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-rw-r--r--media/libjpeg/simd/i386/jcphuff-sse2.asm660
1 files changed, 660 insertions, 0 deletions
diff --git a/media/libjpeg/simd/i386/jcphuff-sse2.asm b/media/libjpeg/simd/i386/jcphuff-sse2.asm
new file mode 100644
index 0000000000..8b73178376
--- /dev/null
+++ b/media/libjpeg/simd/i386/jcphuff-sse2.asm
@@ -0,0 +1,660 @@
+;
+; jcphuff-sse2.asm - prepare data for progressive Huffman encoding (SSE2)
+;
+; Copyright (C) 2016, 2018, Matthieu Darbois
+;
+; 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 an SSE2 implementation of data preparation for progressive
+; Huffman encoding. See jcphuff.c for more details.
+
+%include "jsimdext.inc"
+
+; --------------------------------------------------------------------------
+ SECTION SEG_TEXT
+ BITS 32
+
+; --------------------------------------------------------------------------
+; Macros to load data for jsimd_encode_mcu_AC_first_prepare_sse2() and
+; jsimd_encode_mcu_AC_refine_prepare_sse2()
+
+%macro LOAD16 0
+ pxor N0, N0
+ pxor N1, N1
+
+ mov T0, INT [LUT + 0*SIZEOF_INT]
+ mov T1, INT [LUT + 8*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 0
+ pinsrw X1, word [BLOCK + T1 * 2], 0
+
+ mov T0, INT [LUT + 1*SIZEOF_INT]
+ mov T1, INT [LUT + 9*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 1
+ pinsrw X1, word [BLOCK + T1 * 2], 1
+
+ mov T0, INT [LUT + 2*SIZEOF_INT]
+ mov T1, INT [LUT + 10*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 2
+ pinsrw X1, word [BLOCK + T1 * 2], 2
+
+ mov T0, INT [LUT + 3*SIZEOF_INT]
+ mov T1, INT [LUT + 11*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 3
+ pinsrw X1, word [BLOCK + T1 * 2], 3
+
+ mov T0, INT [LUT + 4*SIZEOF_INT]
+ mov T1, INT [LUT + 12*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 4
+ pinsrw X1, word [BLOCK + T1 * 2], 4
+
+ mov T0, INT [LUT + 5*SIZEOF_INT]
+ mov T1, INT [LUT + 13*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 5
+ pinsrw X1, word [BLOCK + T1 * 2], 5
+
+ mov T0, INT [LUT + 6*SIZEOF_INT]
+ mov T1, INT [LUT + 14*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 6
+ pinsrw X1, word [BLOCK + T1 * 2], 6
+
+ mov T0, INT [LUT + 7*SIZEOF_INT]
+ mov T1, INT [LUT + 15*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 7
+ pinsrw X1, word [BLOCK + T1 * 2], 7
+%endmacro
+
+%macro LOAD15 0
+ pxor N0, N0
+ pxor N1, N1
+ pxor X1, X1
+
+ mov T0, INT [LUT + 0*SIZEOF_INT]
+ mov T1, INT [LUT + 8*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 0
+ pinsrw X1, word [BLOCK + T1 * 2], 0
+
+ mov T0, INT [LUT + 1*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 1
+
+ mov T0, INT [LUT + 2*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 2
+
+ mov T0, INT [LUT + 3*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 3
+
+ mov T0, INT [LUT + 4*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 4
+
+ mov T0, INT [LUT + 5*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 5
+
+ mov T0, INT [LUT + 6*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 6
+
+ mov T0, INT [LUT + 7*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 7
+
+ cmp LENEND, 2
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 9*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 1
