SIMD-accelerated fast integer forward DCT routine for MIPS DSPr2

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1055 632fc199-4ca6-4c93-a231-07263d6284db

simd/jsimd_mips.c

@@ -488,6 +488,17 @@ jsimd_can_fdct_islow (void)
 GLOBAL(int)
 jsimd_can_fdct_ifast (void)
 {
+  init_simd();
+
+  /* The code is optimised for these values only */
+  if (DCTSIZE != 8)
+    return 0;
+  if (sizeof(DCTELEM) != 2)
+    return 0;
+
+  if (simd_support & JSIMD_MIPS_DSPR2)
+    return 1;
+
   return 0;
 }
 
@@ -507,6 +518,8 @@ jsimd_fdct_islow (DCTELEM * data)
 GLOBAL(void)
 jsimd_fdct_ifast (DCTELEM * data)
 {
+  if (simd_support & JSIMD_MIPS_DSPR2)
+    jsimd_fdct_ifast_mips_dspr2(data);
 }
 
 GLOBAL(void)