumb2? */ +#define CONSTANT_ADDRESS_P(X) \ + (GET_CODE (X) == SYMBOL_REF \ + && (CONSTANT_POOL_ADDRESS_P (X) \ + || (TARGET_ARM && optimize > 0 && SYMBOL_REF_FLAG (X)))) + +#endif /* AOF_ASSEMBLER */ + +/* Nonzero if the constant value X is a legitimate general operand. + It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. + + On the ARM, allow any integer (invalid ones are removed later by insn + patterns), nice doubles and symbol_refs which refer to the function's + constant pool XXX. + + When generating pic allow anything. */ +#define ARM_LEGITIMATE_CONSTANT_P(X) (flag_pic || ! label_mentioned_p (X)) + +#define THUMB_LEGITIMATE_CONSTANT_P(X) \ + ( GET_CODE (X) == CONST_INT \ + || GET_CODE (X) == CONST_DOUBLE \ + || CONSTANT_ADDRESS_P (X) \ + || flag_pic) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define LEGITIMATE_CONSTANT_P(X) \ + (!arm_tls_referenced_p (X) \ + && (TARGET_32BIT ? ARM_LEGITIMATE_CONSTANT_P (X) \ + : THUMB_LEGITIMATE_CONSTANT_P (X))) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* APPLE LOCAL begin ARM longcall */ +#define SYMBOL_SHORT_CALL ((SYMBOL_FLAG_MACH_DEP) << 3) +#define SYMBOL_LONG_CALL ((SYMBOL_FLAG_MACH_DEP) << 4) + +/* Special characters prefixed to function names + in order to encode attribute like information. + Note, '@' and '*' have already been taken. */ +#define SHORT_CALL_FLAG_CHAR '^' +#define LONG_CALL_FLAG_CHAR '#' + +#define SYMBOL_SHORT_CALL_ATTR_P(SYMBOL) \ + (SYMBOL_REF_FLAGS (SYMBOL) & SYMBOL_SHORT_CALL) + +#define SYMBOL_LONG_CALL_ATTR_P(SYMBOL) \ + (SYMBOL_REF_FLAGS (SYMBOL) & SYMBOL_LONG_CALL) + +#ifndef SUBTARGET_NAME_ENCODING_LENGTHS +#define SUBTARGET_NAME_ENCODING_LENGTHS +#endif + +/* This is a C fragment for the inside of a switch statement. + Each case label should return the number of characters to + be stripped from the start of a function's name, if that + name starts with the indicated character. */ +#define ARM_NAME_ENCODING_LENGTHS \ + case '*': return 1; \ + SUBTARGET_NAME_ENCODING_LENGTHS +/* APPLE LOCAL end ARM longcall */ + +/* This is how to output a reference to a user-level label named NAME. + `assemble_name' uses this. */ +#undef ASM_OUTPUT_LABELREF +#define ASM_OUTPUT_LABELREF(FILE, NAME) \ + arm_asm_output_labelref (FILE, NAME) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Output IT instructions for conditonally executed Thumb-2 instructions. */ +#define ASM_OUTPUT_OPCODE(STREAM, PTR) \ + if (TARGET_THUMB2) \ + thumb2_asm_output_opcode (STREAM); + +/* APPLE LOCAL end v7 support. Merge from mainline */ +/* The EABI specifies that constructors should go in .init_array. + Other targets use .ctors for compatibility. */ +#ifndef ARM_EABI_CTORS_SECTION_OP +#define ARM_EABI_CTORS_SECTION_OP \ + "\t.section\t.init_array,\"aw\",%init_array" +#endif +#ifndef ARM_EABI_DTORS_SECTION_OP +#define ARM_EABI_DTORS_SECTION_OP \ + "\t.section\t.fini_array,\"aw\",%fini_array" +#endif +#define ARM_CTORS_SECTION_OP \ + "\t.section\t.ctors,\"aw\",%progbits" +#define ARM_DTORS_SECTION_OP \ + "\t.section\t.dtors,\"aw\",%progbits" + +/* Define CTORS_SECTION_ASM_OP. */ +#undef CTORS_SECTION_ASM_OP +#undef DTORS_SECTION_ASM_OP +#ifndef IN_LIBGCC2 +# define CTORS_SECTION_ASM_OP \ + (TARGET_AAPCS_BASED ? ARM_EABI_CTORS_SECTION_OP : ARM_CTORS_SECTION_OP) +# define DTORS_SECTION_ASM_OP \ + (TARGET_AAPCS_BASED ? ARM_EABI_DTORS_SECTION_OP : ARM_DTORS_SECTION_OP) +#else /* !defined (IN_LIBGCC2) */ +/* In libgcc, CTORS_SECTION_ASM_OP must be a compile-time constant, + so we cannot use the definition above. */ +# ifdef __ARM_EABI__ +/* The .ctors section is not part of the EABI, so we do not define + CTORS_SECTION_ASM_OP when in libgcc; that prevents crtstuff + from trying to use it. We do define it when doing normal + compilation, as .init_array can be used instead of .ctors. */ +/* There is no need to emit begin or end markers when using + init_array; the dynamic linker will compute the size of the + array itself based on special symbols created by the static + linker. However, we do need to arrange to set up + exception-handling here. */ +# define CTOR_LIST_BEGIN asm (ARM_EABI_CTORS_SECTION_OP) +# define CTOR_LIST_END /* empty */ +# define DTOR_LIST_BEGIN asm (ARM_EABI_DTORS_SECTION_OP) +# define DTOR_LIST_END /* empty */ +# else /* !defined (__ARM_EABI__) */ +# define CTORS_SECTION_ASM_OP ARM_CTORS_SECTION_OP +# define DTORS_SECTION_ASM_OP ARM_DTORS_SECTION_OP +# endif /* !defined (__ARM_EABI__) */ +#endif /* !defined (IN_LIBCC2) */ + +/* True if the operating system can merge