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Unified Diff: simd/jsimd_i386.c

Issue 1934113002: Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/ (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 8 months ago
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Index: simd/jsimd_i386.c
diff --git a/simd/jsimd_i386.c b/simd/jsimd_i386.c
index 47829e9959c7677b776235c78a1384ca33f445d1..aef1ad4c36458f85ada71f7dff6ec9790c399b33 100644
--- a/simd/jsimd_i386.c
+++ b/simd/jsimd_i386.c
@@ -2,8 +2,9 @@
* jsimd_i386.c
*
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright 2009-2011, 2013-2014 D. R. Commander
- *
+ * Copyright 2009-2011, 2013-2014, 2016 D. R. Commander
+ * Copyright 2015 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
@@ -30,6 +31,7 @@
#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
static unsigned int simd_support = ~0;
+static unsigned int simd_huffman = 1;
/*
* Check what SIMD accelerations are supported.
@@ -59,9 +61,14 @@ init_simd (void)
env = getenv("JSIMD_FORCESSE2");
if ((env != NULL) && (strcmp(env, "1") == 0))
simd_support &= JSIMD_SSE2;
+ env = getenv("JSIMD_FORCENONE");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_support = 0;
+ env = getenv("JSIMD_NOHUFFENC");
+ if ((env != NULL) && (strcmp(env, "1") == 0))
+ simd_huffman = 0;
}
-#ifndef JPEG_DECODE_ONLY
GLOBAL(int)
jsimd_can_rgb_ycc (void)
{
@@ -83,7 +90,6 @@ jsimd_can_rgb_ycc (void)
return 0;
}
-#endif
GLOBAL(int)
jsimd_can_rgb_gray (void)
@@ -135,7 +141,6 @@ jsimd_can_ycc_rgb565 (void)
return 0;
}
-#ifndef JPEG_DECODE_ONLY
GLOBAL(void)
jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
@@ -144,8 +149,7 @@ jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
void (*mmxfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
- switch(cinfo->in_color_space)
- {
+ switch(cinfo->in_color_space) {
case JCS_EXT_RGB:
sse2fct=jsimd_extrgb_ycc_convert_sse2;
mmxfct=jsimd_extrgb_ycc_convert_mmx;
@@ -182,19 +186,9 @@ jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
- sse2fct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
+ sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
-}
-#endif
-
-GLOBAL(void)
-jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
-{
+ mmxfct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
}
GLOBAL(void)
@@ -205,8 +199,7 @@ jsimd_rgb_gray_convert (j_compress_ptr cinfo,
void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
void (*mmxfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
- switch(cinfo->in_color_space)
- {
+ switch(cinfo->in_color_space) {
case JCS_EXT_RGB:
sse2fct=jsimd_extrgb_gray_convert_sse2;
mmxfct=jsimd_extrgb_gray_convert_mmx;
@@ -243,11 +236,9 @@ jsimd_rgb_gray_convert (j_compress_ptr cinfo,
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_rgb_gray_convert_sse2))
- sse2fct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
+ sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->image_width, input_buf,
- output_buf, output_row, num_rows);
+ mmxfct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
}
GLOBAL(void)
@@ -258,8 +249,7 @@ jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
- switch(cinfo->out_color_space)
- {
+ switch(cinfo->out_color_space) {
case JCS_EXT_RGB:
sse2fct=jsimd_ycc_extrgb_convert_sse2;
mmxfct=jsimd_ycc_extrgb_convert_mmx;
@@ -296,14 +286,18 @@ jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
- sse2fct(cinfo->output_width, input_buf,
- input_row, output_buf, num_rows);
+ sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- input_row, output_buf, num_rows);
+ mmxfct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
+}
+
+GLOBAL(void)
+jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
}
-#ifndef JPEG_DECODE_ONLY
GLOBAL(int)
jsimd_can_h2v2_downsample (void)
{
@@ -343,33 +337,34 @@ jsimd_can_h2v1_downsample (void)
}
GLOBAL(void)
-jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
+jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
if (simd_support & JSIMD_SSE2)
jsimd_h2v2_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
+ compptr->v_samp_factor,
+ compptr->width_in_blocks, input_data,
+ output_data);
else if (simd_support & JSIMD_MMX)
jsimd_h2v2_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
+ compptr->v_samp_factor, compptr->width_in_blocks,
+ input_data, output_data);
}
GLOBAL(void)
-jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
+jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
if (simd_support & JSIMD_SSE2)
jsimd_h2v1_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
+ compptr->v_samp_factor,
