Date: Mon, 10 May 2004 10:17:46 -0400
From: Mike Frysinger Subject: Re: [SDL] gcc-3.4.0 / PIC fix here's a combined patch (yours and the one i mentioned earlier) that i tested with gcc-3.4.0 and gcc-3.3.3 --HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40888
This commit is contained in:
Sam Lantinga
parent
edba2cc827
commit
7fe0dc0b01
3 changed files with 53 additions and 43 deletions
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@ -15,13 +15,11 @@ void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
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{
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__asm__ __volatile__ (
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" movl %0,%%edi\n" // edi = dst
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" movl %1,%%esi\n" // esi = src
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" movl %3,%%eax\n" // eax = volume
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" movl %2,%%ebx\n" // ebx = size
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" movl %2,%%edx\n" // edx = size
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" shrl $4,%%ebx\n" // process 16 bytes per iteration = 8 samples
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" shrl $4,%%edx\n" // process 16 bytes per iteration = 8 samples
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" jz .endS16\n"
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@ -39,14 +37,14 @@ void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
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".align 16\n"
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" .mixloopS16:\n"
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" movq (%%esi),%%mm1\n" // mm1 = a|b|c|d
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" movq (%1),%%mm1\n" // mm1 = a|b|c|d
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" movq %%mm1,%%mm2\n" // mm2 = a|b|c|d
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" movq 8(%%esi),%%mm4\n" // mm4 = e|f|g|h
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" movq 8(%1),%%mm4\n" // mm4 = e|f|g|h
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// pré charger le buffer dst dans mm7
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" movq (%%edi),%%mm7\n" // mm7 = dst[0]"
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" movq (%0),%%mm7\n" // mm7 = dst[0]"
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// multiplier par le volume
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" pmullw %%mm0,%%mm1\n" // mm1 = l(a*v)|l(b*v)|l(c*v)|l(d*v)
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@ -69,11 +67,11 @@ void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
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" punpcklwd %%mm5,%%mm6\n" // mm6 = g*v|h*v
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// pré charger le buffer dst dans mm5
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" movq 8(%%edi),%%mm5\n" // mm5 = dst[1]
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" movq 8(%0),%%mm5\n" // mm5 = dst[1]
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// diviser par 128
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" psrad $7,%%mm1\n" // mm1 = a*v/128|b*v/128 , 128 = SDL_MIX_MAXVOLUME
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" addl $16,%%esi\n"
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" add $16,%1\n"
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" psrad $7,%%mm3\n" // mm3 = c*v/128|d*v/128
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@ -87,15 +85,15 @@ void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
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// mm4 = le sample avec le volume modifié
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" packssdw %%mm4,%%mm6\n" // mm6 = s(e*v|f*v|g*v|h*v)
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" movq %%mm3,(%%edi)\n"
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" movq %%mm3,(%0)\n"
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" paddsw %%mm5,%%mm6\n" // mm6 = adjust_volume(src)+dst
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" movq %%mm6,8(%%edi)\n"
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" movq %%mm6,8(%0)\n"
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" addl $16,%%edi\n"
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" add $16,%0\n"
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" dec %%ebx\n"
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" dec %%edx\n"
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" jnz .mixloopS16\n"
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@ -103,9 +101,9 @@ void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
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".endS16:\n"
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:
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: "m" (dst), "m"(src),"m"(size),
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: "r" (dst), "r"(src),"m"(size),
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"m"(volume)
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: "eax","ebx", "esi", "edi","memory"
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: "eax","edx","memory"
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);
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}
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@ -119,11 +117,9 @@ void SDL_MixAudio_MMX_S8(char* dst,char* src,unsigned int size,int volume)
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{
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__asm__ __volatile__ (
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" movl %0,%%edi\n" // edi = dst
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" movl %1,%%esi\n" // esi = src
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" movl %3,%%eax\n" // eax = volume
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" movd %%ebx,%%mm0\n"
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" movd %%edx,%%mm0\n"
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" movq %%mm0,%%mm1\n"
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" psllq $16,%%mm0\n"
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" por %%mm1,%%mm0\n"
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@ -132,17 +128,17 @@ void SDL_MixAudio_MMX_S8(char* dst,char* src,unsigned int size,int volume)
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" psllq $16,%%mm0\n"
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" por %%mm1,%%mm0\n"
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" movl %2,%%ebx\n" // ebx = size
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" shr $3,%%ebx\n" // process 8 bytes per iteration = 8 samples
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" movl %2,%%edx\n" // edx = size
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" shr $3,%%edx\n" // process 8 bytes per iteration = 8 samples
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" cmp $0,%%ebx\n"
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" cmp $0,%%edx\n"
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" je .endS8\n"
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".align 16\n"
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" .mixloopS8:\n"
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" pxor %%mm2,%%mm2\n" // mm2 = 0
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" movq (%%esi),%%mm1\n" // mm1 = a|b|c|d|e|f|g|h
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" movq (%1),%%mm1\n" // mm1 = a|b|c|d|e|f|g|h
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" movq %%mm1,%%mm3\n" // mm3 = a|b|c|d|e|f|g|h
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@ -152,10 +148,10 @@ void SDL_MixAudio_MMX_S8(char* dst,char* src,unsigned int size,int volume)
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" punpckhbw %%mm2,%%mm1\n" // mm1 = 0|a|0|b|0|c|0|d
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" punpcklbw %%mm2,%%mm3\n" // mm3 = 0|e|0|f|0|g|0|h
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" movq (%%edi),%%mm2\n" // mm2 = destination
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" movq (%0),%%mm2\n" // mm2 = destination
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" pmullw %%mm0,%%mm1\n" // mm1 = v*a|v*b|v*c|v*d
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" addl $8,%%esi\n"
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" add $8,%1\n"
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" pmullw %%mm0,%%mm3\n" // mm3 = v*e|v*f|v*g|v*h
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" psraw $7,%%mm1\n" // mm1 = v*a/128|v*b/128|v*c/128|v*d/128
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@ -166,19 +162,19 @@ void SDL_MixAudio_MMX_S8(char* dst,char* src,unsigned int size,int volume)
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" paddsb %%mm2,%%mm3\n" // add to destination buffer
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" movq %%mm3,(%%edi)\n" // store back to ram
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" addl $8,%%edi\n"
