simd/jcqnts2f-64.asm - Issue 1347093003: Rewrite the JDIMENSION argument management for x86 64-bit assembly to

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Issue 1347093003: Rewrite the JDIMENSION argument management for x86 64-bit assembly to (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master

Patch Set: README.chromium Created 5 years, 3 months ago

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1 ;	1 ;

2 ; jcqnts2f-64.asm - sample data conversion and quantization (64-bit SSE & SSE2)	2 ; jcqnts2f-64.asm - sample data conversion and quantization (64-bit SSE & SSE2)

3 ;	3 ;

4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB	4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB

5 ; Copyright 2009 D. R. Commander	5 ; Copyright 2009 D. R. Commander

6 ;	6 ;

7 ; Based on	7 ; Based on

8 ; x86 SIMD extension for IJG JPEG library	8 ; x86 SIMD extension for IJG JPEG library

9 ; Copyright (C) 1999-2006, MIYASAKA Masaru.	9 ; Copyright (C) 1999-2006, MIYASAKA Masaru.

10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc	10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc

(...skipping 32 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
43 mov rax,rsp	43 mov rax,rsp

44 mov rbp,rsp	44 mov rbp,rsp

45 collect_args	45 collect_args

46 push rbx	46 push rbx

47	47

48 pcmpeqw xmm7,xmm7	48 pcmpeqw xmm7,xmm7

49 psllw xmm7,7	49 psllw xmm7,7

50 packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..)	50 packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..)

51	51

52 mov rsi, r10	52 mov rsi, r10

53 » mov» rax, r11	53 » mov» eax, r11d

54 mov rdi, r12	54 mov rdi, r12

55 mov rcx, DCTSIZE/2	55 mov rcx, DCTSIZE/2

56 .convloop:	56 .convloop:

57 mov rbx, JSAMPROW [rsi+0SIZEOF_JSAMPROW] ; (JSAMPLE )	57 mov rbx, JSAMPROW [rsi+0SIZEOF_JSAMPROW] ; (JSAMPLE )

58 mov rdx, JSAMPROW [rsi+1SIZEOF_JSAMPROW] ; (JSAMPLE )	58 mov rdx, JSAMPROW [rsi+1SIZEOF_JSAMPROW] ; (JSAMPLE )

59	59

60 movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE]	60 movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE]

61 movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE]	61 movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE]

62	62

63 psubb xmm0,xmm7 ; xmm0=(01234567)	63 psubb xmm0,xmm7 ; xmm0=(01234567)

(...skipping 85 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
149 dec rax	149 dec rax

150 jnz short .quantloop	150 jnz short .quantloop

151	151

152 uncollect_args	152 uncollect_args

153 pop rbp	153 pop rbp

154 ret	154 ret

155	155

156 ; For some reason, the OS X linker does not honor the request to align the	156 ; For some reason, the OS X linker does not honor the request to align the

157 ; segment unless we do this.	157 ; segment unless we do this.

158 align 16	158 align 16

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