package/develop/gcc/no-unsafe-Ofast-math.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/gcc/no-unsafe-Ofast-math.patch
   3 # Copyright (C) 2022 - 2023 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 --- gcc-12.2.0/gcc/opts.cc.orig 2022-08-19 10:09:52.952667233 +0200
  15 +++ gcc-12.2.0/gcc/opts.cc      2022-09-09 22:50:36.935305362 +0200
  16 @@ -688,7 +688,7 @@
  17      { OPT_LEVELS_3_PLUS, OPT__param_max_inline_insns_single_, NULL, 200 },
  18
  19      /* -Ofast adds optimizations to -O3.  */
  20 -    { OPT_LEVELS_FAST, OPT_ffast_math, NULL, 1 },
  21 +    { OPT_LEVELS_FAST, OPT_ffast_math, NULL, -1 },
  22      { OPT_LEVELS_FAST, OPT_fallow_store_data_races, NULL, 1 },
  23      { OPT_LEVELS_FAST, OPT_fsemantic_interposition, NULL, 0 },
  24
  25 @@ -3238,14 +3238,14 @@
  26  {
  27    if (!opts->frontend_set_flag_unsafe_math_optimizations)
  28      {
  29 -      opts->x_flag_unsafe_math_optimizations = set;
  30 +      opts->x_flag_unsafe_math_optimizations = set; // or not?
  31        set_unsafe_math_optimizations_flags (opts, set);
  32      }
  33    if (!opts->frontend_set_flag_finite_math_only)
  34      opts->x_flag_finite_math_only = set;
  35    if (!opts->frontend_set_flag_errno_math)
  36      opts->x_flag_errno_math = !set;
  37 -  if (set)
  38 +  if (set == 1)
  39      {
  40        if (opts->frontend_set_flag_excess_precision == EXCESS_PRECISION_DEFAULT)
  41         opts->x_flag_excess_precision
  42 --- gcc-12.2.0/gcc/config/sparc/linux.h.vanilla 2022-09-08 15:50:03.197010229 +0200
  43 +++ gcc-12.2.0/gcc/config/sparc/linux.h 2022-09-08 15:52:18.674017219 +0200
  44 @@ -30,7 +30,7 @@
  45  #undef  ENDFILE_SPEC
  46  #define ENDFILE_SPEC \
  47    GNU_USER_TARGET_ENDFILE_SPEC \
  48 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
  49 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
  50
  51  /* -mcpu=native handling only makes sense with compiler running on
  52     a SPARC chip.  */
  53 --- gcc-12.2.0/gcc/config/sparc/freebsd.h.vanilla       2022-09-08 15:50:03.194010229 +0200
  54 +++ gcc-12.2.0/gcc/config/sparc/freebsd.h       2022-09-08 15:52:18.674017219 +0200
  55 @@ -133,7 +133,7 @@
  56
  57  #undef ENDFILE_SPEC
  58  #define ENDFILE_SPEC                                           \
  59 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} " \
  60 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "       \
  61    FBSD_ENDFILE_SPEC
  62
  63  /* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
  64 --- gcc-12.2.0/gcc/config/sparc/sp64-elf.h.vanilla      2022-09-08 15:50:03.191010229 +0200
  65 +++ gcc-12.2.0/gcc/config/sparc/sp64-elf.h      2022-09-08 15:52:18.675017219 +0200
  66 @@ -44,7 +44,7 @@
  67
  68  #undef ENDFILE_SPEC
  69  #define ENDFILE_SPEC \
  70 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
  71 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
  72     crtend.o%s crtn.o%s"
  73
  74  /* Use the default (for now).  */
  75 --- gcc-12.2.0/gcc/config/sparc/sp-elf.h.vanilla        2022-09-08 15:50:03.188010229 +0200
  76 +++ gcc-12.2.0/gcc/config/sparc/sp-elf.h        2022-09-08 15:52:18.675017219 +0200
  77 @@ -32,7 +32,7 @@
  78
  79  #undef ENDFILE_SPEC
  80  #define ENDFILE_SPEC \
  81 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
  82 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
  83     crtend.o%s crtn.o%s"
  84
  85  /* Don't set the target flags, this is done by the linker script */
  86 --- gcc-12.2.0/gcc/config/sparc/linux64.h.vanilla       2022-09-08 15:50:03.185010229 +0200
  87 +++ gcc-12.2.0/gcc/config/sparc/linux64.h       2022-09-08 15:52:18.674017219 +0200
  88 @@ -47,7 +47,7 @@
  89  #undef ENDFILE_SPEC
  90  #define ENDFILE_SPEC \
  91    GNU_USER_TARGET_ENDFILE_SPEC \
  92 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
  93 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
  94
  95  /* The default code model.  */
  96  #undef SPARC_DEFAULT_CMODEL
  97 --- gcc-12.2.0/gcc/config/alpha/linux.h.vanilla 2022-09-08 15:50:03.200010230 +0200
  98 +++ gcc-12.2.0/gcc/config/alpha/linux.h 2022-09-08 15:52:18.649017217 +0200
  99 @@ -106,7 +106,7 @@
 100
 101  #undef ENDFILE_SPEC
 102  #define ENDFILE_SPEC \
 103 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
 104 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
 105     %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 106
 107  #define LINK_GCC_C_SEQUENCE_SPEC \
