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Diffstat (limited to 'libavcodec/i386/mpegvideo_mmx_template.c')
-rw-r--r--libavcodec/i386/mpegvideo_mmx_template.c196
1 files changed, 112 insertions, 84 deletions
diff --git a/libavcodec/i386/mpegvideo_mmx_template.c b/libavcodec/i386/mpegvideo_mmx_template.c
index d59b6efd9c..58a4964cd3 100644
--- a/libavcodec/i386/mpegvideo_mmx_template.c
+++ b/libavcodec/i386/mpegvideo_mmx_template.c
@@ -19,33 +19,77 @@
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+#undef MMREG_WIDTH
+#undef MM
+#undef MOVQ
#undef SPREADW
#undef PMAXW
#undef PMAX
-#ifdef HAVE_MMX2
-#define SPREADW(a) "pshufw $0, " #a ", " #a " \n\t"
-#define PMAXW(a,b) "pmaxsw " #a ", " #b " \n\t"
+#undef SAVE_SIGN
+#undef RESTORE_SIGN
+
+#if defined(HAVE_SSE2)
+#define MMREG_WIDTH "16"
+#define MM "%%xmm"
+#define MOVQ "movdqa"
+#define SPREADW(a) \
+ "pshuflw $0, "a", "a" \n\t"\
+ "punpcklwd "a", "a" \n\t"
+#define PMAXW(a,b) "pmaxsw "a", "b" \n\t"
#define PMAX(a,b) \
- "pshufw $0x0E," #a ", " #b " \n\t"\
+ "movhlps "a", "b" \n\t"\
PMAXW(b, a)\
- "pshufw $0x01," #a ", " #b " \n\t"\
+ "pshuflw $0x0E, "a", "b" \n\t"\
+ PMAXW(b, a)\
+ "pshuflw $0x01, "a", "b" \n\t"\
+ PMAXW(b, a)
+#else
+#define MMREG_WIDTH "8"
+#define MM "%%mm"
+#define MOVQ "movq"
+#if defined(HAVE_MMX2)
+#define SPREADW(a) "pshufw $0, "a", "a" \n\t"
+#define PMAXW(a,b) "pmaxsw "a", "b" \n\t"
+#define PMAX(a,b) \
+ "pshufw $0x0E, "a", "b" \n\t"\
+ PMAXW(b, a)\
+ "pshufw $0x01, "a", "b" \n\t"\
PMAXW(b, a)
#else
#define SPREADW(a) \
- "punpcklwd " #a ", " #a " \n\t"\
- "punpcklwd " #a ", " #a " \n\t"
+ "punpcklwd "a", "a" \n\t"\
+ "punpcklwd "a", "a" \n\t"
#define PMAXW(a,b) \
- "psubusw " #a ", " #b " \n\t"\
- "paddw " #a ", " #b " \n\t"
+ "psubusw "a", "b" \n\t"\
+ "paddw "a", "b" \n\t"
#define PMAX(a,b) \
- "movq " #a ", " #b " \n\t"\
- "psrlq $32, " #a " \n\t"\
+ "movq "a", "b" \n\t"\
+ "psrlq $32, "a" \n\t"\
PMAXW(b, a)\
- "movq " #a ", " #b " \n\t"\
- "psrlq $16, " #a " \n\t"\
+ "movq "a", "b" \n\t"\
+ "psrlq $16, "a" \n\t"\
PMAXW(b, a)
#endif
+#endif
+
+#ifdef HAVE_SSSE3
+#define SAVE_SIGN(a,b) \
+ "movdqa "b", "a" \n\t"\
+ "pabsw "b", "b" \n\t"
+#define RESTORE_SIGN(a,b) \
+ "psignw "a", "b" \n\t"
+#else
+#define SAVE_SIGN(a,b) \
+ "pxor "a", "a" \n\t"\
+ "pcmpgtw "b", "a" \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
+ "pxor "a", "b" \n\t"\
+ "psubw "a", "b" \n\t" /* ABS(block[i]) */
+#define RESTORE_SIGN(a,b) \
+ "pxor "a", "b" \n\t"\
+ "psubw "a", "b" \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+#endif
static int RENAME(dct_quantize)(MpegEncContext *s,
DCTELEM *block, int n,
@@ -54,7 +98,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
long last_non_zero_p1;
int level=0, q; //=0 is cuz gcc says uninitalized ...
const uint16_t *qmat, *bias;
- DECLARE_ALIGNED_8(int16_t, temp_block[64]);
+ DECLARE_ALIGNED_16(int16_t, temp_block[64]);
assert((7&(int)(&temp_block[0])) == 0); //did gcc align it correctly?
