From 01dc3aa48d1154069bf58b62964615e6a62864fe Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 31 Oct 2002 01:42:59 +0000 Subject: [PATCH] using fewer registers ... to workaround something Originally committed as revision 7991 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc --- postproc/postprocess_template.c | 35 ++++++++++++++++----------------- 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/postproc/postprocess_template.c b/postproc/postprocess_template.c index efaaad7c47..3289bb18f8 100644 --- a/postproc/postprocess_template.c +++ b/postproc/postprocess_template.c @@ -892,11 +892,8 @@ src-=8; */ #elif defined (HAVE_MMX) src+= stride*4; - asm volatile( "pxor %%mm7, %%mm7 \n\t" - "leal (%0, %1), %%eax \n\t" - "leal (%%eax, %1, 4), %%edx \n\t" "leal -40(%%esp), %%ecx \n\t" // make space for 4 8-byte vars "andl $0xFFFFFFF8, %%ecx \n\t" // align // 0 1 2 3 4 5 6 7 @@ -908,12 +905,13 @@ src-=8; "punpcklbw %%mm7, %%mm0 \n\t" // low part of line 0 "punpckhbw %%mm7, %%mm1 \n\t" // high part of line 0 - "movq (%%eax), %%mm2 \n\t" + "movq (%0, %1), %%mm2 \n\t" + "leal (%0, %1, 2), %%eax \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // low part of line 1 "punpckhbw %%mm7, %%mm3 \n\t" // high part of line 1 - "movq (%%eax, %1), %%mm4 \n\t" + "movq (%%eax), %%mm4 \n\t" "movq %%mm4, %%mm5 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" // low part of line 2 "punpckhbw %%mm7, %%mm5 \n\t" // high part of line 2 @@ -930,7 +928,7 @@ src-=8; "psubw %%mm2, %%mm0 \n\t" // 2L0 - 5L1 + 5L2 "psubw %%mm3, %%mm1 \n\t" // 2H0 - 5H1 + 5H2 - "movq (%%eax, %1, 2), %%mm2 \n\t" + "movq (%%eax, %1), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L3 "punpckhbw %%mm7, %%mm3 \n\t" // H3 @@ -942,7 +940,7 @@ src-=8; "movq %%mm0, (%%ecx) \n\t" // 2L0 - 5L1 + 5L2 - 2L3 "movq %%mm1, 8(%%ecx) \n\t" // 2H0 - 5H1 + 5H2 - 2H3 - "movq (%0, %1, 4), %%mm0 \n\t" + "movq (%%eax, %1, 2), %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" // L4 "punpckhbw %%mm7, %%mm1 \n\t" // H4 @@ -956,12 +954,13 @@ src-=8; "psubw %%mm2, %%mm4 \n\t" // 2L2 - L3 + L4 "psubw %%mm3, %%mm5 \n\t" // 2H2 - H3 + H4 + "leal (%%eax, %1), %0 \n\t" "psllw $2, %%mm2 \n\t" // 4L3 - 4L4 "psllw $2, %%mm3 \n\t" // 4H3 - 4H4 "psubw %%mm2, %%mm4 \n\t" // 2L2 - 5L3 + 5L4 "psubw %%mm3, %%mm5 \n\t" // 2H2 - 5H3 + 5H4 //50 opcodes so far - "movq (%%edx), %%mm2 \n\t" + "movq (%0, %1, 2), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L5 "punpckhbw %%mm7, %%mm3 \n\t" // H5 @@ -970,10 +969,10 @@ src-=8; "psubw %%mm2, %%mm4 \n\t" // 2L2 - 5L3 + 5L4 - 2L5 "psubw %%mm3, %%mm5 \n\t" // 2H2 - 5H3 + 5H4 - 2H5 - "movq (%%edx, %1), %%mm6 \n\t" + "movq (%%eax, %1, 4), %%mm6 \n\t" "punpcklbw %%mm7, %%mm6 \n\t" // L6 "psubw %%mm6, %%mm2 \n\t" // L5 - L6 - "movq (%%edx, %1), %%mm6 \n\t" + "movq (%%eax, %1, 4), %%mm6 \n\t" "punpckhbw %%mm7, %%mm6 \n\t" // H6 "psubw %%mm6, %%mm3 \n\t" // H5 - H6 @@ -987,7 +986,7 @@ src-=8; "psubw %%mm2, %%mm0 \n\t" // 2L4 - 5L5 + 5L6 "psubw %%mm3, %%mm1 \n\t" // 2H4 - 5H5 + 5H6 - "movq (%%edx, %1, 2), %%mm2 \n\t" + "movq (%0, %1, 4), %%mm2 \n\t" "movq %%mm2, %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" // L7 "punpckhbw %%mm7, %%mm3 \n\t" // H7 @@ -1110,16 +1109,16 @@ src-=8; "psubw %%mm6, %%mm4 \n\t" "psubw %%mm7, %%mm5 \n\t" "packsswb %%mm5, %%mm4 \n\t" - "movq (%%eax, %1, 2), %%mm0 \n\t" + "movq (%0), %%mm0 \n\t" "paddb %%mm4, %%mm0 \n\t" - "movq %%mm0, (%%eax, %1, 2) \n\t" - "movq (%0, %1, 4), %%mm0 \n\t" + "movq %%mm0, (%0) \n\t" + "movq (%0, %1), %%mm0 \n\t" "psubb %%mm4, %%mm0 \n\t" - "movq %%mm0, (%0, %1, 4) \n\t" + "movq %%mm0, (%0, %1) \n\t" - : - : "r" (src), "r" (stride), "m" (c->pQPb) - : "%eax", "%edx", "%ecx" + : "+r" (src) + : "r" (stride), "m" (c->pQPb) + : "%eax", "%ecx" ); #else const int l1= stride;