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;/************************************************************************** |
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; * |
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; * XVID MPEG-4 VIDEO CODEC |
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; * - 3dne Quantization/Dequantization - |
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; * |
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; * Copyright(C) 2002-2003 Jaan Kalda |
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; * |
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; * This program is free software ; you can redistribute it and/or modify |
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; * it under the terms of the GNU General Public License as published by |
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; * the Free Software Foundation ; either version 2 of the License, or |
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; * (at your option) any later version. |
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; * |
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; * This program is distributed in the hope that it will be useful, |
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; * but WITHOUT ANY WARRANTY ; without even the implied warranty of |
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; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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; * GNU General Public License for more details. |
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; * |
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; * You should have received a copy of the GNU General Public License |
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; * along with this program ; if not, write to the Free Software |
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; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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; * |
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; * $Id$ |
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; * |
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; *************************************************************************/ |
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; |
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; these 3dne functions are compatible with iSSE, but are optimized specifically for |
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; K7 pipelines |
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|
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; enable dequant saturate [-2048,2047], test purposes only. |
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%define SATURATE |
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|
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; data/text alignment |
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%define ALIGN 16 |
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|
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bits 32 |
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|
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%macro cglobal 1 |
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%ifdef PREFIX |
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global _%1 |
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%define %1 _%1 |
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%else |
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global %1 |
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%endif |
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%endmacro |
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|
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;*************************************************************************** |
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; Local data |
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;*************************************************************************** |
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|
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%ifdef FORMAT_COFF |
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section .data data |
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%else |
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section .data data align=16 |
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%endif |
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|
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align 4 |
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int_div: |
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dd 0 |
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%assign i 1 |
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%rep 255 |
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dd (1 << 16) / (i) + 1 |
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%assign i i+1 |
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%endrep |
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|
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align 16 |
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plus_one: |
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times 8 dw 1 |
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|
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;=========================================================================== |
