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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/jidctflt-sse2.asm
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@@ -2,6 +2,7 @@
; jidctflt.asm - floating-point IDCT (SSE & 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.
@@ -35,7 +36,7 @@
; --------------------------------------------------------------------------
SECTION SEG_CONST
alignz 16
alignz 32
global EXTN(jconst_idct_float_sse2)
EXTN(jconst_idct_float_sse2):
@@ -47,7 +48,7 @@ PD_M2_613 times 4 dd -2.613125929752753055713286
PD_RNDINT_MAGIC times 4 dd 100663296.0 ; (float)(0x00C00000 << 3)
PB_CENTERJSAMP times 16 db CENTERJSAMPLE
alignz 16
alignz 32
; --------------------------------------------------------------------------
SECTION SEG_TEXT
@@ -71,7 +72,7 @@ PB_CENTERJSAMP times 16 db CENTERJSAMPLE
%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT
; FAST_FLOAT workspace[DCTSIZE2]
align 16
align 32
global EXTN(jsimd_idct_float_sse2)
EXTN(jsimd_idct_float_sse2):
@@ -494,4 +495,4 @@ EXTN(jsimd_idct_float_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