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; 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
; <http://www.gnu.org/licenses/>.
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.
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