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-rw-r--r--vp9/common/x86/vp9_idct_sse2.asm712
1 files changed, 0 insertions, 712 deletions
diff --git a/vp9/common/x86/vp9_idct_sse2.asm b/vp9/common/x86/vp9_idct_sse2.asm
deleted file mode 100644
index 8f3c6dfc3..000000000
--- a/vp9/common/x86/vp9_idct_sse2.asm
+++ /dev/null
@@ -1,712 +0,0 @@
-;
-; 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 vp9_idct_dequant_0_2x_sse2
-; (
-; short *qcoeff - 0
-; short *dequant - 1
-; unsigned char *pre - 2
-; unsigned char *dst - 3
-; int dst_stride - 4
-; int blk_stride - 5
-; )
-
-global sym(vp9_idct_dequant_0_2x_sse2) PRIVATE
-sym(vp9_idct_dequant_0_2x_sse2):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 6
- GET_GOT rbx
- ; end prolog
-
- mov rdx, arg(1) ; dequant
- mov rax, arg(0) ; qcoeff
-
- movd xmm4, [rax]
- movd xmm5, [rdx]
-
- pinsrw xmm4, [rax+32], 4
- pinsrw xmm5, [rdx], 4
-
- pmullw xmm4, xmm5
-
- ; Zero out xmm5, for use unpacking
- pxor xmm5, xmm5
-
- ; clear coeffs
- movd [rax], xmm5
- movd [rax+32], xmm5
-;pshufb
- pshuflw xmm4, xmm4, 00000000b
- pshufhw xmm4, xmm4, 00000000b
-
- mov rax, arg(2) ; pre
- paddw xmm4, [GLOBAL(fours)]
-
- movsxd rcx, dword ptr arg(5) ; blk_stride
- psraw xmm4, 3
-
- movq xmm0, [rax]
- movq xmm1, [rax+rcx]
- movq xmm2, [rax+2*rcx]
- lea rcx, [3*rcx]
- movq xmm3, [rax+rcx]
-
- punpcklbw xmm0, xmm5
- punpcklbw xmm1, xmm5
- punpcklbw xmm2, xmm5
- punpcklbw xmm3, xmm5
-
- mov rax, arg(3) ; dst
- movsxd rdx, dword ptr arg(4) ; dst_stride
-
- ; Add to predict buffer
- paddw xmm0, xmm4
- paddw xmm1, xmm4
- paddw xmm2, xmm4
- paddw xmm3, xmm4
-
- ; pack up before storing
- packuswb xmm0, xmm5
- packuswb xmm1, xmm5
- packuswb xmm2, xmm5
- packuswb xmm3, xmm5
-
- ; store blocks back out
- movq [rax], xmm0
- movq [rax + rdx], xmm1
-
- lea rax, [rax + 2*rdx]
-
- movq [rax], xmm2
- movq [rax + rdx], xmm3
-
- ; begin epilog
- RESTORE_GOT
- UNSHADOW_ARGS
- pop rbp
- ret
-
-global sym(vp9_idct_dequant_full_2x_sse2) PRIVATE
-sym(vp9_idct_dequant_full_2x_sse2):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 7
- SAVE_XMM 7
- GET_GOT rbx
- push rsi
- push rdi
- ; end prolog
-
- ; special case when 2 blocks have 0 or 1 coeffs
- ; dc is set as first coeff, so no need to load qcoeff
- mov rax, arg(0) ; qcoeff
- mov rsi, arg(2) ; pre
- mov rdi, arg(3) ; dst
- movsxd rcx, dword ptr arg(5) ; blk_stride
-
- ; Zero out xmm7, for use unpacking
- pxor xmm7, xmm7
-
- mov rdx, arg(1) ; dequant
-
- ; note the transpose of xmm1 and xmm2, necessary for shuffle
- ; to spit out sensicle data
- movdqa xmm0, [rax]
- movdqa xmm2, [rax+16]
- movdqa xmm1, [rax+32]
