Add support for floating-point fused multiply-add on Sparc.

[thirdparty/gcc.git] / gcc / config / sparc / sparc.opt

; Options for the SPARC port of the compiler
;
; Copyright (C) 2005, 2007, 2010, 2011 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

mfpu
Target Report Mask(FPU)
Use hardware FP

mhard-float
Target RejectNegative Mask(FPU) MaskExists
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 extensions

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

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

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(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

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

Mask(LITTLE_ENDIAN)
;; Generate code for little-endian

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

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.