+
+ cmp LENEND, 3
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 10*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 2
+
+ cmp LENEND, 4
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 11*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 3
+
+ cmp LENEND, 5
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 12*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 4
+
+ cmp LENEND, 6
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 13*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 5
+
+ cmp LENEND, 7
+ jl %%.ELOAD15
+ mov T1, INT [LUT + 14*SIZEOF_INT]
+ pinsrw X1, word [BLOCK + T1 * 2], 6
+%%.ELOAD15:
+%endmacro
+
+%macro LOAD8 0
+ pxor N0, N0
+
+ mov T0, INT [LUT + 0*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 0
+
+ mov T0, INT [LUT + 1*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 1
+
+ mov T0, INT [LUT + 2*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 2
+
+ mov T0, INT [LUT + 3*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 3
+
+ mov T0, INT [LUT + 4*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 4
+
+ mov T0, INT [LUT + 5*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 5
+
+ mov T0, INT [LUT + 6*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 6
+
+ mov T0, INT [LUT + 7*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T0 * 2], 7
+%endmacro
+
+%macro LOAD7 0
+ pxor N0, N0
+ pxor X0, X0
+
+ mov T1, INT [LUT + 0*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 0
+
+ cmp LENEND, 2
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 1*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 1
+
+ cmp LENEND, 3
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 2*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 2
+
+ cmp LENEND, 4
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 3*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 3
+
+ cmp LENEND, 5
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 4*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 4
+
+ cmp LENEND, 6
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 5*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 5
+
+ cmp LENEND, 7
+ jl %%.ELOAD7
+ mov T1, INT [LUT + 6*SIZEOF_INT]
+ pinsrw X0, word [BLOCK + T1 * 2], 6
+%%.ELOAD7:
+%endmacro
+
+%macro REDUCE0 0
+ movdqa xmm0, XMMWORD [VALUES + ( 0*2)]
+ movdqa xmm1, XMMWORD [VALUES + ( 8*2)]
+ movdqa xmm2, XMMWORD [VALUES + (16*2)]
+ movdqa xmm3, XMMWORD [VALUES + (24*2)]
+ movdqa xmm4, XMMWORD [VALUES + (32*2)]
+ movdqa xmm5, XMMWORD [VALUES + (40*2)]
+ movdqa xmm6, XMMWORD [VALUES + (48*2)]
+
+ pcmpeqw xmm0, ZERO
+ pcmpeqw xmm1, ZERO
+ pcmpeqw xmm2, ZERO
+ pcmpeqw xmm3, ZERO
+ pcmpeqw xmm4, ZERO
+ pcmpeqw xmm5, ZERO
+ pcmpeqw xmm6, ZERO
+ pcmpeqw xmm7, XMMWORD [VALUES + (56*2)]
+
+ packsswb xmm0, xmm1
+ packsswb xmm2, xmm3
+ packsswb xmm4, xmm5
+ packsswb xmm6, xmm7
+
+ pmovmskb eax, xmm0
+ pmovmskb ecx, xmm2
+ pmovmskb edx, xmm4
+ pmovmskb esi, xmm6
+
+ shl ecx, 16
+ shl esi, 16
+
+ or eax, ecx
+ or edx, esi
+
+ not eax
+ not edx
+
+ mov edi, ZEROBITS
+
+ mov INT [edi], eax
+ mov INT [edi+SIZEOF_INT], edx
+%endmacro
+
+;
+; Prepare data for jsimd_encode_mcu_AC_first().
