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Lay the groundwork for 32-bit AVX2 SIMD support

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This commit is contained in:
DRC
2016-07-05 16:19:26 -05:00
parent b5426c52c0
commit 7ee3ce9ada
45 changed files with 196 additions and 164 deletions
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9
simd/jfdctfst-sse2.asm
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@@ -2,6 +2,7 @@
; jfdctfst.asm - fast integer FDCT (SSE2)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright (C) 2016, D. R. Commander.
;
; Based on the x86 SIMD extension for IJG JPEG library
; Copyright (C) 1999-2006, MIYASAKA Masaru.
@@ -50,7 +51,7 @@ F_1_306 equ DESCALE(1402911301, 30-CONST_BITS) ; FIX(1.306562965)
%define PRE_MULTIPLY_SCALE_BITS 2
%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
alignz 16
alignz 32
global EXTN(jconst_fdct_ifast_sse2)
EXTN(jconst_fdct_ifast_sse2):
@@ -60,7 +61,7 @@ PW_F0382 times 8 dw F_0_382 << CONST_SHIFT
PW_F0541 times 8 dw F_0_541 << CONST_SHIFT
PW_F1306 times 8 dw F_1_306 << CONST_SHIFT
alignz 16
alignz 32
; --------------------------------------------------------------------------
SECTION SEG_TEXT
@@ -78,7 +79,7 @@ PW_F1306 times 8 dw F_1_306 << CONST_SHIFT
%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
%define WK_NUM 2
align 16
align 32
global EXTN(jsimd_fdct_ifast_sse2)
EXTN(jsimd_fdct_ifast_sse2):
@@ -400,4 +401,4 @@ EXTN(jsimd_fdct_ifast_sse2):
; For some reason, the OS X linker does not honor the request to align the
; segment unless we do this.
align 16
align 32