summaryrefslogtreecommitdiffstats
path: root/media/libvpx/vp8/common/x86/dequantize_mmx.asm
diff options
context:
space:
mode:
Diffstat (limited to 'media/libvpx/vp8/common/x86/dequantize_mmx.asm')
-rw-r--r--media/libvpx/vp8/common/x86/dequantize_mmx.asm258
1 files changed, 258 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/dequantize_mmx.asm b/media/libvpx/vp8/common/x86/dequantize_mmx.asm
new file mode 100644
index 000000000..4e551f00a
--- /dev/null
+++ b/media/libvpx/vp8/common/x86/dequantize_mmx.asm
@@ -0,0 +1,258 @@
+;
+; 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_dequantize_b_impl_mmx(short *sq, short *dq, short *q)
+global sym(vp8_dequantize_b_impl_mmx) PRIVATE
+sym(vp8_dequantize_b_impl_mmx):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 3
+ push rsi
+ push rdi
+ ; end prolog
+
+ mov rsi, arg(0) ;sq
+ mov rdi, arg(1) ;dq
+ mov rax, arg(2) ;q
+
+ movq mm1, [rsi]
+ pmullw mm1, [rax+0] ; mm4 *= kernel 0 modifiers.
+ movq [rdi], mm1
+
+ movq mm1, [rsi+8]
+ pmullw mm1, [rax+8] ; mm4 *= kernel 0 modifiers.
+ movq [rdi+8], mm1
+
+ movq mm1, [rsi+16]
+ pmullw mm1, [rax+16] ; mm4 *= kernel 0 modifiers.
+ movq [rdi+16], mm1
+
+ movq mm1, [rsi+24]
+ pmullw mm1, [rax+24] ; mm4 *= kernel 0 modifiers.
+ movq [rdi+24], mm1
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+
+;void dequant_idct_add_mmx(
+;short *input, 0
+;short *dq, 1
+;unsigned char *dest, 2
+;int stride) 3
+global sym(vp8_dequant_idct_add_mmx) PRIVATE
+sym(vp8_dequant_idct_add_mmx):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 4
+ GET_GOT rbx
+ push rdi
+ ; end prolog
+
+ mov rax, arg(0) ;input
+ mov rdx, arg(1) ;dq
+
+
+ movq mm0, [rax ]
+ pmullw mm0, [rdx]
+
+ movq mm1, [rax +8]
+ pmullw mm1, [rdx +8]
+
+ movq mm2, [rax+16]
+ pmullw mm2, [rdx+16]
+
+ movq mm3, [rax+24]
+ pmullw mm3, [rdx+24]
+
+ mov rdx, arg(2) ;dest
+
+ pxor mm7, mm7
+
+
+ movq [rax], mm7
+ movq [rax+8], mm7
+
+ movq [rax+16],mm7
+ movq [rax+24],mm7
+
+
+ movsxd rdi, dword ptr arg(3) ;stride
+
+ psubw mm0, mm2 ; b1= 0-2
+ paddw mm2, mm2 ;
+
+ movq mm5, mm1
+ paddw mm2, mm0 ; a1 =0+2
+
+ pmulhw mm5, [GLOBAL(x_s1sqr2)];
+ paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
+
+ movq mm7, mm3 ;
+ pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
+
+ paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
+ psubw mm7, mm5 ; c1
+
+ movq mm5, mm1
+ movq mm4, mm3
+
+ pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
+ paddw mm5, mm1
+
+ pmulhw mm3, [GLOBAL(x_s1sqr2)]