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; |
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; subtract by Q/2 table |
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; |
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;=========================================================================== |
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|
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align 16 |
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mmx_sub: |
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%assign i 1 |
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%rep 31 |
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times 4 dw i / 2 |
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%assign i i+1 |
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%endrep |
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|
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|
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;=========================================================================== |
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; |
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; divide by 2Q table |
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; |
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; use a shift of 16 to take full advantage of _pmulhw_ |
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; for q=1, _pmulhw_ will overflow so it is treated seperately |
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; (3dnow2 provides _pmulhuw_ which wont cause overflow) |
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; |
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;=========================================================================== |
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|
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align 16 |
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mmx_div: |
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%assign i 1 |
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%rep 31 |
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times 4 dw (1 << 16) / (i * 2) + 1 |
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%assign i i+1 |
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%endrep |
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|
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;=========================================================================== |
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; |
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; add by (odd(Q) ? Q : Q - 1) table |
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; |
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;=========================================================================== |
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|
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align 16 |
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mmx_add: |
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%assign i 1 |
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%rep 31 |
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%if i % 2 != 0 |
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times 4 dw i |
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%else |
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times 4 dw i - 1 |
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%endif |
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%assign i i+1 |
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%endrep |
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|
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;=========================================================================== |
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; |
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; multiple by 2Q table |
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; |
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;=========================================================================== |
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|
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align 16 |
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mmx_mul: |
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%assign i 1 |
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%rep 31 |
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times 4 dw i * 2 |
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%assign i i+1 |
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%endrep |
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|
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;=========================================================================== |
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; |
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; saturation limits |
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; |
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;=========================================================================== |
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|
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align 8 |
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mmx_32768_minus_2048: |
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times 4 dw (32768-2048) |
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mmx_32767_minus_2047: |