- movdqa xmm3, [rax+48]
-
- ; Clear out coeffs
- movdqa [rax], xmm7
- movdqa [rax+16], xmm7
- movdqa [rax+32], xmm7
- movdqa [rax+48], xmm7
-
- ; dequantize qcoeff buffer
- pmullw xmm0, [rdx]
- pmullw xmm2, [rdx+16]
- pmullw xmm1, [rdx]
- pmullw xmm3, [rdx+16]
-
- ; repack so block 0 row x and block 1 row x are together
- movdqa xmm4, xmm0
- punpckldq xmm0, xmm1
- punpckhdq xmm4, xmm1
-
- pshufd xmm0, xmm0, 11011000b
- pshufd xmm1, xmm4, 11011000b
-
- movdqa xmm4, xmm2
- punpckldq xmm2, xmm3
- punpckhdq xmm4, xmm3
-
- pshufd xmm2, xmm2, 11011000b
- pshufd xmm3, xmm4, 11011000b
-
- ; first pass
- psubw xmm0, xmm2 ; b1 = 0-2
- paddw xmm2, xmm2 ;
-
- movdqa xmm5, xmm1
- paddw xmm2, xmm0 ; a1 = 0+2
-
- pmulhw xmm5, [GLOBAL(x_s1sqr2)]
- paddw xmm5, xmm1 ; ip1 * sin(pi/8) * sqrt(2)
-
- movdqa xmm7, xmm3
- pmulhw xmm7, [GLOBAL(x_c1sqr2less1)]
-
- paddw xmm7, xmm3 ; ip3 * cos(pi/8) * sqrt(2)
- psubw xmm7, xmm5 ; c1
-
- movdqa xmm5, xmm1
- movdqa xmm4, xmm3
-
- pmulhw xmm5, [GLOBAL(x_c1sqr2less1)]
- paddw xmm5, xmm1
-
- pmulhw xmm3, [GLOBAL(x_s1sqr2)]
- paddw xmm3, xmm4
-
- paddw xmm3, xmm5 ; d1
- movdqa xmm6, xmm2 ; a1
-
- movdqa xmm4, xmm0 ; b1
- paddw xmm2, xmm3 ;0
-
- paddw xmm4, xmm7 ;1
- psubw xmm0, xmm7 ;2
-
- psubw xmm6, xmm3 ;3
-
- ; transpose for the second pass
- movdqa xmm7, xmm2 ; 103 102 101 100 003 002 001 000
- punpcklwd xmm2, xmm0 ; 007 003 006 002 005 001 004 000
- punpckhwd xmm7, xmm0 ; 107 103 106 102 105 101 104 100
-
- movdqa xmm5, xmm4 ; 111 110 109 108 011 010 009 008
- punpcklwd xmm4, xmm6 ; 015 011 014 010 013 009 012 008
- punpckhwd xmm5, xmm6 ; 115 111 114 110 113 109 112 108
-
-
- movdqa xmm1, xmm2 ; 007 003 006 002 005 001 004 000
- punpckldq xmm2, xmm4 ; 013 009 005 001 012 008 004 000
- punpckhdq xmm1, xmm4 ; 015 011 007 003 014 010 006 002
-
- movdqa xmm6, xmm7 ; 107 103 106 102 105 101 104 100
- punpckldq xmm7, xmm5 ; 113 109 105 101 112 108 104 100
- punpckhdq xmm6, xmm5 ; 115 111 107 103 114 110 106 102
-
-
- movdqa xmm5, xmm2 ; 013 009 005 001 012 008 004 000
- punpckldq xmm2, xmm7 ; 112 108 012 008 104 100 004 000
- punpckhdq xmm5, xmm7 ; 113 109 013 009 105 101 005 001
-
- movdqa xmm7, xmm1 ; 015 011 007 003 014 010 006 002
- punpckldq xmm1, xmm6 ; 114 110 014 010 106 102 006 002
- punpckhdq xmm7, xmm6 ; 115 111 015 011 107 103 007 003
-
- pshufd xmm0, xmm2, 11011000b
- pshufd xmm2, xmm1, 11011000b
-
- pshufd xmm1, xmm5, 11011000b
- pshufd xmm3, xmm7, 11011000b
-
- ; second pass
- psubw xmm0, xmm2 ; b1 = 0-2
- paddw xmm2, xmm2
-
- movdqa xmm5, xmm1
- paddw xmm2, xmm0 ; a1 = 0+2
-
- pmulhw xmm5, [GLOBAL(x_s1sqr2)]
