path: root/gcc-4.9/gcc/config/sparc/sparc.opt

; Options for the SPARC port of the compiler
;
; Copyright (C) 2005-2014 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/>.

HeaderInclude
config/sparc/sparc-opts.h

;; Debug flags
TargetVariable
unsigned int sparc_debug

mfpu
Target Report Mask(FPU)
Use hardware FP

mhard-float
Target RejectNegative Mask(FPU)
Use hardware FP

msoft-float
Target RejectNegative InverseMask(FPU)
Do not use hardware FP

mflat
Target Report Mask(FLAT)
Use flat register window model

munaligned-doubles
Target Report Mask(UNALIGNED_DOUBLES)
Assume possible double misalignment

mapp-regs
Target Report Mask(APP_REGS)
Use ABI reserved registers

mhard-quad-float
Target Report RejectNegative Mask(HARD_QUAD)
Use hardware quad FP instructions

msoft-quad-float
Target Report RejectNegative InverseMask(HARD_QUAD)
Do not use hardware quad fp instructions

mv8plus
Target Report Mask(V8PLUS)
Compile for V8+ ABI

mvis
Target Report Mask(VIS)
Use UltraSPARC Visual Instruction Set version 1.0 extensions

mvis2
Target Report Mask(VIS2)
Use UltraSPARC Visual Instruction Set version 2.0 extensions

mvis3
Target Report Mask(VIS3)
Use UltraSPARC Visual Instruction Set version 3.0 extensions

mcbcond
Target Report Mask(CBCOND)
Use UltraSPARC Compare-and-Branch extensions

mfmaf
Target Report Mask(FMAF)
Use UltraSPARC Fused Multiply-Add extensions

mpopc
Target Report Mask(POPC)
Use UltraSPARC Population-Count instruction

mptr64
Target Report RejectNegative Mask(PTR64)
Pointers are 64-bit

mptr32
Target Report RejectNegative InverseMask(PTR64)
Pointers are 32-bit

m64
Target Report RejectNegative Mask(64BIT)
Use 64-bit ABI

m32
Target Report RejectNegative InverseMask(64BIT)
Use 32-bit ABI

mstack-bias
Target Report Mask(STACK_BIAS)
Use stack bias

mfaster-structs
Target Report Mask(FASTER_STRUCTS)
Use structs on stronger alignment for double-word copies

mrelax
Target
Optimize tail call instructions in assembler and linker

muser-mode
Target Report Mask(USER_MODE)
Do not generate code that can only run in supervisor mode

mcpu=
Target RejectNegative Joined Var(sparc_cpu_and_features) Enum(sparc_processor_type) Init(PROCESSOR_V7)
Use features of and schedule code for given CPU

mtune=
Target RejectNegative Joined Var(sparc_cpu) Enum(sparc_processor_type) Init(PROCESSOR_V7)
Schedule code for given CPU

Enum
Name(sparc_processor_type) Type(enum processor_type)

EnumValue
Enum(sparc_processor_type) String(native) Value(PROCESSOR_NATIVE) DriverOnly

EnumValue
Enum(sparc_processor_type) String(v7) Value(PROCESSOR_V7)

EnumValue
Enum(sparc_processor_type) String(cypress) Value(PROCESSOR_CYPRESS)

EnumValue
Enum(sparc_processor_type) String(v8) Value(PROCESSOR_V8)

EnumValue
Enum(sparc_processor_type) String(supersparc) Value(PROCESSOR_SUPERSPARC)

EnumValue
Enum(sparc_processor_type) String(hypersparc) Value(PROCESSOR_HYPERSPARC)

EnumValue
Enum(sparc_processor_type) String(leon) Value(PROCESSOR_LEON)

EnumValue
Enum(sparc_processor_type) String(leon3) Value(PROCESSOR_LEON3)

EnumValue
Enum(sparc_processor_type) String(sparclite) Value(PROCESSOR_SPARCLITE)

EnumValue
Enum(sparc_processor_type) String(f930) Value(PROCESSOR_F930)

EnumValue
Enum(sparc_processor_type) String(f934) Value(PROCESSOR_F934)

EnumValue
Enum(sparc_processor_type) String(sparclite86x) Value(PROCESSOR_SPARCLITE86X)

EnumValue
Enum(sparc_processor_type) String(sparclet) Value(PROCESSOR_SPARCLET)

EnumValue
Enum(sparc_processor_type) String(tsc701) Value(PROCESSOR_TSC701)

EnumValue
Enum(sparc_processor_type) String(v9) Value(PROCESSOR_V9)

EnumValue
Enum(sparc_processor_type) String(ultrasparc) Value(PROCESSOR_ULTRASPARC)

EnumValue
Enum(sparc_processor_type) String(ultrasparc3) Value(PROCESSOR_ULTRASPARC3)

EnumValue
Enum(sparc_processor_type) String(niagara) Value(PROCESSOR_NIAGARA)

EnumValue
Enum(sparc_processor_type) String(niagara2) Value(PROCESSOR_NIAGARA2)

EnumValue
Enum(sparc_processor_type) String(niagara3) Value(PROCESSOR_NIAGARA3)

EnumValue
Enum(sparc_processor_type) String(niagara4) Value(PROCESSOR_NIAGARA4)

mcmodel=
Target RejectNegative Joined Var(sparc_cmodel_string)
Use given SPARC-V9 code model

mdebug=
Target RejectNegative Joined Var(sparc_debug_string)
Enable debug output

mstd-struct-return
Target Report RejectNegative Var(sparc_std_struct_return)
Enable strict 32-bit psABI struct return checking.

mfix-at697f
Target Report RejectNegative Var(sparc_fix_at697f)
Enable workaround for single erratum of AT697F processor
(corresponding to erratum #13 of AT697E processor)

mfix-ut699
Target Report RejectNegative Var(sparc_fix_ut699)
Enable workarounds for the errata of the UT699 processor

Mask(LONG_DOUBLE_128)
;; Use 128-bit long double

Mask(LEON)
;; Generate code for LEON

Mask(LEON3)
;; Generate code for LEON3

Mask(SPARCLITE)
;; Generate code for SPARClite

Mask(SPARCLET)
;; Generate code for SPARClet

Mask(V8)
;; Generate code for SPARC-V8

Mask(V9)
;; Generate code for SPARC-V9

Mask(DEPRECATED_V8_INSNS)
;; Generate code that uses the V8 instructions deprecated
;; in the V9 architecture.

mmemory-model=
Target RejectNegative Joined Var(sparc_memory_model) Enum(sparc_memory_model) Init(SMM_DEFAULT)
Specify the memory model in effect for the program.

Enum
Name(sparc_memory_model) Type(enum sparc_memory_model_type)

EnumValue
Enum(sparc_memory_model) String(default) Value(SMM_DEFAULT)

EnumValue
Enum(sparc_memory_model) String(rmo) Value(SMM_RMO)

EnumValue
Enum(sparc_memory_model) String(pso) Value(SMM_PSO)

EnumValue
Enum(sparc_memory_model) String(tso) Value(SMM_TSO)

EnumValue
Enum(sparc_memory_model) String(sc) Value(SMM_SC)