@@ -106,98 +150,82 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
if((s->out_format == FMT_H263 || s->out_format == FMT_H261) && s->mpeg_quant==0){
asm volatile(
- "movd %%"REG_a", %%mm3 \n\t" // last_non_zero_p1
- SPREADW(%%mm3)
- "pxor %%mm7, %%mm7 \n\t" // 0
- "pxor %%mm4, %%mm4 \n\t" // 0
- "movq (%2), %%mm5 \n\t" // qmat[0]
- "pxor %%mm6, %%mm6 \n\t"
- "psubw (%3), %%mm6 \n\t" // -bias[0]
+ "movd %%"REG_a", "MM"3 \n\t" // last_non_zero_p1
+ SPREADW(MM"3")
+ "pxor "MM"7, "MM"7 \n\t" // 0
+ "pxor "MM"4, "MM"4 \n\t" // 0
+ MOVQ" (%2), "MM"5 \n\t" // qmat[0]
+ "pxor "MM"6, "MM"6 \n\t"
+ "psubw (%3), "MM"6 \n\t" // -bias[0]
"mov $-128, %%"REG_a" \n\t"
ASMALIGN(4)
"1: \n\t"
- "pxor %%mm1, %%mm1 \n\t" // 0
- "movq (%1, %%"REG_a"), %%mm0 \n\t" // block[i]
- "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00
- "pxor %%mm1, %%mm0 \n\t"
- "psubw %%mm1, %%mm0 \n\t" // ABS(block[i])
- "psubusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0]
- "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
- "por %%mm0, %%mm4 \n\t"
- "pxor %%mm1, %%mm0 \n\t"
- "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
- "movq %%mm0, (%5, %%"REG_a") \n\t"
- "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00
- "movq (%4, %%"REG_a"), %%mm1 \n\t"
- "movq %%mm7, (%1, %%"REG_a") \n\t" // 0
- "pandn %%mm1, %%mm0 \n\t"
- PMAXW(%%mm0, %%mm3)
- "add $8, %%"REG_a" \n\t"
+ MOVQ" (%1, %%"REG_a"), "MM"0 \n\t" // block[i]
+ SAVE_SIGN(MM"1", MM"0") // ABS(block[i])
+ "psubusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0]
+ "pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16
+ "por "MM"0, "MM"4 \n\t"
+ RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+ MOVQ" "MM"0, (%5, %%"REG_a") \n\t"
+ "pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00
+ MOVQ" (%4, %%"REG_a"), "MM"1 \n\t"
+ MOVQ" "MM"7, (%1, %%"REG_a") \n\t" // 0
+ "pandn "MM"1, "MM"0 \n\t"
+ PMAXW(MM"0", MM"3")
+ "add $"MMREG_WIDTH", %%"REG_a" \n\t"
" js 1b \n\t"
- PMAX(%%mm3, %%mm0)
- "movd %%mm3, %%"REG_a" \n\t"
+ PMAX(MM"3", MM"0")
+ "movd "MM"3, %%"REG_a" \n\t"
"movzb %%al, %%"REG_a" \n\t" // last_non_zero_p1
: "+a" (last_non_zero_p1)
: "r" (block+64), "r" (qmat), "r" (bias),
"r" (inv_zigzag_direct16+64), "r" (temp_block+64)
);
- // note the asm is split cuz gcc doesnt like that many operands ...
