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x86: dsputilenc: convert ff_sse{8, 16}_mmx() to yasm
Signed-off-by: Timothy Gu <timothygu99@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Timothy Gu
Michael Niedermayer
parent
6e725f19f8
commit
ad733089b0
@ -274,19 +274,27 @@ INIT_XMM ssse3
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%define ABS_SUM_8x8 ABS_SUM_8x8_64
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HADAMARD8_DIFF 9
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INIT_XMM sse2
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; int ff_sse16_sse2(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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; int line_size, int h);
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cglobal sse16, 5, 5, 8
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shr r4d, 1
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; int ff_sse*_*(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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; int line_size, int h)
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%macro SUM_SQUARED_ERRORS 2
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cglobal sse%1, 5,5,%2, v, pix1, pix2, lsize, h
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%if %1 == mmsize
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shr hd, 1
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%endif
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pxor m0, m0 ; mm0 = 0
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pxor m7, m7 ; mm7 holds the sum
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.next2lines: ; FIXME why are these unaligned movs? pix1[] is aligned
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movu m1, [r1 ] ; mm1 = pix1[0][0-15]
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movu m2, [r2 ] ; mm2 = pix2[0][0-15]
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movu m3, [r1+r3] ; mm3 = pix1[1][0-15]
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movu m4, [r2+r3] ; mm4 = pix2[1][0-15]
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movu m1, [pix1q] ; m1 = pix1[0][0-15], [0-7] for mmx
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movu m2, [pix2q] ; m2 = pix2[0][0-15], [0-7] for mmx
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%if %1 == mmsize
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movu m3, [pix1q+lsizeq] ; m3 = pix1[1][0-15], [0-7] for mmx
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movu m4, [pix2q+lsizeq] ; m4 = pix2[1][0-15], [0-7] for mmx
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%else ; %1 / 2 == mmsize; mmx only
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mova m3, [pix1q+8] ; m3 = pix1[0][8-15]
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mova m4, [pix2q+8] ; m4 = pix2[0][8-15]
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%endif
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; todo: mm1-mm2, mm3-mm4
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; algo: subtract mm1 from mm2 with saturation and vice versa
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@ -315,25 +323,43 @@ cglobal sse16, 5, 5, 8
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pmaddwd m1, m1
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pmaddwd m3, m3
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lea r1, [r1+r3*2] ; pix1 += 2*line_size
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lea r2, [r2+r3*2] ; pix2 += 2*line_size
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paddd m1, m2
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paddd m3, m4
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paddd m7, m1
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paddd m7, m3
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dec r4
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%if %1 == mmsize
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lea pix1q, [pix1q + 2*lsizeq]
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lea pix2q, [pix2q + 2*lsizeq]
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%else
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add pix1q, lsizeq
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add pix2q, lsizeq
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%endif
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dec hd
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jnz .next2lines
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mova m1, m7
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%if mmsize == 8
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psrlq m7, 32 ; shift hi dword to lo
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%else
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psrldq m7, 8 ; shift hi qword to lo
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paddd m7, m1
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mova m1, m7
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psrldq m7, 4 ; shift hi dword to lo
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%endif
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paddd m7, m1
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movd eax, m7 ; return value
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RET
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%endmacro
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INIT_MMX mmx
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SUM_SQUARED_ERRORS 8, 0
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INIT_MMX mmx
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SUM_SQUARED_ERRORS 16, 0
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INIT_XMM sse2
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SUM_SQUARED_ERRORS 16, 8
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INIT_MMX mmx
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; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size)
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@ -42,138 +42,13 @@ int ff_sum_abs_dctelem_mmx(int16_t *block);
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int ff_sum_abs_dctelem_mmxext(int16_t *block);
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int ff_sum_abs_dctelem_sse2(int16_t *block);
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int ff_sum_abs_dctelem_ssse3(int16_t *block);
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int ff_sse8_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h);
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int ff_sse16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h);
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#if HAVE_INLINE_ASM
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static int sse8_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
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{
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int tmp;
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__asm__ volatile (
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"movl %4, %%ecx \n"
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"shr $1, %%ecx \n"
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"pxor %%mm0, %%mm0 \n" /* mm0 = 0 */
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"pxor %%mm7, %%mm7 \n" /* mm7 holds the sum */
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"1: \n"
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"movq (%0), %%mm1 \n" /* mm1 = pix1[0][0 - 7] */
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"movq (%1), %%mm2 \n" /* mm2 = pix2[0][0 - 7] */
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"movq (%0, %3), %%mm3 \n" /* mm3 = pix1[1][0 - 7] */
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"movq (%1, %3), %%mm4 \n" /* mm4 = pix2[1][0 - 7] */
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/* todo: mm1-mm2, mm3-mm4 */
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/* algo: subtract mm1 from mm2 with saturation and vice versa */
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/* OR the results to get absolute difference */
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"movq %%mm1, %%mm5 \n"
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"movq %%mm3, %%mm6 \n"
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"psubusb %%mm2, %%mm1 \n"
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"psubusb %%mm4, %%mm3 \n"
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"psubusb %%mm5, %%mm2 \n"
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"psubusb %%mm6, %%mm4 \n"
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"por %%mm1, %%mm2 \n"
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"por %%mm3, %%mm4 \n"
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/* now convert to 16-bit vectors so we can square them */
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"movq %%mm2, %%mm1 \n"
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"movq %%mm4, %%mm3 \n"
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"punpckhbw %%mm0, %%mm2 \n"
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"punpckhbw %%mm0, %%mm4 \n"
