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re PR tree-optimization/51015 (ice in vect_determine_vectorization_factor with -O3)

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PR tree-optimization/51015
        * tree-vect-loop.c (vect_determine_vectorization_factor): Expect
        vectype to be set for pattern def stmts.

From-SVN: r181191
This commit is contained in:
Ira Rosen 2011-11-09 06:41:59 +00:00 committed by Ira Rosen
parent 65c5ced37b
commit 9b858c880b
4 changed files with 35 additions and 3 deletions

6
gcc/ChangeLog

@ -1,3 +1,9 @@
2011-11-09 Ira Rosen <ira.rosen@linaro.org>
PR tree-optimization/51015
* tree-vect-loop.c (vect_determine_vectorization_factor): Expect
vectype to be set for pattern def stmts.
2011-11-09 Alan Modra <amodra@gmail.com>
* function.c (bb_active_p): Delete.

5
gcc/testsuite/ChangeLog

@ -1,3 +1,8 @@
2011-11-09 Ira Rosen <ira.rosen@linaro.org>
PR tree-optimization/51015
* gcc.dg/vect/pr51015.c: New test.
2011-11-08 David S. Miller <davem@davemloft.net>
* lib/target-supports.exp (check_effective_target_sparc_vis): New.

19
gcc/testsuite/gcc.dg/vect/pr51015.c Normal file

@ -0,0 +1,19 @@
/* { dg-do compile } */
typedef unsigned long long __u64;
static __u64 ext2_max_sizes[16 - 10 + 1];
void e2fsck_pass1()
{
int i;
__u64 max_sizes;
for (i = 10; i <= 16; i++) {
max_sizes = 12 + (1ULL << ((i) - 2));
max_sizes = max_sizes + (1ULL << ((i) - 2)) * (1ULL << ((i) - 2));
max_sizes = max_sizes + (1ULL << ((i) - 2)) * (1ULL << ((i) - 2)) * (1ULL <<((i) - 2));
ext2_max_sizes[i - 10] = max_sizes;
}
}
/* { dg-final { cleanup-tree-dump "vect" } } */

8
gcc/tree-vect-loop.c

@ -342,10 +342,12 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
if (STMT_VINFO_VECTYPE (stmt_info))
{
/* The only case when a vectype had been already set is for stmts
that contain a dataref, or for "pattern-stmts" (stmts generated
by the vectorizer to represent/replace a certain idiom). */
that contain a dataref, or for "pattern-stmts" (stmts
generated by the vectorizer to represent/replace a certain
idiom). */
gcc_assert (STMT_VINFO_DATA_REF (stmt_info)
|| is_pattern_stmt_p (stmt_info));
|| is_pattern_stmt_p (stmt_info)
|| pattern_def);
vectype = STMT_VINFO_VECTYPE (stmt_info);
}
else