[xiph-commits] r9405 - trunk/speex/libspeex

[jm at motherfish-iii.xiph.org]

Author: jm
Date: 2005-06-08 18:39:48 -0700 (Wed, 08 Jun 2005)
New Revision: 9405

Modified:
   trunk/speex/libspeex/filters_bfin.h
Log:
A few more instructions in parallel


Modified: trunk/speex/libspeex/filters_bfin.h
===================================================================
--- trunk/speex/libspeex/filters_bfin.h	2005-06-08 22:00:35 UTC (rev 9404)
+++ trunk/speex/libspeex/filters_bfin.h	2005-06-09 01:39:48 UTC (rev 9405)
@@ -44,15 +44,15 @@
    "%0 = 0;\n\t"
    "I0 = %1;\n\t"
    "L0 = 0;\n\t"
+   "R1 = [I0++];\n\t"
    "LOOP norm_max%= LC0 = %2;\n\t"
    "LOOP_BEGIN norm_max%=;\n\t"
-      "R1 = [I0++];\n\t"
-      "R1 = ABS R1;\n\t"
-      "%0 = MAX(%0, R1);\n\t"
+      "R2 = ABS R1 || R1 = [I0++];\n\t"
+      "%0 = MAX(%0, R2);\n\t"
    "LOOP_END norm_max%=;\n\t"
    : "=&d" (max_val)
    : "a" (x), "a" (len)
-   : "R1"
+   : "R1", "R2"
    );
 
    sig_shift=0;
@@ -144,14 +144,11 @@
       "I3 = P3;\n\t"
       "P2 += 2;\n\t"
       "P3 += 2;\n\t"
+      "R4.L = W[I0++] || R5.L = W[I2--];\n\t"
       "LOOP filter_start_inner%= LC1;\n\t"
       "LOOP_BEGIN filter_start_inner%=;\n\t"
-         "R4.L = W[I0++];\n\t"
-         "R5.L = W[I2--];\n\t"
-         "A1 += R4.L*R5.L (IS);\n\t"
-         "R4.L = W[I1++];\n\t"
-         "R5.L = W[I3--];\n\t"
-         "A1 -= R4.L*R5.L (IS);\n\t"
+         "A1 += R4.L*R5.L (IS) || R4.L = W[I1++] || R5.L = W[I3--];\n\t"
+         "A1 -= R4.L*R5.L (IS) || R4.L = W[I0++] || R5.L = W[I2--];\n\t"
       "LOOP_END filter_start_inner%=;\n\t"
    
       "R1 = A1;\n\t"