Home | History | Annotate | Line # | Download | only in alpha 
      1 ; Options for the DEC Alpha port of the compiler
      2 ;
      3 ; Copyright (C) 2005-2022 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 Mask(SOFT_FP)
     23 Do not use hardware fp.
     24 
     25 mfp-regs
     26 Target 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 RejectNegative Mask(IEEE)
     39 Emit IEEE-conformant code, without inexact exceptions.
     40 
     41 mieee-with-inexact
     42 Target RejectNegative Mask(IEEE_WITH_INEXACT)
     43 
     44 mbuild-constants
     45 Target Mask(BUILD_CONSTANTS)
     46 Do not emit complex integer constants to read-only memory.
     47 
     48 mfloat-vax
     49 Target RejectNegative Mask(FLOAT_VAX)
     50 Use VAX fp.
     51 
     52 mfloat-ieee
     53 Target RejectNegative InverseMask(FLOAT_VAX)
     54 Do not use VAX fp.
     55 
     56 mbwx
     57 Target Mask(BWX)
     58 Emit code for the byte/word ISA extension.
     59 
     60 mmax
     61 Target Mask(MAX)
     62 Emit code for the motion video ISA extension.
     63 
     64 mfix
     65 Target Mask(FIX)
     66 Emit code for the fp move and sqrt ISA extension.
     67 
     68 mcix
     69 Target Mask(CIX)
     70 Emit code for the counting ISA extension.
     71 
     72 mexplicit-relocs
     73 Target Mask(EXPLICIT_RELOCS)
     74 Emit code using explicit relocation directives.
     75 
     76 msmall-data
     77 Target RejectNegative Mask(SMALL_DATA)
     78 Emit 16-bit relocations to the small data areas.
     79 
     80 mlarge-data
     81 Target RejectNegative InverseMask(SMALL_DATA)
     82 Emit 32-bit relocations to the small data areas.
     83 
     84 msmall-text
     85 Target RejectNegative Mask(SMALL_TEXT)
     86 Emit direct branches to local functions.
     87 
     88 mlarge-text
     89 Target RejectNegative InverseMask(SMALL_TEXT)
     90 Emit indirect branches to local functions.
     91 
     92 mtls-kernel
     93 Target Mask(TLS_KERNEL)
     94 Emit rdval instead of rduniq for thread pointer.
     95 
     96 mlong-double-128
     97 Target RejectNegative Mask(LONG_DOUBLE_128)
     98 Use 128-bit long double.
     99 
    100 mlong-double-64
    101 Target 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