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times 4 dw (32767-2047) |
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|
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align 16 |
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mmx_2047: |
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times 4 dw 2047 |
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|
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align 8 |
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mmzero: |
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dd 0, 0 |
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int2047: |
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dd 2047 |
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int_2048: |
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dd -2048 |
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|
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;*************************************************************************** |
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; Code |
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;*************************************************************************** |
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|
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section .text |
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|
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|
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;=========================================================================== |
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; |
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; uint32_t quant_h263_intra_3dne(int16_t * coeff, |
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; const int16_t const * data, |
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; const uint32_t quant, |
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; const uint32_t dcscalar); |
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; |
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;=========================================================================== |
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;This is Athlon-optimized code (ca 70 clk per call) |
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|
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%macro quant_intra1 1 |
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|
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psubw mm1, mm0 ;A3 |
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psubw mm3, mm2 ;B3 |
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%if (%1) |
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psubw mm5, mm4 ;C8 |
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psubw mm7, mm6 ;D8 |
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%endif |
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|
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align 8 |
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db 0Fh, 6Fh, 64h, 21h, (%1 * 32 +16) ;movq mm4, [ecx + %1 * 32 +16+32] ;C1 |
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pmaxsw mm1, mm0 ;A4 |
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db 0Fh, 6Fh, 74h, 21h, (%1 * 32 +24) ;movq mm6, [ecx + %1 * 32 +24+32] ;D1 |
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pmaxsw mm3, mm2 ;B4 |
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|
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|
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psraw mm0, 15 ;A5 |
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psraw mm2, 15 ;B5 |
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%if (%1) |
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movq [edx + %1 * 32 + 16-32], mm5 ;C9 |
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movq [edx + %1 * 32 + 24-32], mm7 ;D9 |
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%endif |
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|
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psrlw mm1, 1 ;A6 |
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psrlw mm3, 1 ;B6 |
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movq mm5, [ebx] ;C2 |
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movq mm7, [ebx] ;D2 |
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|
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pxor mm1, mm0 ;A7 |
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pxor mm3, mm2 ;B7 |
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|
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psubw mm5, mm4 ;C3 |
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psubw mm7, mm6 ;D3 |
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psubw mm1, mm0 ;A8 |
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psubw mm3, mm2 ;B8 |
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|
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%if (%1 == 0) |
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push ebp |
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movq mm0, [ecx + %1 * 32 +32] |
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%elif (%1 < 3) |
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db 0Fh, 6Fh, 44h, 21h, (%1 * 32 +32) ;movq mm0, [ecx + %1 * 32 +32] ;A1 |
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%endif |
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pmaxsw mm5, mm4 ;C4 |
