; Options for the ARM port of the compiler. ; Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc. ; ; 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 3, 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 COPYING3. If not see ; . mabi= Target RejectNegative Joined Var(target_abi_name) Specify an ABI mabort-on-noreturn Target Report Mask(ABORT_NORETURN) Generate a call to abort if a noreturn function returns mapcs Target RejectNegative Mask(APCS_FRAME) MaskExists Undocumented mapcs-float Target Report Mask(APCS_FLOAT) Pass FP arguments in FP registers mapcs-frame Target Report Mask(APCS_FRAME) Generate APCS conformant stack frames mapcs-reentrant Target Report Mask(APCS_REENT) Generate re-entrant, PIC code mapcs-stack-check Target Report Mask(APCS_STACK) Undocumented march= Target RejectNegative Joined Specify the name of the target architecture marm Target RejectNegative InverseMask(THUMB) Undocumented mbig-endian Target Report RejectNegative Mask(BIG_END) Assume target CPU is configured as big endian mcallee-super-interworking Target Report Mask(CALLEE_INTERWORKING) Thumb: Assume non-static functions may be called from ARM code mcaller-super-interworking Target Report Mask(CALLER_INTERWORKING) Thumb: Assume function pointers may go to non-Thumb aware code mcirrus-fix-invalid-insns Target Report Mask(CIRRUS_FIX_INVALID_INSNS) Cirrus: Place NOPs to avoid invalid instruction combinations mcpu= Target RejectNegative Joined Specify the name of the target CPU mfloat-abi= Target RejectNegative Joined Var(target_float_abi_name) Specify if floating point hardware should be used mfp= Target RejectNegative Joined Undocumented Var(target_fpe_name) mfp16-format= Target RejectNegative Joined Var(target_fp16_format_name) Specify the __fp16 floating-point format ;; Now ignored. mfpe Target RejectNegative Mask(FPE) Undocumented mfpe= Target RejectNegative Joined Undocumented Var(target_fpe_name) mfpu= Target RejectNegative Joined Var(target_fpu_name) Specify the name of the target floating point hardware/format mhard-float Target RejectNegative Alias for -mfloat-abi=hard mlittle-endian Target Report RejectNegative InverseMask(BIG_END) Assume target CPU is configured as little endian mlong-calls Target Report Mask(LONG_CALLS) Generate call insns as indirect calls, if necessary mpic-register= Target RejectNegative Joined Var(arm_pic_register_string) Specify the register to be used for PIC addressing mpoke-function-name Target Report Mask(POKE_FUNCTION_NAME) Store function names in object code msched-prolog Target Report Mask(SCHED_PROLOG) Permit scheduling of a function's prologue sequence msingle-pic-base Target Report Mask(SINGLE_PIC_BASE) Do not load the PIC register in function prologues msoft-float Target RejectNegative Alias for -mfloat-abi=soft mstructure-size-boundary= Target RejectNegative Joined Var(structure_size_string) Specify the minimum bit alignment of structures mthumb Target Report Mask(THUMB) Compile for the Thumb not the ARM mthumb-interwork Target Report Mask(INTERWORK) Support calls between Thumb and ARM instruction sets mtp= Target RejectNegative Joined Var(target_thread_switch) Specify how to access the thread pointer mtpcs-frame Target Report Mask(TPCS_FRAME) Thumb: Generate (non-leaf) stack frames even if not needed mtpcs-leaf-frame Target Report Mask(TPCS_LEAF_FRAME) Thumb: Generate (leaf) stack frames even if not needed mtune= Target RejectNegative Joined Tune code for the given processor mwords-little-endian Target Report RejectNegative Mask(LITTLE_WORDS) Assume big endian bytes, little endian words mvectorize-with-neon-quad Target Report Mask(NEON_VECTORIZE_QUAD) Use Neon quad-word (rather than double-word) registers for vectorization mword-relocations Target Report Var(target_word_relocations) Init(TARGET_DEFAULT_WORD_RELOCATIONS) Only generate absolute relocations on word sized values. mfix-cortex-m3-ldrd Target Report Var(fix_cm3_ldrd) Init(2) Avoid overlapping destination and address registers on LDRD instructions that may trigger Cortex-M3 errata.