2010-10-18 20:15:15 +02:00
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;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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;void vp8_subtract_b_sse2_impl(unsigned char *z, int src_stride,
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; short *diff, unsigned char *Predictor,
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; int pitch);
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global sym(vp8_subtract_b_sse2_impl)
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sym(vp8_subtract_b_sse2_impl):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 5
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2010-10-26 05:45:02 +02:00
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GET_GOT rbx
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2010-10-18 20:15:15 +02:00
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push rsi
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push rdi
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; end prolog
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mov rdi, arg(2) ;diff
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mov rax, arg(3) ;Predictor
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mov rsi, arg(0) ;z
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movsxd rdx, dword ptr arg(1);src_stride;
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movsxd rcx, dword ptr arg(4);pitch
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pxor mm7, mm7
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movd mm0, [rsi]
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movd mm1, [rax]
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punpcklbw mm0, mm7
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punpcklbw mm1, mm7
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psubw mm0, mm1
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2010-10-21 19:42:24 +02:00
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movq MMWORD PTR [rdi], mm0
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2010-10-18 20:15:15 +02:00
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movd mm0, [rsi+rdx]
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movd mm1, [rax+rcx]
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punpcklbw mm0, mm7
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punpcklbw mm1, mm7
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psubw mm0, mm1
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2010-10-21 19:42:24 +02:00
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movq MMWORD PTR [rdi+rcx*2], mm0
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2010-10-18 20:15:15 +02:00
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movd mm0, [rsi+rdx*2]
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movd mm1, [rax+rcx*2]
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punpcklbw mm0, mm7
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punpcklbw mm1, mm7
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psubw mm0, mm1
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2010-10-21 19:42:24 +02:00
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movq MMWORD PTR [rdi+rcx*4], mm0
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2010-10-18 20:15:15 +02:00
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lea rsi, [rsi+rdx*2]
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lea rcx, [rcx+rcx*2]
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movd mm0, [rsi+rdx]
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movd mm1, [rax+rcx]
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punpcklbw mm0, mm7
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punpcklbw mm1, mm7
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psubw mm0, mm1
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2010-10-21 19:42:24 +02:00
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movq MMWORD PTR [rdi+rcx*2], mm0
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2010-10-18 20:15:15 +02:00
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; begin epilog
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pop rdi
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pop rsi
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2010-10-26 05:45:02 +02:00
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RESTORE_GOT
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2010-10-18 20:15:15 +02:00
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UNSHADOW_ARGS
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pop rbp
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ret
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;void vp8_subtract_mby_sse2(short *diff, unsigned char *src, unsigned char *pred, int stride)
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global sym(vp8_subtract_mby_sse2)
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sym(vp8_subtract_mby_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 4
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2010-10-28 22:59:03 +02:00
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SAVE_XMM
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(1) ;src
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mov rdi, arg(0) ;diff
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mov rax, arg(2) ;pred
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movsxd rdx, dword ptr arg(3) ;stride
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mov rcx, 8 ; do two lines at one time
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submby_loop:
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2010-10-21 19:42:24 +02:00
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movdqa xmm0, XMMWORD PTR [rsi] ; src
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movdqa xmm1, XMMWORD PTR [rax] ; pred
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2010-10-18 20:15:15 +02:00
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movdqa xmm2, xmm0
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psubb xmm0, xmm1
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi], xmm0
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movdqa XMMWORD PTR [rdi +16], xmm2
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2010-10-21 19:42:24 +02:00
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movdqa xmm4, XMMWORD PTR [rsi + rdx]
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movdqa xmm5, XMMWORD PTR [rax + 16]
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2010-10-18 20:15:15 +02:00
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movdqa xmm6, xmm4
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psubb xmm4, xmm5
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pxor xmm5, [GLOBAL(t80)] ;convert to signed values
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pxor xmm6, [GLOBAL(t80)]
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pcmpgtb xmm5, xmm6 ; obtain sign information
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movdqa xmm6, xmm4
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movdqa xmm7, xmm5
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punpcklbw xmm4, xmm5 ; put sign back to subtraction
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punpckhbw xmm6, xmm7 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi +32], xmm4
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movdqa XMMWORD PTR [rdi +48], xmm6
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2010-10-18 20:15:15 +02:00
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add rdi, 64
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add rax, 32
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lea rsi, [rsi+rdx*2]
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sub rcx, 1
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jnz submby_loop
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pop rdi
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pop rsi
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; begin epilog
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2010-10-26 05:45:02 +02:00
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RESTORE_GOT
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2010-10-28 22:59:03 +02:00
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RESTORE_XMM
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2010-10-18 20:15:15 +02:00
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UNSHADOW_ARGS
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pop rbp
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ret
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;void vp8_subtract_mbuv_sse2(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride)
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global sym(vp8_subtract_mbuv_sse2)
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sym(vp8_subtract_mbuv_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 5
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2010-10-26 05:45:02 +02:00
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GET_GOT rbx
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2010-10-18 20:15:15 +02:00
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push rsi
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push rdi
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; end prolog
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mov rdi, arg(0) ;diff
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mov rax, arg(3) ;pred
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mov rsi, arg(1) ;z = usrc
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add rdi, 256*2 ;diff = diff + 256 (shorts)
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add rax, 256 ;Predictor = pred + 256
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movsxd rdx, dword ptr arg(4) ;stride;
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lea rcx, [rdx + rdx*2]
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;u
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;line 0 1
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi] ; src
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movq xmm2, MMWORD PTR [rsi+rdx]
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movdqa xmm1, XMMWORD PTR [rax] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi], xmm0
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movdqa XMMWORD PTR [rdi +16], xmm2
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2010-10-18 20:15:15 +02:00
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;line 2 3
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi+rdx*2] ; src
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movq xmm2, MMWORD PTR [rsi+rcx]
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movdqa xmm1, XMMWORD PTR [rax+16] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi + 32], xmm0
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movdqa XMMWORD PTR [rdi + 48], xmm2
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;line 4 5
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lea rsi, [rsi + rdx*4]
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi] ; src
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movq xmm2, MMWORD PTR [rsi+rdx]
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movdqa xmm1, XMMWORD PTR [rax + 32] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi + 64], xmm0
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movdqa XMMWORD PTR [rdi + 80], xmm2
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;line 6 7
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi+rdx*2] ; src
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movq xmm2, MMWORD PTR [rsi+rcx]
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movdqa xmm1, XMMWORD PTR [rax+ 48] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi + 96], xmm0
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movdqa XMMWORD PTR [rdi + 112], xmm2
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2010-10-18 20:15:15 +02:00
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;v
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mov rsi, arg(2) ;z = vsrc
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add rdi, 64*2 ;diff = diff + 320 (shorts)
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add rax, 64 ;Predictor = pred + 320
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;line 0 1
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi] ; src
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movq xmm2, MMWORD PTR [rsi+rdx]
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movdqa xmm1, XMMWORD PTR [rax] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi], xmm0
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movdqa XMMWORD PTR [rdi +16], xmm2
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2010-10-18 20:15:15 +02:00
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;line 2 3
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi+rdx*2] ; src
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movq xmm2, MMWORD PTR [rsi+rcx]
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movdqa xmm1, XMMWORD PTR [rax+16] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi + 32], xmm0
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movdqa XMMWORD PTR [rdi + 48], xmm2
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2010-10-18 20:15:15 +02:00
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;line 4 5
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lea rsi, [rsi + rdx*4]
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi] ; src
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movq xmm2, MMWORD PTR [rsi+rdx]
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movdqa xmm1, XMMWORD PTR [rax + 32] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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psubb xmm0, xmm1 ; subtraction with sign missed
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pxor xmm1, [GLOBAL(t80)] ;convert to signed values
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pxor xmm2, [GLOBAL(t80)]
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pcmpgtb xmm1, xmm2 ; obtain sign information
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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punpcklbw xmm0, xmm1 ; put sign back to subtraction
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punpckhbw xmm2, xmm3 ; put sign back to subtraction
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2010-10-21 19:42:24 +02:00
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movdqa XMMWORD PTR [rdi + 64], xmm0
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movdqa XMMWORD PTR [rdi + 80], xmm2
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2010-10-18 20:15:15 +02:00
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;line 6 7
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2010-10-21 19:42:24 +02:00
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movq xmm0, MMWORD PTR [rsi+rdx*2] ; src
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movq xmm2, MMWORD PTR [rsi+rcx]
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movdqa xmm1, XMMWORD PTR [rax+ 48] ; pred
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2010-10-18 20:15:15 +02:00
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punpcklqdq xmm0, xmm2
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movdqa xmm2, xmm0
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|
psubb xmm0, xmm1 ; subtraction with sign missed
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|
pxor xmm1, [GLOBAL(t80)] ;convert to signed values
|
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|
pxor xmm2, [GLOBAL(t80)]
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|
|
pcmpgtb xmm1, xmm2 ; obtain sign information
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|
movdqa xmm2, xmm0
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|
movdqa xmm3, xmm1
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|
punpcklbw xmm0, xmm1 ; put sign back to subtraction
|
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|
punpckhbw xmm2, xmm3 ; put sign back to subtraction
|
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|
|
2010-10-21 19:42:24 +02:00
|
|
|
movdqa XMMWORD PTR [rdi + 96], xmm0
|
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movdqa XMMWORD PTR [rdi + 112], xmm2
|
2010-10-18 20:15:15 +02:00
|
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|
|
; begin epilog
|
|
|
|
|
pop rdi
|
|
|
|
|
pop rsi
|
2010-10-26 05:45:02 +02:00
|
|
|
RESTORE_GOT
|
2010-10-18 20:15:15 +02:00
|
|
|
UNSHADOW_ARGS
|
|
|
|
|
pop rbp
|
|
|
|
|
ret
|
|
|
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|
SECTION_RODATA
|
|
|
|
|
align 16
|
|
|
|
|
t80:
|
|
|
|
|
times 16 db 0x80
|