 108 --- gcc-12.2.0/gcc/config/loongarch/gnu-user.h.vanilla  2022-09-08 15:50:03.203010230 +0200
 109 +++ gcc-12.2.0/gcc/config/loongarch/gnu-user.h  2022-09-08 15:52:18.667017218 +0200
 110 @@ -47,7 +47,7 @@
 111  /* Similar to standard Linux, but adding -ffast-math support.  */
 112  #undef GNU_USER_TARGET_MATHFILE_SPEC
 113  #define GNU_USER_TARGET_MATHFILE_SPEC \
 114 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 115 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 116
 117  #undef LIB_SPEC
 118  #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
 119 --- gcc-12.2.0/gcc/config/arm/linux-eabi.h.vanilla      2022-09-08 15:50:03.209010230 +0200
 120 +++ gcc-12.2.0/gcc/config/arm/linux-eabi.h      2022-09-08 15:52:18.656017218 +0200
 121 @@ -124,7 +124,7 @@
 122
 123  #undef ENDFILE_SPEC
 124  #define ENDFILE_SPEC \
 125 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} " \
 126 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "       \
 127    LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
 128
 129  /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
 130 --- gcc-12.2.0/gcc/config/arm/unknown-elf.h.vanilla     2022-09-08 15:50:03.206010230 +0200
 131 +++ gcc-12.2.0/gcc/config/arm/unknown-elf.h     2022-09-08 15:52:18.656017218 +0200
 132 @@ -33,7 +33,7 @@
 133
 134  #undef  STARTFILE_SPEC
 135  #define STARTFILE_SPEC \
 136 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} " \
 137 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "       \
 138    UNKNOWN_ELF_STARTFILE_SPEC
 139
 140  #define UNKNOWN_ELF_ENDFILE_SPEC       "crtend%O%s crtn%O%s"
 141 --- gcc-12.2.0/gcc/config/ia64/linux.h.vanilla  2022-09-08 15:50:03.212010230 +0200
 142 +++ gcc-12.2.0/gcc/config/ia64/linux.h  2022-09-08 15:52:18.667017218 +0200
 143 @@ -49,7 +49,7 @@
 144  /* Similar to standard Linux, but adding -ffast-math support.  */
 145  #undef  ENDFILE_SPEC
 146  #define ENDFILE_SPEC \
 147 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
 148 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
 149     %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 150
 151  /* Define this for shared library support because it isn't in the main
 152 --- gcc-12.2.0/gcc/config/aarch64/aarch64-elf-raw.h.vanilla     2022-09-08 15:50:03.220010231 +0200
 153 +++ gcc-12.2.0/gcc/config/aarch64/aarch64-elf-raw.h     2022-09-08 15:52:18.645017217 +0200
 154 @@ -25,7 +25,7 @@
 155  #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
 156  #define ENDFILE_SPEC \
 157    " crtend%O%s crtn%O%s " \
 158 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 159 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 160
 161  #ifndef LINK_SPEC
 162  #define LINK_SPEC "%{h*}                       \
 163 --- gcc-12.2.0/gcc/config/aarch64/aarch64-freebsd.h.vanilla     2022-09-08 15:50:03.218010231 +0200
 164 +++ gcc-12.2.0/gcc/config/aarch64/aarch64-freebsd.h     2022-09-08 15:52:18.646017217 +0200
 165 @@ -50,7 +50,7 @@
 166  #define LINK_SPEC FBSD_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
 167
 168  #define GNU_USER_TARGET_MATHFILE_SPEC \
 169 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 170 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 171
 172  #undef ENDFILE_SPEC
 173  #define ENDFILE_SPEC \
 174 --- gcc-12.2.0/gcc/config/aarch64/aarch64-linux.h.vanilla       2022-09-08 15:50:03.215010230 +0200
 175 +++ gcc-12.2.0/gcc/config/aarch64/aarch64-linux.h       2022-09-08 15:52:18.646017217 +0200
 176 @@ -50,7 +50,7 @@
 177  #define LINK_SPEC LINUX_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
 178
 179  #define GNU_USER_TARGET_MATHFILE_SPEC \
 180 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 181 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 182
 183  #undef ENDFILE_SPEC
 184  #define ENDFILE_SPEC   \
 185 --- gcc-12.2.0/gcc/config/mips/gnu-user.h.vanilla       2022-09-08 15:50:03.238010232 +0200
 186 +++ gcc-12.2.0/gcc/config/mips/gnu-user.h       2022-09-08 15:52:18.668017218 +0200
 187 @@ -139,7 +139,7 @@
 188  /* Similar to standard Linux, but adding -ffast-math support.  */
 189  #undef GNU_USER_TARGET_MATHFILE_SPEC
 190  #define GNU_USER_TARGET_MATHFILE_SPEC \
 191 -  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 192 +  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 193  #undef  ENDFILE_SPEC
 194  #define ENDFILE_SPEC \
 195    GNU_USER_TARGET_MATHFILE_SPEC " " \