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re PR tree-optimization/71006 (ICE: verify_gimple failed (error: type mismatch in conditional expression) w/ -O1 -ftree-loop-vectorize) 

gcc/

	PR tree-optimization/71006
	* tree-vect-loop.c (vect_determine_vectorization_factor): Don't
	consider COND_EXPR as a mask producer.

gcc/testsuite/

	PR tree-optimization/71006
	* gcc.dg/pr71006.c: New test.

From-SVN: r236171
This commit is contained in:
Ilya Enkovich 2016-05-12 11:27:49 +00:00 committed by Ilya Enkovich
parent a5fbf76d42
commit c4ec12434d
4 changed files with 30 additions and 1 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
PR tree-optimization/71006
* tree-vect-loop.c (vect_determine_vectorization_factor): Don't
consider COND_EXPR as a mask producer.
2016-05-12 Marek Polacek <polacek@redhat.com>
PR driver/71063

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2016-05-12 Ilya Enkovich <ilya.enkovich@intel.com>
PR tree-optimization/71006
* gcc.dg/pr71006.c: New test.
2016-05-12 Marek Polacek <polacek@redhat.com>
PR driver/71063

16
gcc/testsuite/gcc.dg/pr71006.c Normal file
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@ -0,0 +1,16 @@
/* PR target/71006 */
/* { dg-do compile } */
/* { dg-options "-O1 -ftree-vectorize" } */
unsigned char uu, gu, e2;
void
fs (void)
{
char *nq = (char *)&gu, *k4 = (char *)&gu;
while (*k4 < 1)
{
uu += (*nq != 0 || e2 != 0);
++*k4;
}
}

4
gcc/tree-vect-loop.c
View File

@ -437,7 +437,9 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
/* Bool ops don't participate in vectorization factor
computation. For comparison use compared types to
compute a factor. */
if (TREE_CODE (scalar_type) == BOOLEAN_TYPE)
if (TREE_CODE (scalar_type) == BOOLEAN_TYPE
&& is_gimple_assign (stmt)
&& gimple_assign_rhs_code (stmt) != COND_EXPR)
{
if (STMT_VINFO_RELEVANT_P (stmt_info))
mask_producers.safe_push (stmt_info);