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build system: disable 3dNow! support by default

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Closes: https://github.com/libsdl-org/SDL/issues/11472.
(cherry picked from commit 51570d9257)
This commit is contained in:
Ozkan Sezer
2024-11-17 17:55:32 +03:00
parent bee8874629
commit 3ee780ce9c
4 changed files with 54 additions and 52 deletions
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2
CMakeLists.txt
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@@ -409,7 +409,7 @@ dep_option(SDL_SSE "Use SSE assembly routines" ON "SDL_ASSEMBLY;
dep_option(SDL_SSE2 "Use SSE2 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE3 "Use SSE3 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_MMX "Use MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_3DNOW "Use 3Dnow! MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_3DNOW "Use 3Dnow! MMX assembly routines" OFF "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_ALTIVEC "Use Altivec assembly routines" ON "SDL_ASSEMBLY" OFF)
dep_option(SDL_ARMSIMD "Use SIMD assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
dep_option(SDL_ARMNEON "Use NEON assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)

4
configure vendored
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@@ -1668,7 +1668,7 @@ Optional Features:
--enable-ssemath Allow GCC to use SSE floating point math
[default=maybe]
--enable-mmx use MMX assembly routines [default=yes]
--enable-3dnow use 3DNow! assembly routines [default=yes]
--enable-3dnow use 3DNow! assembly routines [default=no]
--enable-sse use SSE assembly routines [default=yes]
--enable-sse2 use SSE2 assembly routines [default=maybe]
--enable-sse3 use SSE3 assembly routines [default=maybe]
@@ -20647,7 +20647,7 @@ if test ${enable_3dnow+y}
then :
enableval=$enable_3dnow;
else $as_nop
enable_3dnow=yes
enable_3dnow=no
fi
if test x$enable_3dnow = xyes; then

4
configure.ac
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@@ -698,8 +698,8 @@ dnl Check for various instruction support
fi
AC_ARG_ENABLE(3dnow,
[AS_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [default=yes]])],
, enable_3dnow=yes)
[AS_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [default=no]])],
, enable_3dnow=no)
if test x$enable_3dnow = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_3dnow=no

2
include/SDL_cpuinfo.h
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@@ -53,9 +53,11 @@ _m_prefetch(void *__P)
#ifndef __MMX__
#define __MMX__
#endif
/*
#ifndef __3dNOW__
#define __3dNOW__
#endif
*/
#endif
#ifndef __SSE__
#define __SSE__