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%if (%1 < 3) |
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db 0Fh, 6Fh, 54h, 21h, ( %1 * 32 +8+32) ;movq mm2, [ecx + %1 * 32 +8+32] ;B1 |
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%else |
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cmp esp, esp |
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%endif |
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pmaxsw mm7, mm6 ;D4 |
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|
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psraw mm4, 15 ;C5 |
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psraw mm6, 15 ;D5 |
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movq [byte edx + %1 * 32], mm1 ;A9 |
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movq [edx + %1 * 32+8], mm3 ;B9 |
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|
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|
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psrlw mm5, 1 ;C6 |
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psrlw mm7, 1 ;D6 |
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%if (%1 < 3) |
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movq mm1, [ebx] ;A2 |
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movq mm3, [ebx] ;B2 |
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%endif |
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%if (%1 == 3) |
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imul eax, [int_div+4*edi] |
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%endif |
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pxor mm5, mm4 ;C7 |
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pxor mm7, mm6 ;D7 |
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%endm |
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|
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|
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%macro quant_intra 1 |
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; Rules for athlon: |
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; 1) schedule latencies |
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; 2) add/mul and load/store in 2:1 proportion |
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; 3) avoid spliting >3byte instructions over 8byte boundaries |
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|
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psubw mm1, mm0 ;A3 |
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psubw mm3, mm2 ;B3 |
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%if (%1) |
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psubw mm5, mm4 ;C8 |
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psubw mm7, mm6 ;D8 |
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%endif |
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|
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align 8 |
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db 0Fh, 6Fh, 64h, 21h, (%1 * 32 +16) ;movq mm4, [ecx + %1 * 32 +16+32] ;C1 |
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pmaxsw mm1, mm0 ;A4 |
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db 0Fh, 6Fh, 74h, 21h, (%1 * 32 +24) ;movq mm6, [ecx + %1 * 32 +24+32] ;D1 |
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pmaxsw mm3, mm2 ;B4 |
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|
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|
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psraw mm0, 15 ;A5 |
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psraw mm2, 15 ;B5 |
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%if (%1) |
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movq [edx + %1 * 32 + 16-32], mm5 ;C9 |
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movq [edx + %1 * 32 + 24-32], mm7 ;D9 |
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%endif |
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|
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pmulhw mm1, [esi] ;A6 |
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pmulhw mm3, [esi] ;B6 |
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movq mm5, [ebx] ;C2 |
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movq mm7, [ebx] ;D2 |
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|
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nop |
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nop |
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pxor mm1, mm0 ;A7 |
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pxor mm3, mm2 ;B7 |
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|
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psubw mm5, mm4 ;C3 |
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psubw mm7, mm6 ;D3 |
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psubw mm1, mm0 ;A8 |
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psubw mm3, mm2 ;B8 |
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|
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|
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%if (%1 < 3) |
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db 0Fh, 6Fh, 44h, 21h, (%1 * 32 +32) ;movq mm0, [ecx + %1 * 32 +32] ;A1 |
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%endif |
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pmaxsw mm5, mm4 ;C4 |
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%if (%1 < 3) |
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db 0Fh, 6Fh, 54h, 21h, ( %1 * 32 +8+32) ;movq mm2, [ecx + %1 * 32 +8+32] ;B1 |
