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2011-10-20 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 20 Oct 2011 07:57:48 +0000 (07:57 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 20 Oct 2011 07:57:48 +0000 (07:57 +0000)
* tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
and rotates to the set of expensive operations.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180237 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/tree-ssa-loop-im.c

index 1da3491..9ef7e64 100644 (file)
@@ -1,3 +1,8 @@
+2011-10-20  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
+       and rotates to the set of expensive operations.
+
 2011-10-19  David S. Miller  <davem@davemloft.net>
 
        * config/sparc/sparc.c (sparc_expand_move): Use
index cb52791..4bc9ffd 100644 (file)
@@ -549,6 +549,11 @@ stmt_cost (gimple stmt)
   switch (gimple_assign_rhs_code (stmt))
     {
     case MULT_EXPR:
+    case WIDEN_MULT_EXPR:
+    case WIDEN_MULT_PLUS_EXPR:
+    case WIDEN_MULT_MINUS_EXPR:
+    case DOT_PROD_EXPR:
+    case FMA_EXPR:
     case TRUNC_DIV_EXPR:
     case CEIL_DIV_EXPR:
     case FLOOR_DIV_EXPR:
@@ -565,6 +570,9 @@ stmt_cost (gimple stmt)
 
     case LSHIFT_EXPR:
     case RSHIFT_EXPR:
+    case WIDEN_LSHIFT_EXPR:
+    case LROTATE_EXPR:
+    case RROTATE_EXPR:
       cost += 20;
       break;