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Diffstat (limited to 'gcc-4.9/gcc/config/aarch64/aarch64.opt')
| -rw-r--r-- | gcc-4.9/gcc/config/aarch64/aarch64.opt | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/aarch64/aarch64.opt b/gcc-4.9/gcc/config/aarch64/aarch64.opt new file mode 100644 index 000000000..f5a15b729 --- /dev/null +++ b/gcc-4.9/gcc/config/aarch64/aarch64.opt @@ -0,0 +1,118 @@ +; Machine description for AArch64 architecture. +; Copyright (C) 2009-2014 Free Software Foundation, Inc. +; Contributed by ARM Ltd. +; +; 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 +; <http://www.gnu.org/licenses/>. + +HeaderInclude +config/aarch64/aarch64-opts.h + +; The TLS dialect names to use with -mtls-dialect. + +Enum +Name(tls_type) Type(enum aarch64_tls_type) +The possible TLS dialects: + +EnumValue +Enum(tls_type) String(trad) Value(TLS_TRADITIONAL) + +EnumValue +Enum(tls_type) String(desc) Value(TLS_DESCRIPTORS) + +; The code model option names for -mcmodel. + +Enum +Name(cmodel) Type(enum aarch64_code_model) +The code model option names for -mcmodel: + +EnumValue +Enum(cmodel) String(tiny) Value(AARCH64_CMODEL_TINY) + +EnumValue +Enum(cmodel) String(small) Value(AARCH64_CMODEL_SMALL) + +EnumValue +Enum(cmodel) String(large) Value(AARCH64_CMODEL_LARGE) + +; The cpu/arch option names to use in cpu/arch selection. + +Variable +const char *aarch64_arch_string + +Variable +const char *aarch64_cpu_string + +Variable +const char *aarch64_tune_string + +mbig-endian +Target Report RejectNegative Mask(BIG_END) +Assume target CPU is configured as big endian + +mgeneral-regs-only +Target Report RejectNegative Mask(GENERAL_REGS_ONLY) +Generate code which uses only the general registers + +mlittle-endian +Target Report RejectNegative InverseMask(BIG_END) +Assume target CPU is configured as little endian + +mcmodel= +Target RejectNegative Joined Enum(cmodel) Var(aarch64_cmodel_var) Init(AARCH64_CMODEL_SMALL) +Specify the code model + +mstrict-align +Target Report RejectNegative Mask(STRICT_ALIGN) +Don't assume that unaligned accesses are handled by the system + +momit-leaf-frame-pointer +Target Report Save Var(flag_omit_leaf_frame_pointer) Init(1) +Omit the frame pointer in leaf functions + +mtls-dialect= +Target RejectNegative Joined Enum(tls_type) Var(aarch64_tls_dialect) Init(TLS_DESCRIPTORS) +Specify TLS dialect + +march= +Target RejectNegative ToLower Joined Var(aarch64_arch_string) +-march=ARCH Use features of architecture ARCH + +mcpu= +Target RejectNegative ToLower Joined Var(aarch64_cpu_string) +-mcpu=CPU Use features of and optimize for CPU + +mtune= +Target RejectNegative ToLower Joined Var(aarch64_tune_string) +-mtune=CPU Optimize for CPU + +mabi= +Target RejectNegative Joined Enum(aarch64_abi) Var(aarch64_abi) Init(AARCH64_ABI_DEFAULT) +-mabi=ABI Generate code that conforms to the specified ABI + +mlra +Target Report Var(aarch64_lra_flag) Init(1) Save +Use LRA instead of reload (transitional) + +Enum +Name(aarch64_abi) Type(int) +Known AArch64 ABIs (for use with the -mabi= option): + +EnumValue +Enum(aarch64_abi) String(ilp32) Value(AARCH64_ABI_ILP32) + +EnumValue +Enum(aarch64_abi) String(lp64) Value(AARCH64_ABI_LP64) |