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Side by Side Diff: third_party/libjpeg_turbo/simd/jiss2fst.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 ; jiss2fst.asm - fast integer IDCT (SSE2) 2 ; jiss2fst.asm - fast integer IDCT (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 ; 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_sse2) 62 » global» EXTN(jconst_idct_ifast_sse2) PRIVATE
63 63
64 EXTN(jconst_idct_ifast_sse2): 64 EXTN(jconst_idct_ifast_sse2):
65 65
66 PW_F1414 times 8 dw F_1_414 << CONST_SHIFT 66 PW_F1414 times 8 dw F_1_414 << CONST_SHIFT
67 PW_F1847 times 8 dw F_1_847 << CONST_SHIFT 67 PW_F1847 times 8 dw F_1_847 << CONST_SHIFT
68 PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT 68 PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT
69 PW_F1082 times 8 dw F_1_082 << CONST_SHIFT 69 PW_F1082 times 8 dw F_1_082 << CONST_SHIFT
70 PB_CENTERJSAMP times 16 db CENTERJSAMPLE 70 PB_CENTERJSAMP times 16 db CENTERJSAMPLE
71 71
72 alignz 16 72 alignz 16
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85 %define dct_table(b) (b)+8 ; jpeg_component_info * compptr 85 %define dct_table(b) (b)+8 ; jpeg_component_info * compptr
86 %define coef_block(b) (b)+12 ; JCOEFPTR coef_block 86 %define coef_block(b) (b)+12 ; JCOEFPTR coef_block
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_XMMWORD ; xmmword wk[WK_NUM] 91 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
92 %define WK_NUM 2 92 %define WK_NUM 2
93 93
94 align 16 94 align 16
95 » global» EXTN(jsimd_idct_ifast_sse2) 95 » global» EXTN(jsimd_idct_ifast_sse2) PRIVATE
96 96
97 EXTN(jsimd_idct_ifast_sse2): 97 EXTN(jsimd_idct_ifast_sse2):
98 push ebp 98 push ebp
99 mov eax,esp ; eax = original ebp 99 mov eax,esp ; eax = original ebp
100 sub esp, byte 4 100 sub esp, byte 4
101 and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits 101 and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
102 mov [esp],eax 102 mov [esp],eax
103 mov ebp,esp ; ebp = aligned ebp 103 mov ebp,esp ; ebp = aligned ebp
104 lea esp, [wk(0)] 104 lea esp, [wk(0)]
105 pushpic ebx 105 pushpic ebx
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493 ; pop ecx ; unused 493 ; pop ecx ; unused
494 poppic ebx 494 poppic ebx
495 mov esp,ebp ; esp <- aligned ebp 495 mov esp,ebp ; esp <- aligned ebp
496 pop esp ; esp <- original ebp 496 pop esp ; esp <- original ebp
497 pop ebp 497 pop ebp
498 ret 498 ret
499 499
500 ; For some reason, the OS X linker does not honor the request to align the 500 ; For some reason, the OS X linker does not honor the request to align the
501 ; segment unless we do this. 501 ; segment unless we do this.
502 align 16 502 align 16
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