entities with vague linkage + (e.g., symbols in COMDAT group) during dynamic linking. */ +#ifndef TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P +#define TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P true +#endif + +/* Set the short-call flag for any function compiled in the current + compilation unit. We skip this for functions with the section + attribute when long-calls are in effect as this tells the compiler + that the section might be placed a long way from the caller. + See arm_is_longcall_p() for more information. */ +/* APPLE LOCAL begin ARM longcall */ +#define ARM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \ + if (!TARGET_LONG_CALLS || ! DECL_SECTION_NAME (DECL)) \ + arm_encode_call_attribute (DECL, SYMBOL_SHORT_CALL) +/* APPLE LOCAL end ARM longcall */ + +#define ARM_OUTPUT_FN_UNWIND(F, PROLOGUE) arm_output_fn_unwind (F, PROLOGUE) + +#ifdef TARGET_UNWIND_INFO +#define ARM_EABI_UNWIND_TABLES \ + ((!USING_SJLJ_EXCEPTIONS && flag_exceptions) || flag_unwind_tables) +#else +#define ARM_EABI_UNWIND_TABLES 0 +#endif + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx + and check its validity for a certain class. + We have two alternate definitions for each of them. + The usual definition accepts all pseudo regs; the other rejects + them unless they have been allocated suitable hard regs. + The symbol REG_OK_STRICT causes the latter definition to be used. + Thumb-2 has the same restictions as arm. */ +/* APPLE LOCAL end v7 support. Merge from mainline */ +#ifndef REG_OK_STRICT + +#define ARM_REG_OK_FOR_BASE_P(X) \ + (REGNO (X) <= LAST_ARM_REGNUM \ + || REGNO (X) >= FIRST_PSEUDO_REGISTER \ + || REGNO (X) == FRAME_POINTER_REGNUM \ + || REGNO (X) == ARG_POINTER_REGNUM) + +/* APPLE LOCAL v7 support. Merge from mainline */ +#define THUMB1_REG_MODE_OK_FOR_BASE_P(X, MODE) \ + (REGNO (X) <= LAST_LO_REGNUM \ + || REGNO (X) >= FIRST_PSEUDO_REGISTER \ + || (GET_MODE_SIZE (MODE) >= 4 \ + && (REGNO (X) == STACK_POINTER_REGNUM \ + || (X) == hard_frame_pointer_rtx \ + || (X) == arg_pointer_rtx))) + +#define REG_STRICT_P 0 + +#else /* REG_OK_STRICT */ + +#define ARM_REG_OK_FOR_BASE_P(X) \ + ARM_REGNO_OK_FOR_BASE_P (REGNO (X)) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define THUMB1_REG_MODE_OK_FOR_BASE_P(X, MODE) \ + THUMB1_REGNO_MODE_OK_FOR_BASE_P (REGNO (X), MODE) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +#define REG_STRICT_P 1 + +#endif /* REG_OK_STRICT */ + +/* Now define some helpers in terms of the above. */ + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define REG_MODE_OK_FOR_BASE_P(X, MODE) \ + (TARGET_THUMB1 \ + ? THUMB1_REG_MODE_OK_FOR_BASE_P (X, MODE) \ + : ARM_REG_OK_FOR_BASE_P (X)) + +#define ARM_REG_OK_FOR_INDEX_P(X) ARM_REG_OK_FOR_BASE_P (X) + +/* For 16-bit Thumb, a valid index register is anything that can be used in + a byte load instruction. */ +#define THUMB1_REG_OK_FOR_INDEX_P(X) \ + THUMB1_REG_MODE_OK_FOR_BASE_P (X, QImode) + +/* Nonzero if X is a hard reg that can be used as an index + or if it is a pseudo reg. On the Thumb, the stack pointer + is not suitable. */ +#define REG_OK_FOR_INDEX_P(X) \ + (TARGET_THUMB1 \ + ? THUMB1_REG_OK_FOR_INDEX_P (X) \ + : ARM_REG_OK_FOR_INDEX_P (X)) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Nonzero if X can be the base register in a reg+reg addressing mode. + For Thumb, we can not use SP + reg, so reject SP. */ +#define REG_MODE_OK_FOR_REG_BASE_P(X, MODE) \ + REG_OK_FOR_INDEX_P (X) + +/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression + that is a valid memory address for an instruction. + The MODE argument is the machine mode for the MEM expression + that wants to use this address. */ + +#define ARM_BASE_REGISTER_RTX_P(X) \ + (GET_CODE (X) == REG && ARM_REG_OK_FOR_BASE_P (X)) + +#define ARM_INDEX_REGISTER_RTX_P(X) \ + (GET_CODE (X) == REG && ARM_REG_OK_FOR_INDEX_P (X)) + +#define ARM_GO_IF_LEGITIMATE_ADDRESS(MODE,X,WIN) \ + { \ + if (arm_legitimate_address_p (MODE, X, SET, REG_STRICT_P)) \ + goto WIN; \ + } + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define THUMB2_GO_IF_LEGITIMATE_ADDRESS(MODE,X,WIN) \ + { \ + if (thumb2_legitimate_address_p (MODE, X, REG_STRICT_P)) \ + goto WIN; \ + } + +#define THUMB1_GO_IF_LEGITIMATE_ADDRESS(MODE,X,WIN) \ + { \ + if (thumb1_legitimate_address_p (MODE, X, REG_STRICT_P)) \ + goto WIN; \ + } + +#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, WIN) \ + if (TARGET_ARM) \ + ARM_GO_IF_LEGITIMATE_ADDRESS (MODE, X, WIN) \ + else if (TARGET_THUMB2) \ + THUMB2_GO_IF_LEGITIMATE_ADDRESS (MODE, X, WIN) \ + else /* if (TARGET_THUMB1) */ \ + THUMB1_GO_IF_LEGITIMATE_ADDRESS (MODE, X, WIN) +/* APPLE LOCAL end v7 support. Merge from mainline */ + + +/* Try machine-dependent ways of modifying an illegitimate address + to be legitimate. If we find one, return the new, valid address. */ +#define ARM_LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \ +do { \ + X = arm_legitimize_address (X, OLDX, MODE); \ +} while (0) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* ??? Implement LEGITIMIZE_ADDRESS for thumb2. */ +#define THUMB2_LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \ +do { \ +} while (0) + +#define THUMB1_LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \ +do { \ + X = thumb_legitimize_address (X, OLDX, MODE); \ +} while (0) + +#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \ +do { \ + if (TARGET_ARM) \ + ARM_LEGITIMIZE_ADDRESS (X, OLDX, MODE, WIN); \ + else if (TARGET_THUMB2) \ + THUMB2_LEGITIMIZE_ADDRESS (X, OLDX, MODE, WIN); \ + else \ + THUMB1_LEGITIMIZE_ADDRESS (X, OLDX, MODE, WIN); \ + \ + if (memory_address_p (MODE, X)) \ + goto WIN; \ +} while (0) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Go to LABEL if ADDR (a legitimate address expression) + has an effect that depends on the machine mode it is used for. */ +#define ARM_GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) \ +{ \ + if ( GET_CODE (ADDR) == PRE_DEC || GET_CODE (ADDR) == POST_DEC \ + || GET_CODE (ADDR) == PRE_INC || GET_CODE (ADDR) == POST_INC) \ + goto LABEL; \ +} + +/* Nothing helpful to do for the Thumb */ +#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) \ +/* APPLE LOCAL v7 support. Merge from mainline */ \ + if (TARGET_32BIT) \ + ARM_GO_IF_MODE_DEPENDENT_ADDRESS (ADDR, LABEL) + + +/* Specify the machine mode that this machine uses + for the index in the tablejump instruction. */ +#define CASE_VECTOR_MODE Pmode + +/* APPLE LOCAL begin ARM compact switch tables */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define CASE_VECTOR_PC_RELATIVE (TARGET_THUMB || TARGET_THUMB2) + +#define CASE_VECTOR_SHORTEN_MODE(MIN_OFFSET, MAX_OFFSET, BODY) \ +((TARGET_ARM || \ + (TARGET_THUMB2 && (MIN_OFFSET < 0 || MAX_OFFSET >= 0x2000))) ? SImode \ + : TARGET_THUMB2 ? ((MAX_OFFSET >= 0x200) ? HImode : QImode) \ + : !TARGET_COMPACT_SWITCH_TABLES ? SImode \ + /* TARGET_THUMB1 */ \ + : (MIN_OFFSET) >= -256 && (MAX_OFFSET) <= 254 \ + ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 0, QImode) \ + : (MIN_OFFSET) >= 0 && (MAX_OFFSET) <= 510 \ + ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 1, QImode) \ + : (MIN_OFFSET) >= -65536 && (MAX_OFFSET) <= 65534 \ + ? (ADDR_DIFF_VEC_FLAGS (BODY).offset_unsigned = 0, HImode) \ + : SImode) +/* APPLE LOCAL end v7 support. Merge from mainline */ + + +/* This macro uses variable "file" that exists at + the single place it is invoked, in final.c. INSN_ADDRESSES + and INSN_UID also expand to variables visible at that point, + but not everywhere. Ewww. + Table in RTL includes default target as the last element (via + local change in stmt.c). Table in .s file additionally includes + count as first element, count does not include the last element. + All that is dealt with here. */ + +#define ASM_OUTPUT_ADDR_DIFF_VEC(LABEL, BODY) \ + arm_asm_output_addr_diff_vec (file, LABEL, BODY) + +/* This is identical to the default code when ASM_OUTPUT_ADDR_VEC is + not defined; however, final_scan_insn() will not invoke that + code when ASM_OUTPUT_ADDR_DIFF_VEC is defined. In other words + if one of these is defined the other must be also, assuming you + want to use both kinds of tables in different circumstances. + Grr. This requirement is undocumented. */ + +#define ASM_OUTPUT_ADDR_VEC(LABEL, BODY) \ +do \ + { \ + int vlen = XVECLEN (BODY, 0); \ + int idx; \ + if (GET_CODE (BODY) != ADDR_VEC) \ + gcc_unreachable (); \ + for (idx = 0; idx < vlen; idx++) \ + { \ + ASM_OUTPUT_ADDR_VEC_ELT \ + (file, CODE_LABEL_NUMBER (XEXP \ + (XVECEXP (BODY, 0, idx), 0))); \ + } \ + } \ +while (0) +/* APPLE LOCAL end ARM compact switch tables */ + +/* signed 'char' is most compatible, but RISC OS wants it unsigned. + unsigned is probably best, but may break some code. */ +#ifndef DEFAULT_SIGNED_CHAR +#define DEFAULT_SIGNED_CHAR 0 +#endif + +/* Max number of bytes we can move from memory to memory + in one reasonably fast instruction. */ +#define MOVE_MAX 4 + +#undef MOVE_RATIO +#define MOVE_RATIO (arm_tune_xscale ? 