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, 15 139
