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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/jidctfst-sse2.asm
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@@ -2,6 +2,7 @@
; jidctfst.asm - fast integer IDCT (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.
@@ -57,7 +58,7 @@ F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1)
%define PRE_MULTIPLY_SCALE_BITS 2
%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
alignz 16
alignz 32
global EXTN(jconst_idct_ifast_sse2)
EXTN(jconst_idct_ifast_sse2):
@@ -68,7 +69,7 @@ PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT
PW_F1082 times 8 dw F_1_082 << CONST_SHIFT
PB_CENTERJSAMP times 16 db CENTERJSAMPLE
alignz 16
alignz 32
; --------------------------------------------------------------------------
SECTION SEG_TEXT
@@ -90,7 +91,7 @@ PB_CENTERJSAMP times 16 db CENTERJSAMPLE
%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
%define WK_NUM 2
align 16
align 32
global EXTN(jsimd_idct_ifast_sse2)
EXTN(jsimd_idct_ifast_sse2):
@@ -498,4 +499,4 @@ EXTN(jsimd_idct_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