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Unified Diff: source/libvpx/vpx_dsp/x86/halfpix_variance_impl_sse2.asm

Issue 1322703002: Cherry pick vp8 halfpix variance fix (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx@m46-2490
Patch Set: Created 5 years, 4 months ago
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Index: source/libvpx/vpx_dsp/x86/halfpix_variance_impl_sse2.asm
diff --git a/source/libvpx/vpx_dsp/x86/halfpix_variance_impl_sse2.asm b/source/libvpx/vpx_dsp/x86/halfpix_variance_impl_sse2.asm
new file mode 100644
index 0000000000000000000000000000000000000000..cc26bb6124ff9c21e3c08160e0d648554dcd66bb
--- /dev/null
+++ b/source/libvpx/vpx_dsp/x86/halfpix_variance_impl_sse2.asm
@@ -0,0 +1,346 @@
+;
+; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+;
+; Use of this source code is governed by a BSD-style license
+; that can be found in the LICENSE file in the root of the source
+; tree. An additional intellectual property rights grant can be found
+; in the file PATENTS. All contributing project authors may
+; be found in the AUTHORS file in the root of the source tree.
+;
+
+%include "vpx_ports/x86_abi_support.asm"
+
+;void vpx_half_horiz_vert_variance16x_h_sse2(unsigned char *ref,
+; int ref_stride,
+; unsigned char *src,
+; int src_stride,
+; unsigned int height,
+; int *sum,
+; unsigned int *sumsquared)
+global sym(vpx_half_horiz_vert_variance16x_h_sse2) PRIVATE
+sym(vpx_half_horiz_vert_variance16x_h_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 7
+ SAVE_XMM 7
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ pxor xmm6, xmm6 ; error accumulator
+ pxor xmm7, xmm7 ; sse eaccumulator
+ mov rsi, arg(0) ;ref
+
+ mov rdi, arg(2) ;src
+ movsxd rcx, dword ptr arg(4) ;height
+ movsxd rax, dword ptr arg(1) ;ref_stride
+ movsxd rdx, dword ptr arg(3) ;src_stride
+
+ pxor xmm0, xmm0 ;
+
+ movdqu xmm5, XMMWORD PTR [rsi]
+ movdqu xmm3, XMMWORD PTR [rsi+1]
+ pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3) horizontal line 1
+
+ lea rsi, [rsi + rax]
+
+vpx_half_horiz_vert_variance16x_h_1:
+ movdqu xmm1, XMMWORD PTR [rsi] ;
+ movdqu xmm2, XMMWORD PTR [rsi+1] ;
+ pavgb xmm1, xmm2 ; xmm1 = avg(xmm1,xmm3) horizontal line i+1
+
+ pavgb xmm5, xmm1 ; xmm = vertical average of the above
+
+ movdqa xmm4, xmm5
+ punpcklbw xmm5, xmm0 ; xmm5 = words of above
+ punpckhbw xmm4, xmm0
+
+ movq xmm3, QWORD PTR [rdi] ; xmm3 = d0,d1,d2..d7
+ punpcklbw xmm3, xmm0 ; xmm3 = words of above
+ psubw xmm5, xmm3 ; xmm5 -= xmm3
+
+ movq xmm3, QWORD PTR [rdi+8]
+ punpcklbw xmm3, xmm0
+ psubw xmm4, xmm3
+
+ paddw xmm6, xmm5 ; xmm6 += accumulated column differences
+ paddw xmm6, xmm4
+ pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
+ pmaddwd xmm4, xmm4
+ paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
+ paddd xmm7, xmm4
+
+ movdqa xmm5, xmm1 ; save xmm1 for use on the next row
+
