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comparison: media/libvpx/vp8/encoder/x86/quantize_ssse3.asm
media/libvpx/vp8/encoder/x86/quantize_ssse3.asm
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- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:3c8708dc7e59 |
|---|---|
| 1 ; | |
| 2 ; Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 ; | |
| 4 ; Use of this source code is governed by a BSD-style license and patent | |
| 5 ; grant that can be found in the LICENSE file in the root of the source | |
| 6 ; tree. All contributing project authors may be found in the AUTHORS | |
| 7 ; file in the root of the source tree. | |
| 8 ; | |
| 9 | |
| 10 | |
| 11 %include "vpx_ports/x86_abi_support.asm" | |
| 12 %include "vp8_asm_enc_offsets.asm" | |
| 13 | |
| 14 | |
| 15 ; void vp8_fast_quantize_b_ssse3 | arg | |
| 16 ; (BLOCK *b, | 0 | |
| 17 ; BLOCKD *d) | 1 | |
| 18 ; | |
| 19 | |
| 20 global sym(vp8_fast_quantize_b_ssse3) PRIVATE | |
| 21 sym(vp8_fast_quantize_b_ssse3): | |
| 22 push rbp | |
| 23 mov rbp, rsp | |
| 24 GET_GOT rbx | |
| 25 | |
| 26 %if ABI_IS_32BIT | |
| 27 push rdi | |
| 28 push rsi | |
| 29 %else | |
| 30 %if LIBVPX_YASM_WIN64 | |
| 31 push rdi | |
| 32 push rsi | |
| 33 %endif | |
| 34 %endif | |
| 35 ; end prolog | |
| 36 | |
| 37 %if ABI_IS_32BIT | |
| 38 mov rdi, arg(0) ; BLOCK *b | |
| 39 mov rsi, arg(1) ; BLOCKD *d | |
| 40 %else | |
| 41 %if LIBVPX_YASM_WIN64 | |
| 42 mov rdi, rcx ; BLOCK *b | |
| 43 mov rsi, rdx ; BLOCKD *d | |
| 44 %else | |
| 45 ;mov rdi, rdi ; BLOCK *b | |
| 46 ;mov rsi, rsi ; BLOCKD *d | |
| 47 %endif | |
| 48 %endif | |
| 49 | |
| 50 mov rax, [rdi + vp8_block_coeff] | |
| 51 mov rcx, [rdi + vp8_block_round] | |
| 52 mov rdx, [rdi + vp8_block_quant_fast] | |
| 53 | |
| 54 ; coeff | |
| 55 movdqa xmm0, [rax] | |
| 56 movdqa xmm4, [rax + 16] | |
| 57 | |
| 58 ; round | |
| 59 movdqa xmm2, [rcx] | |
| 60 movdqa xmm3, [rcx + 16] | |
| 61 | |
| 62 movdqa xmm1, xmm0 | |
| 63 movdqa xmm5, xmm4 | |
| 64 | |
| 65 ; sz = z >> 15 | |
| 66 psraw xmm0, 15 | |
| 67 psraw xmm4, 15 | |
| 68 | |
| 69 pabsw xmm1, xmm1 | |
| 70 pabsw xmm5, xmm5 | |
| 71 | |
| 72 paddw xmm1, xmm2 | |
| 73 paddw xmm5, xmm3 | |
| 74 | |
| 75 ; quant_fast | |
| 76 pmulhw xmm1, [rdx] | |
| 77 pmulhw xmm5, [rdx + 16] | |
| 78 | |
| 79 mov rax, [rsi + vp8_blockd_qcoeff] | |
| 80 mov rdi, [rsi + vp8_blockd_dequant] | |
| 81 mov rcx, [rsi + vp8_blockd_dqcoeff] | |
| 82 | |
| 83 movdqa xmm2, xmm1 ;store y for getting eob | |
| 84 movdqa xmm3, xmm5 | |
| 85 | |
| 86 pxor xmm1, xmm0 | |
| 87 pxor xmm5, xmm4 | |
| 88 psubw xmm1, xmm0 | |
| 89 psubw xmm5, xmm4 | |
| 90 | |
| 91 movdqa [rax], xmm1 | |
| 92 movdqa [rax + 16], xmm5 | |
| 93 | |
| 94 movdqa xmm0, [rdi] | |
| 95 movdqa xmm4, [rdi + 16] | |
| 96 | |
| 97 pmullw xmm0, xmm1 | |
| 98 pmullw xmm4, xmm5 | |
| 99 pxor xmm1, xmm1 | |
| 100 | |
| 101 pcmpgtw xmm2, xmm1 ;calculate eob | |
| 102 pcmpgtw xmm3, xmm1 | |
| 103 packsswb xmm2, xmm3 | |
| 104 pshufb xmm2, [GLOBAL(zz_shuf)] | |
| 105 | |
| 106 pmovmskb edx, xmm2 | |
| 107 | |
| 108 movdqa [rcx], xmm0 ;store dqcoeff | |
| 109 movdqa [rcx + 16], xmm4 ;store dqcoeff | |
| 110 mov rcx, [rsi + vp8_blockd_eob] | |
| 111 | |
| 112 bsr eax, edx ;count 0 | |
| 113 add eax, 1 | |
| 114 | |
| 115 cmp edx, 0 ;if all 0, eob=0 | |
| 116 cmove eax, edx | |
| 117 | |
| 118 mov BYTE PTR [rcx], al ;store eob | |
| 119 | |
| 120 ; begin epilog | |
| 121 %if ABI_IS_32BIT | |
| 122 pop rsi | |
| 123 pop rdi | |
| 124 %else | |
| 125 %if LIBVPX_YASM_WIN64 | |
| 126 pop rsi | |
| 127 pop rdi | |
| 128 %endif | |
| 129 %endif | |
| 130 | |
| 131 RESTORE_GOT | |
| 132 pop rbp | |
| 133 ret | |
| 134 | |
| 135 SECTION_RODATA | |
| 136 align 16 | |
| 137 zz_shuf: | |
| 138 db 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 |