+;
+; GLOBAL(void)
+; jsimd_encode_mcu_AC_first_prepare_sse2(const JCOEF *block,
+; const int *jpeg_natural_order_start,
+; int Sl, int Al, JCOEF *values,
+; size_t *zerobits)
+;
+; eax + 8 = const JCOEF *block
+; eax + 12 = const int *jpeg_natural_order_start
+; eax + 16 = int Sl
+; eax + 20 = int Al
+; eax + 24 = JCOEF *values
+; eax + 28 = size_t *zerobits
+
+%define ZERO xmm7
+%define X0 xmm0
+%define X1 xmm1
+%define N0 xmm2
+%define N1 xmm3
+%define AL xmm4
+%define K eax
+%define LENEND eax
+%define LUT ebx
+%define T0 ecx
+%define T1 edx
+%define BLOCK esi
+%define VALUES edi
+%define LEN ebp
+
+%define ZEROBITS INT [esp + 5 * 4]
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_encode_mcu_AC_first_prepare_sse2)
+
+EXTN(jsimd_encode_mcu_AC_first_prepare_sse2):
+ 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
+ sub esp, 4
+ push ebx
+ push ecx
+; push edx ; need not be preserved
+ push esi
+ push edi
+ push ebp
+
+ mov BLOCK, INT [eax + 8]
+ mov LUT, INT [eax + 12]
+ mov VALUES, INT [eax + 24]
+ movd AL, INT [eax + 20]
+ mov T0, INT [eax + 28]
+ mov ZEROBITS, T0
+ mov LEN, INT [eax + 16]
+ pxor ZERO, ZERO
+ mov K, LEN
+ and K, -16
+ shr K, 4
+ jz .ELOOP16
+.BLOOP16:
+ LOAD16
+ pcmpgtw N0, X0
+ pcmpgtw N1, X1
+ paddw X0, N0
+ paddw X1, N1
+ pxor X0, N0
+ pxor X1, N1
+ psrlw X0, AL
+ psrlw X1, AL
+ pxor N0, X0
+ pxor N1, X1
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (8) * 2], X1
+ movdqa XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+ movdqa XMMWORD [VALUES + (8 + DCTSIZE2) * 2], N1
+ add VALUES, 16*2
+ add LUT, 16*SIZEOF_INT
+ dec K
+ jnz .BLOOP16
+ test LEN, 15
+ je .PADDING
+.ELOOP16:
+ mov LENEND, LEN
+ and LENEND, 7
+
+ test LEN, 8
+ jz .TRY7
+ test LEN, 7
+ jz .TRY8
+
+ LOAD15
+ pcmpgtw N0, X0
+ pcmpgtw N1, X1
+ paddw X0, N0
+ paddw X1, N1
+ pxor X0, N0
+ pxor X1, N1
+ psrlw X0, AL
+ psrlw X1, AL
+ pxor N0, X0
+ pxor N1, X1
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (8) * 2], X1
+ movdqa XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+ movdqa XMMWORD [VALUES + (8 + DCTSIZE2) * 2], N1
+ add VALUES, 16*2
+ jmp .PADDING
+.TRY8:
+ LOAD8
+ pcmpgtw N0, X0
+ paddw X0, N0
+ pxor X0, N0
+ psrlw X0, AL
+ pxor N0, X0
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+ add VALUES, 8*2
+ jmp .PADDING
+.TRY7:
+ LOAD7
+ pcmpgtw N0, X0
+ paddw X0, N0
+ pxor X0, N0
+ psrlw X0, AL
+ pxor N0, X0
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (0 + DCTSIZE2) * 2], N0
+ add VALUES, 8*2
+.PADDING:
+ mov K, LEN
+ add K, 7
+ and K, -8
+ shr K, 3
+ sub K, DCTSIZE2/8
+ jz .EPADDING
+ align 16
+.ZEROLOOP:
+ movdqa XMMWORD [VALUES + 0], ZERO
+ add VALUES, 8*2
+ inc K
+ jnz .ZEROLOOP
+.EPADDING:
+ sub VALUES, DCTSIZE2*2
+
+ REDUCE0
+
+ pop ebp
+ pop edi
+ pop esi
+; pop edx ; need not be preserved
+ pop ecx
+ pop ebx
+ mov esp, ebp ; esp <- aligned ebp
+ pop esp ; esp <- original ebp
+ pop ebp
+ ret
+
+%undef ZERO
+%undef X0
+%undef X1
+%undef N0
+%undef N1
+%undef AL
+%undef K
+%undef LUT
+%undef T0
+%undef T1
+%undef BLOCK
+%undef VALUES
+%undef LEN
+
+;
+; Prepare data for jsimd_encode_mcu_AC_refine().