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" movq %%mm3,(%0)\n" // store back to ram
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" add $8,%0\n"
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" dec %%ebx\n"
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" dec %%edx\n"
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" jnz .mixloopS8\n"
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".endS8:\n"
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" emms\n"
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:
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: "m" (dst), "m"(src),"m"(size),
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: "r" (dst), "r"(src),"m"(size),
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"m"(volume)
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: "eax","ebx", "esi", "edi","memory"
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: "eax","edx","memory"
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);
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}
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#endif
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@ -138,7 +138,7 @@ static __inline__ int CPU_getCPUIDFeatures()
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" movl %%edi,%%ebx\n"
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: "=m" (features)
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:
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: "%eax", "%ebx", "%ecx", "%edx", "%edi"
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: "%eax", "%ecx", "%edx", "%edi"
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);
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#elif defined(_MSC_VER)
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__asm {
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@ -173,7 +173,7 @@ static __inline__ int CPU_getCPUIDFeaturesExt()
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" movl %%edi,%%ebx\n"
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: "=m" (features)
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:
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: "%eax", "%ebx", "%ecx", "%edx", "%edi"
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: "%eax", "%ecx", "%edx", "%edi"
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);
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#elif defined(_MSC_VER)
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__asm {
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@ -120,12 +120,12 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0
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"punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0
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"punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0
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"psubw _MMX_0080w,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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"psubw %[_MMX_0080w],%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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// create Cr_g (result in mm0)
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"movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0
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"pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64
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"pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64
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"pmullw %[_MMX_VgrnRGB],%%mm0\n"// red*-46dec=0.7136*64
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"pmullw %[_MMX_VredRGB],%%mm1\n"// red*89dec=1.4013*64
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"psraw $6, %%mm0\n" // red=red/64
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"psraw $6, %%mm1\n" // red=red/64
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@ -134,8 +134,8 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0
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"punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0
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"movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0
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"pand _MMX_FF00w,%%mm2\n" // L3 0 L1 0 l3 0 l1 0
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"pand _MMX_00FFw,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
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"pand %[_MMX_FF00w],%%mm2\n" // L3 0 L1 0 l3 0 l1 0
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"pand %[_MMX_00FFw],%%mm4\n" // 0 L2 0 L0 0 l2 0 l0
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"psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1
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// create R (result in mm6)
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@ -152,11 +152,11 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0
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"punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0
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"punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0
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"psubw _MMX_0080w,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
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"psubw %[_MMX_0080w],%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
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// create Cb_g (result in mm5)
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"movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0
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"pmullw _MMX_UgrnRGB,%%mm5\n" // blue*-109dec=1.7129*64
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"pmullw _MMX_UbluRGB,%%mm1\n" // blue*114dec=1.78125*64
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"pmullw %[_MMX_UgrnRGB],%%mm5\n" // blue*-109dec=1.7129*64
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"pmullw %[_MMX_UbluRGB],%%mm1\n" // blue*114dec=1.78125*64
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"psraw $6, %%mm5\n" // blue=red/64
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"psraw $6, %%mm1\n" // blue=blue/64
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@ -238,8 +238,14 @@ void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"popl %%ebx\n"
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:
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: "m" (cr), "r"(cb),"r"(lum),
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"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
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: "%ebx"
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"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
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[_MMX_0080w] "m" (*_MMX_0080w),
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[_MMX_00FFw] "m" (*_MMX_00FFw),
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[_MMX_FF00w] "m" (*_MMX_FF00w),
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[_MMX_VgrnRGB] "m" (*_MMX_VgrnRGB),
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[_MMX_VredRGB] "m" (*_MMX_VredRGB),
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[_MMX_UgrnRGB] "m" (*_MMX_UgrnRGB),
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[_MMX_UbluRGB] "m" (*_MMX_UbluRGB)
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);
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}
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@ -413,8 +419,16 @@ void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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"popl %%ebx\n"
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:
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:"m" (cr), "r"(cb),"r"(lum),
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"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
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: "%ebx"
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"r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod),
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[_MMX_0080w] "m" (*_MMX_0080w),
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[_MMX_Ugrn565] "m" (*_MMX_Ugrn565),
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[_MMX_Ublu5x5] "m" (*_MMX_Ublu5x5),
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[_MMX_00FFw] "m" (*_MMX_00FFw),
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[_MMX_Vgrn565] "m" (*_MMX_Vgrn565),
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[_MMX_Vred5x5] "m" (*_MMX_Vred5x5),
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[_MMX_Ycoeff] "m" (*_MMX_Ycoeff),
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[_MMX_red565] "m" (*_MMX_red565),
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[_MMX_grn565] "m" (*_MMX_grn565)
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);
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}
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