4 : 2) + +/* Define if operations between registers always perform the operation + on the full register even if a narrower mode is specified. */ +#define WORD_REGISTER_OPERATIONS + +/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD + will either zero-extend or sign-extend. The value of this macro should + be the code that says which one of the two operations is implicitly + done, UNKNOWN if none. */ +#define LOAD_EXTEND_OP(MODE) \ + (TARGET_THUMB ? ZERO_EXTEND : \ + ((arm_arch4 || (MODE) == QImode) ? ZERO_EXTEND \ + : ((BYTES_BIG_ENDIAN && (MODE) == HImode) ? SIGN_EXTEND : UNKNOWN))) + +/* Nonzero if access to memory by bytes is slow and undesirable. */ +#define SLOW_BYTE_ACCESS 0 + +#define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) 1 + +/* Immediate shift counts are truncated by the output routines (or was it + the assembler?). Shift counts in a register are truncated by ARM. Note + that the native compiler puts too large (> 32) immediate shift counts + into a register and shifts by the register, letting the ARM decide what + to do instead of doing that itself. */ +/* This is all wrong. Defining SHIFT_COUNT_TRUNCATED tells combine that + code like (X << (Y % 32)) for register X, Y is equivalent to (X << Y). + On the arm, Y in a register is used modulo 256 for the shift. Only for + rotates is modulo 32 used. */ +/* #define SHIFT_COUNT_TRUNCATED 1 */ + +/* All integers have the same format so truncation is easy. */ +#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 + +/* Calling from registers is a massive pain. */ +#define NO_FUNCTION_CSE 1 + +/* APPLE LOCAL begin DImode multiply enhancement */ +/* Enable a new optimization in combine.c, see there. */ +#define COMBINE_TRY_RETAIN 1 +/* APPLE LOCAL end DImode multiply enhancement */ + +/* The machine modes of pointers and functions */ +#define Pmode SImode +#define FUNCTION_MODE Pmode + +/* APPLE LOCAL begin ARM enhance conditional insn generation */ +/* A C expression to modify the code described by the conditional if + information CE_INFO, for the basic block BB, possibly updating the tests in + TRUE_EXPR, and FALSE_EXPR for converting the && and || parts of if-then or + if-then-else code to conditional instructions. OLD_TRUE and OLD_FALSE are + the previous tests. Set either TRUE_EXPR or FALSE_EXPR to a null pointer if + the tests cannot be converted. */ +#define IFCVT_MODIFY_MULTIPLE_TESTS(CE_INFO, BB, TRUE_EXPR, FALSE_EXPR) \ +arm_ifcvt_modify_multiple_tests (CE_INFO, BB, &TRUE_EXPR, &FALSE_EXPR) +/* APPLE LOCAL end ARM enhance conditional insn generation */ + +#define ARM_FRAME_RTX(X) \ + ( (X) == frame_pointer_rtx || (X) == stack_pointer_rtx \ + || (X) == arg_pointer_rtx) + +/* Moves to and from memory are quite expensive */ +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define MEMORY_MOVE_COST(M, CLASS, IN) \ + (TARGET_32BIT ? 10 : \ + ((GET_MODE_SIZE (M) < 4 ? 8 : 2 * GET_MODE_SIZE (M)) \ + * (CLASS == LO_REGS ? 1 : 2))) + +/* Try to generate sequences that don't involve branches, we can then use + conditional instructions */ +#define BRANCH_COST \ + (TARGET_32BIT ? 4 : (optimize > 0 ? 2 : 0)) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Position Independent Code. */ +/* We decide which register to use based on the compilation options and + the assembler in use; this is more general than the APCS restriction of + using sb (r9) all the time. */ +extern unsigned arm_pic_register; + +/* The register number of the register used to address a table of static + data addresses in memory. */ +#define PIC_OFFSET_TABLE_REGNUM arm_pic_register + +/* We can't directly access anything that contains a symbol, + nor can we indirect via the constant pool. One exception is + UNSPEC_TLS, which is always PIC. */ +#define LEGITIMATE_PIC_OPERAND_P(X) \ + (!(symbol_mentioned_p (X) \ + || label_mentioned_p (X) \ + || (GET_CODE (X) == SYMBOL_REF \ + && CONSTANT_POOL_ADDRESS_P (X) \ + && (symbol_mentioned_p (get_pool_constant (X)) \ + || label_mentioned_p (get_pool_constant (X))))) \ + || tls_mentioned_p (X)) + +/* APPLE LOCAL begin ARM -mdynamic-no-pic support */ +#define LEGITIMATE_DYNAMIC_NO_PIC_OPERAND_P(X) \ + (! non_local_symbol_mentioned_p (X)) + +/* Unfortunately, the places where LEGITIMATE_PIC_OPERAND_P appear in + the source code are potential hazards for -mdynamic-no-pic, too. + This macro is similar in usage to LEGITIMATE_PIC_OPERAND_P, but it + doesn't assume flag_pic is set. */ +#define LEGITIMATE_INDIRECT_OPERAND_P(X) \ + ((! flag_pic || LEGITIMATE_PIC_OPERAND_P(X)) \ + && (! MACHO_DYNAMIC_NO_PIC_P \ + || LEGITIMATE_DYNAMIC_NO_PIC_OPERAND_P(X))) +/* APPLE