- paddw xmm5, xmm1 ; ip1 * sin(pi/8) * sqrt(2)
-
- movdqa xmm7, xmm3
- pmulhw xmm7, [GLOBAL(x_c1sqr2less1)]
-
- paddw xmm7, xmm3 ; ip3 * cos(pi/8) * sqrt(2)
- psubw xmm7, xmm5 ; c1
-
- movdqa xmm5, xmm1
- movdqa xmm4, xmm3
-
- pmulhw xmm5, [GLOBAL(x_c1sqr2less1)]
- paddw xmm5, xmm1
-
- pmulhw xmm3, [GLOBAL(x_s1sqr2)]
- paddw xmm3, xmm4
-
- paddw xmm3, xmm5 ; d1
- paddw xmm0, [GLOBAL(fours)]
-
- paddw xmm2, [GLOBAL(fours)]
- movdqa xmm6, xmm2 ; a1
-
- movdqa xmm4, xmm0 ; b1
- paddw xmm2, xmm3 ;0
-
- paddw xmm4, xmm7 ;1
- psubw xmm0, xmm7 ;2
-
- psubw xmm6, xmm3 ;3
- psraw xmm2, 3
-
- psraw xmm0, 3
- psraw xmm4, 3
-
- psraw xmm6, 3
-
- ; transpose to save
- movdqa xmm7, xmm2 ; 103 102 101 100 003 002 001 000
- punpcklwd xmm2, xmm0 ; 007 003 006 002 005 001 004 000
- punpckhwd xmm7, xmm0 ; 107 103 106 102 105 101 104 100
-
- movdqa xmm5, xmm4 ; 111 110 109 108 011 010 009 008
- punpcklwd xmm4, xmm6 ; 015 011 014 010 013 009 012 008
- punpckhwd xmm5, xmm6 ; 115 111 114 110 113 109 112 108
-
-
- movdqa xmm1, xmm2 ; 007 003 006 002 005 001 004 000
- punpckldq xmm2, xmm4 ; 013 009 005 001 012 008 004 000
- punpckhdq xmm1, xmm4 ; 015 011 007 003 014 010 006 002
-
- movdqa xmm6, xmm7 ; 107 103 106 102 105 101 104 100
- punpckldq xmm7, xmm5 ; 113 109 105 101 112 108 104 100
- punpckhdq xmm6, xmm5 ; 115 111 107 103 114 110 106 102
-
-
- movdqa xmm5, xmm2 ; 013 009 005 001 012 008 004 000
- punpckldq xmm2, xmm7 ; 112 108 012 008 104 100 004 000
- punpckhdq xmm5, xmm7 ; 113 109 013 009 105 101 005 001
-
- movdqa xmm7, xmm1 ; 015 011 007 003 014 010 006 002
- punpckldq xmm1, xmm6 ; 114 110 014 010 106 102 006 002
- punpckhdq xmm7, xmm6 ; 115 111 015 011 107 103 007 003
-
- pshufd xmm0, xmm2, 11011000b
- pshufd xmm2, xmm1, 11011000b
-
- pshufd xmm1, xmm5, 11011000b
- pshufd xmm3, xmm7, 11011000b
-
- pxor xmm7, xmm7
-
- ; Load up predict blocks
- movq xmm4, [rsi]
- movq xmm5, [rsi+rcx]
-
- punpcklbw xmm4, xmm7
- punpcklbw xmm5, xmm7
-
- paddw xmm0, xmm4
- paddw xmm1, xmm5
-
- movq xmm4, [rsi+2*rcx]
- lea rcx, [3*rcx]
- movq xmm5, [rsi+rcx]
-
- punpcklbw xmm4, xmm7
- punpcklbw xmm5, xmm7
-
- paddw xmm2, xmm4
- paddw xmm3, xmm5
-
-.finish:
-
- ; pack up before storing
- packuswb xmm0, xmm7
- packuswb xmm1, xmm7
- packuswb xmm2, xmm7
- packuswb xmm3, xmm7
-
- ; Load destination stride before writing out,
- ; doesn't need to persist
- movsxd rdx, dword ptr arg(4) ; dst_stride
-
- ; store blocks back out
- movq [rdi], xmm0
- movq [rdi + rdx], xmm1
-
- lea rdi, [rdi + 2*rdx]
-
- movq [rdi], xmm2
- movq [rdi + rdx], xmm3
-
- ; begin epilog
- pop rdi
- pop rsi
- RESTORE_GOT
- RESTORE_XMM
- UNSHADOW_ARGS
