simd/jiss2fst-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 ; jiss2fst-64.asm - fast integer IDCT (64-bit SSE2)	2 ; jiss2fst-64.asm - fast integer IDCT (64-bit 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

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316	316

317 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 032]	317 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 032]

318 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 132]	318 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 132]

319 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 232]	319 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 232]

320 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 332]	320 prefetchnta [rsi + DCTSIZE2SIZEOF_JCOEF + 332]

321	321

322 ; ---- Pass 2: process rows from work array, store into output array.	322 ; ---- Pass 2: process rows from work array, store into output array.

323	323

324 mov rax, [original_rbp]	324 mov rax, [original_rbp]

325 mov rdi, r12 ; (JSAMPROW *)	325 mov rdi, r12 ; (JSAMPROW *)

326 » mov» rax, r13	326 » mov» eax, r13d

327	327

328 ; -- Even part	328 ; -- Even part

329	329

330 ; xmm6=col0, xmm5=col2, xmm1=col4, xmm3=col6	330 ; xmm6=col0, xmm5=col2, xmm1=col4, xmm3=col6

331	331

332 movdqa xmm2,xmm6	332 movdqa xmm2,xmm6

333 movdqa xmm0,xmm5	333 movdqa xmm0,xmm5

334 psubw xmm6,xmm1 ; xmm6=tmp11	334 psubw xmm6,xmm1 ; xmm6=tmp11

335 psubw xmm5,xmm3	335 psubw xmm5,xmm3

336 paddw xmm2,xmm1 ; xmm2=tmp10	336 paddw xmm2,xmm1 ; xmm2=tmp10

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483 uncollect_args	483 uncollect_args

484 mov rsp,rbp ; rsp <- aligned rbp	484 mov rsp,rbp ; rsp <- aligned rbp

485 pop rsp ; rsp <- original rbp	485 pop rsp ; rsp <- original rbp

486 pop rbp	486 pop rbp

487 ret	487 ret

488 ret	488 ret

489	489

490 ; For some reason, the OS X linker does not honor the request to align the	490 ; For some reason, the OS X linker does not honor the request to align the

491 ; segment unless we do this.	491 ; segment unless we do this.

492 align 16	492 align 16

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