- asm volatile(
- "movd %1, %%mm1 \n\t" // max_qcoeff
- SPREADW(%%mm1)
- "psubusw %%mm1, %%mm4 \n\t"
- "packuswb %%mm4, %%mm4 \n\t"
- "movd %%mm4, %0 \n\t" // *overflow
- : "=g" (*overflow)
- : "g" (s->max_qcoeff)
- );
}else{ // FMT_H263
asm volatile(
- "movd %%"REG_a", %%mm3 \n\t" // last_non_zero_p1
- SPREADW(%%mm3)
- "pxor %%mm7, %%mm7 \n\t" // 0
- "pxor %%mm4, %%mm4 \n\t" // 0
+ "movd %%"REG_a", "MM"3 \n\t" // last_non_zero_p1
+ SPREADW(MM"3")
+ "pxor "MM"7, "MM"7 \n\t" // 0
+ "pxor "MM"4, "MM"4 \n\t" // 0
"mov $-128, %%"REG_a" \n\t"
ASMALIGN(4)
"1: \n\t"
- "pxor %%mm1, %%mm1 \n\t" // 0
- "movq (%1, %%"REG_a"), %%mm0 \n\t" // block[i]
- "pcmpgtw %%mm0, %%mm1 \n\t" // block[i] <= 0 ? 0xFF : 0x00
- "pxor %%mm1, %%mm0 \n\t"
- "psubw %%mm1, %%mm0 \n\t" // ABS(block[i])
- "movq (%3, %%"REG_a"), %%mm6 \n\t" // bias[0]
- "paddusw %%mm6, %%mm0 \n\t" // ABS(block[i]) + bias[0]
- "movq (%2, %%"REG_a"), %%mm5 \n\t" // qmat[i]
- "pmulhw %%mm5, %%mm0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
- "por %%mm0, %%mm4 \n\t"
- "pxor %%mm1, %%mm0 \n\t"
- "psubw %%mm1, %%mm0 \n\t" // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
- "movq %%mm0, (%5, %%"REG_a") \n\t"
- "pcmpeqw %%mm7, %%mm0 \n\t" // out==0 ? 0xFF : 0x00
- "movq (%4, %%"REG_a"), %%mm1 \n\t"
- "movq %%mm7, (%1, %%"REG_a") \n\t" // 0
- "pandn %%mm1, %%mm0 \n\t"
- PMAXW(%%mm0, %%mm3)
- "add $8, %%"REG_a" \n\t"
+ MOVQ" (%1, %%"REG_a"), "MM"0 \n\t" // block[i]
+ SAVE_SIGN(MM"1", MM"0") // ABS(block[i])
+ MOVQ" (%3, %%"REG_a"), "MM"6 \n\t" // bias[0]
+ "paddusw "MM"6, "MM"0 \n\t" // ABS(block[i]) + bias[0]
+ MOVQ" (%2, %%"REG_a"), "MM"5 \n\t" // qmat[i]
+ "pmulhw "MM"5, "MM"0 \n\t" // (ABS(block[i])*qmat[0] + bias[0]*qmat[0])>>16
+ "por "MM"0, "MM"4 \n\t"
+ RESTORE_SIGN(MM"1", MM"0") // out=((ABS(block[i])*qmat[0] - bias[0]*qmat[0])>>16)*sign(block[i])
+ MOVQ" "MM"0, (%5, %%"REG_a") \n\t"
+ "pcmpeqw "MM"7, "MM"0 \n\t" // out==0 ? 0xFF : 0x00
+ MOVQ" (%4, %%"REG_a"), "MM"1 \n\t"
+ MOVQ" "MM"7, (%1, %%"REG_a") \n\t" // 0
+ "pandn "MM"1, "MM"0 \n\t"
+ PMAXW(MM"0", MM"3")
+ "add $"MMREG_WIDTH", %%"REG_a" \n\t"
" js 1b \n\t"
- PMAX(%%mm3, %%mm0)
- "movd %%mm3, %%"REG_a" \n\t"
+ PMAX(MM"3", MM"0")
+ "movd "MM"3, %%"REG_a" \n\t"
"movzb %%al, %%"REG_a" \n\t" // last_non_zero_p1
: "+a" (last_non_zero_p1)
: "r" (block+64), "r" (qmat+64), "r" (bias+64),
"r" (inv_zigzag_direct16+64), "r" (temp_block+64)
);
- // note the asm is split cuz gcc doesnt like that many operands ...
- asm volatile(
- "movd %1, %%mm1 \n\t" // max_qcoeff
- SPREADW(%%mm1)
- "psubusw %%mm1, %%mm4 \n\t"
- "packuswb %%mm4, %%mm4 \n\t"
- "movd %%mm4, %0 \n\t" // *overflow
+ }
+ asm volatile(
+ "movd %1, "MM"1 \n\t" // max_qcoeff
+ SPREADW(MM"1")
+ "psubusw "MM"1, "MM"4 \n\t"
+ "packuswb "MM"4, "MM"4 \n\t"
+#ifdef HAVE_SSE2
+ "packuswb "MM"4, "MM"4 \n\t"
+#endif
+ "movd "MM"4, %0 \n\t" // *overflow
: "=g" (*overflow)
: "g" (s->max_qcoeff)
- );
- }
+ );
if(s->mb_intra) block[0]= level;
else block[0]= temp_block[0];
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 09:52:05 +0000