[PATCH] Fix PR68248
Richard Biener
rguenther@suse.de
Mon Nov 9 14:43:00 GMT 2015
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2015-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/68248
* tree-vect-generic.c (expand_vector_operations_1): Handle
scalar rhs2.
* gcc.dg/torture/pr68248.c: New testcase.
Index: gcc/tree-vect-generic.c
===================================================================
*** gcc/tree-vect-generic.c (revision 230003)
--- gcc/tree-vect-generic.c (working copy)
*************** expand_vector_operations_1 (gimple_stmt_
*** 1527,1532 ****
--- 1528,1535 ----
tree srhs1, srhs2 = NULL_TREE;
if ((srhs1 = ssa_uniform_vector_p (rhs1)) != NULL_TREE
&& (rhs2 == NULL_TREE
+ || (! VECTOR_TYPE_P (TREE_TYPE (rhs2))
+ && (srhs2 = rhs2))
|| (srhs2 = ssa_uniform_vector_p (rhs2)) != NULL_TREE)
/* As we query direct optabs restrict to non-convert operations. */
&& TYPE_MODE (TREE_TYPE (type)) == TYPE_MODE (TREE_TYPE (srhs1)))
Index: gcc/testsuite/gcc.dg/torture/pr68248.c
===================================================================
*** gcc/testsuite/gcc.dg/torture/pr68248.c (revision 0)
--- gcc/testsuite/gcc.dg/torture/pr68248.c (working copy)
***************
*** 0 ****
--- 1,20 ----
+ /* { dg-do compile } */
+
+ int a, b, c, d;
+
+ int
+ fn1 (int p1)
+ {
+ return a > 0 ? p1 : p1 >> a;
+ }
+
+ void
+ fn2 ()
+ {
+ char e;
+ for (; c; c++)
+ {
+ e = fn1 (!d ^ 2);
+ b ^= e;
+ }
+ }
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