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Lines 24-30
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| 24 |
{ |
24 |
{ |
| 25 |
volatile short out[4]; |
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volatile short out[4]; |
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asm ( |
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asm ( |
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"movl $8, %%ecx \n\t" |
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"push %%ebx \n\t" |
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"mov $8, %%ebx \n\t" |
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"pxor %%mm4, %%mm4 \n\t" |
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"pxor %%mm4, %%mm4 \n\t" |
| 29 |
"pxor %%mm7, %%mm7 \n\t" |
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"pxor %%mm7, %%mm7 \n\t" |
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Lines 35-41
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| 35 |
"movq (%%"REG_S"), %%mm2 \n\t" |
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"movq (%%"REG_S"), %%mm2 \n\t" |
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"add %%"REG_a", %%"REG_S" \n\t" |
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"add %%"REG_a", %%"REG_S" \n\t" |
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"movq (%%"REG_D"), %%mm1 \n\t" |
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"movq (%%"REG_D"), %%mm1 \n\t" |
| 38 |
"add %%"REG_b", %%"REG_D" \n\t" |
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"add %%"REG_c", %%"REG_D" \n\t" |
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"psubusb %%mm1, %%mm2 \n\t" |
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"psubusb %%mm1, %%mm2 \n\t" |
| 40 |
"psubusb %%mm0, %%mm1 \n\t" |
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"psubusb %%mm0, %%mm1 \n\t" |
| 41 |
"movq %%mm2, %%mm0 \n\t" |
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"movq %%mm2, %%mm0 \n\t" |
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Lines 49-60
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| 49 |
"paddw %%mm2, %%mm4 \n\t" |
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"paddw %%mm2, %%mm4 \n\t" |
| 50 |
"paddw %%mm3, %%mm4 \n\t" |
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"paddw %%mm3, %%mm4 \n\t" |
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"decl %%ecx \n\t" |
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"decl %%ebx \n\t" |
| 53 |
"jnz 1b \n\t" |
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"jnz 1b \n\t" |
| 54 |
"movq %%mm4, (%%"REG_d") \n\t" |
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"movq %%mm4, (%%"REG_d") \n\t" |
| 55 |
"emms \n\t" |
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"emms \n\t" |
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"pop %%ebx \n\t" |
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: |
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: |
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: "S" (old), "D" (new), "a" ((long)os), "b" ((long)ns), "d" (out) |
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: "S" (old), "D" (new), "a" ((long)os), "c" ((long)ns), "d" (out) |
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: "memory" |
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: "memory" |
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); |
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); |
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return out[0]+out[1]+out[2]+out[3]; |
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return out[0]+out[1]+out[2]+out[3]; |
