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Diffstat (limited to 'media/libvpx/vp8/encoder/x86/fwalsh_sse2.asm')
-rw-r--r--media/libvpx/vp8/encoder/x86/fwalsh_sse2.asm164
1 files changed, 164 insertions, 0 deletions
diff --git a/media/libvpx/vp8/encoder/x86/fwalsh_sse2.asm b/media/libvpx/vp8/encoder/x86/fwalsh_sse2.asm
new file mode 100644
index 000000000..f4989279f
--- /dev/null
+++ b/media/libvpx/vp8/encoder/x86/fwalsh_sse2.asm
@@ -0,0 +1,164 @@
+;
+; 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_walsh4x4_sse2(short *input, short *output, int pitch)
+global sym(vp8_short_walsh4x4_sse2) PRIVATE
+sym(vp8_short_walsh4x4_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 3
+ SAVE_XMM 7
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ mov rsi, arg(0) ; input
+ mov rdi, arg(1) ; output
+ movsxd rdx, dword ptr arg(2) ; pitch
+
+ ; first for loop
+ movq xmm0, MMWORD PTR [rsi] ; load input
+ movq xmm1, MMWORD PTR [rsi + rdx]
+ lea rsi, [rsi + rdx*2]
+ movq xmm2, MMWORD PTR [rsi]
+ movq xmm3, MMWORD PTR [rsi + rdx]
+
+ punpcklwd xmm0, xmm1
+ punpcklwd xmm2, xmm3
+
+ movdqa xmm1, xmm0
+ punpckldq xmm0, xmm2 ; ip[1] ip[0]
+ punpckhdq xmm1, xmm2 ; ip[3] ip[2]
+
+ movdqa xmm2, xmm0
+ paddw xmm0, xmm1
+ psubw xmm2, xmm1
+
+ psllw xmm0, 2 ; d1 a1
+ psllw xmm2, 2 ; c1 b1
+
+ movdqa xmm1, xmm0
+ punpcklqdq xmm0, xmm2 ; b1 a1
+ punpckhqdq xmm1, xmm2 ; c1 d1
+
+ pxor xmm6, xmm6
+ movq xmm6, xmm0
+ pxor xmm7, xmm7
+ pcmpeqw xmm7, xmm6
+ paddw xmm7, [GLOBAL(c1)]
+
+ movdqa xmm2, xmm0
+ paddw xmm0, xmm1 ; b1+c1 a1+d1
+ psubw xmm2, xmm1 ; b1-c1 a1-d1
+ paddw xmm0, xmm7 ; b1+c1 a1+d1+(a1!=0)
+
+ ; second for loop
+ ; input: 13 9 5 1 12 8 4 0 (xmm0)
+ ; 14 10 6 2 15 11 7 3 (xmm2)
+ ; after shuffle:
+ ; 13 5 9 1 12 4 8 0 (xmm0)
+ ; 14 6 10 2 15 7 11 3 (xmm1)
+ pshuflw xmm3, xmm0, 0xd8
+ pshufhw xmm0, xmm3, 0xd8
+ pshuflw xmm3, xmm2, 0xd8
+ pshufhw xmm1, xmm3, 0xd8
+
+ movdqa xmm2, xmm0
+ pmaddwd xmm0, [GLOBAL(c1)] ; d11 a11 d10 a10
+ pmaddwd xmm2, [GLOBAL(cn1)] ; c11 b11 c10 b10
+ movdqa xmm3, xmm1
+ pmaddwd xmm1, [GLOBAL(c1)] ; d12 a12 d13 a13
+ pmaddwd xmm3, [GLOBAL(cn1)] ; c12 b12 c13 b13
+
+ pshufd xmm4, xmm0, 0xd8 ; d11 d10 a11 a10
+ pshufd xmm5, xmm2, 0xd8 ; c11 c10 b11 b10
+ pshufd xmm6, xmm1, 0x72 ; d13 d12 a13 a12
+ pshufd xmm7, xmm3, 0x72 ; c13 c12 b13 b12
+
+ movdqa xmm0, xmm4
+ punpcklqdq xmm0, xmm5 ; b11 b10 a11 a10
+ punpckhqdq xmm4, xmm5 ; c11 c10 d11 d10
+ movdqa xmm1, xmm6
+ punpcklqdq xmm1, xmm7 ; b13 b12 a13 a12
+ punpckhqdq xmm6, xmm7 ; c13 c12 d13 d12
+
+ movdqa xmm2, xmm0
+ paddd xmm0, xmm4 ; b21 b20 a21 a20
+ psubd xmm2, xmm4 ; c21 c20 d21 d20
+ movdqa xmm3, xmm1
+ paddd xmm1, xmm6 ; b23 b22 a23 a22
+ psubd xmm3, xmm6 ; c23 c22 d23 d22
+
+ pxor xmm4, xmm4
+ movdqa xmm5, xmm4
+ pcmpgtd xmm4, xmm0
+ pcmpgtd xmm5, xmm2
+ pand xmm4, [GLOBAL(cd1)]
+ pand xmm5, [GLOBAL(cd1)]
+
+ pxor xmm6, xmm6
+ movdqa xmm7, xmm6
+ pcmpgtd xmm6, xmm1
+ pcmpgtd xmm7, xmm3
+ pand xmm6, [GLOBAL(cd1)]
+ pand xmm7, [GLOBAL(cd1)]
+
+ paddd xmm0, xmm4
+ paddd xmm2, xmm5
+ paddd xmm0, [GLOBAL(cd3)]
+ paddd xmm2, [GLOBAL(cd3)]
+ paddd xmm1, xmm6
+ paddd xmm3, xmm7
+ paddd xmm1, [GLOBAL(cd3)]
+ paddd xmm3, [GLOBAL(cd3)]
+
+ psrad xmm0, 3
+ psrad xmm1, 3
+ psrad xmm2, 3
+ psrad xmm3, 3
+ movdqa xmm4, xmm0
+ punpcklqdq xmm0, xmm1 ; a23 a22 a21 a20
+ punpckhqdq xmm4, xmm1 ; b23 b22 b21 b20
+ movdqa xmm5, xmm2
+ punpckhqdq xmm2, xmm3 ; c23 c22 c21 c20
+ punpcklqdq xmm5, xmm3 ; d23 d22 d21 d20
+
+ packssdw xmm0, xmm4 ; b23 b22 b21 b20 a23 a22 a21 a20
+ packssdw xmm2, xmm5 ; d23 d22 d21 d20 c23 c22 c21 c20
+
+ movdqa XMMWORD PTR [rdi], xmm0
+ movdqa XMMWORD PTR [rdi + 16], xmm2
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ RESTORE_XMM
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+SECTION_RODATA
+align 16
+c1:
+ dw 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001
+align 16
+cn1:
+ dw 0x0001, 0xffff, 0x0001, 0xffff, 0x0001, 0xffff, 0x0001, 0xffff
+align 16
+cd1:
+ dd 0x00000001, 0x00000001, 0x00000001, 0x00000001
+align 16
+cd3:
+ dd 0x00000003, 0x00000003, 0x00000003, 0x00000003