- pop rbp
- ret
-
-;void vp9_idct_dequant_dc_0_2x_sse2
-; (
-; short *qcoeff - 0
-; short *dequant - 1
-; unsigned char *pre - 2
-; unsigned char *dst - 3
-; int dst_stride - 4
-; short *dc - 5
-; )
-global sym(vp9_idct_dequant_dc_0_2x_sse2) PRIVATE
-sym(vp9_idct_dequant_dc_0_2x_sse2):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 7
- GET_GOT rbx
- push rsi
- push rdi
- ; end prolog
-
- ; special case when 2 blocks have 0 or 1 coeffs
- ; dc is set as first coeff, so no need to load qcoeff
- mov rax, arg(0) ; qcoeff
- mov rsi, arg(2) ; pre
- mov rdi, arg(3) ; dst
- mov rdx, arg(5) ; dc
-
- ; Zero out xmm5, for use unpacking
- pxor xmm5, xmm5
-
- ; load up 2 dc words here == 2*16 = doubleword
- movd xmm4, [rdx]
-
- ; Load up predict blocks
- movq xmm0, [rsi]
- movq xmm1, [rsi+16]
- movq xmm2, [rsi+32]
- movq xmm3, [rsi+48]
-
- ; Duplicate and expand dc across
- punpcklwd xmm4, xmm4
- punpckldq xmm4, xmm4
-
- ; Rounding to dequant and downshift
- paddw xmm4, [GLOBAL(fours)]
- psraw xmm4, 3
-
- ; Predict buffer needs to be expanded from bytes to words
- punpcklbw xmm0, xmm5
- punpcklbw xmm1, xmm5
- punpcklbw xmm2, xmm5
- punpcklbw xmm3, xmm5
-
- ; Add to predict buffer
- paddw xmm0, xmm4
- paddw xmm1, xmm4
- paddw xmm2, xmm4
- paddw xmm3, xmm4
-
- ; pack up before storing
- packuswb xmm0, xmm5
- packuswb xmm1, xmm5
- packuswb xmm2, xmm5
- packuswb xmm3, xmm5
-
- ; Load destination stride before writing out,
- ; doesn't need to persist
- movsxd rdx, dword ptr arg(4) ; dst_stride
-
- ; store blocks back out
- movq [rdi], xmm0
- movq [rdi + rdx], xmm1
-
- lea rdi, [rdi + 2*rdx]
-
- movq [rdi], xmm2
- movq [rdi + rdx], xmm3
-
- ; begin epilog
- pop rdi
- pop rsi
- RESTORE_GOT
- UNSHADOW_ARGS
- pop rbp
- ret
-
-global sym(vp9_idct_dequant_dc_full_2x_sse2) PRIVATE
-sym(vp9_idct_dequant_dc_full_2x_sse2):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 7
- SAVE_XMM 7
- GET_GOT rbx
- push rsi
- push rdi
- ; end prolog
-
- ; special case when 2 blocks have 0 or 1 coeffs
- ; dc is set as first coeff, so no need to load qcoeff
- mov rax, arg(0) ; qcoeff
- mov rsi, arg(2) ; pre
- mov rdi, arg(3) ; dst
-
- ; Zero out xmm7, for use unpacking
- pxor xmm7, xmm7
-
- mov rdx, arg(1) ; dequant
-
- ; note the transpose of xmm1 and xmm2, necessary for shuffle
- ; to spit out sensicle data
- movdqa xmm0, [rax]
- movdqa xmm2, [rax+16]
- movdqa xmm1, [rax+32]
- movdqa xmm3, [rax+48]
-
- ; Clear out coeffs
- movdqa [rax], xmm7
- movdqa [rax+16], xmm7
- movdqa [rax+32], xmm7
- movdqa [rax+48], xmm7
-
- ; dequantize qcoeff buffer
- pmullw xmm0, [rdx]
- pmullw xmm2, [rdx+16]
- pmullw xmm1, [rdx]