+ lea rsi, [rsi + rax]
+ lea rdi, [rdi + rdx]
+
+ sub rcx, 1 ;
+ jnz vpx_half_horiz_vert_variance16x_h_1 ;
+
+ pxor xmm1, xmm1
+ pxor xmm5, xmm5
+
+ punpcklwd xmm0, xmm6
+ punpckhwd xmm1, xmm6
+ psrad xmm0, 16
+ psrad xmm1, 16
+ paddd xmm0, xmm1
+ movdqa xmm1, xmm0
+
+ movdqa xmm6, xmm7
+ punpckldq xmm6, xmm5
+ punpckhdq xmm7, xmm5
+ paddd xmm6, xmm7
+
+ punpckldq xmm0, xmm5
+ punpckhdq xmm1, xmm5
+ paddd xmm0, xmm1
+
+ movdqa xmm7, xmm6
+ movdqa xmm1, xmm0
+
+ psrldq xmm7, 8
+ psrldq xmm1, 8
+
+ paddd xmm6, xmm7
+ paddd xmm0, xmm1
+
+ mov rsi, arg(5) ;[Sum]
+ mov rdi, arg(6) ;[SSE]
+
+ movd [rsi], xmm0
+ movd [rdi], xmm6
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ RESTORE_XMM
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+
+;void vpx_half_vert_variance16x_h_sse2(unsigned char *ref,
+; int ref_stride,
+; unsigned char *src,
+; int src_stride,
+; unsigned int height,
+; int *sum,
+; unsigned int *sumsquared)
+global sym(vpx_half_vert_variance16x_h_sse2) PRIVATE
+sym(vpx_half_vert_variance16x_h_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 7
+ SAVE_XMM 7
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ pxor xmm6, xmm6 ; error accumulator
+ pxor xmm7, xmm7 ; sse eaccumulator
+ mov rsi, arg(0) ;ref
+
+ mov rdi, arg(2) ;src
+ movsxd rcx, dword ptr arg(4) ;height
+ movsxd rax, dword ptr arg(1) ;ref_stride
+ movsxd rdx, dword ptr arg(3) ;src_stride
+
+ movdqu xmm5, XMMWORD PTR [rsi]
+ lea rsi, [rsi + rax ]
+ pxor xmm0, xmm0
+
+vpx_half_vert_variance16x_h_1:
+ movdqu xmm3, XMMWORD PTR [rsi]
+
+ pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3)
+ movdqa xmm4, xmm5
+ punpcklbw xmm5, xmm0
+ punpckhbw xmm4, xmm0
+
+ movq xmm2, QWORD PTR [rdi]
+ punpcklbw xmm2, xmm0
+ psubw xmm5, xmm2
+ movq xmm2, QWORD PTR [rdi+8]
+ punpcklbw xmm2, xmm0
+ psubw xmm4, xmm2
+
+ paddw xmm6, xmm5 ; xmm6 += accumulated column differences
+ paddw xmm6, xmm4
+ pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
+ pmaddwd xmm4, xmm4
+ paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
+ paddd xmm7, xmm4
+
+ movdqa xmm5, xmm3
+
+ lea rsi, [rsi + rax]
+ lea rdi, [rdi + rdx]
+
+ sub rcx, 1
+ jnz vpx_half_vert_variance16x_h_1
+
+ pxor xmm1, xmm1
+ pxor xmm5, xmm5
+
+ punpcklwd xmm0, xmm6
+ punpckhwd xmm1, xmm6
+ psrad xmm0, 16
+ psrad xmm1, 16
+ paddd xmm0, xmm1
+ movdqa xmm1, xmm0
+
+ movdqa xmm6, xmm7
+ punpckldq xmm6, xmm5
+ punpckhdq xmm7, xmm5
+ paddd xmm6, xmm7
+
+ punpckldq xmm0, xmm5
+ punpckhdq xmm1, xmm5
+ paddd xmm0, xmm1
+
+ movdqa xmm7, xmm6
+ movdqa xmm1, xmm0
+
+ psrldq xmm7, 8
+ psrldq xmm1, 8
+
+ paddd xmm6, xmm7
+ paddd xmm0, xmm1
+
+ mov rsi, arg(5) ;[Sum]
+ mov rdi, arg(6) ;[SSE]
+
+ movd [rsi], xmm0
+ movd [rdi], xmm6
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ RESTORE_XMM
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+
+;void vpx_half_horiz_variance16x_h_sse2(unsigned char *ref,
