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Convert i386 asm code to ELF PIC
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@mirabilos
mirabilos committed Jan 26, 2017
1 parent 5578470 commit e13e8cb
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Showing 6 changed files with 231 additions and 81 deletions.
33 changes: 29 additions & 4 deletions module/x86/a8r8g8b8_to_a8b8g8r8_box_x86_sse2.asm
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
;
;Copyright 2014 Jay Sorg
;Copyright 2017 mirabilos
;
;Permission to use, copy, modify, distribute, and sell this software and its
;documentation for any purpose is hereby granted without fee, provided that
Expand All @@ -22,7 +23,30 @@
;

%ifidn __OUTPUT_FORMAT__,elf
SECTION .note.GNU-stack noalloc noexec nowrite progbits
section .note.GNU-stack noalloc noexec nowrite progbits
%ifdef PIC
section .text
extern _GLOBAL_OFFSET_TABLE_
..@get_GOT:
mov ebx,[esp]
ret
%define lsym(name) ebx + name wrt ..gotoff
%macro get_GOT 0
call ..@get_GOT
add ebx,_GLOBAL_OFFSET_TABLE_+$$-..@get_GOT wrt ..gotpc
%endmacro
%else
%endif
%else
; not ELF
%ifdef PIC
%error Position-Independent Code is currently only supported for ELF
%endif
%endif
%ifndef lsym
%define lsym(name) name
%macro get_GOT 0
%endmacro
%endif

SECTION .data
Expand All @@ -49,13 +73,14 @@ PROC a8r8g8b8_to_a8b8g8r8_box_x86_sse2
PROC _a8r8g8b8_to_a8b8g8r8_box_x86_sse2
%endif
push ebx
get_GOT
push esi
push edi
push ebp

movdqa xmm4, [c1]
movdqa xmm5, [c2]
movdqa xmm6, [c3]
movdqa xmm4, [lsym(c1)]
movdqa xmm5, [lsym(c2)]
movdqa xmm6, [lsym(c3)]

mov esi, [esp + 20] ; src
mov edi, [esp + 28] ; dst
Expand Down
131 changes: 78 additions & 53 deletions module/x86/a8r8g8b8_to_nv12_box_x86_sse2.asm
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
;
;Copyright 2015 Jay Sorg
;Copyright 2017 mirabilos
;
;Permission to use, copy, modify, distribute, and sell this software and its
;documentation for any purpose is hereby granted without fee, provided that
Expand All @@ -26,7 +27,30 @@
; height should be even and > 0

%ifidn __OUTPUT_FORMAT__,elf
SECTION .note.GNU-stack noalloc noexec nowrite progbits
section .note.GNU-stack noalloc noexec nowrite progbits
%ifdef PIC
section .text
extern _GLOBAL_OFFSET_TABLE_
..@get_GOT:
mov ebx,[esp]
ret
%define lsym(name) ebx + name wrt ..gotoff
%macro get_GOT 0
call ..@get_GOT
add ebx,_GLOBAL_OFFSET_TABLE_+$$-..@get_GOT wrt ..gotpc
%endmacro
%else
%endif
%else
; not ELF
%ifdef PIC
%error Position-Independent Code is currently only supported for ELF
%endif
%endif
%ifndef lsym
%define lsym(name) name
%macro get_GOT 0
%endmacro
%endif