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%else |
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cmp esp, esp |
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%endif |
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pmaxsw mm7,mm6 ;D4 |
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|
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psraw mm4, 15 ;C5 |
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psraw mm6, 15 ;D5 |
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movq [byte edx + %1 * 32], mm1 ;A9 |
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movq [edx + %1 * 32+8], mm3 ;B9 |
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|
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|
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pmulhw mm5, [esi] ;C6 |
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pmulhw mm7, [esi] ;D6 |
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%if (%1 < 3) |
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movq mm1, [ebx] ;A2 |
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movq mm3, [ebx] ;B2 |
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%endif |
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%if (%1 == 0) |
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push ebp |
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%elif (%1 < 3) |
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nop |
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%endif |
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nop |
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%if (%1 == 3) |
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imul eax, [int_div+4*edi] |
| 319 |
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%endif |
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pxor mm5, mm4 ;C7 |
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pxor mm7, mm6 ;D7 |
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%endmacro |
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|
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|
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align ALIGN |
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cglobal quant_h263_intra_3dne |
| 327 |
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quant_h263_intra_3dne: |
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|
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mov eax, [esp + 12] ; quant |
| 330 |
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mov ecx, [esp + 8] ; data |
| 331 |
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mov edx, [esp + 4] ; coeff |
| 332 |
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cmp al, 1 |
| 333 |
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pxor mm1, mm1 |
| 334 |
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pxor mm3, mm3 |
| 335 |
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movq mm0, [ecx] ; mm0 = [1st] |
| 336 |
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movq mm2, [ecx + 8] |
| 337 |
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push esi |
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lea esi, [mmx_div + eax*8 - 8] |
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|
| 340 |
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push ebx |
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mov ebx, mmzero |
| 342 |
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push edi |
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jz near .q1loop |
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|
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quant_intra 0 |
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mov ebp, [esp + 16 + 16] ; dcscalar |
| 347 |
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; NB -- there are 3 pushes in the function preambule and one more |
| 348 |
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; in "quant_intra 0", thus an added offset of 16 bytes |
| 349 |
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movsx eax, word [byte ecx] ; DC |
| 350 |
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|
| 351 |
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quant_intra 1 |
| 352 |
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mov edi, eax |
| 353 |
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sar edi, 31 ; sign(DC) |
| 354 |
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shr ebp, byte 1 ; ebp = dcscalar/2 |
| 355 |
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|
| 356 |
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quant_intra 2 |
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sub eax, edi ; DC (+1) |
| 358 |
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xor ebp, edi ; sign(DC) dcscalar /2 (-1) |
| 359 |
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mov edi, [esp + 16 + 16] ; dscalar |
| 360 |
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lea eax, [byte eax + ebp] ; DC + sign(DC) dcscalar/2 |
| 361 |
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mov ebp, [byte esp] |
| 362 |
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|
| 363 |
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quant_intra 3 |
| 364 |
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psubw mm5, mm4 ;C8 |
| 365 |
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mov esi, [esp + 12] ; pop back the register value |
| 366 |
