SIMD-accelerated integer convsamp routine for MIPS DSPr2

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1059 632fc199-4ca6-4c93-a231-07263d6284db

simd/jsimd_mips.c

@@ -453,6 +453,21 @@ jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
 GLOBAL(int)
 jsimd_can_convsamp (void)
 {
+  init_simd();
+
+  /* The code is optimised for these values only */
+  if (DCTSIZE != 8)
+    return 0;
+  if (BITS_IN_JSAMPLE != 8)
+    return 0;
+  if (sizeof(JDIMENSION) != 4)
+    return 0;
+  if (sizeof(DCTELEM) != 2)
+    return 0;
+
+  if (simd_support & JSIMD_MIPS_DSPR2)
+    return 1;
+
   return 0;
 }
 
@@ -483,6 +498,8 @@ GLOBAL(void)
 jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
                 DCTELEM * workspace)
 {
+  if (simd_support & JSIMD_MIPS_DSPR2)
+    jsimd_convsamp_mips_dspr2(sample_data, start_col, workspace);
 }
 
 GLOBAL(void)