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"punpcklbw %%mm0, %%mm1 \n" /* mm1 now spread over (mm1, mm2) */
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"punpcklbw %%mm0, %%mm3 \n" /* mm4 now spread over (mm3, mm4) */
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"pmaddwd %%mm2, %%mm2 \n"
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"pmaddwd %%mm4, %%mm4 \n"
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"pmaddwd %%mm1, %%mm1 \n"
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"pmaddwd %%mm3, %%mm3 \n"
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"lea (%0, %3, 2), %0 \n" /* pix1 += 2 * line_size */
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"lea (%1, %3, 2), %1 \n" /* pix2 += 2 * line_size */
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"paddd %%mm2, %%mm1 \n"
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"paddd %%mm4, %%mm3 \n"
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"paddd %%mm1, %%mm7 \n"
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"paddd %%mm3, %%mm7 \n"
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"decl %%ecx \n"
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"jnz 1b \n"
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"movq %%mm7, %%mm1 \n"
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"psrlq $32, %%mm7 \n" /* shift hi dword to lo */
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"paddd %%mm7, %%mm1 \n"
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"movd %%mm1, %2 \n"
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: "+r" (pix1), "+r" (pix2), "=r" (tmp)
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: "r" ((x86_reg) line_size), "m" (h)
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: "%ecx");
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return tmp;
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}
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static int sse16_mmx(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
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{
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int tmp;
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__asm__ volatile (
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"movl %4, %%ecx\n"
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"pxor %%mm0, %%mm0\n" /* mm0 = 0 */
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"pxor %%mm7, %%mm7\n" /* mm7 holds the sum */
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"1:\n"
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"movq (%0), %%mm1\n" /* mm1 = pix1[0 - 7] */
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"movq (%1), %%mm2\n" /* mm2 = pix2[0 - 7] */
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"movq 8(%0), %%mm3\n" /* mm3 = pix1[8 - 15] */
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"movq 8(%1), %%mm4\n" /* mm4 = pix2[8 - 15] */
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/* todo: mm1-mm2, mm3-mm4 */
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/* algo: subtract mm1 from mm2 with saturation and vice versa */
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/* OR the results to get absolute difference */
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"movq %%mm1, %%mm5\n"
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"movq %%mm3, %%mm6\n"
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"psubusb %%mm2, %%mm1\n"
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"psubusb %%mm4, %%mm3\n"
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"psubusb %%mm5, %%mm2\n"
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"psubusb %%mm6, %%mm4\n"
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"por %%mm1, %%mm2\n"
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"por %%mm3, %%mm4\n"
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/* now convert to 16-bit vectors so we can square them */
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"movq %%mm2, %%mm1\n"
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"movq %%mm4, %%mm3\n"
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"punpckhbw %%mm0, %%mm2\n"
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"punpckhbw %%mm0, %%mm4\n"
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"punpcklbw %%mm0, %%mm1\n" /* mm1 now spread over (mm1, mm2) */
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"punpcklbw %%mm0, %%mm3\n" /* mm4 now spread over (mm3, mm4) */
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"pmaddwd %%mm2, %%mm2\n"
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"pmaddwd %%mm4, %%mm4\n"
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"pmaddwd %%mm1, %%mm1\n"
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"pmaddwd %%mm3, %%mm3\n"
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"add %3, %0\n"
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"add %3, %1\n"
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"paddd %%mm2, %%mm1\n"
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"paddd %%mm4, %%mm3\n"
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"paddd %%mm1, %%mm7\n"
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"paddd %%mm3, %%mm7\n"
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"decl %%ecx\n"
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"jnz 1b\n"
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"movq %%mm7, %%mm1\n"
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"psrlq $32, %%mm7\n" /* shift hi dword to lo */
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"paddd %%mm7, %%mm1\n"
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"movd %%mm1, %2\n"
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: "+r" (pix1), "+r" (pix2), "=r" (tmp)
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: "r" ((x86_reg) line_size), "m" (h)
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: "%ecx");
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return tmp;
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}
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static int hf_noise8_mmx(uint8_t *pix1, int line_size, int h)
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{
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int tmp;
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@ -427,7 +302,7 @@ static int nsse16_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2,
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if (c)
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score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
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else
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score1 = sse16_mmx(c, pix1, pix2, line_size, h);
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score1 = ff_sse16_mmx(c, pix1, pix2, line_size, h);
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score2 = hf_noise16_mmx(pix1, line_size, h) -
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hf_noise16_mmx(pix2, line_size, h);
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@ -440,7 +315,7 @@ static int nsse16_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2,
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static int nsse8_mmx(MpegEncContext *c, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h)
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{
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int score1 = sse8_mmx(c, pix1, pix2, line_size, h);
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int score1 = ff_sse8_mmx(c, pix1, pix2, line_size, h);
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int score2 = hf_noise8_mmx(pix1, line_size, h) -
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hf_noise8_mmx(pix2, line_size, h);
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@ -891,6 +766,8 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
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c->diff_pixels = ff_diff_pixels_mmx;
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c->pix_sum = ff_pix_sum16_mmx;
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c->pix_norm1 = ff_pix_norm1_mmx;
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c->sse[0] = ff_sse16_mmx;
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c->sse[1] = ff_sse8_mmx;
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}
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if (EXTERNAL_SSE2(cpu_flags))
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@ -904,8 +781,6 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
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c->fdct = ff_fdct_mmx;
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c->diff_bytes = diff_bytes_mmx;
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c->sse[0] = sse16_mmx;
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c->sse[1] = sse8_mmx;
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c->vsad[4] = vsad_intra16_mmx;
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c->nsse[0] = nsse16_mmx;
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