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 |