Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 201 insertions, 0 deletions

diff --git a/media/libjpeg/simd/i386/jquanti-sse2.asm b/media/libjpeg/simd/i386/jquanti-sse2.asm
new file mode 100644
index 0000000000..0a509408aa
--- /dev/null
+++ b/media/libjpeg/simd/i386/jquanti-sse2.asm
@@ -0,0 +1,201 @@
+;
+; jquanti.asm - sample data conversion and quantization (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.
+; 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
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+    SECTION     SEG_TEXT
+    BITS        32
+;
+; Load data into workspace, applying unsigned->signed conversion
+;
+; GLOBAL(void)
+; jsimd_convsamp_sse2(JSAMPARRAY sample_data, JDIMENSION start_col,
+;                     DCTELEM *workspace);
+;
+
+%define sample_data  ebp + 8            ; JSAMPARRAY sample_data
+%define start_col    ebp + 12           ; JDIMENSION start_col
+%define workspace    ebp + 16           ; DCTELEM *workspace
+
+    align       32
+    GLOBAL_FUNCTION(jsimd_convsamp_sse2)
+
+EXTN(jsimd_convsamp_sse2):
+    push        ebp
+    mov         ebp, esp
+    push        ebx
+;   push        ecx                     ; need not be preserved
+;   push        edx                     ; need not be preserved
+    push        esi
+    push        edi
+
+    pxor        xmm6, xmm6              ; xmm6=(all 0's)
+    pcmpeqw     xmm7, xmm7
+    psllw       xmm7, 7                 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
+
+    mov         esi, JSAMPARRAY [sample_data]  ; (JSAMPROW *)
+    mov         eax, JDIMENSION [start_col]
+    mov         edi, POINTER [workspace]       ; (DCTELEM *)
+    mov         ecx, DCTSIZE/4
+    alignx      16, 7
+.convloop:
+    mov         ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW]  ; (JSAMPLE *)
+    mov         edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW]  ; (JSAMPLE *)
+
+    movq        xmm0, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE]  ; xmm0=(01234567)
+    movq        xmm1, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE]  ; xmm1=(89ABCDEF)
+
+    mov         ebx, JSAMPROW [esi+2*SIZEOF_JSAMPROW]  ; (JSAMPLE *)
+    mov         edx, JSAMPROW [esi+3*SIZEOF_JSAMPROW]  ; (JSAMPLE *)
+
+    movq        xmm2, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE]  ; xmm2=(GHIJKLMN)
+    movq        xmm3, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE]  ; xmm3=(OPQRSTUV)
+
+    punpcklbw   xmm0, xmm6              ; xmm0=(01234567)
+    punpcklbw   xmm1, xmm6              ; xmm1=(89ABCDEF)
+    paddw       xmm0, xmm7
+    paddw       xmm1, xmm7
+    punpcklbw   xmm2, xmm6              ; xmm2=(GHIJKLMN)
+    punpcklbw   xmm3, xmm6              ; xmm3=(OPQRSTUV)
+    paddw       xmm2, xmm7
+    paddw       xmm3, xmm7
+
+    movdqa      XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0
+    movdqa      XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1
+    movdqa      XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2
+    movdqa      XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3
+
+    add         esi, byte 4*SIZEOF_JSAMPROW
+    add         edi, byte 4*DCTSIZE*SIZEOF_DCTELEM
+    dec         ecx
+    jnz         short .convloop
+
+    pop         edi
+    pop         esi
+;   pop         edx                     ; need not be preserved
+;   pop         ecx                     ; need not be preserved
+    pop         ebx
+    pop         ebp
+    ret
+
+; --------------------------------------------------------------------------
+;
+; Quantize/descale the coefficients, and store into coef_block
+;
+; This implementation is based on an algorithm described in
+;   "How to optimize for the Pentium family of microprocessors"
+;   (http://www.agner.org/assem/).
