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alpha.opt revision 1.3 
      1 ; Options for the DEC Alpha port of the compiler
      2 ;
      3 ; Copyright (C) 2005-2013 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 msoft-float
     22 Target Report Mask(SOFT_FP)
     23 Do not use hardware fp
     24 
     25 mfp-regs
     26 Target Report Mask(FPREGS)
     27 Use fp registers
     28 
     29 mgas
     30 Target Ignore
     31 Does nothing. Preserved for backward compatibility.
     32 
     33 mieee-conformant
     34 Target RejectNegative Mask(IEEE_CONFORMANT)
     35 Request IEEE-conformant math library routines (OSF/1)
     36 
     37 mieee
     38 Target Report RejectNegative Mask(IEEE)
     39 Emit IEEE-conformant code, without inexact exceptions
     40 
     41 mieee-with-inexact
     42 Target Report RejectNegative Mask(IEEE_WITH_INEXACT)
     43 
     44 mbuild-constants
     45 Target Report Mask(BUILD_CONSTANTS)
     46 Do not emit complex integer constants to read-only memory
     47 
     48 mfloat-vax
     49 Target Report RejectNegative Mask(FLOAT_VAX)
     50 Use VAX fp
     51 
     52 mfloat-ieee
     53 Target Report RejectNegative InverseMask(FLOAT_VAX)
     54 Do not use VAX fp
     55 
     56 mbwx
     57 Target Report Mask(BWX)
     58 Emit code for the byte/word ISA extension
     59 
     60 mmax
     61 Target Report Mask(MAX)
     62 Emit code for the motion video ISA extension
     63 
     64 mfix
     65 Target Report Mask(FIX)
     66 Emit code for the fp move and sqrt ISA extension
     67 
     68 mcix
     69 Target Report Mask(CIX)
     70 Emit code for the counting ISA extension
     71 
     72 mexplicit-relocs
     73 Target Report Mask(EXPLICIT_RELOCS)
     74 Emit code using explicit relocation directives
     75 
     76 msmall-data
     77 Target Report RejectNegative Mask(SMALL_DATA)
     78 Emit 16-bit relocations to the small data areas
     79 
     80 mlarge-data
     81 Target Report RejectNegative InverseMask(SMALL_DATA)
     82 Emit 32-bit relocations to the small data areas
     83 
     84 msmall-text
     85 Target Report RejectNegative Mask(SMALL_TEXT)
     86 Emit direct branches to local functions
     87 
     88 mlarge-text
     89 Target Report RejectNegative InverseMask(SMALL_TEXT)
     90 Emit indirect branches to local functions
     91 
     92 mtls-kernel
     93 Target Report Mask(TLS_KERNEL)
     94 Emit rdval instead of rduniq for thread pointer
     95 
     96 mlong-double-128
     97 Target Report RejectNegative Mask(LONG_DOUBLE_128)
     98 Use 128-bit long double
     99 
    100 mlong-double-64
    101 Target Report RejectNegative InverseMask(LONG_DOUBLE_128)
    102 Use 64-bit long double
    103 
    104 mcpu=
    105 Target RejectNegative Joined Var(alpha_cpu_string)
    106 Use features of and schedule given CPU
    107 
    108 mtune=
    109 Target RejectNegative Joined Var(alpha_tune_string)
    110 Schedule given CPU
    111 
    112 mfp-rounding-mode=
    113 Target RejectNegative Joined Var(alpha_fprm_string)
    114 Control the generated fp rounding mode
    115 
    116 mfp-trap-mode=
    117 Target RejectNegative Joined Var(alpha_fptm_string)
    118 Control the IEEE trap mode
    119 
    120 mtrap-precision=
    121 Target RejectNegative Joined Var(alpha_tp_string)
    122 Control the precision given to fp exceptions
    123 
    124 mmemory-latency=
    125 Target RejectNegative Joined Var(alpha_mlat_string)
    126 Tune expected memory latency
    127 
    128 mtls-size=
    129 Target RejectNegative Joined UInteger Var(alpha_tls_size) Init(32)
    130 Specify bit size of immediate TLS offsets
    131