diff --git a/configure b/configure
index 0891a0a4e45b3aaaa78d219026f6a9e1c02557f5..17a60664b430d3d0b8fde81d4d84180e2232551d 100755
--- a/configure
+++ b/configure
@@ -468,6 +468,7 @@ pthreads="no"
swscaler="no"
gpl="no"
memalignhack="no"
+asmalign_pot="unknown"
# OS specific
targetos=`uname -s`
@@ -1469,6 +1470,12 @@ if test "$gprof" = "yes" ; then
LDFLAGS="$LDFLAGS -p"
fi
+# find if .align arg is power-of-two or not
+if test $asmalign_pot = "unknown"; then
+ asmalign_pot="no"
+ echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
+fi
+
echo "install prefix $PREFIX"
echo "source path $source_path"
echo "C compiler $cc"
@@ -1535,6 +1542,7 @@ echo "network support $network"
if test "$network" = "yes" ; then
echo "IPv6 support $ipv6"
fi
+echo ".align is power-of-two" $asmalign_pot
if test "$gpl" = "no" ; then
echo "License: LGPL"
else
@@ -2096,6 +2104,12 @@ if test "$amr_if2" = "yes" ; then
echo "AMR_CFLAGS=-DIF2=1" >> config.mak
fi
+if test "$asmalign_pot" = "yes" ; then
+ echo '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\n\t"' >> $TMPH
+else
+ echo '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\n\t"' >> $TMPH
+fi
+
for codec in $DECODER_LIST $ENCODER_LIST $PARSER_LIST $DEMUXER_LIST $MUXER_LIST; do
echo "#define CONFIG_`echo $codec | tr a-z A-Z` 1" >> $TMPH
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index 8ffa90b078e358f7a669a14aeba9341ef4b5979b..cf67ca4dda38aacf23b7e9289b386ff851d52b58 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -56,7 +56,7 @@ static const uint64_t ff_pw_15 attribute_used __attribute__ ((aligned(8))) = 0x0
static const uint64_t ff_pb_3F attribute_used __attribute__ ((aligned(8))) = 0x3F3F3F3F3F3F3F3FULL;
static const uint64_t ff_pb_FC attribute_used __attribute__ ((aligned(8))) = 0xFCFCFCFCFCFCFCFCULL;
-#define JUMPALIGN() __asm __volatile (".balign 8"::)
+#define JUMPALIGN() __asm __volatile (ASMALIGN(3)::)
#define MOVQ_ZERO(regd) __asm __volatile ("pxor %%" #regd ", %%" #regd ::)
#define MOVQ_WONE(regd) \
@@ -204,7 +204,7 @@ static void get_pixels_mmx(DCTELEM *block, const uint8_t *pixels, int line_size)
asm volatile(
"mov $-128, %%"REG_a" \n\t"
"pxor %%mm7, %%mm7 \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0), %%mm0 \n\t"
"movq (%0, %2), %%mm2 \n\t"
@@ -232,7 +232,7 @@ static inline void diff_pixels_mmx(DCTELEM *block, const uint8_t *s1, const uint
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"mov $-128, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0), %%mm0 \n\t"
"movq (%1), %%mm2 \n\t"
@@ -375,7 +375,7 @@ static void put_pixels4_mmx(uint8_t *block, const uint8_t *pixels, int line_size
{
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movd (%1), %%mm0 \n\t"
"movd (%1, %3), %%mm1 \n\t"
@@ -401,7 +401,7 @@ static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels, int line_size
{
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%1, %3), %%mm1 \n\t"
@@ -427,7 +427,7 @@ static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels, int line_siz
{
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 8(%1), %%mm4 \n\t"
diff --git a/libavcodec/i386/dsputil_mmx_avg.h b/libavcodec/i386/dsputil_mmx_avg.h
index 440c5bb9c0a532e7394d64aae287f2a26fc9fadc..8692fb048786463bbeb79798da8da7011e7392be 100644
--- a/libavcodec/i386/dsputil_mmx_avg.h
+++ b/libavcodec/i386/dsputil_mmx_avg.h
@@ -754,7 +754,7 @@ static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
PAVGB" 1(%1), %%mm0 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
"movq (%1, %3), %%mm1 \n\t"
diff --git a/libavcodec/i386/dsputil_mmx_rnd.h b/libavcodec/i386/dsputil_mmx_rnd.h
index 3ecd776b824f9f05d719e67dd208219386ccc953..1ab28f171aa6dc84c10188ec074688dda1d644e1 100644
--- a/libavcodec/i386/dsputil_mmx_rnd.h
+++ b/libavcodec/i386/dsputil_mmx_rnd.h
@@ -28,7 +28,7 @@ static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line
MOVQ_BFE(mm6);
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm1 \n\t"
@@ -69,7 +69,7 @@ static void attribute_unused DEF(put, pixels8_l2)(uint8_t *dst, uint8_t *src1, u
"movq %%mm4, (%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
@@ -110,7 +110,7 @@ static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int lin
MOVQ_BFE(mm6);
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm1 \n\t"
@@ -168,7 +168,7 @@ static void attribute_unused DEF(put, pixels16_l2)(uint8_t *dst, uint8_t *src1,
"movq %%mm5, 8(%3) \n\t"
"add %5, %3 \n\t"
"decl %0 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
@@ -206,7 +206,7 @@ static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"),%%mm2 \n\t"
@@ -246,7 +246,7 @@ static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int lin
"paddusw %%mm1, %%mm5 \n\t"
"xor %%"REG_a", %%"REG_a" \n\t"
"add %3, %1 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
@@ -458,7 +458,7 @@ static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line
__asm __volatile(
"lea (%3, %3), %%"REG_a" \n\t"
"movq (%1), %%mm0 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1, %3), %%mm1 \n\t"
"movq (%1, %%"REG_a"), %%mm2 \n\t"
@@ -509,7 +509,7 @@ static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int lin
"paddusw %%mm1, %%mm5 \n\t"
"xor %%"REG_a", %%"REG_a" \n\t"