+;
+; GLOBAL(void)
+; jsimd_quantize_sse2(JCOEFPTR coef_block, DCTELEM *divisors,
+;                     DCTELEM *workspace);
+;
+
+%define RECIPROCAL(m, n, b) \
+  XMMBLOCK(DCTSIZE * 0 + (m), (n), (b), SIZEOF_DCTELEM)
+%define CORRECTION(m, n, b) \
+  XMMBLOCK(DCTSIZE * 1 + (m), (n), (b), SIZEOF_DCTELEM)
+%define SCALE(m, n, b) \
+  XMMBLOCK(DCTSIZE * 2 + (m), (n), (b), SIZEOF_DCTELEM)
+
+%define coef_block  ebp + 8             ; JCOEFPTR coef_block
+%define divisors    ebp + 12            ; DCTELEM *divisors
+%define workspace   ebp + 16            ; DCTELEM *workspace
+
+    align       32
+    GLOBAL_FUNCTION(jsimd_quantize_sse2)
+
+EXTN(jsimd_quantize_sse2):
+    push        ebp
+    mov         ebp, esp
+;   push        ebx                     ; unused
+;   push        ecx                     ; unused
+;   push        edx                     ; need not be preserved
+    push        esi
+    push        edi
+
+    mov         esi, POINTER [workspace]
+    mov         edx, POINTER [divisors]
+    mov         edi, JCOEFPTR [coef_block]
+    mov         eax, DCTSIZE2/32
+    alignx      16, 7
+.quantloop:
+    movdqa      xmm4, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_DCTELEM)]
+    movdqa      xmm5, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_DCTELEM)]
+    movdqa      xmm6, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_DCTELEM)]
+    movdqa      xmm7, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_DCTELEM)]
+    movdqa      xmm0, xmm4
+    movdqa      xmm1, xmm5
+    movdqa      xmm2, xmm6
+    movdqa      xmm3, xmm7
+    psraw       xmm4, (WORD_BIT-1)
+    psraw       xmm5, (WORD_BIT-1)
+    psraw       xmm6, (WORD_BIT-1)
+    psraw       xmm7, (WORD_BIT-1)
+    pxor        xmm0, xmm4
+    pxor        xmm1, xmm5
+    pxor        xmm2, xmm6
+    pxor        xmm3, xmm7
+    psubw       xmm0, xmm4              ; if (xmm0 < 0) xmm0 = -xmm0;
+    psubw       xmm1, xmm5              ; if (xmm1 < 0) xmm1 = -xmm1;
+    psubw       xmm2, xmm6              ; if (xmm2 < 0) xmm2 = -xmm2;
+    psubw       xmm3, xmm7              ; if (xmm3 < 0) xmm3 = -xmm3;
+
+    paddw       xmm0, XMMWORD [CORRECTION(0,0,edx)]  ; correction + roundfactor
+    paddw       xmm1, XMMWORD [CORRECTION(1,0,edx)]
+    paddw       xmm2, XMMWORD [CORRECTION(2,0,edx)]
+    paddw       xmm3, XMMWORD [CORRECTION(3,0,edx)]
+    pmulhuw     xmm0, XMMWORD [RECIPROCAL(0,0,edx)]  ; reciprocal
+    pmulhuw     xmm1, XMMWORD [RECIPROCAL(1,0,edx)]
+    pmulhuw     xmm2, XMMWORD [RECIPROCAL(2,0,edx)]
+    pmulhuw     xmm3, XMMWORD [RECIPROCAL(3,0,edx)]
+    pmulhuw     xmm0, XMMWORD [SCALE(0,0,edx)]       ; scale
+    pmulhuw     xmm1, XMMWORD [SCALE(1,0,edx)]
+    pmulhuw     xmm2, XMMWORD [SCALE(2,0,edx)]
+    pmulhuw     xmm3, XMMWORD [SCALE(3,0,edx)]
+
+    pxor        xmm0, xmm4
+    pxor        xmm1, xmm5
+    pxor        xmm2, xmm6
+    pxor        xmm3, xmm7
+    psubw       xmm0, xmm4
+    psubw       xmm1, xmm5
+    psubw       xmm2, xmm6
+    psubw       xmm3, xmm7
+    movdqa      XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0
+    movdqa      XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1
+    movdqa      XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2
+    movdqa      XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3
+
+    add         esi, byte 32*SIZEOF_DCTELEM
+    add         edx, byte 32*SIZEOF_DCTELEM
+    add         edi, byte 32*SIZEOF_JCOEF
+    dec         eax
+    jnz         near .quantloop
+
+    pop         edi
+    pop         esi
+;   pop         edx                     ; need not be preserved
+;   pop         ecx                     ; unused
+;   pop         ebx                     ; unused
+    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