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authorRonald S. Bultje <rsbultje@gmail.com>2010-09-17 01:44:17 +0000
committerRonald S. Bultje <rsbultje@gmail.com>2010-09-17 01:44:17 +0000
commitd0acc2d2e9cbc09b7f311589daf1c9c63dfce473 (patch)
treee59df7c60d4a1e6373d3512190b81c19e882b650 /libavcodec/x86/dsputilenc_mmx.c
parent6de163e9bfa115d3e6b9ab3b1c82e36870a782bd (diff)
downloadffmpeg-d0acc2d2e9cbc09b7f311589daf1c9c63dfce473.tar.gz
Move sse16_sse2() from inline asm to yasm. It is one of the functions causing
Win64/FATE issues. Originally committed as revision 25136 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/dsputilenc_mmx.c')
-rw-r--r--libavcodec/x86/dsputilenc_mmx.c64
1 files changed, 2 insertions, 62 deletions
diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c
index c415ed79d0..2187e17941 100644
--- a/libavcodec/x86/dsputilenc_mmx.c
+++ b/libavcodec/x86/dsputilenc_mmx.c
@@ -323,67 +323,7 @@ static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int
return tmp;
}
-static int sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
- int tmp;
- __asm__ volatile (
- "shr $1,%2\n"
- "pxor %%xmm0,%%xmm0\n" /* mm0 = 0 */
- "pxor %%xmm7,%%xmm7\n" /* mm7 holds the sum */
- "1:\n"
- "movdqu (%0),%%xmm1\n" /* mm1 = pix1[0][0-15] */
- "movdqu (%1),%%xmm2\n" /* mm2 = pix2[0][0-15] */
- "movdqu (%0,%4),%%xmm3\n" /* mm3 = pix1[1][0-15] */
- "movdqu (%1,%4),%%xmm4\n" /* mm4 = pix2[1][0-15] */
-
- /* todo: mm1-mm2, mm3-mm4 */
- /* algo: subtract mm1 from mm2 with saturation and vice versa */
- /* OR the results to get absolute difference */
- "movdqa %%xmm1,%%xmm5\n"
- "movdqa %%xmm3,%%xmm6\n"
- "psubusb %%xmm2,%%xmm1\n"
- "psubusb %%xmm4,%%xmm3\n"
- "psubusb %%xmm5,%%xmm2\n"
- "psubusb %%xmm6,%%xmm4\n"
-
- "por %%xmm1,%%xmm2\n"
- "por %%xmm3,%%xmm4\n"
-
- /* now convert to 16-bit vectors so we can square them */
- "movdqa %%xmm2,%%xmm1\n"
- "movdqa %%xmm4,%%xmm3\n"
-
- "punpckhbw %%xmm0,%%xmm2\n"
- "punpckhbw %%xmm0,%%xmm4\n"
- "punpcklbw %%xmm0,%%xmm1\n" /* mm1 now spread over (mm1,mm2) */
- "punpcklbw %%xmm0,%%xmm3\n" /* mm4 now spread over (mm3,mm4) */
-
- "pmaddwd %%xmm2,%%xmm2\n"
- "pmaddwd %%xmm4,%%xmm4\n"
- "pmaddwd %%xmm1,%%xmm1\n"
- "pmaddwd %%xmm3,%%xmm3\n"
-
- "lea (%0,%4,2), %0\n" /* pix1 += 2*line_size */
- "lea (%1,%4,2), %1\n" /* pix2 += 2*line_size */
-
- "paddd %%xmm2,%%xmm1\n"
- "paddd %%xmm4,%%xmm3\n"
- "paddd %%xmm1,%%xmm7\n"
- "paddd %%xmm3,%%xmm7\n"
-
- "decl %2\n"
- "jnz 1b\n"
-
- "movdqa %%xmm7,%%xmm1\n"
- "psrldq $8, %%xmm7\n" /* shift hi qword to lo */
- "paddd %%xmm1,%%xmm7\n"
- "movdqa %%xmm7,%%xmm1\n"
- "psrldq $4, %%xmm7\n" /* shift hi dword to lo */
- "paddd %%xmm1,%%xmm7\n"
- "movd %%xmm7,%3\n"
- : "+r" (pix1), "+r" (pix2), "+r"(h), "=r"(tmp)
- : "r" ((x86_reg)line_size));
- return tmp;
-}
+int ff_sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
int tmp;
@@ -1376,7 +1316,7 @@ void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->hadamard8_diff[1]= hadamard8_diff_mmx;
c->pix_norm1 = pix_norm1_mmx;
- c->sse[0] = (mm_flags & AV_CPU_FLAG_SSE2) ? sse16_sse2 : sse16_mmx;
+ c->sse[0] = (mm_flags & AV_CPU_FLAG_SSE2) ? ff_sse16_sse2 : sse16_mmx;
c->sse[1] = sse8_mmx;
c->vsad[4]= vsad_intra16_mmx;