LOCAL end ARM -mdynamic-no-pic support */ + +/* We need to know when we are making a constant pool; this determines + whether data needs to be in the GOT or can be referenced via a GOT + offset. */ +extern int making_const_table; + +/* Handle pragmas for compatibility with Intel's compilers. */ +#define REGISTER_TARGET_PRAGMAS() do { \ + c_register_pragma (0, "long_calls", arm_pr_long_calls); \ + c_register_pragma (0, "no_long_calls", arm_pr_no_long_calls); \ + c_register_pragma (0, "long_calls_off", arm_pr_long_calls_off); \ +} while (0) + +/* Condition code information. */ +/* Given a comparison code (EQ, NE, etc.) and the first operand of a COMPARE, + return the mode to be used for the comparison. */ + +#define SELECT_CC_MODE(OP, X, Y) arm_select_cc_mode (OP, X, Y) + +#define REVERSIBLE_CC_MODE(MODE) 1 + +#define REVERSE_CONDITION(CODE,MODE) \ + (((MODE) == CCFPmode || (MODE) == CCFPEmode) \ + ? reverse_condition_maybe_unordered (code) \ + : reverse_condition (code)) + +#define CANONICALIZE_COMPARISON(CODE, OP0, OP1) \ + do \ + { \ + if (GET_CODE (OP1) == CONST_INT \ + && ! (const_ok_for_arm (INTVAL (OP1)) \ + || (const_ok_for_arm (- INTVAL (OP1))))) \ + { \ + rtx const_op = OP1; \ + CODE = arm_canonicalize_comparison ((CODE), GET_MODE (OP0), \ + &const_op); \ + OP1 = const_op; \ + } \ + } \ + while (0) + +/* The arm5 clz instruction returns 32. */ +#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = 32, 1) + +#undef ASM_APP_OFF +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define ASM_APP_OFF (TARGET_THUMB1 ? "\t.code\t16\n" : \ + TARGET_THUMB2 ? "\t.thumb\n" : "") +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Output a push or a pop instruction (only used when profiling). */ +#define ASM_OUTPUT_REG_PUSH(STREAM, REGNO) \ + do \ + { \ + if (TARGET_ARM) \ + asm_fprintf (STREAM,"\tstmfd\t%r!,{%r}\n", \ + STACK_POINTER_REGNUM, REGNO); \ + else \ + asm_fprintf (STREAM, "\tpush {%r}\n", REGNO); \ + } while (0) + + +#define ASM_OUTPUT_REG_POP(STREAM, REGNO) \ + do \ + { \ + if (TARGET_ARM) \ + asm_fprintf (STREAM, "\tldmfd\t%r!,{%r}\n", \ + STACK_POINTER_REGNUM, REGNO); \ + else \ + asm_fprintf (STREAM, "\tpop {%r}\n", REGNO); \ + } while (0) + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Jump table alignment is explicit in ASM_OUTPUT_CASE_LABEL. */ +#define ADDR_VEC_ALIGN(JUMPTABLE) 0 + +/* This is how to output a label which precedes a jumptable. Since + Thumb instructions are 2 bytes, we may need explicit alignment here. */ +#undef ASM_OUTPUT_CASE_LABEL +#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ + do \ + { \ + if (TARGET_THUMB && GET_MODE (PATTERN (JUMPTABLE)) == SImode) \ + ASM_OUTPUT_ALIGN (FILE, 2); \ + (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM); \ + } \ + while (0) + +/* Make sure subsequent insns are aligned after a TBB. */ +#define ASM_OUTPUT_CASE_END(FILE, NUM, JUMPTABLE) \ + do \ + { \ + if (GET_MODE (PATTERN (JUMPTABLE)) == QImode) \ + ASM_OUTPUT_ALIGN (FILE, 1); \ + } \ + while (0) + +#define ARM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ + do \ + { \ + if (TARGET_THUMB) \ + { \ + if (is_called_in_ARM_mode (DECL) \ + || (TARGET_THUMB1 && !TARGET_THUMB1_ONLY \ + && current_function_is_thunk)) \ + { \ + fprintf (STREAM, "\t.align 2\n") ; \ + fprintf (STREAM, "\t.code 32\n") ; \ + } \ + else \ +/* APPLE LOCAL begin ARM thumb_func <symbol_name> */ \ + { \ + if (TARGET_THUMB1) \ + fputs ("\t.code 16\n", STREAM); \ + else \ + fputs ("\t.thumb\n", STREAM); \ + fputs ("\t.thumb_func ", STREAM); \ + if (TARGET_MACHO) \ + assemble_name (STREAM, (char *) NAME); \ + putc ('\n', STREAM); \ +} \ +/* APPLE LOCAL end ARM thumb_func <symbol_name> */ \ + } \ + if (TARGET_POKE_FUNCTION_NAME) \ + arm_poke_function_name (STREAM, (char *) NAME); \ + } \ + while (0) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* For aliases of functions we use .thumb_set instead. */ +#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL1, DECL2) \ + do \ + { \ + const char *const LABEL1 = XSTR (XEXP (DECL_RTL (decl), 0), 0); \ + const char *const LABEL2 = IDENTIFIER_POINTER (DECL2); \ + \ + if (TARGET_THUMB && TREE_CODE (DECL1) == FUNCTION_DECL) \ + { \ + fprintf (FILE, "\t.thumb_set "); \ + assemble_name (FILE, LABEL1); \ + fprintf (FILE, ","); \ + assemble_name (FILE, LABEL2); \ + fprintf (FILE, "\n"); \ + } \ + else \ + ASM_OUTPUT_DEF (FILE, LABEL1, LABEL2); \ + } \ + while (0) + +#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN +/* To support -falign-* switches we need to