# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/gcc/no-unsafe-Ofast-math.patch
# Copyright (C) 2022 - 2023 The T2 SDE Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# more information can be found in the files COPYING and README.
# 
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License version 2 as used by the T2 SDE.
# --- T2-COPYRIGHT-NOTE-END ---

--- gcc-12.2.0/gcc/opts.cc.orig	2022-08-19 10:09:52.952667233 +0200
+++ gcc-12.2.0/gcc/opts.cc	2022-09-09 22:50:36.935305362 +0200
@@ -688,7 +688,7 @@
     { OPT_LEVELS_3_PLUS, OPT__param_max_inline_insns_single_, NULL, 200 },
 
     /* -Ofast adds optimizations to -O3.  */
-    { OPT_LEVELS_FAST, OPT_ffast_math, NULL, 1 },
+    { OPT_LEVELS_FAST, OPT_ffast_math, NULL, -1 },
     { OPT_LEVELS_FAST, OPT_fallow_store_data_races, NULL, 1 },
     { OPT_LEVELS_FAST, OPT_fsemantic_interposition, NULL, 0 },
 
@@ -3238,14 +3238,14 @@
 {
   if (!opts->frontend_set_flag_unsafe_math_optimizations)
     {
-      opts->x_flag_unsafe_math_optimizations = set;
+      opts->x_flag_unsafe_math_optimizations = set; // or not?
       set_unsafe_math_optimizations_flags (opts, set);
     }
   if (!opts->frontend_set_flag_finite_math_only)
     opts->x_flag_finite_math_only = set;
   if (!opts->frontend_set_flag_errno_math)
     opts->x_flag_errno_math = !set;
-  if (set)
+  if (set == 1)
     {
       if (opts->frontend_set_flag_excess_precision == EXCESS_PRECISION_DEFAULT)
 	opts->x_flag_excess_precision
--- gcc-12.2.0/gcc/config/sparc/linux.h.vanilla	2022-09-08 15:50:03.197010229 +0200
+++ gcc-12.2.0/gcc/config/sparc/linux.h	2022-09-08 15:52:18.674017219 +0200
@@ -30,7 +30,7 @@
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
   GNU_USER_TARGET_ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 /* -mcpu=native handling only makes sense with compiler running on
    a SPARC chip.  */
--- gcc-12.2.0/gcc/config/sparc/freebsd.h.vanilla	2022-09-08 15:50:03.194010229 +0200
+++ gcc-12.2.0/gcc/config/sparc/freebsd.h	2022-09-08 15:52:18.674017219 +0200
@@ -133,7 +133,7 @@
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC						\
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
   FBSD_ENDFILE_SPEC
 
 /* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
--- gcc-12.2.0/gcc/config/sparc/sp64-elf.h.vanilla	2022-09-08 15:50:03.191010229 +0200
+++ gcc-12.2.0/gcc/config/sparc/sp64-elf.h	2022-09-08 15:52:18.675017219 +0200
@@ -44,7 +44,7 @@
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
    crtend.o%s crtn.o%s"
 
 /* Use the default (for now).  */
--- gcc-12.2.0/gcc/config/sparc/sp-elf.h.vanilla	2022-09-08 15:50:03.188010229 +0200
+++ gcc-12.2.0/gcc/config/sparc/sp-elf.h	2022-09-08 15:52:18.675017219 +0200
@@ -32,7 +32,7 @@
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
    crtend.o%s crtn.o%s"
 
 /* Don't set the target flags, this is done by the linker script */
--- gcc-12.2.0/gcc/config/sparc/linux64.h.vanilla	2022-09-08 15:50:03.185010229 +0200
+++ gcc-12.2.0/gcc/config/sparc/linux64.h	2022-09-08 15:52:18.674017219 +0200
@@ -47,7 +47,7 @@
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
   GNU_USER_TARGET_ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 /* The default code model.  */
 #undef SPARC_DEFAULT_CMODEL
--- gcc-12.2.0/gcc/config/alpha/linux.h.vanilla	2022-09-08 15:50:03.200010230 +0200
+++ gcc-12.2.0/gcc/config/alpha/linux.h	2022-09-08 15:52:18.649017217 +0200
@@ -106,7 +106,7 @@
 
