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Side by Side Diff: third_party/libjpeg_turbo/simd/jimmxfst.asm

Issue 6246098: Add PRIVATE flags to global symbols.... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/
Patch Set: '' Created 9 years, 10 months ago
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1 ; 1 ;
2 ; jimmxfst.asm - fast integer IDCT (MMX) 2 ; jimmxfst.asm - fast integer IDCT (MMX)
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 ; 5 ;
6 ; Based on 6 ; Based on
7 ; x86 SIMD extension for IJG JPEG library 7 ; x86 SIMD extension for IJG JPEG library
8 ; Copyright (C) 1999-2006, MIYASAKA Masaru. 8 ; Copyright (C) 1999-2006, MIYASAKA Masaru.
9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc 9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc
10 ; 10 ;
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52 ; -------------------------------------------------------------------------- 52 ; --------------------------------------------------------------------------
53 SECTION SEG_CONST 53 SECTION SEG_CONST
54 54
55 ; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) 55 ; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow)
56 ; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) 56 ; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw)
57 57
58 %define PRE_MULTIPLY_SCALE_BITS 2 58 %define PRE_MULTIPLY_SCALE_BITS 2
59 %define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) 59 %define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
60 60
61 alignz 16 61 alignz 16
62 » global» EXTN(jconst_idct_ifast_mmx) 62 » global» EXTN(jconst_idct_ifast_mmx) PRIVATE
63 63
64 EXTN(jconst_idct_ifast_mmx): 64 EXTN(jconst_idct_ifast_mmx):
65 65
66 PW_F1414 times 4 dw F_1_414 << CONST_SHIFT 66 PW_F1414 times 4 dw F_1_414 << CONST_SHIFT
67 PW_F1847 times 4 dw F_1_847 << CONST_SHIFT 67 PW_F1847 times 4 dw F_1_847 << CONST_SHIFT
68 PW_MF1613 times 4 dw -F_1_613 << CONST_SHIFT 68 PW_MF1613 times 4 dw -F_1_613 << CONST_SHIFT
69 PW_F1082 times 4 dw F_1_082 << CONST_SHIFT 69 PW_F1082 times 4 dw F_1_082 << CONST_SHIFT
70 PB_CENTERJSAMP times 8 db CENTERJSAMPLE 70 PB_CENTERJSAMP times 8 db CENTERJSAMPLE
71 71
72 alignz 16 72 alignz 16
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87 %define output_buf(b) (b)+16 ; JSAMPARRAY output_buf 87 %define output_buf(b) (b)+16 ; JSAMPARRAY output_buf
88 %define output_col(b) (b)+20 ; JDIMENSION output_col 88 %define output_col(b) (b)+20 ; JDIMENSION output_col
89 89
90 %define original_ebp ebp+0 90 %define original_ebp ebp+0
91 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] 91 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]
92 %define WK_NUM 2 92 %define WK_NUM 2
93 %define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF 93 %define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF
94 ; JCOEF workspace[DCTSIZE2] 94 ; JCOEF workspace[DCTSIZE2]
95 95
96 align 16 96 align 16
97 » global» EXTN(jsimd_idct_ifast_mmx) 97 » global» EXTN(jsimd_idct_ifast_mmx) PRIVATE
98 98
99 EXTN(jsimd_idct_ifast_mmx): 99 EXTN(jsimd_idct_ifast_mmx):
100 push ebp 100 push ebp
101 mov eax,esp ; eax = original ebp 101 mov eax,esp ; eax = original ebp
102 sub esp, byte 4 102 sub esp, byte 4
103 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits 103 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits
104 mov [esp],eax 104 mov [esp],eax
105 mov ebp,esp ; ebp = aligned ebp 105 mov ebp,esp ; ebp = aligned ebp
106 lea esp, [workspace] 106 lea esp, [workspace]
107 push ebx 107 push ebx
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491 ; pop ecx ; need not be preserved 491 ; pop ecx ; need not be preserved
492 pop ebx 492 pop ebx
493 mov esp,ebp ; esp <- aligned ebp 493 mov esp,ebp ; esp <- aligned ebp
494 pop esp ; esp <- original ebp 494 pop esp ; esp <- original ebp
495 pop ebp 495 pop ebp
496 ret 496 ret
497 497
498 ; For some reason, the OS X linker does not honor the request to align the 498 ; For some reason, the OS X linker does not honor the request to align the
499 ; segment unless we do this. 499 ; segment unless we do this.
500 align 16 500 align 16
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