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Unified Diff: simd/jcqnts2i-64.asm

Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 7 months ago
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Index: simd/jcqnts2i-64.asm
diff --git a/simd/jcqnts2i-64.asm b/simd/jcqnts2i-64.asm
deleted file mode 100644
index bd84c6a2bc1da439f7ff73b3c68b30973e60d411..0000000000000000000000000000000000000000
--- a/simd/jcqnts2i-64.asm
+++ /dev/null
@@ -1,187 +0,0 @@
-;
-; jcqnts2i-64.asm - sample data conversion and quantization (64-bit SSE2)
-;
-; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
-; Copyright 2009 D. R. Commander
-;
-; Based on
-; x86 SIMD extension for IJG JPEG library
-; Copyright (C) 1999-2006, MIYASAKA Masaru.
-; For conditions of distribution and use, see copyright notice in jsimdext.inc
-;
-; This file should be assembled with NASM (Netwide Assembler),
-; can *not* be assembled with Microsoft's MASM or any compatible
-; assembler (including Borland's Turbo Assembler).
-; NASM is available from http://nasm.sourceforge.net/ or
-; http://sourceforge.net/project/showfiles.php?group_id=6208
-;
-; [TAB8]
-
-%include "jsimdext.inc"
-%include "jdct.inc"
-
-; --------------------------------------------------------------------------
- SECTION SEG_TEXT
- BITS 64
-;
-; Load data into workspace, applying unsigned->signed conversion
-;
-; GLOBAL(void)
-; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col,
-; DCTELEM * workspace);
-;
-
-; r10 = JSAMPARRAY sample_data
-; r11 = JDIMENSION start_col
-; r12 = DCTELEM * workspace
-
- align 16
- global EXTN(jsimd_convsamp_sse2) PRIVATE
-
-EXTN(jsimd_convsamp_sse2):
- push rbp
- mov rax,rsp
- mov rbp,rsp
- collect_args
- push rbx
-
- pxor xmm6,xmm6 ; xmm6=(all 0's)
- pcmpeqw xmm7,xmm7
- psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
-
- mov rsi, r10
- mov eax, r11d
- mov rdi, r12
- mov rcx, DCTSIZE/4
-.convloop:
- mov rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *)
- mov rdx, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *)
-
- movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm0=(01234567)
- movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm1=(89ABCDEF)
-
- mov rbx, JSAMPROW [rsi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *)
- mov rdx, JSAMPROW [rsi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *)
-
- movq xmm2, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm2=(GHIJKLMN)
- movq xmm3, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm3=(OPQRSTUV)
-
- punpcklbw xmm0,xmm6 ; xmm0=(01234567)
- punpcklbw xmm1,xmm6 ; xmm1=(89ABCDEF)
- paddw xmm0,xmm7
- paddw xmm1,xmm7
- punpcklbw xmm2,xmm6 ; xmm2=(GHIJKLMN)
- punpcklbw xmm3,xmm6 ; xmm3=(OPQRSTUV)
- paddw xmm2,xmm7
- paddw xmm3,xmm7
-
- movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0
- movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1
- movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2
- movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3
-
- add rsi, byte 4*SIZEOF_JSAMPROW
- add rdi, byte 4*DCTSIZE*SIZEOF_DCTELEM
- dec rcx
- jnz short .convloop
-
- pop rbx
- uncollect_args
- pop rbp
- ret
-
-; --------------------------------------------------------------------------
-;
-; Quantize/descale the coefficients, and store into coef_block
-;
-; This implementation is based on an algorithm described in
-; "How to optimize for the Pentium family of microprocessors"
-; (http://www.agner.org/assem/).
-;
-; GLOBAL(void)
-; jsimd_quantize_sse2 (JCOEFPTR coef_block, DCTELEM * divisors,
-; DCTELEM * workspace);
-;
-
-%define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM)
-%define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM)
-%define SCALE(m,n,b) XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM)
-
-; r10 = JCOEFPTR coef_block
-; r11 = DCTELEM * divisors
-; r12 = DCTELEM * workspace
-
- align 16
- global EXTN(jsimd_quantize_sse2) PRIVATE
-
-EXTN(jsimd_quantize_sse2):
- push rbp
- mov rax,rsp
- mov rbp,rsp
- collect_args
-
- mov rsi, r12
- mov rdx, r11
- mov rdi, r10
- mov rax, DCTSIZE2/32
-.quantloop:
- movdqa xmm4, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_DCTELEM)]
- movdqa xmm5, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_DCTELEM)]
- movdqa xmm6, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_DCTELEM)]
- movdqa xmm7, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_DCTELEM)]
- movdqa xmm0,xmm4
- movdqa xmm1,xmm5
- movdqa xmm2,xmm6
- movdqa xmm3,xmm7
- psraw xmm4,(WORD_BIT-1)
- psraw xmm5,(WORD_BIT-1)
- psraw xmm6,(WORD_BIT-1)
- psraw xmm7,(WORD_BIT-1)
- pxor xmm0,xmm4
- pxor xmm1,xmm5
- pxor xmm2,xmm6
- pxor xmm3,xmm7
- psubw xmm0,xmm4 ; if (xmm0 < 0) xmm0 = -xmm0;
- psubw xmm1,xmm5 ; if (xmm1 < 0) xmm1 = -xmm1;
- psubw xmm2,xmm6 ; if (xmm2 < 0) xmm2 = -xmm2;
- psubw xmm3,xmm7 ; if (xmm3 < 0) xmm3 = -xmm3;
-
- paddw xmm0, XMMWORD [CORRECTION(0,0,rdx)] ; correction + roundfactor
- paddw xmm1, XMMWORD [CORRECTION(1,0,rdx)]
- paddw xmm2, XMMWORD [CORRECTION(2,0,rdx)]
- paddw xmm3, XMMWORD [CORRECTION(3,0,rdx)]
- pmulhuw xmm0, XMMWORD [RECIPROCAL(0,0,rdx)] ; reciprocal
- pmulhuw xmm1, XMMWORD [RECIPROCAL(1,0,rdx)]
- pmulhuw xmm2, XMMWORD [RECIPROCAL(2,0,rdx)]
- pmulhuw xmm3, XMMWORD [RECIPROCAL(3,0,rdx)]
- pmulhuw xmm0, XMMWORD [SCALE(0,0,rdx)] ; scale
- pmulhuw xmm1, XMMWORD [SCALE(1,0,rdx)]
- pmulhuw xmm2, XMMWORD [SCALE(2,0,rdx)]
- pmulhuw xmm3, XMMWORD [SCALE(3,0,rdx)]
-
- pxor xmm0,xmm4
- pxor xmm1,xmm5
- pxor xmm2,xmm6
- pxor xmm3,xmm7
- psubw xmm0,xmm4
- psubw xmm1,xmm5
- psubw xmm2,xmm6
- psubw xmm3,xmm7
- movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0
- movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1
- movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2
- movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3
-
- add rsi, byte 32*SIZEOF_DCTELEM
- add rdx, byte 32*SIZEOF_DCTELEM
- add rdi, byte 32*SIZEOF_JCOEF
- dec rax
- jnz near .quantloop
-
- uncollect_args
- pop rbp
- ret
-
-; For some reason, the OS X linker does not honor the request to align the
-; segment unless we do this.
- align 16
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