SECTION .data
Expand Down Expand Up @@ -81,6 +105,7 @@ PROC a8r8g8b8_to_nv12_box_x86_sse2
PROC _a8r8g8b8_to_nv12_box_x86_sse2
%endif
push ebx
get_GOT
push esi
push edi
push ebp
Expand All @@ -103,23 +128,23 @@ loop1:
; first line
movdqu xmm0, [esi] ; 4 pixels, 16 bytes
movdqa xmm1, xmm0 ; blue
pand xmm1, [cd255] ; blue
pand xmm1, [lsym(cd255)] ; blue
movdqa xmm2, xmm0 ; green
psrld xmm2, 8 ; green
pand xmm2, [cd255] ; green
pand xmm2, [lsym(cd255)] ; green
movdqa xmm3, xmm0 ; red
psrld xmm3, 16 ; red
pand xmm3, [cd255] ; red
pand xmm3, [lsym(cd255)] ; red

movdqu xmm0, [esi + 16] ; 4 pixels, 16 bytes
movdqa xmm4, xmm0 ; blue
pand xmm4, [cd255] ; blue
pand xmm4, [lsym(cd255)] ; blue
movdqa xmm5, xmm0 ; green
psrld xmm5, 8 ; green
pand xmm5, [cd255] ; green
pand xmm5, [lsym(cd255)] ; green
movdqa xmm6, xmm0 ; red
psrld xmm6, 16 ; red
pand xmm6, [cd255] ; red
pand xmm6, [lsym(cd255)] ; red

packssdw xmm1, xmm4 ; xmm1 = 8 blues
packssdw xmm2, xmm5 ; xmm2 = 8 greens
Expand All @@ -129,44 +154,44 @@ loop1:
movdqa xmm4, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm6, xmm3 ; red
pmullw xmm4, [cw25]
pmullw xmm5, [cw129]
pmullw xmm6, [cw66]
pmullw xmm4, [lsym(cw25)]
pmullw xmm5, [lsym(cw129)]
pmullw xmm6, [lsym(cw66)]
paddw xmm4, xmm5
paddw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psrlw xmm4, 8
paddw xmm4, [cw16]
paddw xmm4, [lsym(cw16)]
packuswb xmm4, xmm7
movq [edi], xmm4 ; out 8 bytes yyyyyyyy

; _U = ((-38 * _R - 74 * _G + 112 * _B + 128) >> 8) + 128;
movdqa xmm4, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm6, xmm3 ; red
pmullw xmm4, [cw112]
pmullw xmm5, [cw74]
pmullw xmm6, [cw38]
pmullw xmm4, [lsym(cw112)]
pmullw xmm5, [lsym(cw74)]
pmullw xmm6, [lsym(cw38)]
psubw xmm4, xmm5
psubw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psraw xmm4, 8
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
packuswb xmm4, xmm7
movq LU1, xmm4 ; save for later

; _V = ((112 * _R - 94 * _G - 18 * _B + 128) >> 8) + 128;
movdqa xmm6, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm4, xmm3 ; red
pmullw xmm4, [cw112]
pmullw xmm5, [cw94]
pmullw xmm6, [cw18]
pmullw xmm4, [lsym(cw112)]
pmullw xmm5, [lsym(cw94)]
pmullw xmm6, [lsym(cw18)]
psubw xmm4, xmm5
psubw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psraw xmm4, 8
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
packuswb xmm4, xmm7
movq LV1, xmm4 ; save for later

Expand All @@ -177,23 +202,23 @@ loop1:
; second line
movdqu xmm0, [esi] ; 4 pixels, 16 bytes
movdqa xmm1, xmm0 ; blue
pand xmm1, [cd255] ; blue
pand xmm1, [lsym(cd255)] ; blue
movdqa xmm2, xmm0 ; green
psrld xmm2, 8 ; green
pand xmm2, [cd255] ; green
pand xmm2, [lsym(cd255)] ; green
movdqa xmm3, xmm0 ; red
psrld xmm3, 16 ; red
pand xmm3, [cd255] ; red
pand xmm3, [lsym(cd255)] ; red

movdqu xmm0, [esi + 16] ; 4 pixels, 16 bytes
movdqa xmm4, xmm0 ; blue
pand xmm4, [cd255] ; blue
pand xmm4, [lsym(cd255)] ; blue
movdqa xmm5, xmm0 ; green
psrld xmm5, 8 ; green
pand xmm5, [cd255] ; green
pand xmm5, [lsym(cd255)] ; green
movdqa xmm6, xmm0 ; red
psrld xmm6, 16 ; red
pand xmm6, [cd255] ; red
pand xmm6, [lsym(cd255)] ; red

packssdw xmm1, xmm4 ; xmm1 = 8 blues
packssdw xmm2, xmm5 ; xmm2 = 8 greens
Expand All @@ -203,78 +228,78 @@ loop1:
movdqa xmm4, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm6, xmm3 ; red
pmullw xmm4, [cw25]
pmullw xmm5, [cw129]
pmullw xmm6, [cw66]
pmullw xmm4, [lsym(cw25)]
pmullw xmm5, [lsym(cw129)]
pmullw xmm6, [lsym(cw66)]
paddw xmm4, xmm5
paddw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psrlw xmm4, 8
paddw xmm4, [cw16]
paddw xmm4, [lsym(cw16)]
packuswb xmm4, xmm7
movq [edi], xmm4 ; out 8 bytes yyyyyyyy

; _U = ((-38 * _R - 74 * _G + 112 * _B + 128) >> 8) + 128;
movdqa xmm4, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm6, xmm3 ; red
pmullw xmm4, [cw112]
pmullw xmm5, [cw74]
pmullw xmm6, [cw38]
pmullw xmm4, [lsym(cw112)]
pmullw xmm5, [lsym(cw74)]
pmullw xmm6, [lsym(cw38)]
psubw xmm4, xmm5
psubw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psraw xmm4, 8
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
packuswb xmm4, xmm7
movq LU2, xmm4 ; save for later

; _V = ((112 * _R - 94 * _G - 18 * _B + 128) >> 8) + 128;
movdqa xmm6, xmm1 ; blue
movdqa xmm5, xmm2 ; green
movdqa xmm4, xmm3 ; red
pmullw xmm4, [cw112]
pmullw xmm5, [cw94]
pmullw xmm6, [cw18]
pmullw xmm4, [lsym(cw112)]
pmullw xmm5, [lsym(cw94)]
pmullw xmm6, [lsym(cw18)]
psubw xmm4, xmm5
psubw xmm4, xmm6
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
psraw xmm4, 8
paddw xmm4, [cw128]
paddw xmm4, [lsym(cw128)]
packuswb xmm4, xmm7
movq LV2, xmm4 ; save for later

; uv add and divide(average)
movq mm1, LU1 ; u from first line
movq mm3, mm1
pand mm1, [cw255]
pand mm1, [lsym(cw255)]
psrlw mm3, 8
pand mm3, [cw255]
pand mm3, [lsym(cw255)]
paddw mm1, mm3 ; add
movq mm2, LU2 ; u from second line
movq mm3, mm2
pand mm2, [cw255]
pand mm2, [lsym(cw255)]
paddw mm1, mm2 ; add
psrlw mm3, 8
pand mm3, [cw255]
pand mm3, [lsym(cw255)]
paddw mm1, mm3 ; add
paddw mm1, [cw2] ; add 2
paddw mm1, [lsym(cw2)] ; add 2
psrlw mm1, 2 ; div 4

movq mm2, LV1 ; v from first line
movq mm4, mm2
pand mm2, [cw255]
pand mm2, [lsym(cw255)]
psrlw mm4, 8
pand mm4, [cw255]
pand mm4, [lsym(cw255)]
paddw mm2, mm4 ; add
movq mm3, LV2 ; v from second line
movq mm4, mm3
pand mm3, [cw255]
pand mm3, [lsym(cw255)]
paddw mm2, mm3 ; add
psrlw mm4, 8
pand mm4, [cw255]
pand mm4, [lsym(cw255)]
paddw mm2, mm4 ; add
paddw mm2, [cw2] ; add 2
paddw mm2, [lsym(cw2)] ; add 2
psrlw mm2, 2 ; div 4

packuswb mm1, mm1
Expand Down
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