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vlc-2-2
Commit 88118cb5 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Cover clobber list and compiler flags when checking x86 inline assembly

parent 91c2e63a
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Showing with 120 additions and 47 deletions
configure.ac
View file @ 88118cb5
......@@ -1202,11 +1202,18 @@ AS_IF([test "${enable_mmx}" != "no"], [
[Define to 1 if MMX intrinsics are available.])
])
AC_CACHE_CHECK([if $CC groks MMX inline assembly],
[ac_cv_mmx_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("packuswb %%mm1,%%mm2"::"r"(p));],
ac_cv_mmx_inline=yes, ac_cv_mmx_inline=no)])
AC_CACHE_CHECK([if $CC groks MMX inline assembly], [ac_cv_mmx_inline], [
CFLAGS="${CFLAGS_save} -mmmx"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("packuswb %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_mmx_inline=yes
], [
ac_cv_mmx_inline=no
])
])
AS_IF([test "${ac_cv_mmx_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMX, 1,
[Define to 1 inline MMX assembly is available.])
......@@ -1214,10 +1221,18 @@ AS_IF([test "${enable_mmx}" != "no"], [
])
AC_CACHE_CHECK([if $CC groks MMX EXT inline assembly],
[ac_cv_mmxext_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("maskmovq %%mm1,%%mm2"::"r"(p));],
ac_cv_mmxext_inline=yes, ac_cv_mmxext_inline=no)])
[ac_cv_mmxext_inline], [
CFLAGS="${CFLAGS_save} -mmmx"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("maskmovq %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_mmxext_inline=yes
], [
ac_cv_mmxext_inline=no
])
])
AS_IF([test "${ac_cv_mmxext_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMXEXT, 1,
[Define to 1 if MMX EXT inline assembly is available.])
......@@ -1268,21 +1283,35 @@ AS_IF([test "${enable_sse}" != "no"], [
[Define to 1 if SSE2 intrinsics are available.])
])
AC_CACHE_CHECK([if $CC groks SSE inline assembly],
[ac_cv_sse_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("xorps %%xmm1,%%xmm2"::"r"(p));],
ac_cv_sse_inline=yes, ac_cv_sse_inline=no)])
AC_CACHE_CHECK([if $CC groks SSE inline assembly], [ac_cv_sse_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("xorps %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
]])
], [
ac_cv_sse_inline=yes
], [
ac_cv_sse_inline=no
])
])
AS_IF([test "${ac_cv_sse_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE, 1,
[Define to 1 if SSE inline assembly is available.])
])
AC_CACHE_CHECK([if $CC groks SSE2 inline assembly],
[ac_cv_sse2_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("punpckhqdq %%xmm1,%%xmm2"::"r"(p));],
ac_cv_sse2_inline=yes, ac_cv_sse2_inline=no)])
AC_CACHE_CHECK([if $CC groks SSE2 inline assembly], [ac_cv_sse2_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("punpckhqdq %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
]])
], [
ac_cv_sse2_inline=yes
], [
ac_cv_sse2_inline=no
])
])
AS_IF([test "${ac_cv_sse2_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE2, 1,
[Define to 1 if SSE2 inline assembly is available.])
......@@ -1290,50 +1319,87 @@ AS_IF([test "${enable_sse}" != "no"], [
])
# SSE3
AC_CACHE_CHECK([if $CC groks SSE3 inline assembly],
[ac_cv_sse3_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("movsldup %%xmm1,%%xmm0"::"r"(p));],
ac_cv_sse3_inline=yes, ac_cv_sse3_inline=no)])
AC_CACHE_CHECK([if $CC groks SSE3 inline assembly], [ac_cv_sse3_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("movsldup %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse3_inline=yes
], [
ac_cv_sse3_inline=no
])
])
AS_IF([test "${ac_cv_sse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE3, 1,
[Define to 1 if SSE3 inline assembly is available.]) ])
# SSSE3
AC_CACHE_CHECK([if $CC groks SSSE3 inline assembly],
[ac_cv_ssse3_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("pabsw %%xmm0,%%xmm0"::"r"(p));],
ac_cv_ssse3_inline=yes, ac_cv_ssse3_inline=no)])
AC_CACHE_CHECK([if $CC groks SSSE3 inline assembly], [ac_cv_ssse3_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pabsw %%xmm0,%%xmm0"::"r"(p):"xmm0");
]])
], [
ac_cv_ssse3_inline=yes
], [
ac_cv_ssse3_inline=no
])
])
AS_IF([test "${ac_cv_ssse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSSE3, 1,
[Define to 1 if SSSE3 inline assembly is available.]) ])
# SSE4.1
AC_CACHE_CHECK([if $CC groks SSE4.1 inline assembly],
[ac_cv_sse4_1_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("pmaxsb %%xmm1,%%xmm0"::"r"(p));],
ac_cv_sse4_1_inline=yes, ac_cv_sse4_1_inline=no)])
[ac_cv_sse4_1_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pmaxsb %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4_1_inline=yes
], [
ac_cv_sse4_1_inline=no
])
])
AS_IF([test "${ac_cv_sse4_1_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_1, 1,
[Define to 1 if SSE4_1 inline assembly is available.]) ])
# SSE4.2
AC_CACHE_CHECK([if $CC groks SSE4.2 inline assembly],
[ac_cv_sse4_2_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("pcmpgtq %%xmm1,%%xmm0"::"r"(p));],
ac_cv_sse4_2_inline=yes, ac_cv_sse4_2_inline=no)])
[ac_cv_sse4_2_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pcmpgtq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4_2_inline=yes
], [
ac_cv_sse4_2_inline=no
])
])
AS_IF([test "${ac_cv_sse4_2_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_2, 1,
[Define to 1 if SSE4_2 inline assembly is available.]) ])
# SSE4A
AC_CACHE_CHECK([if $CC groks SSE4A inline assembly],
[ac_cv_sse4a_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("insertq %%xmm1,%%xmm0"::"r"(p));],
ac_cv_sse4a_inline=yes, ac_cv_sse4a_inline=no)])
AC_CACHE_CHECK([if $CC groks SSE4A inline assembly], [ac_cv_sse4a_inline], [
CFLAGS="${CFLAGS_save} -msse"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("insertq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4a_inline=yes
], [
ac_cv_sse4a_inline=no
])
])
AS_IF([test "${ac_cv_sse4a_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4A, 1,
[Define to 1 if SSE4A inline assembly is available.]) ])
......@@ -1341,11 +1407,18 @@ AS_IF([test "${enable_sse}" != "no"], [
AM_CONDITIONAL([HAVE_SSE2], [test "$have_sse2" = "yes"])
have_3dnow="no"
AC_CACHE_CHECK([if $CC groks 3D Now! inline assembly],
[ac_cv_3dnow_inline],
[CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE(,[void *p;asm volatile("pfadd %%mm1,%%mm2"::"r"(p));],
ac_cv_3dnow_inline=yes, ac_cv_3dnow_inline=no)])
AC_CACHE_CHECK([if $CC groks 3D Now! inline assembly], [ac_cv_3dnow_inline], [
CFLAGS="${CFLAGS_save} -mmmx"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pfadd %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_3dnow_inline=yes
], [
ac_cv_3dnow_inline=no
])
])
AS_IF([test "${ac_cv_3dnow_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_3DNOW, 1,
[Define to 1 if 3D Now! inline assembly is available.])
......
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