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      1 ; Options for the NEC V850 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 ANY
     13 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14 ; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     15 ; 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 HeaderInclude
     22 config/v850/v850-opts.h
     23 
     24 Variable
     25 int small_memory_max[(int)SMALL_MEMORY_max] = { 0, 0, 0 }
     26 
     27 mapp-regs
     28 Target Mask(APP_REGS)
     29 Use registers r2 and r5.
     30 
     31 mbig-switch
     32 Target Mask(BIG_SWITCH)
     33 Use 4 byte entries in switch tables.
     34 
     35 mdebug
     36 Target Mask(DEBUG)
     37 Enable backend debugging.
     38 
     39 mdisable-callt
     40 Target Mask(DISABLE_CALLT)
     41 Do not use the callt instruction (default).
     42 
     43 mep
     44 Target Mask(EP)
     45 Reuse r30 on a per function basis.
     46 
     47 mghs
     48 Target RejectNegative InverseMask(GCC_ABI) MaskExists
     49 
     50 mlong-calls
     51 Target Mask(LONG_CALLS)
     52 Prohibit PC relative function calls.
     53 
     54 mprolog-function
     55 Target Mask(PROLOG_FUNCTION)
     56 Use stubs for function prologues.
     57 
     58 msda=
     59 Target RejectNegative Joined UInteger
     60 Set the max size of data eligible for the SDA area.
     61 
     62 msda-
     63 Target RejectNegative Joined Undocumented Alias(msda=)
     64 
     65 msmall-sld
     66 Target Mask(SMALL_SLD)
     67 Enable the use of the short load instructions.
     68 
     69 mspace
     70 Target RejectNegative
     71 Same as: -mep -mprolog-function.
     72 
     73 mtda=
     74 Target RejectNegative Joined UInteger
     75 Set the max size of data eligible for the TDA area.
     76 
     77 mtda-
     78 Target RejectNegative Joined Undocumented Alias(mtda=)
     79 
     80 mno-strict-align
     81 Target Mask(NO_STRICT_ALIGN)
     82 Do not enforce strict alignment.
     83 
     84 mjump-tables-in-data-section
     85 Target Mask(JUMP_TABLES_IN_DATA_SECTION)
     86 Put jump tables for switch statements into the .data section rather than the .code section.
     87 
     88 mUS-bit-set
     89 Target Mask(US_BIT_SET)
     90 
     91 mv850
     92 Target RejectNegative Mask(V850)
     93 Compile for the v850 processor.
     94 
     95 mv850e
     96 Target RejectNegative Mask(V850E)
     97 Compile for the v850e processor.
     98 
     99 mv850e1
    100 Target RejectNegative Mask(V850E1)
    101 Compile for the v850e1 processor.
    102 
    103 mv850es
    104 Target RejectNegative Mask(V850E1)
    105 Compile for the v850es variant of the v850e1.
    106 
    107 mv850e2
    108 Target RejectNegative Mask(V850E2)
    109 Compile for the v850e2 processor.
    110 
    111 mv850e2v3
    112 Target RejectNegative Mask(V850E2V3)
    113 Compile for the v850e2v3 processor.
    114 
    115 mv850e3v5
    116 Target RejectNegative Mask(V850E3V5)
    117 Compile for the v850e3v5 processor.
    118 
    119 mv850e2v4
    120 Target RejectNegative Mask(V850E3V5) MaskExists
    121 
    122 mloop
    123 Target Mask(LOOP)
    124 Enable v850e3v5 loop instructions.
    125 
    126 mzda=
    127 Target RejectNegative Joined UInteger
    128 Set the max size of data eligible for the ZDA area.
    129 
    130 mzda-
    131 Target RejectNegative Joined Undocumented Alias(mzda=)
    132 
    133 mrelax
    134 Target Mask(RELAX)
    135 Enable relaxing in the assembler.
    136 
    137 mlong-jumps
    138 Target Mask(BIG_SWITCH) MaskExists
    139 Prohibit PC relative jumps.
    140 
    141 msoft-float
    142 Target RejectNegative Mask(SOFT_FLOAT)
    143 Inhibit the use of hardware floating point instructions.
    144 
    145 mhard-float
    146 Target RejectNegative InverseMask(SOFT_FLOAT) MaskExists
    147 Allow the use of hardware floating point instructions for V850E2V3 and up.
    148 
    149 mrh850-abi
    150 Target RejectNegative InverseMask(GCC_ABI) MaskExists
    151 Enable support for the RH850 ABI.  This is the default.
    152 
    153 mgcc-abi
    154 Target RejectNegative Mask(GCC_ABI)
    155 Enable support for the old GCC ABI.
    156 
    157 m8byte-align
    158 Target Mask(8BYTE_ALIGN)
    159 Support alignments of up to 64-bits.
    160