gcc/config/m32r/m32r.opt

   1 ; Options for the Renesas M32R port of the compiler.
   2
   3 ; Copyright (C) 2005-2024 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/m32r/m32r-opts.h
  23
  24 ; Selected code model.
  25 Variable
  26 enum m32r_model m32r_model_selected = M32R_MODEL_DEFAULT
  27
  28 ; Selected SDA support.
  29 Variable
  30 enum m32r_sdata m32r_sdata_selected = M32R_SDATA_DEFAULT
  31
  32 m32rx
  33 Target RejectNegative Mask(M32RX)
  34 Compile for the m32rx.
  35
  36 m32r2
  37 Target RejectNegative Mask(M32R2)
  38 Compile for the m32r2.
  39
  40 m32r
  41 Target RejectNegative
  42 Compile for the m32r.
  43
  44 malign-loops
  45 Target Mask(ALIGN_LOOPS)
  46 Align all loops to 32 byte boundary.
  47
  48 mbranch-cost=1
  49 Target RejectNegative Mask(BRANCH_COST)
  50 Prefer branches over conditional execution.
  51
  52 mbranch-cost=2
  53 Target RejectNegative InverseMask(BRANCH_COST)
  54 Give branches their default cost.
  55
  56 mdebug
  57 Target Mask(DEBUG)
  58 Display compile time statistics.
  59
  60 mflush-func=
  61 Target RejectNegative Joined Var(m32r_cache_flush_func) Init(CACHE_FLUSH_FUNC)
  62 Specify cache flush function.
  63
  64 mflush-trap=
  65 Target RejectNegative Joined UInteger Var(m32r_cache_flush_trap) Init(CACHE_FLUSH_TRAP)
  66 Specify cache flush trap number.
  67
  68 missue-rate=1
  69 Target RejectNegative Mask(LOW_ISSUE_RATE)
  70 Only issue one instruction per cycle.
  71
  72 missue-rate=2
  73 Target RejectNegative InverseMask(LOW_ISSUE_RATE)
  74 Allow two instructions to be issued per cycle.
  75
  76 mmodel=
  77 Target RejectNegative Joined Enum(m32r_model) Var(m32r_model_selected)
  78 Code size: small, medium or large.
  79
  80 Enum
  81 Name(m32r_model) Type(enum m32r_model)
  82
  83 EnumValue
  84 Enum(m32r_model) String(small) Value(M32R_MODEL_SMALL)
  85
  86 EnumValue
  87 Enum(m32r_model) String(medium) Value(M32R_MODEL_MEDIUM)
  88
  89 EnumValue
  90 Enum(m32r_model) String(large) Value(M32R_MODEL_LARGE)
  91
  92 mno-flush-func
  93 Target RejectNegative
  94 Don't call any cache flush functions.
  95
  96 mno-flush-trap
  97 Target RejectNegative Var(m32r_cache_flush_trap, -1)
  98 Don't call any cache flush trap.
  99
 100 ; mrelax
 101 ; Target Mask(RELAX)
 102
 103 msdata=
 104 Target RejectNegative Joined Enum(m32r_sdata) Var(m32r_sdata_selected)
 105 Small data area: none, sdata, use.
 106
 107 Enum
 108 Name(m32r_sdata) Type(enum m32r_sdata)
 109
 110 EnumValue
 111 Enum(m32r_sdata) String(none) Value(M32R_SDATA_NONE)
 112
 113 EnumValue
 114 Enum(m32r_sdata) String(sdata) Value(M32R_SDATA_SDATA)
 115
 116 EnumValue
 117 Enum(m32r_sdata) String(use) Value(M32R_SDATA_USE)