+;
+; GLOBAL(int)
+; jsimd_encode_mcu_AC_refine_prepare_sse2(const JCOEF *block,
+; const int *jpeg_natural_order_start,
+; int Sl, int Al, JCOEF *absvalues,
+; size_t *bits)
+;
+; eax + 8 = const JCOEF *block
+; eax + 12 = const int *jpeg_natural_order_start
+; eax + 16 = int Sl
+; eax + 20 = int Al
+; eax + 24 = JCOEF *values
+; eax + 28 = size_t *bits
+
+%define ZERO xmm7
+%define ONE xmm5
+%define X0 xmm0
+%define X1 xmm1
+%define N0 xmm2
+%define N1 xmm3
+%define AL xmm4
+%define K eax
+%define LENEND eax
+%define LUT ebx
+%define T0 ecx
+%define T0w cx
+%define T1 edx
+%define BLOCK esi
+%define VALUES edi
+%define KK ebp
+
+%define ZEROBITS INT [esp + 5 * 4]
+%define EOB INT [esp + 5 * 4 + 4]
+%define LEN INT [esp + 5 * 4 + 8]
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_encode_mcu_AC_refine_prepare_sse2)
+
+EXTN(jsimd_encode_mcu_AC_refine_prepare_sse2):
+ 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
+ sub esp, 16
+ push ebx
+ push ecx
+; push edx ; need not be preserved
+ push esi
+ push edi
+ push ebp
+
+ pcmpeqw ONE, ONE
+ psrlw ONE, 15
+ mov BLOCK, INT [eax + 8]
+ mov LUT, INT [eax + 12]
+ mov VALUES, INT [eax + 24]
+ movd AL, INT [eax + 20]
+ mov T0, INT [eax + 28]
+ mov K, INT [eax + 16]
+ mov INT [T0 + 2 * SIZEOF_INT], -1
+ mov INT [T0 + 3 * SIZEOF_INT], -1
+ mov ZEROBITS, T0
+ mov LEN, K
+ pxor ZERO, ZERO
+ and K, -16
+ mov EOB, 0
+ xor KK, KK
+ shr K, 4
+ jz .ELOOPR16
+.BLOOPR16:
+ LOAD16
+ pcmpgtw N0, X0
+ pcmpgtw N1, X1
+ paddw X0, N0
+ paddw X1, N1
+ pxor X0, N0
+ pxor X1, N1
+ psrlw X0, AL
+ psrlw X1, AL
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (8) * 2], X1
+ pcmpeqw X0, ONE
+ pcmpeqw X1, ONE
+ packsswb N0, N1
+ packsswb X0, X1
+ pmovmskb T0, N0 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+ mov T1, ZEROBITS
+ not T0
+ mov word [T1 + 2 * SIZEOF_INT + KK], T0w
+ pmovmskb T1, X0 ; idx = _mm_movemask_epi8(x1);
+ bsr T1, T1 ; idx = 16 - (__builtin_clz(idx)>>1);
+ jz .CONTINUER16 ; if (idx) {
+ lea T1, [T1+KK*8]
+ mov EOB, T1 ; EOB = k + idx;
+.CONTINUER16:
+ add VALUES, 16*2
+ add LUT, 16*SIZEOF_INT
+ add KK, 2
+ dec K
+ jnz .BLOOPR16
+.ELOOPR16:
+ mov LENEND, LEN
+
+ test LENEND, 8
+ jz .TRYR7
+ test LENEND, 7
+ jz .TRYR8
+
+ and LENEND, 7
+ LOAD15
+ pcmpgtw N0, X0
+ pcmpgtw N1, X1
+ paddw X0, N0
+ paddw X1, N1
+ pxor X0, N0
+ pxor X1, N1
+ psrlw X0, AL
+ psrlw X1, AL