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mov edi, [esp + 4] ; pop back the register value |
| 367 |
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sar eax, 16 |
| 368 |
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lea ebx, [byte eax + 1] ; workaround for eax < 0 |
| 369 |
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cmovs eax, ebx ; conditionnaly move the corrected value |
| 370 |
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mov [edx], ax ; coeff[0] = ax |
| 371 |
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mov ebx, [esp + 8] ; pop back the register value |
| 372 |
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add esp, byte 16 ; "quant_intra 0" pushed ebp, but we don't restore that one, just correct the stack offset by 16 |
| 373 |
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psubw mm7, mm6 ;D8 |
| 374 |
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movq [edx + 3 * 32 + 16], mm5 ;C9 |
| 375 |
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movq [edx + 3 * 32 + 24], mm7 ;D9 |
| 376 |
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|
| 377 |
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xor eax, eax |
| 378 |
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ret |
| 379 |
|
|
| 380 |
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align 16 |
| 381 |
|
|
| 382 |
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.q1loop |
| 383 |
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quant_intra1 0 |
| 384 |
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mov ebp, [esp + 16 + 16] ; dcscalar |
| 385 |
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movsx eax, word [byte ecx] ; DC |
| 386 |
|
|
| 387 |
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quant_intra1 1 |
| 388 |
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mov edi, eax |
| 389 |
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sar edi, 31 ; sign(DC) |
| 390 |
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shr ebp, byte 1 ; ebp = dcscalar /2 |
| 391 |
|
|
| 392 |
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quant_intra1 2 |
| 393 |
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sub eax, edi ; DC (+1) |
| 394 |
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xor ebp, edi ; sign(DC) dcscalar /2 (-1) |
| 395 |
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mov edi, [esp + 16 + 16] ; dcscalar |
| 396 |
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lea eax, [byte eax + ebp] ; DC + sign(DC) dcscalar /2 |
| 397 |
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mov ebp, [byte esp] |
| 398 |
|
|
| 399 |
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quant_intra1 3 |
| 400 |
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psubw mm5, mm4 ;C8 |
| 401 |
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mov esi, [dword esp + 12] ; pop back the register value |
| 402 |
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mov edi, [esp + 4] ; pop back the register value |
| 403 |
|
sar eax, 16 |
| 404 |
|
lea ebx, [byte eax + 1] ; workaround for eax < 0 |
| 405 |
|
cmovs eax, ebx ; conditionnaly move the corrected value |
| 406 |
|
mov [edx], ax ; coeff[0] = ax |
| 407 |
|
mov ebx, [esp + 8] ; pop back the register value |
| 408 |
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add esp, byte 16 ; "quant_intra 0" pushed ebp, but we don't restore that one, just correct the stack offset by 16 |
| 409 |
|
psubw mm7, mm6 ;D8 |
| 410 |
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movq [edx + 3 * 32 + 16], mm5 ;C9 |
| 411 |
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movq [edx + 3 * 32 + 24], mm7 ;D9 |
| 412 |
|
|
| 413 |
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xor eax, eax |
| 414 |
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ret |
| 415 |
|
|
| 416 |
|
|
| 417 |
|
|
| 418 |
|
|
| 419 |
|
;=========================================================================== |
| 420 |
|
; |
| 421 |
|
; uint32_t quant_h263_inter_3dne(int16_t * coeff, |
| 422 |
|
; const int16_t const * data, |
| 423 |
|
; const uint32_t quant); |
| 424 |
|
; |
| 425 |
|
;=========================================================================== |
| 426 |
|
;This is Athlon-optimized code (ca 90 clk per call) |
| 427 |
|
;Optimized by Jaan, 30 Nov 2002 |
| 428 |
|
|
| 429 |
|
|
| 430 |
|
%macro quantinter 1 |
| 431 |
|
movq mm1, [eax] ;A2 |
| 432 |
|
psraw mm3, 15 ;B6 |
| 433 |
|
%if (%1) |
| 434 |
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psubw mm2, mm6 ;C10 |
| 435 |
|
%endif |
| 436 |
|
psubw mm1, mm0 ;A3 |
| 437 |
|
pmulhw mm4, mm7 ;B7 |
| 438 |
|
movq mm6, [ecx + %1*24+16] ;C1 |
| 439 |
|
pmaxsw mm1, mm0 ;A4 |
| 440 |
|
paddw mm5, mm4 ;B8 |
| 441 |
|
%if (%1) |
| 442 |
|
movq [edx + %1*24+16-24], mm2 ;C11 |
| 443 |
|
%endif |
| 444 |
|
psubusw mm1, [ebx] ;A5 mm0 -= sub (unsigned, dont go < 0) |
| 445 |
|
pxor mm4, mm3 ;B9 |
| 446 |
|
movq mm2, [eax] ;C2 |
| 447 |
|
psraw mm0, 15 ;A6 |
| 448 |
|
psubw mm4, mm3 ;B10 |
| 449 |
|
psubw mm2, mm6 ;C3 |
| 450 |
|
pmulhw mm1, mm7 ;A7 mm0 = (mm0 / 2Q) >> 24 |
| 451 |
|
movq mm3, [ecx + %1*24+8] ;B1 |
| 452 |
|
pmaxsw mm2, mm6 ;C4 |
| 453 |
|
paddw mm5, mm1 ;A8 sum += mm0 |
| 454 |
|
%if (%1) |
| 455 |
|
movq [edx + %1*24+8-24], mm4 ;B11 |
| 456 |
|
%else |
| 457 |
|
movq [edx + 120], mm4 ;B11 |
| 458 |
|
%endif |
| 459 |
|
psubusw mm2, [ebx] ;C5 |
| 460 |
|
pxor mm1, mm0 ;A9 mm0 *= sign(mm0) |
| 461 |
|
movq mm4, [eax] ;B2 |
| 462 |
|