+ compptr->width_in_blocks, input_data,
+ output_data);
else if (simd_support & JSIMD_MMX)
jsimd_h2v1_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor,
- compptr->v_samp_factor, compptr->width_in_blocks,
- input_data, output_data);
+ compptr->v_samp_factor, compptr->width_in_blocks,
+ input_data, output_data);
}
-#endif
GLOBAL(int)
jsimd_can_h2v2_upsample (void)
@@ -411,30 +406,30 @@ jsimd_can_h2v1_upsample (void)
GLOBAL(void)
jsimd_h2v2_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
+ jpeg_component_info *compptr,
JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
+ JSAMPARRAY *output_data_ptr)
{
if (simd_support & JSIMD_SSE2)
- jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
+ jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor, cinfo->output_width,
+ input_data, output_data_ptr);
else if (simd_support & JSIMD_MMX)
- jsimd_h2v2_upsample_mmx(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
+ jsimd_h2v2_upsample_mmx(cinfo->max_v_samp_factor, cinfo->output_width,
+ input_data, output_data_ptr);
}
GLOBAL(void)
jsimd_h2v1_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
+ jpeg_component_info *compptr,
JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
+ JSAMPARRAY *output_data_ptr)
{
if (simd_support & JSIMD_SSE2)
- jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
+ jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor, cinfo->output_width,
+ input_data, output_data_ptr);
else if (simd_support & JSIMD_MMX)
- jsimd_h2v1_upsample_mmx(cinfo->max_v_samp_factor,
- cinfo->output_width, input_data, output_data_ptr);
+ jsimd_h2v1_upsample_mmx(cinfo->max_v_samp_factor, cinfo->output_width,
+ input_data, output_data_ptr);
}
GLOBAL(int)
@@ -479,32 +474,36 @@ jsimd_can_h2v1_fancy_upsample (void)
GLOBAL(void)
jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
+ jpeg_component_info *compptr,
JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
+ JSAMPARRAY *output_data_ptr)
{
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
jsimd_h2v2_fancy_upsample_sse2(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
+ compptr->downsampled_width, input_data,
+ output_data_ptr);
else if (simd_support & JSIMD_MMX)
jsimd_h2v2_fancy_upsample_mmx(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
+ compptr->downsampled_width, input_data,
+ output_data_ptr);
}
GLOBAL(void)
jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo,
- jpeg_component_info * compptr,
+ jpeg_component_info *compptr,
JSAMPARRAY input_data,
- JSAMPARRAY * output_data_ptr)
+ JSAMPARRAY *output_data_ptr)
{
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
+ compptr->downsampled_width, input_data,
+ output_data_ptr);
else if (simd_support & JSIMD_MMX)
jsimd_h2v1_fancy_upsample_mmx(cinfo->max_v_samp_factor,
- compptr->downsampled_width, input_data, output_data_ptr);
+ compptr->downsampled_width, input_data,
+ output_data_ptr);
}
GLOBAL(int)
@@ -556,8 +555,7 @@ jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- switch(cinfo->out_color_space)
- {
+ switch(cinfo->out_color_space) {
case JCS_EXT_RGB:
sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extrgb_merged_upsample_mmx;
@@ -594,11 +592,9 @@ jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- sse2fct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
+ sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
+ mmxfct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
}
GLOBAL(void)
@@ -610,8 +606,7 @@ jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
- switch(cinfo->out_color_space)
- {
+ switch(cinfo->out_color_space) {
case JCS_EXT_RGB:
sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extrgb_merged_upsample_mmx;
@@ -648,14 +643,11 @@ jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
- sse2fct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
+ sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
else if (simd_support & JSIMD_MMX)
- mmxfct(cinfo->output_width, input_buf,
- in_row_group_ctr, output_buf);
+ mmxfct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
}
-#ifndef JPEG_DECODE_ONLY
GLOBAL(int)
jsimd_can_convsamp (void)
{
@@ -706,7 +698,7 @@ jsimd_can_convsamp_float (void)
GLOBAL(void)
jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
- DCTELEM * workspace)
+ DCTELEM *workspace)
{
if (simd_support & JSIMD_SSE2)
jsimd_convsamp_sse2(sample_data, start_col, workspace);
@@ -716,7 +708,7 @@ jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
GLOBAL(void)
jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col,
- FAST_FLOAT * workspace)
+ FAST_FLOAT *workspace)