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ movdqa XMMWORD [VALUES + (8) * 2], X1
+ pcmpeqw X0, ONE
+ pcmpeqw X1, ONE
+ packsswb N0, N1
+ packsswb X0, X1
+ pmovmskb T0, N0 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+ mov T1, ZEROBITS
+ not T0
+ mov word [T1 + 2 * SIZEOF_INT + KK], T0w
+ pmovmskb T1, X0 ; idx = _mm_movemask_epi8(x1);
+ bsr T1, T1 ; idx = 16 - (__builtin_clz(idx)>>1);
+ jz .CONTINUER15 ; if (idx) {
+ lea T1, [T1+KK*8]
+ mov EOB, T1 ; EOB = k + idx;
+.CONTINUER15:
+ add VALUES, 16*2
+ jmp .PADDINGR
+.TRYR8:
+ LOAD8
+
+ pcmpgtw N0, X0
+ paddw X0, N0
+ pxor X0, N0
+ psrlw X0, AL
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ pcmpeqw X0, ONE
+ packsswb N0, ZERO
+ packsswb X0, ZERO
+ pmovmskb T0, N0 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+ mov T1, ZEROBITS
+ not T0
+ mov word [T1 + 2 * SIZEOF_INT + KK], T0w
+ pmovmskb T1, X0 ; idx = _mm_movemask_epi8(x1);
+ bsr T1, T1 ; idx = 16 - (__builtin_clz(idx)>>1);
+ jz .CONTINUER8 ; if (idx) {
+ lea T1, [T1+KK*8]
+ mov EOB, T1 ; EOB = k + idx;
+.CONTINUER8:
+ add VALUES, 8*2
+ jmp .PADDINGR
+.TRYR7:
+ and LENEND, 7
+ LOAD7
+
+ pcmpgtw N0, X0
+ paddw X0, N0
+ pxor X0, N0
+ psrlw X0, AL
+ movdqa XMMWORD [VALUES + (0) * 2], X0
+ pcmpeqw X0, ONE
+ packsswb N0, ZERO
+ packsswb X0, ZERO
+ pmovmskb T0, N0 ; lsignbits.val16u[k>>4] = _mm_movemask_epi8(neg);
+ mov T1, ZEROBITS
+ not T0
+ mov word [T1 + 2 * SIZEOF_INT + KK], T0w
+ pmovmskb T1, X0 ; idx = _mm_movemask_epi8(x1);
+ bsr T1, T1 ; idx = 16 - (__builtin_clz(idx)>>1);
+ jz .CONTINUER7 ; if (idx) {
+ lea T1, [T1+KK*8]
+ mov EOB, T1 ; EOB = k + idx;
+.CONTINUER7:
+ add VALUES, 8*2
+.PADDINGR:
+ mov K, LEN
+ add K, 7
+ and K, -8
+ shr K, 3
+ sub K, DCTSIZE2/8
+ jz .EPADDINGR
+ align 16
+.ZEROLOOPR:
+ movdqa XMMWORD [VALUES + 0], ZERO
+ add VALUES, 8*2
+ inc K
+ jnz .ZEROLOOPR
+.EPADDINGR:
+ sub VALUES, DCTSIZE2*2
+
+ REDUCE0
+
+ mov eax, EOB
+
+ pop ebp
+ pop edi
+ pop esi
+; pop edx ; need not be preserved
+ pop ecx
+ pop ebx
+ mov esp, ebp ; esp <- aligned ebp
+ pop esp ; esp <- original ebp
+ pop ebp
+ ret
+
+%undef ZERO
+%undef ONE
+%undef X0
+%undef X1
+%undef N0
+%undef N1
+%undef AL
+%undef K
+%undef KK
+%undef EOB
+%undef SIGN
+%undef LUT
+%undef T0
+%undef T1
+%undef BLOCK
+%undef VALUES
+%undef LEN
+%undef LENEND
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+ align 32
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 14:50:06 +0000