use .p2align so + that alignment directives in code sections will be padded + with no-op instructions, rather than zeroes. */ +#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \ + if ((LOG) != 0) \ + { \ + if ((MAX_SKIP) == 0) \ + fprintf ((FILE), "\t.p2align %d\n", (int) (LOG)); \ + else \ + fprintf ((FILE), "\t.p2align %d,,%d\n", \ + (int) (LOG), (int) (MAX_SKIP)); \ + } +#endif + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +/* Only perform branch elimination (by making instructions conditional) if + we're optimizing. For Thumb-2 check if any IT instructions need + outputting. */ +#define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) \ + if (TARGET_ARM && optimize) \ + arm_final_prescan_insn (INSN); \ + else if (TARGET_THUMB2) \ + thumb2_final_prescan_insn (INSN); \ + else if (TARGET_THUMB1) \ + thumb1_final_prescan_insn (INSN) + +#define PRINT_OPERAND_PUNCT_VALID_P(CODE) \ + (CODE == '@' || CODE == '|' || CODE == '.' \ + || CODE == '~' || CODE == '#' \ + || CODE == '(' || CODE == ')' \ + || (TARGET_32BIT && (CODE == '?')) \ + || (TARGET_THUMB2 && (CODE == '!')) \ + || (TARGET_THUMB && (CODE == '_'))) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +/* Output an operand of an instruction. */ +#define PRINT_OPERAND(STREAM, X, CODE) \ + arm_print_operand (STREAM, X, CODE) + +#define ARM_SIGN_EXTEND(x) ((HOST_WIDE_INT) \ + (HOST_BITS_PER_WIDE_INT <= 32 ? (unsigned HOST_WIDE_INT) (x) \ + : ((((unsigned HOST_WIDE_INT)(x)) & (unsigned HOST_WIDE_INT) 0xffffffff) |\ + ((((unsigned HOST_WIDE_INT)(x)) & (unsigned HOST_WIDE_INT) 0x80000000) \ + ? ((~ (unsigned HOST_WIDE_INT) 0) \ + & ~ (unsigned HOST_WIDE_INT) 0xffffffff) \ + : 0)))) + +/* Output the address of an operand. */ +#define ARM_PRINT_OPERAND_ADDRESS(STREAM, X) \ +{ \ + int is_minus = GET_CODE (X) == MINUS; \ + \ + if (GET_CODE (X) == REG) \ + /* APPLE LOCAL 6258536 Atomic builtins */ \ + asm_fprintf (STREAM, "[%r]", REGNO (X)); \ + else if (GET_CODE (X) == PLUS || is_minus) \ + { \ + rtx base = XEXP (X, 0); \ + rtx index = XEXP (X, 1); \ + HOST_WIDE_INT offset = 0; \ + if (GET_CODE (base) != REG) \ + { \ + /* Ensure that BASE is a register. */ \ + /* (one of them must be). */ \ + rtx temp = base; \ + base = index; \ + index = temp; \ + } \ + switch (GET_CODE (index)) \ + { \ + case CONST_INT: \ + offset = INTVAL (index); \ + if (is_minus) \ + offset = -offset; \ + asm_fprintf (STREAM, "[%r, #%wd]", \ + REGNO (base), offset); \ + break; \ + \ + case REG: \ + asm_fprintf (STREAM, "[%r, %s%r]", \ + REGNO (base), is_minus ? "-" : "", \ + REGNO (index)); \ + break; \ + \ + case MULT: \ + case ASHIFTRT: \ + case LSHIFTRT: \ + case ASHIFT: \ + case ROTATERT: \ + { \ + asm_fprintf (STREAM, "[%r, %s%r", \ + REGNO (base), is_minus ? "-" : "", \ + REGNO (XEXP (index, 0))); \ + arm_print_operand (STREAM, index, 'S'); \ + fputs ("]", STREAM); \ + break; \ + } \ + \ + default: \ + gcc_unreachable (); \ + } \ + } \ + else if (GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_INC \ + || GET_CODE (X) == PRE_DEC || GET_CODE (X) == POST_DEC) \ + { \ + extern enum machine_mode output_memory_reference_mode; \ + \ + gcc_assert (GET_CODE (XEXP (X, 0)) == REG); \ + \ + if (GET_CODE (X) == PRE_DEC || GET_CODE (X) == PRE_INC) \ + asm_fprintf (STREAM, "[%r, #%s%d]!", \ + REGNO (XEXP (X, 0)), \ + GET_CODE (X) == PRE_DEC ? "-" : "", \ + GET_MODE_SIZE (output_memory_reference_mode)); \ + else \ + asm_fprintf (STREAM, "[%r], #%s%d", \ + REGNO (XEXP (X, 0)), \ + GET_CODE (X) == POST_DEC ? "-" : "", \ + GET_MODE_SIZE (output_memory_reference_mode)); \ + } \ + else if (GET_CODE (X) == PRE_MODIFY) \ + { \ + asm_fprintf (STREAM, "[%r, ", REGNO (XEXP (X, 0))); \ + if (GET_CODE (XEXP (XEXP (X, 1), 1)) == CONST_INT) \ + asm_fprintf (STREAM, "#%wd]!", \ + INTVAL (XEXP (XEXP (X, 1), 1))); \ + else \ + asm_fprintf (STREAM, "%r]!", \ + REGNO (XEXP (XEXP (X, 1), 1))); \ + } \ + else if (GET_CODE (X) == POST_MODIFY) \ + { \ + asm_fprintf (STREAM, "[%r], ", REGNO (XEXP (X, 0))); \ + if (GET_CODE (XEXP (XEXP (X, 1), 1)) == CONST_INT) \ + asm_fprintf (STREAM, "#%wd", \ + INTVAL (XEXP (XEXP (X, 1), 1))); \ + else \ + asm_fprintf (STREAM, "%r", \ + REGNO (XEXP (XEXP (X, 1), 1))); \ + } \ + else output_addr_const (STREAM, X); \ +} + +#define THUMB_PRINT_OPERAND_ADDRESS(STREAM, X) \ +{ \ + if (GET_CODE (X) == REG) \ + asm_fprintf (STREAM, "[%r]", REGNO (X)); \ + else if (GET_CODE (X) == POST_INC) \ + asm_fprintf (STREAM, "%r!", REGNO (XEXP (X, 0))); \ + else if (GET_CODE (X) == PLUS) \ + { \ + gcc_assert (GET_CODE (XEXP (X, 0)) == REG); \ + if (GET_CODE (XEXP (X, 1)) == CONST_INT) \ + asm_fprintf (STREAM, "[%r, #%wd]", \ + REGNO (XEXP (X, 0)), \ + INTVAL (XEXP (X, 1))); \ + else \ + asm_fprintf (STREAM, "[%r, %r]", \ + REGNO (XEXP (X, 0)), \ + REGNO (XEXP (X, 1))); \ + } \ + else \ + output_addr_const (STREAM, X); \ +} + +/* APPLE LOCAL begin v7 support. Merge from mainline */ +#define PRINT_OPERAND_ADDRESS(STREAM, X) \ + if (TARGET_32BIT) \ + ARM_PRINT_OPERAND_ADDRESS (STREAM, X) \ + else \ + THUMB_PRINT_OPERAND_ADDRESS (STREAM, X) +/* APPLE LOCAL end v7 support. Merge from mainline */ + +#define OUTPUT_ADDR_CONST_EXTRA(file, x, fail) \ + if (arm_output_addr_const_extra (file, x) == FALSE) \ + goto fail + +/* A C expression whose value is RTL representing the value of the return + address for the frame COUNT steps up from the current frame. */ + +#define RETURN_ADDR_RTX(COUNT, FRAME) \ + arm_return_addr (COUNT, FRAME) + +/* Mask of the bits in the PC that contain the real return address + when running in 26-bit mode. */ +#define RETURN_ADDR_MASK26 (0x03fffffc) + +/* Pick up the return address upon entry to a procedure. Used for + dwarf2 unwind information. This also enables the table driven + mechanism. */ +#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, LR_REGNUM) +#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (LR_REGNUM) + +/* Used to mask out junk bits from the return address, such as + processor state, interrupt status, condition codes and the like. */ +#define MASK_RETURN_ADDR \ + /* If we are generating code for an ARM2/ARM3 machine or for an ARM6 \ + in 26 bit mode, the condition codes must be masked out of the \ + return address. This does not apply to ARM6 and later processors \ + when running in 32 bit mode. */ \ + ((arm_arch4 || TARGET_THUMB) \ + ? (gen_int_mode ((unsigned long)0xffffffff, Pmode)) \ + : arm_gen_return_addr_mask ()) + +/* APPLE LOCAL begin ARM darwin optimization defaults */ +/* Define this to change the optimizations performed by default. */ +#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \ + optimization_options ((LEVEL), (SIZE)) +/* APPLE LOCAL end ARM darwin optimization defaults */ + +/* APPLE LOCAL begin 5831562 ARM pseudo-pseudo tying */ +#define TIE_PSEUDOS 1 +/* APPLE LOCAL end 5831562 ARM pseudo-pseudo tying */ + +/* APPLE LOCAL begin ARM strings in code */ +/* APPLE LOCAL begin ARM compact switch tables */ +/* length for consttable_string needs to be done in code */ +#define ADJUST_INSN_LENGTH(INSN, LENGTH) \ + arm_adjust_insn_length ((INSN), &(LENGTH)) +/* APPLE LOCAL end ARM compact switch tables */ +/* APPLE LOCAL end ARM strings in code */ + +/* APPLE LOCAL begin ARM prefer SP to FP */ +#define DEBUGGER_AUTO_OFFSET(X) arm_local_debug_offset (X) +#define ALLOW_ELIMINATION_TO_SP +/* APPLE LOCAL end ARM prefer SP to FP */ + +/* APPLE LOCAL begin ARM compact switch tables */ +#define LABEL_ALIGN(LABEL) arm_label_align(LABEL) +#define TARGET_EXTRA_CASES (TARGET_THUMB ? 1 : 0) + +/* Don't take shortcuts which may compromise preciseness of + address/alignment calculations. */ +#define TARGET_EXACT_SIZE_CALCULATIONS + +/* Count size of prologue */ +#define TARGET_UNEXPANDED_PROLOGUE_SIZE \ + (TARGET_THUMB ? count_thumb_unexpanded_prologue () : 0) + +/* Align labels in ADDR_DIFF_VECs with the same alignment as + the table they are a part of. */ +#define TARGET_ALIGN_ADDR_DIFF_VEC_LABEL +/* APPLE LOCAL end ARM compact switch tables */ + +/* APPLE LOCAL begin ARM 4-byte align stack objects */ +/* In Thumb mode align stack objects on 4 bytes, so we can use + the %sp+N form of ADD to compute their addresses rather than + having to break this into 2 insns. */ +#if TARGET_MACHO +#define LOCAL_ALIGNMENT(TYPE, BASIC_ALIGN) \ + (TARGET_THUMB ? (MAX (BASIC_ALIGN, 4 * BITS_PER_UNIT)) : BASIC_ALIGN) +#endif +/* APPLE LOCAL end ARM 4-byte align stack objects */ + +/* APPLE LOCAL begin ARM 6148015 */ +/* Tells us how to find the CFA == dwarf frame_base == address of stack + on entry to the function given the (virtual) arg-pointer. */ +#define ARG_POINTER_CFA_OFFSET(FNDECL) \ + ((FIRST_PARM_OFFSET (FNDECL)) \ + + (DECL_STRUCT_FUNCTION (FNDECL))->pretend_args_size) +/* APPLE LOCAL end ARM 6148015 */ + +/* APPLE LOCAL begin 6186914 */ +/* As per the ARM ABI, for double-width VFP regs: + Dx = DW_OP_regx(256+x) + For single-width VFP regs: + S[2x] = DW_OP_regx(256 + (x >> 1)) DW_OP_bit piece(32, 0) + S[2x+1] = DW_OP_regx(256 + (x >> 1)) DW_OP_bit_piece (32, 32) + It's unfortunate that we have to put this into inline code, but the + interfaces we need from dwarf2out.c aren't exposed. */ +#define TARGET_DWARF2_REG_HANDLER(reg) \ + do { \ + if (IS_VFP_REGNUM (REGNO (reg)) \ + && (GET_MODE (reg) == SFmode || GET_MODE (reg) == DFmode)) \ + { \ + dw_loc_descr_ref loc_result = NULL; \ + dw_loc_descr_ref temp; \ + unsigned int relative_regno = REGNO (reg) - FIRST_VFP_REGNUM; \ + unsigned int base_reg = 256 + (relative_regno >> 1); \ + temp = one_reg_loc_descriptor (base_reg, initialized); \ + add_loc_descr (&loc_result, temp); \ + if (GET_MODE (reg) == SFmode) \ + { \ + int offset = relative_regno & 0x1 ? 