- pmullw xmm3, [rdx+16]
-
- ; DC component
- mov rdx, arg(5)
-
- ; repack so block 0 row x and block 1 row x are together
- movdqa xmm4, xmm0
- punpckldq xmm0, xmm1
- punpckhdq xmm4, xmm1
-
- pshufd xmm0, xmm0, 11011000b
- pshufd xmm1, xmm4, 11011000b
-
- movdqa xmm4, xmm2
- punpckldq xmm2, xmm3
- punpckhdq xmm4, xmm3
-
- pshufd xmm2, xmm2, 11011000b
- pshufd xmm3, xmm4, 11011000b
-
- ; insert DC component
- pinsrw xmm0, [rdx], 0
- pinsrw xmm0, [rdx+2], 4
-
- ; first pass
- psubw xmm0, xmm2 ; b1 = 0-2
- paddw xmm2, xmm2 ;
-
- movdqa xmm5, xmm1
- paddw xmm2, xmm0 ; a1 = 0+2
-
- pmulhw xmm5, [GLOBAL(x_s1sqr2)]
- paddw xmm5, xmm1 ; ip1 * sin(pi/8) * sqrt(2)
-
- movdqa xmm7, xmm3
- pmulhw xmm7, [GLOBAL(x_c1sqr2less1)]
-
- paddw xmm7, xmm3 ; ip3 * cos(pi/8) * sqrt(2)
- psubw xmm7, xmm5 ; c1
-
- movdqa xmm5, xmm1
- movdqa xmm4, xmm3
-
- pmulhw xmm5, [GLOBAL(x_c1sqr2less1)]
- paddw xmm5, xmm1
-
- pmulhw xmm3, [GLOBAL(x_s1sqr2)]
- paddw xmm3, xmm4
-
- paddw xmm3, xmm5 ; d1
- movdqa xmm6, xmm2 ; a1
-
- movdqa xmm4, xmm0 ; b1
- paddw xmm2, xmm3 ;0
-
- paddw xmm4, xmm7 ;1
- psubw xmm0, xmm7 ;2
-
- psubw xmm6, xmm3 ;3
-
- ; transpose for the second pass
- movdqa xmm7, xmm2 ; 103 102 101 100 003 002 001 000
- punpcklwd xmm2, xmm0 ; 007 003 006 002 005 001 004 000
- punpckhwd xmm7, xmm0 ; 107 103 106 102 105 101 104 100
-
- movdqa xmm5, xmm4 ; 111 110 109 108 011 010 009 008
- punpcklwd xmm4, xmm6 ; 015 011 014 010 013 009 012 008
- punpckhwd xmm5, xmm6 ; 115 111 114 110 113 109 112 108
-
-
- movdqa xmm1, xmm2 ; 007 003 006 002 005 001 004 000
- punpckldq xmm2, xmm4 ; 013 009 005 001 012 008 004 000
- punpckhdq xmm1, xmm4 ; 015 011 007 003 014 010 006 002
-
- movdqa xmm6, xmm7 ; 107 103 106 102 105 101 104 100
- punpckldq xmm7, xmm5 ; 113 109 105 101 112 108 104 100
- punpckhdq xmm6, xmm5 ; 115 111 107 103 114 110 106 102
-
-
- movdqa xmm5, xmm2 ; 013 009 005 001 012 008 004 000
- punpckldq xmm2, xmm7 ; 112 108 012 008 104 100 004 000
- punpckhdq xmm5, xmm7 ; 113 109 013 009 105 101 005 001
-
- movdqa xmm7, xmm1 ; 015 011 007 003 014 010 006 002
- punpckldq xmm1, xmm6 ; 114 110 014 010 106 102 006 002
- punpckhdq xmm7, xmm6 ; 115 111 015 011 107 103 007 003
-
- pshufd xmm0, xmm2, 11011000b
- pshufd xmm2, xmm1, 11011000b
-
- pshufd xmm1, xmm5, 11011000b
- pshufd xmm3, xmm7, 11011000b
-
- ; second pass
- psubw xmm0, xmm2 ; b1 = 0-2
- paddw xmm2, xmm2
-
- movdqa xmm5, xmm1
- paddw xmm2, xmm0 ; a1 = 0+2
-
- pmulhw xmm5, [GLOBAL(x_s1sqr2)]
- paddw xmm5, xmm1 ; ip1 * sin(pi/8) * sqrt(2)
-
- movdqa xmm7, xmm3
- pmulhw xmm7, [GLOBAL(x_c1sqr2less1)]
-
- paddw xmm7, xmm3 ; ip3 * cos(pi/8) * sqrt(2)
