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Commit 046a06bd authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Fix CFLAGS for optimizations and SIMD 

This should really be cleaned up...
parent 1afe2b7a
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Showing with 68 additions and 47 deletions
configure.ac
View file @ 046a06bd
......@@ -1180,23 +1180,27 @@ have_mmxext="no"
AS_IF([test "${enable_mmx}" != "no"], [
ARCH="${ARCH} mmx"
AC_CACHE_CHECK([if $CC groks MMX intrinsics],
[ac_cv_c_mmx_intrinsics],
[CFLAGS="${CFLAGS_save} -O -mmmx"
AC_TRY_COMPILE([#include <mmintrin.h>
#include <stdint.h>
uint64_t frobzor;],
[__m64 a, b, c;
a = b = c = (__m64)frobzor;
a = _mm_slli_pi16(a, 3);
a = _mm_adds_pi16(a, b);
c = _mm_srli_pi16(c, 8);
c = _mm_slli_pi16(c, 3);
b = _mm_adds_pi16(b, c);
a = _mm_unpacklo_pi8(a, b);
frobzor = (uint64_t)a;],
[ac_cv_c_mmx_intrinsics=yes],
[ac_cv_c_mmx_intrinsics=no])])
AC_CACHE_CHECK([if $CC groks MMX intrinsics], [ac_cv_c_mmx_intrinsics], [
CFLAGS="${CFLAGS_save} -O -mmmx"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <mmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m64 a, b, c;
a = b = c = (__m64)frobzor;
a = _mm_slli_pi16(a, 3);
a = _mm_adds_pi16(a, b);
c = _mm_srli_pi16(c, 8);
c = _mm_slli_pi16(c, 3);
b = _mm_adds_pi16(b, c);
a = _mm_unpacklo_pi8(a, b);
frobzor = (uint64_t)a;]])], [
ac_cv_c_mmx_intrinsics=yes
], [
ac_cv_c_mmx_intrinsics=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_c_mmx_intrinsics}" != "no"], [
AC_DEFINE(HAVE_MMX_INTRINSICS, 1,
[Define to 1 if MMX intrinsics are available.])
......@@ -1213,6 +1217,7 @@ asm volatile("packuswb %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
], [
ac_cv_mmx_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_mmx_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMX, 1,
......@@ -1232,6 +1237,7 @@ asm volatile("maskmovq %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
], [
ac_cv_mmxext_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_mmxext_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMXEXT, 1,
......@@ -1261,23 +1267,27 @@ have_sse2="no"
AS_IF([test "${enable_sse}" != "no"], [
ARCH="${ARCH} sse sse2"
AC_CACHE_CHECK([if $CC groks SSE2 intrinsics],
[ac_cv_c_sse2_intrinsics],
[CFLAGS="${CFLAGS_save} -O -msse2"
AC_TRY_COMPILE([#include <emmintrin.h>
#include <stdint.h>
uint64_t frobzor;],
[__m128i a, b, c;
a = b = c = _mm_set1_epi64((__m64)frobzor);
a = _mm_slli_epi16(a, 3);
a = _mm_adds_epi16(a, b);
c = _mm_srli_epi16(c, 8);
c = _mm_slli_epi16(c, 3);
b = _mm_adds_epi16(b, c);
a = _mm_unpacklo_epi8(a, b);
frobzor = (uint64_t)_mm_movepi64_pi64(a);],
[ac_cv_c_sse2_intrinsics=yes],
[ac_cv_c_sse2_intrinsics=no])])
AC_CACHE_CHECK([if $CC groks SSE2 intrinsics], [ac_cv_c_sse2_intrinsics], [
CFLAGS="${CFLAGS_save} -O -msse2"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <emmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m128i a, b, c;
a = b = c = _mm_set1_epi64((__m64)frobzor);
a = _mm_slli_epi16(a, 3);
a = _mm_adds_epi16(a, b);
c = _mm_srli_epi16(c, 8);
c = _mm_slli_epi16(c, 3);
b = _mm_adds_epi16(b, c);
a = _mm_unpacklo_epi8(a, b);
frobzor = (uint64_t)_mm_movepi64_pi64(a);]])], [
ac_cv_c_sse2_intrinsics=yes
], [
ac_cv_c_sse2_intrinsics=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_c_sse2_intrinsics}" != "no"], [
AC_DEFINE(HAVE_SSE2_INTRINSICS, 1,
[Define to 1 if SSE2 intrinsics are available.])
......@@ -1294,6 +1304,7 @@ asm volatile("xorps %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
], [
ac_cv_sse_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE, 1,
......@@ -1311,6 +1322,7 @@ asm volatile("punpckhqdq %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
], [
ac_cv_sse2_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse2_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE2, 1,
......@@ -1330,6 +1342,7 @@ asm volatile("movsldup %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
], [
ac_cv_sse3_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE3, 1,
......@@ -1346,6 +1359,7 @@ asm volatile("pabsw %%xmm0,%%xmm0"::"r"(p):"xmm0");
], [
ac_cv_ssse3_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_ssse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSSE3, 1,
......@@ -1364,6 +1378,7 @@ asm volatile("pmaxsb %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
], [
ac_cv_sse4_1_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse4_1_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_1, 1,
......@@ -1382,6 +1397,7 @@ asm volatile("pcmpgtq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
], [
ac_cv_sse4_2_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse4_2_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_2, 1,
......@@ -1399,6 +1415,7 @@ asm volatile("insertq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
], [
ac_cv_sse4a_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_sse4a_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4A, 1,
......@@ -1418,6 +1435,7 @@ asm volatile("pfadd %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
], [
ac_cv_3dnow_inline=no
])
CFLAGS="${CFLAGS_save}"
])
AS_IF([test "${ac_cv_3dnow_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_3DNOW, 1,
......@@ -1587,19 +1605,22 @@ else
fi
dnl NOTE: this can't be cached cleanly
AS_IF([test "${CFLAGS_TUNING}"],
[CFLAGS_save="${CFLAGS}"
CFLAGS="${CFLAGS} ${CFLAGS_TUNING}"
AC_MSG_CHECKING([whether $CC accepts ${CFLAGS_TUNING}])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
[tuning="yes"],
[CFLAGS_TUNING=""; tuning="no"
AS_IF([test "${with_tuning}"],
[AC_MSG_ERROR([requested tuning not supported])])])
AC_MSG_RESULT([$tuning])
CFLAGS="${CFLAGS_save}"
AS_IF([test -n "${CFLAGS_TUNING}"], [
AC_MSG_CHECKING([whether $CC accepts ${CFLAGS_TUNING}])
CFLAGS="${CFLAGS_save} ${CFLAGS_TUNING}"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([])], [
tuning="yes"
], [
CFLAGS_TUNING=""; tuning="no"
AS_IF([test "${with_tuning}"], [
AC_MSG_ERROR([requested tuning not supported])
])
])
CFLAGS="${CFLAGS_save}"
AC_MSG_RESULT([$tuning])
VLC_RESTORE_FLAGS
CFLAGS="${CFLAGS} ${CFLAGS_TUNING}"
VLC_SAVE_FLAGS
])
dnl
......
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