32 : 0; \ + temp = new_loc_descr (DW_OP_bit_piece, 32, offset); \ + add_loc_descr (&loc_result, temp); \ + } \ + return loc_result; \ + } \ + } while (0) +/* APPLE LOCAL end 6186914 */ + +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ +/* Neon defines builtins from ARM_BUILTIN_MAX upwards, though they don't have + symbolic names defined here (which would require too much duplication). + FIXME? */ +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +enum arm_builtins +{ + ARM_BUILTIN_GETWCX, + ARM_BUILTIN_SETWCX, + + ARM_BUILTIN_WZERO, + + ARM_BUILTIN_WAVG2BR, + ARM_BUILTIN_WAVG2HR, + ARM_BUILTIN_WAVG2B, + ARM_BUILTIN_WAVG2H, + + ARM_BUILTIN_WACCB, + ARM_BUILTIN_WACCH, + ARM_BUILTIN_WACCW, + + ARM_BUILTIN_WMACS, + ARM_BUILTIN_WMACSZ, + ARM_BUILTIN_WMACU, + ARM_BUILTIN_WMACUZ, + + ARM_BUILTIN_WSADB, + ARM_BUILTIN_WSADBZ, + ARM_BUILTIN_WSADH, + ARM_BUILTIN_WSADHZ, + + ARM_BUILTIN_WALIGN, + + ARM_BUILTIN_TMIA, + ARM_BUILTIN_TMIAPH, + ARM_BUILTIN_TMIABB, + ARM_BUILTIN_TMIABT, + ARM_BUILTIN_TMIATB, + ARM_BUILTIN_TMIATT, + + ARM_BUILTIN_TMOVMSKB, + ARM_BUILTIN_TMOVMSKH, + ARM_BUILTIN_TMOVMSKW, + + ARM_BUILTIN_TBCSTB, + ARM_BUILTIN_TBCSTH, + ARM_BUILTIN_TBCSTW, + + ARM_BUILTIN_WMADDS, + ARM_BUILTIN_WMADDU, + + ARM_BUILTIN_WPACKHSS, + ARM_BUILTIN_WPACKWSS, + ARM_BUILTIN_WPACKDSS, + ARM_BUILTIN_WPACKHUS, + ARM_BUILTIN_WPACKWUS, + ARM_BUILTIN_WPACKDUS, + + ARM_BUILTIN_WADDB, + ARM_BUILTIN_WADDH, + ARM_BUILTIN_WADDW, + ARM_BUILTIN_WADDSSB, + ARM_BUILTIN_WADDSSH, + ARM_BUILTIN_WADDSSW, + ARM_BUILTIN_WADDUSB, + ARM_BUILTIN_WADDUSH, + ARM_BUILTIN_WADDUSW, + ARM_BUILTIN_WSUBB, + ARM_BUILTIN_WSUBH, + ARM_BUILTIN_WSUBW, + ARM_BUILTIN_WSUBSSB, + ARM_BUILTIN_WSUBSSH, + ARM_BUILTIN_WSUBSSW, + ARM_BUILTIN_WSUBUSB, + ARM_BUILTIN_WSUBUSH, + ARM_BUILTIN_WSUBUSW, + + ARM_BUILTIN_WAND, + ARM_BUILTIN_WANDN, + ARM_BUILTIN_WOR, + ARM_BUILTIN_WXOR, + + ARM_BUILTIN_WCMPEQB, + ARM_BUILTIN_WCMPEQH, + ARM_BUILTIN_WCMPEQW, + ARM_BUILTIN_WCMPGTUB, + ARM_BUILTIN_WCMPGTUH, + ARM_BUILTIN_WCMPGTUW, + ARM_BUILTIN_WCMPGTSB, + ARM_BUILTIN_WCMPGTSH, + ARM_BUILTIN_WCMPGTSW, + + ARM_BUILTIN_TEXTRMSB, + ARM_BUILTIN_TEXTRMSH, + ARM_BUILTIN_TEXTRMSW, + ARM_BUILTIN_TEXTRMUB, + ARM_BUILTIN_TEXTRMUH, + ARM_BUILTIN_TEXTRMUW, + ARM_BUILTIN_TINSRB, + ARM_BUILTIN_TINSRH, + ARM_BUILTIN_TINSRW, + + ARM_BUILTIN_WMAXSW, + ARM_BUILTIN_WMAXSH, + ARM_BUILTIN_WMAXSB, + ARM_BUILTIN_WMAXUW, + ARM_BUILTIN_WMAXUH, + ARM_BUILTIN_WMAXUB, + ARM_BUILTIN_WMINSW, + ARM_BUILTIN_WMINSH, + ARM_BUILTIN_WMINSB, + ARM_BUILTIN_WMINUW, + ARM_BUILTIN_WMINUH, + ARM_BUILTIN_WMINUB, + + ARM_BUILTIN_WMULUM, + ARM_BUILTIN_WMULSM, + ARM_BUILTIN_WMULUL, + + ARM_BUILTIN_PSADBH, + ARM_BUILTIN_WSHUFH, + + ARM_BUILTIN_WSLLH, + ARM_BUILTIN_WSLLW, + ARM_BUILTIN_WSLLD, + ARM_BUILTIN_WSRAH, + ARM_BUILTIN_WSRAW, + ARM_BUILTIN_WSRAD, + ARM_BUILTIN_WSRLH, + ARM_BUILTIN_WSRLW, + ARM_BUILTIN_WSRLD, + ARM_BUILTIN_WRORH, + ARM_BUILTIN_WRORW, + ARM_BUILTIN_WRORD, + ARM_BUILTIN_WSLLHI, + ARM_BUILTIN_WSLLWI, + ARM_BUILTIN_WSLLDI, + ARM_BUILTIN_WSRAHI, + ARM_BUILTIN_WSRAWI, + ARM_BUILTIN_WSRADI, + ARM_BUILTIN_WSRLHI, + ARM_BUILTIN_WSRLWI, + ARM_BUILTIN_WSRLDI, + ARM_BUILTIN_WRORHI, + ARM_BUILTIN_WRORWI, + ARM_BUILTIN_WRORDI, + + ARM_BUILTIN_WUNPCKIHB, + ARM_BUILTIN_WUNPCKIHH, + ARM_BUILTIN_WUNPCKIHW, + ARM_BUILTIN_WUNPCKILB, + ARM_BUILTIN_WUNPCKILH, + ARM_BUILTIN_WUNPCKILW, + + ARM_BUILTIN_WUNPCKEHSB, + ARM_BUILTIN_WUNPCKEHSH, + ARM_BUILTIN_WUNPCKEHSW, + ARM_BUILTIN_WUNPCKEHUB, + ARM_BUILTIN_WUNPCKEHUH, + ARM_BUILTIN_WUNPCKEHUW, + ARM_BUILTIN_WUNPCKELSB, + ARM_BUILTIN_WUNPCKELSH, + ARM_BUILTIN_WUNPCKELSW, + ARM_BUILTIN_WUNPCKELUB, + ARM_BUILTIN_WUNPCKELUH, + ARM_BUILTIN_WUNPCKELUW, + + ARM_BUILTIN_THREAD_POINTER, + +/* APPLE LOCAL begin v7 support. Merge from Codesourcery */ + ARM_BUILTIN_NEON_BASE, + + ARM_BUILTIN_MAX = ARM_BUILTIN_NEON_BASE /* FIXME: Wrong! */ +/* APPLE LOCAL end v7 support. Merge from Codesourcery */ +}; +#endif /* ! GCC_ARM_H */ |