- psubw xmm7, xmm5 ; c1
-
- movdqa xmm5, xmm1
- movdqa xmm4, xmm3
-
- pmulhw xmm5, [GLOBAL(x_c1sqr2less1)]
- paddw xmm5, xmm1
-
- pmulhw xmm3, [GLOBAL(x_s1sqr2)]
- paddw xmm3, xmm4
-
- paddw xmm3, xmm5 ; d1
- paddw xmm0, [GLOBAL(fours)]
-
- paddw xmm2, [GLOBAL(fours)]
- movdqa xmm6, xmm2 ; a1
-
- movdqa xmm4, xmm0 ; b1
- paddw xmm2, xmm3 ;0
-
- paddw xmm4, xmm7 ;1
- psubw xmm0, xmm7 ;2
-
- psubw xmm6, xmm3 ;3
- psraw xmm2, 3
-
- psraw xmm0, 3
- psraw xmm4, 3
-
- psraw xmm6, 3
-
- ; transpose to save
- movdqa xmm7, xmm2 ; 103 102 101 100 003 002 001 000
- punpcklwd xmm2, xmm0 ; 007 003 006 002 005 001 004 000
- punpckhwd xmm7, xmm0 ; 107 103 106 102 105 101 104 100
-
- movdqa xmm5, xmm4 ; 111 110 109 108 011 010 009 008
- punpcklwd xmm4, xmm6 ; 015 011 014 010 013 009 012 008
- punpckhwd xmm5, xmm6 ; 115 111 114 110 113 109 112 108
-
-
- movdqa xmm1, xmm2 ; 007 003 006 002 005 001 004 000
- punpckldq xmm2, xmm4 ; 013 009 005 001 012 008 004 000
- punpckhdq xmm1, xmm4 ; 015 011 007 003 014 010 006 002
-
- movdqa xmm6, xmm7 ; 107 103 106 102 105 101 104 100
- punpckldq xmm7, xmm5 ; 113 109 105 101 112 108 104 100
- punpckhdq xmm6, xmm5 ; 115 111 107 103 114 110 106 102
-
-
- movdqa xmm5, xmm2 ; 013 009 005 001 012 008 004 000
- punpckldq xmm2, xmm7 ; 112 108 012 008 104 100 004 000
- punpckhdq xmm5, xmm7 ; 113 109 013 009 105 101 005 001
-
- movdqa xmm7, xmm1 ; 015 011 007 003 014 010 006 002
- punpckldq xmm1, xmm6 ; 114 110 014 010 106 102 006 002
- punpckhdq xmm7, xmm6 ; 115 111 015 011 107 103 007 003
-
- pshufd xmm0, xmm2, 11011000b
- pshufd xmm2, xmm1, 11011000b
-
- pshufd xmm1, xmm5, 11011000b
- pshufd xmm3, xmm7, 11011000b
-
- pxor xmm7, xmm7
-
- ; Load up predict blocks
- movq xmm4, [rsi]
- movq xmm5, [rsi+16]
-
- punpcklbw xmm4, xmm7
- punpcklbw xmm5, xmm7
-
- paddw xmm0, xmm4
- paddw xmm1, xmm5
-
- movq xmm4, [rsi+32]
- movq xmm5, [rsi+48]
-
- punpcklbw xmm4, xmm7
- punpcklbw xmm5, xmm7
-
- paddw xmm2, xmm4
- paddw xmm3, xmm5
-
-.finish:
-
- ; pack up before storing
- packuswb xmm0, xmm7
- packuswb xmm1, xmm7
- packuswb xmm2, xmm7
- packuswb xmm3, xmm7
-
- ; Load destination stride before writing out,
- ; doesn't need to persist
- movsxd rdx, dword ptr arg(4) ; dst_stride
-
- ; store blocks back out
- movq [rdi], xmm0
- movq [rdi + rdx], xmm1
-
- lea rdi, [rdi + 2*rdx]
-
- movq [rdi], xmm2
- movq [rdi + rdx], xmm3
-
-
- ; begin epilog
- pop rdi
- pop rsi
- RESTORE_GOT
- RESTORE_XMM
- UNSHADOW_ARGS
- pop rbp
- ret
-
-SECTION_RODATA
-align 16
-fours:
- times 8 dw 0x0004
-align 16
-x_s1sqr2:
- times 8 dw 0x8A8C
-align 16
-x_c1sqr2less1:
- times 8 dw 0x4E7B