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
    %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 #define LINK_GCC_C_SEQUENCE_SPEC \
--- gcc-12.2.0/gcc/config/loongarch/gnu-user.h.vanilla	2022-09-08 15:50:03.203010230 +0200
+++ gcc-12.2.0/gcc/config/loongarch/gnu-user.h	2022-09-08 15:52:18.667017218 +0200
@@ -47,7 +47,7 @@
 /* Similar to standard Linux, but adding -ffast-math support.  */
 #undef GNU_USER_TARGET_MATHFILE_SPEC
 #define GNU_USER_TARGET_MATHFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 #undef LIB_SPEC
 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
--- gcc-12.2.0/gcc/config/arm/linux-eabi.h.vanilla	2022-09-08 15:50:03.209010230 +0200
+++ gcc-12.2.0/gcc/config/arm/linux-eabi.h	2022-09-08 15:52:18.656017218 +0200
@@ -124,7 +124,7 @@
 
 #undef	ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
   LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
 
 /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
--- gcc-12.2.0/gcc/config/arm/unknown-elf.h.vanilla	2022-09-08 15:50:03.206010230 +0200
+++ gcc-12.2.0/gcc/config/arm/unknown-elf.h	2022-09-08 15:52:18.656017218 +0200
@@ -33,7 +33,7 @@
 
 #undef  STARTFILE_SPEC
 #define STARTFILE_SPEC	\
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} "	\
   UNKNOWN_ELF_STARTFILE_SPEC
 
 #define UNKNOWN_ELF_ENDFILE_SPEC	"crtend%O%s crtn%O%s"
--- gcc-12.2.0/gcc/config/ia64/linux.h.vanilla	2022-09-08 15:50:03.212010230 +0200
+++ gcc-12.2.0/gcc/config/ia64/linux.h	2022-09-08 15:52:18.667017218 +0200
@@ -49,7 +49,7 @@
 /* Similar to standard Linux, but adding -ffast-math support.  */
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} \
    %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
 
 /* Define this for shared library support because it isn't in the main
--- gcc-12.2.0/gcc/config/aarch64/aarch64-elf-raw.h.vanilla	2022-09-08 15:50:03.220010231 +0200
+++ gcc-12.2.0/gcc/config/aarch64/aarch64-elf-raw.h	2022-09-08 15:52:18.645017217 +0200
@@ -25,7 +25,7 @@
 #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
 #define ENDFILE_SPEC \
   " crtend%O%s crtn%O%s " \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 #ifndef LINK_SPEC
 #define LINK_SPEC "%{h*}			\
--- gcc-12.2.0/gcc/config/aarch64/aarch64-freebsd.h.vanilla	2022-09-08 15:50:03.218010231 +0200
+++ gcc-12.2.0/gcc/config/aarch64/aarch64-freebsd.h	2022-09-08 15:52:18.646017217 +0200
@@ -50,7 +50,7 @@
 #define LINK_SPEC FBSD_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
 
 #define GNU_USER_TARGET_MATHFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC \
--- gcc-12.2.0/gcc/config/aarch64/aarch64-linux.h.vanilla	2022-09-08 15:50:03.215010230 +0200
+++ gcc-12.2.0/gcc/config/aarch64/aarch64-linux.h	2022-09-08 15:52:18.646017217 +0200
@@ -50,7 +50,7 @@
 #define LINK_SPEC LINUX_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
 
 #define GNU_USER_TARGET_MATHFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC   \
--- gcc-12.2.0/gcc/config/mips/gnu-user.h.vanilla	2022-09-08 15:50:03.238010232 +0200
+++ gcc-12.2.0/gcc/config/mips/gnu-user.h	2022-09-08 15:52:18.668017218 +0200
@@ -139,7 +139,7 @@
 /* Similar to standard Linux, but adding -ffast-math support.  */
 #undef	GNU_USER_TARGET_MATHFILE_SPEC
 #define GNU_USER_TARGET_MATHFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
+  "%{ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
 #undef  ENDFILE_SPEC
 #define ENDFILE_SPEC \
   GNU_USER_TARGET_MATHFILE_SPEC " " \