gcc/config/sparc/sparc.opt

   1 ; Options for the SPARC port of the compiler
   2 ;
   3 ; Copyright (C) 2005, 2007, 2010 Free Software Foundation, Inc.
   4 ;
   5 ; This file is part of GCC.
   6 ;
   7 ; GCC is free software; you can redistribute it and/or modify it under
   8 ; the terms of the GNU General Public License as published by the Free
   9 ; Software Foundation; either version 3, or (at your option) any later
  10 ; version.
  11 ;
  12 ; GCC is distributed in the hope that it will be useful, but WITHOUT
  13 ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 ; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15 ; License for more details.
  16 ;
  17 ; You should have received a copy of the GNU General Public License
  18 ; along with GCC; see the file COPYING3.  If not see
  19 ; <http://www.gnu.org/licenses/>.
  20
  21 mfpu
  22 Target Report Mask(FPU)
  23 Use hardware FP
  24
  25 mhard-float
  26 Target RejectNegative Mask(FPU) MaskExists
  27 Use hardware FP
  28
  29 msoft-float
  30 Target RejectNegative InverseMask(FPU)
  31 Do not use hardware FP
  32
  33 munaligned-doubles
  34 Target Report Mask(UNALIGNED_DOUBLES)
  35 Assume possible double misalignment
  36
  37 mapp-regs
  38 Target Report Mask(APP_REGS)
  39 Use ABI reserved registers
  40
  41 mhard-quad-float
  42 Target Report RejectNegative Mask(HARD_QUAD)
  43 Use hardware quad FP instructions
  44
  45 msoft-quad-float
  46 Target Report RejectNegative InverseMask(HARD_QUAD)
  47 Do not use hardware quad fp instructions
  48
  49 mv8plus
  50 Target Report Mask(V8PLUS)
  51 Compile for V8+ ABI
  52
  53 mvis
  54 Target Report Mask(VIS)
  55 Use UltraSPARC Visual Instruction Set extensions
  56
  57 mptr64
  58 Target Report RejectNegative Mask(PTR64)
  59 Pointers are 64-bit
  60
  61 mptr32
  62 Target Report RejectNegative InverseMask(PTR64)
  63 Pointers are 32-bit
  64
  65 m64
  66 Target Report RejectNegative Mask(64BIT)
  67 Use 64-bit ABI
  68
  69 m32
  70 Target Report RejectNegative InverseMask(64BIT)
  71 Use 32-bit ABI
  72
  73 mstack-bias
  74 Target Report Mask(STACK_BIAS)
  75 Use stack bias
  76
  77 mfaster-structs
  78 Target Report Mask(FASTER_STRUCTS)
  79 Use structs on stronger alignment for double-word copies
  80
  81 mrelax
  82 Target
  83 Optimize tail call instructions in assembler and linker
  84
  85 mcpu=
  86 Target RejectNegative Joined
  87 Use features of and schedule code for given CPU
  88
  89 mtune=
  90 Target RejectNegative Joined
  91 Schedule code for given CPU
  92
  93 mcmodel=
  94 Target RejectNegative Joined Var(sparc_cmodel_string)
  95 Use given SPARC-V9 code model
  96
  97 mstd-struct-return
  98 Target Report RejectNegative Var(sparc_std_struct_return)
  99 Enable strict 32-bit psABI struct return checking.
 100
 101 Mask(LITTLE_ENDIAN)
 102 ;; Generate code for little-endian
 103
 104 Mask(LONG_DOUBLE_128)
 105 ;; Use 128-bit long double
 106
 107 Mask(SPARCLITE)
 108 ;; Generate code for SPARClite
 109
 110 Mask(SPARCLET)
 111 ;; Generate code for SPARClet
 112
 113 Mask(V8)
 114 ;; Generate code for SPARC-V8
 115
 116 Mask(V9)
 117 ;; Generate code for SPARC-V9
 118
 119 Mask(DEPRECATED_V8_INSNS)
 120 ;; Generate code that uses the V8 instructions deprecated
 121 ;; in the V9 architecture.