"add %3, %1 \n\t"
- ".balign 8 \n\t"
+ ASMALIGN(3)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"REG_a"), %%mm2 \n\t"
diff --git a/libavcodec/i386/motion_est_mmx.c b/libavcodec/i386/motion_est_mmx.c
index edcabcf3872230a5700dd5d6057f9e3f073bf28d..0f7817338c28d8fd1960804afc8615e834969ae4 100644
--- a/libavcodec/i386/motion_est_mmx.c
+++ b/libavcodec/i386/motion_est_mmx.c
@@ -34,7 +34,7 @@ static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq (%2, %%"REG_a"), %%mm2 \n\t"
@@ -70,7 +70,7 @@ static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq (%2, %%"REG_a"), %%mm2 \n\t"
@@ -92,7 +92,7 @@ static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, in
{
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq (%2, %%"REG_a"), %%mm2 \n\t"
@@ -118,7 +118,7 @@ static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{ //FIXME reuse src
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"movq "MANGLE(bone)", %%mm5 \n\t"
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
@@ -155,7 +155,7 @@ static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int
{
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq (%2, %%"REG_a"), %%mm1 \n\t"
@@ -193,7 +193,7 @@ static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{
long len= -(stride*h);
asm volatile(
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%1, %%"REG_a"), %%mm0 \n\t"
"movq (%2, %%"REG_a"), %%mm1 \n\t"
diff --git a/libavcodec/i386/mpegvideo_mmx.c b/libavcodec/i386/mpegvideo_mmx.c
index c00a602bdda4232ac37e2eb47e17802c62b25285..1c3a957da64e689e84ffc593b5a75936730d534b 100644
--- a/libavcodec/i386/mpegvideo_mmx.c
+++ b/libavcodec/i386/mpegvideo_mmx.c
@@ -66,7 +66,7 @@ asm volatile(
"packssdw %%mm5, %%mm5 \n\t"
"psubw %%mm5, %%mm7 \n\t"
"pxor %%mm4, %%mm4 \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %3), %%mm0 \n\t"
"movq 8(%0, %3), %%mm1 \n\t"
@@ -129,7 +129,7 @@ asm volatile(
"packssdw %%mm5, %%mm5 \n\t"
"psubw %%mm5, %%mm7 \n\t"
"pxor %%mm4, %%mm4 \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %3), %%mm0 \n\t"
"movq 8(%0, %3), %%mm1 \n\t"
@@ -222,7 +222,7 @@ asm volatile(
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"mov %3, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %%"REG_a"), %%mm0 \n\t"
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
@@ -285,7 +285,7 @@ asm volatile(
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"mov %3, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %%"REG_a"), %%mm0 \n\t"
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
@@ -357,7 +357,7 @@ asm volatile(
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"mov %3, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %%"REG_a"), %%mm0 \n\t"
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
@@ -418,7 +418,7 @@ asm volatile(
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"mov %3, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"movq (%0, %%"REG_a"), %%mm0 \n\t"
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
diff --git a/libavcodec/i386/mpegvideo_mmx_template.c b/libavcodec/i386/mpegvideo_mmx_template.c
index de2ef08e54ca97b589bf655c198d392aa6d8ea14..f96582fdf6ebf05446eb430b567e4b4d56a8c6a4 100644
--- a/libavcodec/i386/mpegvideo_mmx_template.c
+++ b/libavcodec/i386/mpegvideo_mmx_template.c
@@ -112,7 +112,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"pxor %%mm6, %%mm6 \n\t"
"psubw (%3), %%mm6 \n\t" // -bias[0]
"mov $-128, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"pxor %%mm1, %%mm1 \n\t" // 0
"movq (%1, %%"REG_a"), %%mm0 \n\t" // block[i]
@@ -156,7 +156,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
"pxor %%mm7, %%mm7 \n\t" // 0
"pxor %%mm4, %%mm4 \n\t" // 0
"mov $-128, %%"REG_a" \n\t"
- ".balign 16 \n\t"
+ ASMALIGN(4)
"1: \n\t"
"pxor %%mm1, %%mm1 \n\t" // 0
"movq (%1, %%"REG_a"), %%mm0 \n\t" // block[i]
diff --git a/libavcodec/i386/simple_idct_mmx.c b/libavcodec/i386/simple_idct_mmx.c
index fcff3bf140e3524d0d179758d6d76a47f8087596..2f8d156fd366973c794e7cc1964def61f3a154b3 100644
--- a/libavcodec/i386/simple_idct_mmx.c
+++ b/libavcodec/i386/simple_idct_mmx.c
@@ -785,7 +785,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"4: \n\t"
Z_COND_IDCT( 64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11, 6f)
Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 5f)
@@ -860,7 +860,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"6: \n\t"
Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 7f)
@@ -926,7 +926,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"2: \n\t"
Z_COND_IDCT( 96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 3f)
@@ -1003,7 +1003,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"3: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
@@ -1067,7 +1067,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"5: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
@@ -1132,7 +1132,7 @@ IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"\
+ "#" ASMALIGN(4) \
"1: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
@@ -1206,7 +1206,7 @@ IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
"jmp 9f \n\t"
- "#.balign 16 \n\t"
+ "#" ASMALIGN(4)
"7: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \