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-rw-r--r--media/libjpeg/simd/i386/jfdctflt-sse.asm369
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diff --git a/media/libjpeg/simd/i386/jfdctflt-sse.asm b/media/libjpeg/simd/i386/jfdctflt-sse.asm
new file mode 100644
index 0000000000..86952c6499
--- /dev/null
+++ b/media/libjpeg/simd/i386/jfdctflt-sse.asm
@@ -0,0 +1,369 @@
+;
+; jfdctflt.asm - floating-point FDCT (SSE)
+;
+; 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.
+; 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
+;
+; This file contains a floating-point implementation of the forward DCT
+; (Discrete Cosine Transform). The following code is based directly on
+; the IJG's original jfdctflt.c; see the jfdctflt.c for more details.
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5)
+ shufps %1, %2, 0x44
+%endmacro
+
+%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7)
+ shufps %1, %2, 0xEE
+%endmacro
+
+; --------------------------------------------------------------------------
+ SECTION SEG_CONST
+
+ alignz 32
+ GLOBAL_DATA(jconst_fdct_float_sse)
+
+EXTN(jconst_fdct_float_sse):
+
+PD_0_382 times 4 dd 0.382683432365089771728460
+PD_0_707 times 4 dd 0.707106781186547524400844
+PD_0_541 times 4 dd 0.541196100146196984399723
+PD_1_306 times 4 dd 1.306562964876376527856643
+
+ alignz 32
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+;
+; Perform the forward DCT on one block of samples.
+;
+; GLOBAL(void)
+; jsimd_fdct_float_sse(FAST_FLOAT *data)
+;
+
+%define data(b) (b) + 8 ; FAST_FLOAT *data
+
+%define original_ebp ebp + 0
+%define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_XMMWORD
+ ; xmmword wk[WK_NUM]
+%define WK_NUM 2
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_fdct_float_sse)
+
+EXTN(jsimd_fdct_float_sse):
+ push ebp
+ mov eax, esp ; eax = original ebp
+ sub esp, byte 4
+ and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
+ mov [esp], eax
+ mov ebp, esp ; ebp = aligned ebp
+ lea esp, [wk(0)]
+ pushpic ebx
+; push ecx ; need not be preserved
+; push edx ; need not be preserved
+; push esi ; unused
+; push edi ; unused
+
+ get_GOT ebx ; get GOT address
+
+ ; ---- Pass 1: process rows.
+
+ mov edx, POINTER [data(eax)] ; (FAST_FLOAT *)
+ mov ecx, DCTSIZE/4
+ alignx 16, 7
+.rowloop:
+
+ movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm2, XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm0=(20 21 22 23), xmm2=(24 25 26 27)
+ ; xmm1=(30 31 32 33), xmm3=(34 35 36 37)
+
+ movaps xmm4, xmm0 ; transpose coefficients(phase 1)
+ unpcklps xmm0, xmm1 ; xmm0=(20 30 21 31)
+ unpckhps xmm4, xmm1 ; xmm4=(22 32 23 33)
+ movaps xmm5, xmm2 ; transpose coefficients(phase 1)
+ unpcklps xmm2, xmm3 ; xmm2=(24 34 25 35)
+ unpckhps xmm5, xmm3 ; xmm5=(26 36 27 37)
+
+ movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm6=(00 01 02 03), xmm1=(04 05 06 07)
+ ; xmm7=(10 11 12 13), xmm3=(14 15 16 17)
+
+ movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 32 23 33)
+ movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(24 34 25 35)
+
+ movaps xmm4, xmm6 ; transpose coefficients(phase 1)
+ unpcklps xmm6, xmm7 ; xmm6=(00 10 01 11)
+ unpckhps xmm4, xmm7 ; xmm4=(02 12 03 13)
+ movaps xmm2, xmm1 ; transpose coefficients(phase 1)
+ unpcklps xmm1, xmm3 ; xmm1=(04 14 05 15)
+ unpckhps xmm2, xmm3 ; xmm2=(06 16 07 17)
+
+ movaps xmm7, xmm6 ; transpose coefficients(phase 2)
+ unpcklps2 xmm6, xmm0 ; xmm6=(00 10 20 30)=data0
+ unpckhps2 xmm7, xmm0 ; xmm7=(01 11 21 31)=data1
+ movaps xmm3, xmm2 ; transpose coefficients(phase 2)
+ unpcklps2 xmm2, xmm5 ; xmm2=(06 16 26 36)=data6
+ unpckhps2 xmm3, xmm5 ; xmm3=(07 17 27 37)=data7
+
+ movaps xmm0, xmm7
+ movaps xmm5, xmm6
+ subps xmm7, xmm2 ; xmm7=data1-data6=tmp6
+ subps xmm6, xmm3 ; xmm6=data0-data7=tmp7
+ addps xmm0, xmm2 ; xmm0=data1+data6=tmp1
+ addps xmm5, xmm3 ; xmm5=data0+data7=tmp0
+
+ movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 32 23 33)
+ movaps xmm3, XMMWORD [wk(1)] ; xmm3=(24 34 25 35)
+ movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6
+ movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7
+
+ movaps xmm7, xmm4 ; transpose coefficients(phase 2)
+ unpcklps2 xmm4, xmm2 ; xmm4=(02 12 22 32)=data2
+ unpckhps2 xmm7, xmm2 ; xmm7=(03 13 23 33)=data3
+ movaps xmm6, xmm1 ; transpose coefficients(phase 2)
+ unpcklps2 xmm1, xmm3 ; xmm1=(04 14 24 34)=data4
+ unpckhps2 xmm6, xmm3 ; xmm6=(05 15 25 35)=data5
+
+ movaps xmm2, xmm7
+ movaps xmm3, xmm4
+ addps xmm7, xmm1 ; xmm7=data3+data4=tmp3
+ addps xmm4, xmm6 ; xmm4=data2+data5=tmp2
+ subps xmm2, xmm1 ; xmm2=data3-data4=tmp4
+ subps xmm3, xmm6 ; xmm3=data2-data5=tmp5
+
+ ; -- Even part
+
+ movaps xmm1, xmm5
+ movaps xmm6, xmm0
+ subps xmm5, xmm7 ; xmm5=tmp13
+ subps xmm0, xmm4 ; xmm0=tmp12
+ addps xmm1, xmm7 ; xmm1=tmp10
+ addps xmm6, xmm4 ; xmm6=tmp11
+
+ addps xmm0, xmm5
+ mulps xmm0, [GOTOFF(ebx,PD_0_707)] ; xmm0=z1
+
+ movaps xmm7, xmm1
+ movaps xmm4, xmm5
+ subps xmm1, xmm6 ; xmm1=data4
+ subps xmm5, xmm0 ; xmm5=data6
+ addps xmm7, xmm6 ; xmm7=data0
+ addps xmm4, xmm0 ; xmm4=data2
+
+ movaps XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ ; -- Odd part
+
+ movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6
+ movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7
+
+ addps xmm2, xmm3 ; xmm2=tmp10
+ addps xmm3, xmm6 ; xmm3=tmp11
+ addps xmm6, xmm0 ; xmm6=tmp12, xmm0=tmp7
+
+ mulps xmm3, [GOTOFF(ebx,PD_0_707)] ; xmm3=z3
+
+ movaps xmm1, xmm2 ; xmm1=tmp10
+ subps xmm2, xmm6
+ mulps xmm2, [GOTOFF(ebx,PD_0_382)] ; xmm2=z5
+ mulps xmm1, [GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196)
+ mulps xmm6, [GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562)
+ addps xmm1, xmm2 ; xmm1=z2
+ addps xmm6, xmm2 ; xmm6=z4
+
+ movaps xmm5, xmm0
+ subps xmm0, xmm3 ; xmm0=z13
+ addps xmm5, xmm3 ; xmm5=z11
+
+ movaps xmm7, xmm0
+ movaps xmm4, xmm5
+ subps xmm0, xmm1 ; xmm0=data3
+ subps xmm5, xmm6 ; xmm5=data7
+ addps xmm7, xmm1 ; xmm7=data5
+ addps xmm4, xmm6 ; xmm4=data1
+
+ movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ add edx, 4*DCTSIZE*SIZEOF_FAST_FLOAT
+ dec ecx
+ jnz near .rowloop
+
+ ; ---- Pass 2: process columns.
+
+ mov edx, POINTER [data(eax)] ; (FAST_FLOAT *)
+ mov ecx, DCTSIZE/4
+ alignx 16, 7
+.columnloop:
+
+ movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm2, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm0=(02 12 22 32), xmm2=(42 52 62 72)
+ ; xmm1=(03 13 23 33), xmm3=(43 53 63 73)
+
+ movaps xmm4, xmm0 ; transpose coefficients(phase 1)
+ unpcklps xmm0, xmm1 ; xmm0=(02 03 12 13)
+ unpckhps xmm4, xmm1 ; xmm4=(22 23 32 33)
+ movaps xmm5, xmm2 ; transpose coefficients(phase 1)
+ unpcklps xmm2, xmm3 ; xmm2=(42 43 52 53)
+ unpckhps xmm5, xmm3 ; xmm5=(62 63 72 73)
+
+ movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm1, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)]
+ movaps xmm3, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)]
+
+ ; xmm6=(00 10 20 30), xmm1=(40 50 60 70)
+ ; xmm7=(01 11 21 31), xmm3=(41 51 61 71)
+
+ movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 23 32 33)
+ movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(42 43 52 53)
+
+ movaps xmm4, xmm6 ; transpose coefficients(phase 1)
+ unpcklps xmm6, xmm7 ; xmm6=(00 01 10 11)
+ unpckhps xmm4, xmm7 ; xmm4=(20 21 30 31)
+ movaps xmm2, xmm1 ; transpose coefficients(phase 1)
+ unpcklps xmm1, xmm3 ; xmm1=(40 41 50 51)
+ unpckhps xmm2, xmm3 ; xmm2=(60 61 70 71)
+
+ movaps xmm7, xmm6 ; transpose coefficients(phase 2)
+ unpcklps2 xmm6, xmm0 ; xmm6=(00 01 02 03)=data0
+ unpckhps2 xmm7, xmm0 ; xmm7=(10 11 12 13)=data1
+ movaps xmm3, xmm2 ; transpose coefficients(phase 2)
+ unpcklps2 xmm2, xmm5 ; xmm2=(60 61 62 63)=data6
+ unpckhps2 xmm3, xmm5 ; xmm3=(70 71 72 73)=data7
+
+ movaps xmm0, xmm7
+ movaps xmm5, xmm6
+ subps xmm7, xmm2 ; xmm7=data1-data6=tmp6
+ subps xmm6, xmm3 ; xmm6=data0-data7=tmp7
+ addps xmm0, xmm2 ; xmm0=data1+data6=tmp1
+ addps xmm5, xmm3 ; xmm5=data0+data7=tmp0
+
+ movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 23 32 33)
+ movaps xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53)
+ movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6
+ movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7
+
+ movaps xmm7, xmm4 ; transpose coefficients(phase 2)
+ unpcklps2 xmm4, xmm2 ; xmm4=(20 21 22 23)=data2
+ unpckhps2 xmm7, xmm2 ; xmm7=(30 31 32 33)=data3
+ movaps xmm6, xmm1 ; transpose coefficients(phase 2)
+ unpcklps2 xmm1, xmm3 ; xmm1=(40 41 42 43)=data4
+ unpckhps2 xmm6, xmm3 ; xmm6=(50 51 52 53)=data5
+
+ movaps xmm2, xmm7
+ movaps xmm3, xmm4
+ addps xmm7, xmm1 ; xmm7=data3+data4=tmp3
+ addps xmm4, xmm6 ; xmm4=data2+data5=tmp2
+ subps xmm2, xmm1 ; xmm2=data3-data4=tmp4
+ subps xmm3, xmm6 ; xmm3=data2-data5=tmp5
+
+ ; -- Even part
+
+ movaps xmm1, xmm5
+ movaps xmm6, xmm0
+ subps xmm5, xmm7 ; xmm5=tmp13
+ subps xmm0, xmm4 ; xmm0=tmp12
+ addps xmm1, xmm7 ; xmm1=tmp10
+ addps xmm6, xmm4 ; xmm6=tmp11
+
+ addps xmm0, xmm5
+ mulps xmm0, [GOTOFF(ebx,PD_0_707)] ; xmm0=z1
+
+ movaps xmm7, xmm1
+ movaps xmm4, xmm5
+ subps xmm1, xmm6 ; xmm1=data4
+ subps xmm5, xmm0 ; xmm5=data6
+ addps xmm7, xmm6 ; xmm7=data0
+ addps xmm4, xmm0 ; xmm4=data2
+
+ movaps XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)], xmm1
+ movaps XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ ; -- Odd part
+
+ movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6
+ movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7
+
+ addps xmm2, xmm3 ; xmm2=tmp10
+ addps xmm3, xmm6 ; xmm3=tmp11
+ addps xmm6, xmm0 ; xmm6=tmp12, xmm0=tmp7
+
+ mulps xmm3, [GOTOFF(ebx,PD_0_707)] ; xmm3=z3
+
+ movaps xmm1, xmm2 ; xmm1=tmp10
+ subps xmm2, xmm6
+ mulps xmm2, [GOTOFF(ebx,PD_0_382)] ; xmm2=z5
+ mulps xmm1, [GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196)
+ mulps xmm6, [GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562)
+ addps xmm1, xmm2 ; xmm1=z2
+ addps xmm6, xmm2 ; xmm6=z4
+
+ movaps xmm5, xmm0
+ subps xmm0, xmm3 ; xmm0=z13
+ addps xmm5, xmm3 ; xmm5=z11
+
+ movaps xmm7, xmm0
+ movaps xmm4, xmm5
+ subps xmm0, xmm1 ; xmm0=data3
+ subps xmm5, xmm6 ; xmm5=data7
+ addps xmm7, xmm1 ; xmm7=data5
+ addps xmm4, xmm6 ; xmm4=data1
+
+ movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0
+ movaps XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)], xmm5
+ movaps XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)], xmm7
+ movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4
+
+ add edx, byte 4*SIZEOF_FAST_FLOAT
+ dec ecx
+ jnz near .columnloop
+
+; pop edi ; unused
+; pop esi ; unused
+; pop edx ; need not be preserved
+; pop ecx ; need not be preserved
+ poppic ebx
+ mov esp, ebp ; esp <- aligned ebp
+ pop esp ; esp <- original ebp
+ pop ebp
+ ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+ align 32
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