+ paddw mm3, mm4
+
+ paddw mm3, mm5 ; d1
+ movq mm6, mm2 ; a1
+
+ movq mm4, mm0 ; b1
+ paddw mm2, mm3 ;0
+
+ paddw mm4, mm7 ;1
+ psubw mm0, mm7 ;2
+
+ psubw mm6, mm3 ;3
+
+ movq mm1, mm2 ; 03 02 01 00
+ movq mm3, mm4 ; 23 22 21 20
+
+ punpcklwd mm1, mm0 ; 11 01 10 00
+ punpckhwd mm2, mm0 ; 13 03 12 02
+
+ punpcklwd mm3, mm6 ; 31 21 30 20
+ punpckhwd mm4, mm6 ; 33 23 32 22
+
+ movq mm0, mm1 ; 11 01 10 00
+ movq mm5, mm2 ; 13 03 12 02
+
+ punpckldq mm0, mm3 ; 30 20 10 00
+ punpckhdq mm1, mm3 ; 31 21 11 01
+
+ punpckldq mm2, mm4 ; 32 22 12 02
+ punpckhdq mm5, mm4 ; 33 23 13 03
+
+ movq mm3, mm5 ; 33 23 13 03
+
+ psubw mm0, mm2 ; b1= 0-2
+ paddw mm2, mm2 ;
+
+ movq mm5, mm1
+ paddw mm2, mm0 ; a1 =0+2
+
+ pmulhw mm5, [GLOBAL(x_s1sqr2)];
+ paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
+
+ movq mm7, mm3 ;
+ pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
+
+ paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
+ psubw mm7, mm5 ; c1
+
+ movq mm5, mm1
+ movq mm4, mm3
+
+ pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
+ paddw mm5, mm1
+
+ pmulhw mm3, [GLOBAL(x_s1sqr2)]
+ paddw mm3, mm4
+
+ paddw mm3, mm5 ; d1
+ paddw mm0, [GLOBAL(fours)]
+
+ paddw mm2, [GLOBAL(fours)]
+ movq mm6, mm2 ; a1
+
+ movq mm4, mm0 ; b1
+ paddw mm2, mm3 ;0
+
+ paddw mm4, mm7 ;1
+ psubw mm0, mm7 ;2
+
+ psubw mm6, mm3 ;3
+ psraw mm2, 3
+
+ psraw mm0, 3
+ psraw mm4, 3
+
+ psraw mm6, 3
+
+ movq mm1, mm2 ; 03 02 01 00
+ movq mm3, mm4 ; 23 22 21 20
+
+ punpcklwd mm1, mm0 ; 11 01 10 00
+ punpckhwd mm2, mm0 ; 13 03 12 02
+
+ punpcklwd mm3, mm6 ; 31 21 30 20
+ punpckhwd mm4, mm6 ; 33 23 32 22
+
+ movq mm0, mm1 ; 11 01 10 00
+ movq mm5, mm2 ; 13 03 12 02
+
+ punpckldq mm0, mm3 ; 30 20 10 00
+ punpckhdq mm1, mm3 ; 31 21 11 01
+
+ punpckldq mm2, mm4 ; 32 22 12 02
+ punpckhdq mm5, mm4 ; 33 23 13 03
+
+ pxor mm7, mm7
+
+ movd mm4, [rdx]
+ punpcklbw mm4, mm7
+ paddsw mm0, mm4
+ packuswb mm0, mm7
+ movd [rdx], mm0
+
+ movd mm4, [rdx+rdi]
+ punpcklbw mm4, mm7
+ paddsw mm1, mm4
+ packuswb mm1, mm7
+ movd [rdx+rdi], mm1
+
+ movd mm4, [rdx+2*rdi]
+ punpcklbw mm4, mm7
+ paddsw mm2, mm4
+ packuswb mm2, mm7
+ movd [rdx+rdi*2], mm2
+
+ add rdx, rdi
+
+ movd mm4, [rdx+2*rdi]
+ punpcklbw mm4, mm7
+ paddsw mm5, mm4
+ packuswb mm5, mm7
+ movd [rdx+rdi*2], mm5
+
+ ; begin epilog
+ pop rdi
+ RESTORE_GOT
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+SECTION_RODATA
+align 16
+x_s1sqr2:
+ times 4 dw 0x8A8C
+align 16
+x_c1sqr2less1:
+ times 4 dw 0x4E7B
+align 16
+fours:
+ times 4 dw 0x0004