+; int ref_stride
+; unsigned char *src,
+; int src_stride,
+; unsigned int height,
+; int *sum,
+; unsigned int *sumsquared)
+global sym(vpx_half_horiz_variance16x_h_sse2) PRIVATE
+sym(vpx_half_horiz_variance16x_h_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 7
+ SAVE_XMM 7
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ pxor xmm6, xmm6 ; error accumulator
+ pxor xmm7, xmm7 ; sse eaccumulator
+ mov rsi, arg(0) ;ref
+
+ mov rdi, arg(2) ;src
+ movsxd rcx, dword ptr arg(4) ;height
+ movsxd rax, dword ptr arg(1) ;ref_stride
+ movsxd rdx, dword ptr arg(3) ;src_stride
+
+ pxor xmm0, xmm0 ;
+
+vpx_half_horiz_variance16x_h_1:
+ movdqu xmm5, XMMWORD PTR [rsi] ; xmm5 = s0,s1,s2..s15
+ movdqu xmm3, XMMWORD PTR [rsi+1] ; xmm3 = s1,s2,s3..s16
+
+ pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3)
+ movdqa xmm1, xmm5
+ punpcklbw xmm5, xmm0 ; xmm5 = words of above
+ punpckhbw xmm1, xmm0
+
+ movq xmm3, QWORD PTR [rdi] ; xmm3 = d0,d1,d2..d7
+ punpcklbw xmm3, xmm0 ; xmm3 = words of above
+ movq xmm2, QWORD PTR [rdi+8]
+ punpcklbw xmm2, xmm0
+
+ psubw xmm5, xmm3 ; xmm5 -= xmm3
+ psubw xmm1, xmm2
+ paddw xmm6, xmm5 ; xmm6 += accumulated column differences
+ paddw xmm6, xmm1
+ pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
+ pmaddwd xmm1, xmm1
+ paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
+ paddd xmm7, xmm1
+
+ lea rsi, [rsi + rax]
+ lea rdi, [rdi + rdx]
+
+ sub rcx, 1 ;
+ jnz vpx_half_horiz_variance16x_h_1 ;
+
+ pxor xmm1, xmm1
+ pxor xmm5, xmm5
+
+ punpcklwd xmm0, xmm6
+ punpckhwd xmm1, xmm6
+ psrad xmm0, 16
+ psrad xmm1, 16
+ paddd xmm0, xmm1
+ movdqa xmm1, xmm0
+
+ movdqa xmm6, xmm7
+ punpckldq xmm6, xmm5
+ punpckhdq xmm7, xmm5
+ paddd xmm6, xmm7
+
+ punpckldq xmm0, xmm5
+ punpckhdq xmm1, xmm5
+ paddd xmm0, xmm1
+
+ movdqa xmm7, xmm6
+ movdqa xmm1, xmm0
+
+ psrldq xmm7, 8
+ psrldq xmm1, 8
+
+ paddd xmm6, xmm7
+ paddd xmm0, xmm1
+
+ mov rsi, arg(5) ;[Sum]
+ mov rdi, arg(6) ;[SSE]
+
+ movd [rsi], xmm0
+ movd [rdi], xmm6
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ RESTORE_XMM
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+SECTION_RODATA
+; short xmm_bi_rd[8] = { 64, 64, 64, 64,64, 64, 64, 64};
+align 16
+xmm_bi_rd:
+ times 8 dw 64
+align 16
+vpx_bilinear_filters_sse2:
+ dw 128, 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0
+ dw 112, 112, 112, 112, 112, 112, 112, 112, 16, 16, 16, 16, 16, 16, 16, 16
+ dw 96, 96, 96, 96, 96, 96, 96, 96, 32, 32, 32, 32, 32, 32, 32, 32
+ dw 80, 80, 80, 80, 80, 80, 80, 80, 48, 48, 48, 48, 48, 48, 48, 48
+ dw 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
+ dw 48, 48, 48, 48, 48, 48, 48, 48, 80, 80, 80, 80, 80, 80, 80, 80
+ dw 32, 32, 32, 32, 32, 32, 32, 32, 96, 96, 96, 96, 96, 96, 96, 96
+ dw 16, 16, 16, 16, 16, 16, 16, 16, 112, 112, 112, 112, 112, 112, 112, 112
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