{
if (simd_support & JSIMD_SSE2)
jsimd_convsamp_float_sse2(sample_data, start_col, workspace);
@@ -784,7 +776,7 @@ jsimd_can_fdct_float (void)
}
GLOBAL(void)
-jsimd_fdct_islow (DCTELEM * data)
+jsimd_fdct_islow (DCTELEM *data)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
jsimd_fdct_islow_sse2(data);
@@ -793,7 +785,7 @@ jsimd_fdct_islow (DCTELEM * data)
}
GLOBAL(void)
-jsimd_fdct_ifast (DCTELEM * data)
+jsimd_fdct_ifast (DCTELEM *data)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
jsimd_fdct_ifast_sse2(data);
@@ -802,7 +794,7 @@ jsimd_fdct_ifast (DCTELEM * data)
}
GLOBAL(void)
-jsimd_fdct_float (FAST_FLOAT * data)
+jsimd_fdct_float (FAST_FLOAT *data)
{
if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse))
jsimd_fdct_float_sse(data);
@@ -855,8 +847,8 @@ jsimd_can_quantize_float (void)
}
GLOBAL(void)
-jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
- DCTELEM * workspace)
+jsimd_quantize (JCOEFPTR coef_block, DCTELEM *divisors,
+ DCTELEM *workspace)
{
if (simd_support & JSIMD_SSE2)
jsimd_quantize_sse2(coef_block, divisors, workspace);
@@ -865,8 +857,8 @@ jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
}
GLOBAL(void)
-jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
- FAST_FLOAT * workspace)
+jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT *divisors,
+ FAST_FLOAT *workspace)
{
if (simd_support & JSIMD_SSE2)
jsimd_quantize_float_sse2(coef_block, divisors, workspace);
@@ -875,7 +867,6 @@ jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
else if (simd_support & JSIMD_3DNOW)
jsimd_quantize_float_3dnow(coef_block, divisors, workspace);
}
-#endif
GLOBAL(int)
jsimd_can_idct_2x2 (void)
@@ -928,23 +919,25 @@ jsimd_can_idct_4x4 (void)
}
GLOBAL(void)
-jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info *compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if (simd_support & JSIMD_MMX)
jsimd_idct_2x2_mmx(compptr->dct_table, coef_block, output_buf, output_col);
}
GLOBAL(void)
-jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
+jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info *compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2))
- jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if (simd_support & JSIMD_MMX)
jsimd_idct_4x4_mmx(compptr->dct_table, coef_block, output_buf, output_col);
}
@@ -1030,39 +1023,69 @@ jsimd_can_idct_float (void)
}
GLOBAL(void)
-jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
+jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2))
- jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if (simd_support & JSIMD_MMX)
- jsimd_idct_islow_mmx(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_islow_mmx(compptr->dct_table, coef_block, output_buf,
+ output_col);
}
GLOBAL(void)
-jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
+jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
- jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if (simd_support & JSIMD_MMX)
- jsimd_idct_ifast_mmx(compptr->dct_table, coef_block, output_buf, output_col);
+ jsimd_idct_ifast_mmx(compptr->dct_table, coef_block, output_buf,
+ output_col);
}
GLOBAL(void)
-jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block, JSAMPARRAY output_buf,
- JDIMENSION output_col)
+jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info *compptr,
+ JCOEFPTR coef_block, JSAMPARRAY output_buf,
+ JDIMENSION output_col)
{
if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2))
- jsimd_idct_float_sse2(compptr->dct_table, coef_block,
- output_buf, output_col);
+ jsimd_idct_float_sse2(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse))
- jsimd_idct_float_sse(compptr->dct_table, coef_block,
- output_buf, output_col);
+ jsimd_idct_float_sse(compptr->dct_table, coef_block, output_buf,
+ output_col);
else if (simd_support & JSIMD_3DNOW)
- jsimd_idct_float_3dnow(compptr->dct_table, coef_block,
- output_buf, output_col);
+ jsimd_idct_float_3dnow(compptr->dct_table, coef_block, output_buf,
+ output_col);
+}
+
+GLOBAL(int)
+jsimd_can_huff_encode_one_block (void)
+{
+ init_simd();
+
+ if (DCTSIZE != 8)
+ return 0;
+ if (sizeof(JCOEF) != 2)
+ return 0;
+
+ if ((simd_support & JSIMD_SSE2) && simd_huffman &&
+ IS_ALIGNED_SSE(jconst_huff_encode_one_block))
+ return 1;
+
+ return 0;
+}
+
+GLOBAL(JOCTET*)
+jsimd_huff_encode_one_block (void *state, JOCTET *buffer, JCOEFPTR block,
+ int last_dc_val, c_derived_tbl *dctbl,
+ c_derived_tbl *actbl)
+{
+ return jsimd_huff_encode_one_block_sse2(state, buffer, block, last_dc_val,
+ dctbl, actbl);
}
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