psraw mm6, 15 ;C6 |
| 463 |
|
psubw mm1, mm0 ;A10 undisplace |
| 464 |
|
psubw mm4, mm3 ;B3 |
| 465 |
|
pmulhw mm2, mm7 ;C7 |
| 466 |
|
movq mm0, [ecx + %1*24+24] ;A1 mm0 = [1st] |
| 467 |
|
pmaxsw mm4, mm3 ;B4 |
| 468 |
|
paddw mm5, mm2 ;C8 |
| 469 |
|
movq [byte edx + %1*24], mm1 ;A11 |
| 470 |
|
psubusw mm4, [ebx] ;B5 |
| 471 |
|
pxor mm2, mm6 ;C9 |
| 472 |
|
%endmacro |
| 473 |
|
|
| 474 |
|
%macro quantinter1 1 |
| 475 |
|
movq mm0, [byte ecx + %1*16] ;mm0 = [1st] |
| 476 |
|
movq mm3, [ecx + %1*16+8] ; |
| 477 |
|
movq mm1, [eax] |
| 478 |
|
movq mm4, [eax] |
| 479 |
|
psubw mm1, mm0 |
| 480 |
|
psubw mm4, mm3 |
| 481 |
|
pmaxsw mm1, mm0 |
| 482 |
|
pmaxsw mm4, mm3 |
| 483 |
|
psubusw mm1, mm6 ; mm0 -= sub (unsigned, dont go < 0) |
| 484 |
|
psubusw mm4, mm6 ; |
| 485 |
|
psraw mm0, 15 |
| 486 |
|
psraw mm3, 15 |
| 487 |
|
psrlw mm1, 1 ; mm0 = (mm0 / 2Q) >> 16 |
| 488 |
|
psrlw mm4, 1 ; |
| 489 |
|
paddw mm5, mm1 ; sum += mm0 |
| 490 |
|
pxor mm1, mm0 ; mm0 *= sign(mm0) |
| 491 |
|
paddw mm5, mm4 |
| 492 |
|
pxor mm4, mm3 ; |
| 493 |
|
psubw mm1, mm0 ; undisplace |
| 494 |
|
psubw mm4, mm3 |
| 495 |
|
cmp esp, esp |
| 496 |
|
movq [byte edx + %1*16], mm1 |
| 497 |
|
movq [edx + %1*16+8], mm4 |
| 498 |
|
%endmacro |
| 499 |
|
|
| 500 |
|
align ALIGN |
| 501 |
|
cglobal quant_h263_inter_3dne |
| 502 |
|
quant_h263_inter_3dne: |
| 503 |
|
mov edx, [esp + 4] ; coeff |
| 504 |
|
mov ecx, [esp + 8] ; data |
| 505 |
|
mov eax, [esp + 12] ; quant |
| 506 |
|
push ebx |
| 507 |
|
|
| 508 |
|
pxor mm5, mm5 ; sum |
| 509 |
|
nop |
| 510 |
|
lea ebx,[mmx_sub + eax * 8 - 8] ; sub |
| 511 |
|
movq mm7, [mmx_div + eax * 8 - 8] ; divider |
| 512 |
|
|
| 513 |
|
cmp al, 1 |
| 514 |
|
lea eax, [mmzero] |
| 515 |
|
jz near .q1loop |
| 516 |
|
cmp esp, esp |
| 517 |
|
align 8 |
| 518 |
|
movq mm3, [ecx + 120] ;B1 |
| 519 |
|
pxor mm4, mm4 ;B2 |
| 520 |
|
psubw mm4, mm3 ;B3 |
| 521 |
|
movq mm0, [ecx] ;A1 mm0 = [1st] |
| 522 |
|
pmaxsw mm4, mm3 ;B4 |
| 523 |
|
psubusw mm4, [ebx] ;B5 |
| 524 |
|
|
| 525 |
|
quantinter 0 |
| 526 |
|
quantinter 1 |
| 527 |
|
quantinter 2 |
| 528 |
|
quantinter 3 |
| 529 |
|
quantinter 4 |
| 530 |
|
|
| 531 |
|
psraw mm3, 15 ;B6 |
| 532 |
|
psubw mm2, mm6 ;C10 |
| 533 |
|
pmulhw mm4, mm7 ;B7 |
| 534 |
|
paddw mm5, mm4 ;B8 |
| 535 |
|
pxor mm4, mm3 ;B9 |
| 536 |
|
psubw mm4, mm3 ;B10 |
| 537 |
|
movq [edx + 4*24+16], mm2 ;C11 |
| 538 |
|
pop ebx |
| 539 |
|
movq [edx + 4*24+8], mm4 ;B11 |
| 540 |
|
pmaddwd mm5, [plus_one] |
| 541 |
|
movq mm0, mm5 |
| 542 |
|
punpckhdq mm5, mm5 |
| 543 |
|
paddd mm0, mm5 |
| 544 |
|
movd eax, mm0 ; return sum |
| 545 |
|
|
| 546 |
|
ret |
| 547 |
|
|
| 548 |
|
align ALIGN |
| 549 |
|
.q1loop |
| 550 |
|
movq mm6, [byte ebx] |
| 551 |
|
|
| 552 |
|
quantinter1 0 |
| 553 |
|
quantinter1 1 |
| 554 |
|
quantinter1 2 |
| 555 |
|
quantinter1 3 |
| 556 |
|
quantinter1 4 |
| 557 |
|
quantinter1 5 |
| 558 |
|
quantinter1 6 |
| 559 |
|
quantinter1 7 |
| 560 |
|
|
| 561 |
|
pmaddwd mm5, [plus_one] |
| 562 |
|
movq mm0, mm5 |
| 563 |
|
psrlq mm5, 32 |
| 564 |
|
paddd mm0, mm5 |
| 565 |
|
movd eax, mm0 ; return sum |
| 566 |
|
|
| 567 |
|
pop ebx |
| 568 |
|
|
| 569 |
|
ret |
| 570 |
|
|
| 571 |
|
;=========================================================================== |
| 572 |
|
; |
| 573 |
|
; uint32_t dequant_h263_intra_3dne(int16_t *data, |
| 574 |
|
; const int16_t const *coeff, |
| 575 |
|
; const uint32_t quant, |
| 576 |
|
; const uint32_t dcscalar); |
| 577 |
|
; |
| 578 |
|
;=========================================================================== |
| 579 |
|
|
| 580 |
|
; this is the same as dequant_inter_3dne, except that we're |
| 581 |
|
; saturating using 'pminsw' (saves 2 cycles/loop => ~5% faster) |
| 582 |
|
|
| 583 |
|
;This is Athlon-optimized code (ca 106 clk per call) |
| 584 |
|
|
| 585 |
|
%macro dequant 1 |
| 586 |
|
movq mm1, [ecx+%1*24] ; c = coeff[i] ;A2 |
| 587 |
|
psubw mm0, mm1 ;-c ;A3 (1st dep) |
| 588 |
|
%if (%1) |
| 589 |
|
paddw mm4, mm6 ;C11 mm6 free (4th+) |
| 590 |
|
%endif |
| 591 |
|
pmaxsw mm0, mm1 ;|c| ;A4 (2nd) |
| 592 |
|
%if (%1) |
| 593 |
|
mov ebp, ebp |
| 594 |
|
pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) later |
| 595 |
|
%endif |
| 596 |
|
movq mm6, [esi] ;0 ;A5 mm6 in use |
| 597 |
|
pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) |
| 598 |
|
%if (%1) |
| 599 |
|
pxor mm5, mm4 ;C13 (6th+) 1later |
| 600 |
|
%endif |
| 601 |
|
movq mm4, [esi] ;C1 ;0 |
| 602 |
|
mov esp, esp |
| 603 |
|
pcmpeqw mm6, [ecx+%1*24] ;A6 (c ==0) ? -1 : 0 (1st) |
| 604 |
|
align 4 |
| 605 |
|
psraw mm1, 15 ; sign(c) ;A7 (2nd) |
| 606 |
|
%if (%1) |
| 607 |
|
movq [edx+%1*24+16-24], mm5 ; C14 (7th) 2later |
| 608 |
|
%endif |
| 609 |
|
paddw mm7, mm3 ;B10 offset +negate back (3rd) |
| 610 |
|
pmullw mm0, [edi] ;*= 2Q ;A8 (3rd+) |
| 611 |
|
paddw mm2, mm7 ;B11 mm7 free (4th+) |
| 612 |
|
lea ebp, [byte ebp] |
| 613 |
|
movq mm5, [ecx+%1*24+16] ;C2 ; c = coeff[i] |
| 614 |
|
psubw mm4, mm5 ;-c ;C3 (1st dep) |
| 615 |
|
pandn mm6, [eax] ;A9 offset = isZero ? 0 : quant_add (2nd) |
| 616 |
|
pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) |
| 617 |
|
pxor mm3, mm2 ;B13 (6th+) |
| 618 |
|
movq mm2, [byte esi] ;B1 ;0 |
| 619 |
|
%if (%1) |
| 620 |
|
movq [edx+%1*24+8-24], mm3 ;B14 (7th) |
| 621 |
|
%else |
| 622 |
|
movq [edx+120], mm3 |
| 623 |
|
%endif |
| 624 |
|
pmaxsw mm4, mm5 ;|c| ;C4 (2nd) |
| 625 |
|
paddw mm6, mm1 ;A10 offset +negate back (3rd) |
| 626 |
|
movq mm3, [ecx+%1*24 + 8] ;B2 ; c = coeff[i] |
| 627 |
|
psubw mm2, mm3 ;-c ;B3 (1st dep) |
