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Diffstat (limited to 'media/libvpx/vp8/common/x86/iwalsh_sse2.asm')
-rw-r--r--media/libvpx/vp8/common/x86/iwalsh_sse2.asm121
1 files changed, 121 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/iwalsh_sse2.asm b/media/libvpx/vp8/common/x86/iwalsh_sse2.asm
new file mode 100644
index 000000000..06e86a80b
--- /dev/null
+++ b/media/libvpx/vp8/common/x86/iwalsh_sse2.asm
@@ -0,0 +1,121 @@
+;
+; 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 vp8_short_inv_walsh4x4_sse2(short *input, short *output)
+global sym(vp8_short_inv_walsh4x4_sse2) PRIVATE
+sym(vp8_short_inv_walsh4x4_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 2
+ ; end prolog
+
+ mov rcx, arg(0)
+ mov rdx, arg(1)
+ mov rax, 30003h
+
+ movdqa xmm0, [rcx + 0] ;ip[4] ip[0]
+ movdqa xmm1, [rcx + 16] ;ip[12] ip[8]
+
+
+ pshufd xmm2, xmm1, 4eh ;ip[8] ip[12]
+ movdqa xmm3, xmm0 ;ip[4] ip[0]
+
+ paddw xmm0, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1
+ psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1
+
+ movdqa xmm4, xmm0
+ punpcklqdq xmm0, xmm3 ;d1 a1
+ punpckhqdq xmm4, xmm3 ;c1 b1
+
+ movdqa xmm1, xmm4 ;c1 b1
+ paddw xmm4, xmm0 ;dl+cl a1+b1 aka op[4] op[0]
+ psubw xmm0, xmm1 ;d1-c1 a1-b1 aka op[12] op[8]
+
+ ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ ; 13 12 11 10 03 02 01 00
+ ;
+ ; 33 32 31 30 23 22 21 20
+ ;
+ movdqa xmm3, xmm4 ; 13 12 11 10 03 02 01 00
+ punpcklwd xmm4, xmm0 ; 23 03 22 02 21 01 20 00
+ punpckhwd xmm3, xmm0 ; 33 13 32 12 31 11 30 10
+ movdqa xmm1, xmm4 ; 23 03 22 02 21 01 20 00
+ punpcklwd xmm4, xmm3 ; 31 21 11 01 30 20 10 00
+ punpckhwd xmm1, xmm3 ; 33 23 13 03 32 22 12 02
+ ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ movd xmm0, eax
+ pshufd xmm2, xmm1, 4eh ;ip[8] ip[12]
+ movdqa xmm3, xmm4 ;ip[4] ip[0]
+
+ pshufd xmm0, xmm0, 0 ;03 03 03 03 03 03 03 03
+
+ paddw xmm4, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1
+ psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1
+
+ movdqa xmm5, xmm4
+ punpcklqdq xmm4, xmm3 ;d1 a1
+ punpckhqdq xmm5, xmm3 ;c1 b1
+
+ movdqa xmm1, xmm5 ;c1 b1
+ paddw xmm5, xmm4 ;dl+cl a1+b1 aka op[4] op[0]
+ psubw xmm4, xmm1 ;d1-c1 a1-b1 aka op[12] op[8]
+
+ paddw xmm5, xmm0
+ paddw xmm4, xmm0
+ psraw xmm5, 3
+ psraw xmm4, 3
+
+ movd eax, xmm5
+ movd ecx, xmm4
+ psrldq xmm5, 4
+ psrldq xmm4, 4
+ mov word ptr[rdx+32*0], ax
+ mov word ptr[rdx+32*2], cx
+ shr eax, 16
+ shr ecx, 16
+ mov word ptr[rdx+32*4], ax
+ mov word ptr[rdx+32*6], cx
+ movd eax, xmm5
+ movd ecx, xmm4
+ psrldq xmm5, 4
+ psrldq xmm4, 4
+ mov word ptr[rdx+32*8], ax
+ mov word ptr[rdx+32*10], cx
+ shr eax, 16
+ shr ecx, 16
+ mov word ptr[rdx+32*12], ax
+ mov word ptr[rdx+32*14], cx
+
+ movd eax, xmm5
+ movd ecx, xmm4
+ psrldq xmm5, 4
+ psrldq xmm4, 4
+ mov word ptr[rdx+32*1], ax
+ mov word ptr[rdx+32*3], cx
+ shr eax, 16
+ shr ecx, 16
+ mov word ptr[rdx+32*5], ax
+ mov word ptr[rdx+32*7], cx
+ movd eax, xmm5
+ movd ecx, xmm4
+ mov word ptr[rdx+32*9], ax
+ mov word ptr[rdx+32*11], cx
+ shr eax, 16
+ shr ecx, 16
+ mov word ptr[rdx+32*13], ax
+ mov word ptr[rdx+32*15], cx
+
+ ; begin epilog
+ UNSHADOW_ARGS
+ pop rbp
+ ret