| 628 |
|
paddw mm0, mm6 ;A11 mm6 free (4th+) |
| 629 |
|
movq mm6, [byte esi] ;0 ;C5 mm6 in use |
| 630 |
|
pcmpeqw mm6, [ecx+%1*24+16] ;C6 (c ==0) ? -1 : 0 (1st) |
| 631 |
|
pminsw mm0, [ebx] ;A12 saturates to +2047 (5th+) |
| 632 |
|
pmaxsw mm2, mm3 ;|c| ;B4 (2nd) |
| 633 |
|
pxor mm1, mm0 ;A13 (6th+) |
| 634 |
|
pmullw mm4, [edi] ;*= 2Q ;C8 (3rd+) |
| 635 |
|
psraw mm5, 15 ; sign(c) ;C7 (2nd) |
| 636 |
|
movq mm7, [byte esi] ;0 ;B5 mm7 in use |
| 637 |
|
pcmpeqw mm7, [ecx+%1*24 + 8] ;B6 (c ==0) ? -1 : 0 (1st) |
| 638 |
|
%if (%1 < 4) |
| 639 |
|
movq mm0, [byte esi] ;A1 ;0 |
| 640 |
|
%endif |
| 641 |
|
pandn mm6, [byte eax] ;C9 offset = isZero ? 0 : quant_add (2nd) |
| 642 |
|
psraw mm3, 15 ;sign(c) ;B7 (2nd) |
| 643 |
|
movq [byte edx+%1*24], mm1 ;A14 (7th) |
| 644 |
|
paddw mm6, mm5 ;C10 offset +negate back (3rd) |
| 645 |
|
pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) |
| 646 |
|
mov esp, esp |
| 647 |
|
%endmacro |
| 648 |
|
|
| 649 |
|
|
| 650 |
|
align ALIGN |
| 651 |
|
cglobal dequant_h263_intra_3dne |
| 652 |
|
dequant_h263_intra_3dne: |
| 653 |
|
mov ecx, [esp+ 8] ; coeff |
| 654 |
|
mov eax, [esp+12] ; quant |
| 655 |
|
pxor mm0, mm0 |
| 656 |
|
pxor mm2, mm2 |
| 657 |
|
push edi |
| 658 |
|
push ebx |
| 659 |
|
lea edi, [mmx_mul + eax*8 - 8] ; 2*quant |
| 660 |
|
push ebp |
| 661 |
|
mov ebx, mmx_2047 |
| 662 |
|
movsx ebp, word [ecx] |
| 663 |
|
lea eax, [mmx_add + eax*8 - 8] ; quant or quant-1 |
| 664 |
|
push esi |
| 665 |
|
mov esi, mmzero |
| 666 |
|
pxor mm7, mm7 |
| 667 |
|
movq mm3, [ecx+120] ;B2 ; c = coeff[i] |
| 668 |
|
pcmpeqw mm7, [ecx+120] ;B6 (c ==0) ? -1 : 0 (1st) |
| 669 |
|
|
| 670 |
|
imul ebp, [esp+16+16] ; dcscalar |
| 671 |
|
psubw mm2, mm3 ;-c ;B3 (1st dep) |
| 672 |
|
pmaxsw mm2, mm3 ;|c| ;B4 (2nd) |
| 673 |
|
pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) |
| 674 |
|
psraw mm3, 15 ; sign(c) ;B7 (2nd) |
| 675 |
|
mov edx, [esp+ 4+16] ; data |
| 676 |
|
|
| 677 |
|
align 8 |
| 678 |
|
dequant 0 |
| 679 |
|
|
| 680 |
|
cmp ebp, -2048 |
| 681 |
|
mov esp, esp |
| 682 |
|
|
| 683 |
|
dequant 1 |
| 684 |
|
|
| 685 |
|
cmovl ebp, [int_2048] |
| 686 |
|
nop |
| 687 |
|
|
| 688 |
|
dequant 2 |
| 689 |
|
|
| 690 |
|
cmp ebp, 2047 |
| 691 |
|
mov esp, esp |
| 692 |
|
|
| 693 |
|
dequant 3 |
| 694 |
|
|
| 695 |
|
cmovg ebp, [int2047] |
| 696 |
|
nop |
| 697 |
|
|
| 698 |
|
dequant 4 |
| 699 |
|
|
| 700 |
|
paddw mm4, mm6 ;C11 mm6 free (4th+) |
| 701 |
|
pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) |
| 702 |
|
pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) |
| 703 |
|
mov eax, ebp |
| 704 |
|
mov esi, [esp] |
| 705 |
|
mov ebp, [esp+4] |
| 706 |
|
pxor mm5, mm4 ;C13 (6th+) |
| 707 |
|
paddw mm7, mm3 ;B10 offset +negate back (3rd) |
| 708 |
|
movq [edx+4*24+16], mm5 ;C14 (7th) |
| 709 |
|
paddw mm2, mm7 ;B11 mm7 free (4th+) |
| 710 |
|
pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) |
| 711 |
|
mov ebx, [esp+8] |
| 712 |
|
mov edi, [esp+12] |
| 713 |
|
add esp, byte 16 |
| 714 |
|
pxor mm3, mm2 ;B13 (6th+) |
| 715 |
|
movq [edx+4*24+8], mm3 ;B14 (7th) |
| 716 |
|
mov [edx], ax |
| 717 |
|
|
| 718 |
|
xor eax, eax |
| 719 |
|
ret |
| 720 |
|
|
| 721 |
|
;=========================================================================== |
| 722 |
|
; |
| 723 |
|
; uint32_t dequant_h263_inter_3dne(int16_t * data, |
| 724 |
|
; const int16_t * const coeff, |
| 725 |
|
; const uint32_t quant); |
| 726 |
|
; |
| 727 |
|
;=========================================================================== |
| 728 |
|
|
| 729 |
|
; this is the same as dequant_inter_3dne, |
| 730 |
|
; except that we're saturating using 'pminsw' (saves 2 cycles/loop) |
| 731 |
|
; This is Athlon-optimized code (ca 100 clk per call) |
| 732 |
|
|
| 733 |
|
align ALIGN |
| 734 |
|
cglobal dequant_h263_inter_3dne |
| 735 |
|
dequant_h263_inter_3dne: |
| 736 |
|
mov ecx, [esp+ 8] ; coeff |
| 737 |
|
mov eax, [esp+12] ; quant |
| 738 |
|
pxor mm0, mm0 |
| 739 |
|
pxor mm2, mm2 |
| 740 |
|
push edi |
| 741 |
|
push ebx |
| 742 |
|
push esi |
| 743 |
|
lea edi, [mmx_mul + eax*8 - 8] ; 2*quant |
| 744 |
|
mov ebx, mmx_2047 |
| 745 |
|
pxor mm7, mm7 |
| 746 |
|
movq mm3, [ecx+120] ;B2 ; c = coeff[i] |
| 747 |
|
pcmpeqw mm7, [ecx+120] ;B6 (c ==0) ? -1 : 0 (1st) |
| 748 |
|
lea eax, [mmx_add + eax*8 - 8] ; quant or quant-1 |
| 749 |
|
psubw mm2, mm3 ;-c ;B3 (1st dep) |
| 750 |
|
mov esi, mmzero |
| 751 |
|
pmaxsw mm2, mm3 ;|c| ;B4 (2nd) |
| 752 |
|
pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) |
| 753 |
|
psraw mm3, 15 ; sign(c) ;B7 (2nd) |
| 754 |
|
mov edx, [dword esp+ 4+12] ; data |
| 755 |
|
|
| 756 |
|
align 8 |
| 757 |
|
|
| 758 |
|
dequant 0 |
| 759 |
|
dequant 1 |
| 760 |
|
dequant 2 |
| 761 |
|
dequant 3 |
| 762 |
|
dequant 4 |
| 763 |
|
|
| 764 |
|
paddw mm4, mm6 ;C11 mm6 free (4th+) |
| 765 |
|
pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) |
| 766 |
|
pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) |
| 767 |
|
mov esi, [esp] |
| 768 |
|
pxor mm5, mm4 ;C13 (6th+) |
| 769 |
|
paddw mm7, mm3 ;B10 offset +negate back (3rd) |
| 770 |
|
movq [edx+4*24+16], mm5 ;C14 (7th) |
| 771 |
|
paddw mm2, mm7 ;B11 mm7 free (4th+) |
| 772 |
|
pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) |
| 773 |
|
mov ebx, [esp+4] |
| 774 |
|
mov edi, [esp+8] |
| 775 |
|
add esp, byte 12 |
| 776 |
|
pxor mm3, mm2 ;B13 (6th+) |
| 777 |
|
movq [edx+4*24+8], mm3 ;B14 (7th) |
| 778 |
|
|
| 779 |
|
xor eax, eax |
| 780 |
|
ret |
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