OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR tree-optimization/68327 (ICE on valid code at -O3 on x86_64-linux-gnu in vect_is_simple_use, at tree-vect-stmts.c:8562) 

gcc/

	PR tree-optimization/68327
	* tree-vect-loop.c (vect_determine_vectorization_factor): Don't
	compute vectype for non-relevant mask producers.
	* gcc/tree-vect-stmts.c (vectorizable_comparison): Check stmt
	relevance earlier.

gcc/testsuite/

	PR tree-optimization/68327
	* gcc.dg/pr68327.c: New test.


Co-Authored-By: Richard Biener <rguenther@suse.de>

From-SVN: r230743
This commit is contained in:
Ilya Enkovich 2015-11-23 10:01:51 +00:00 committed by Ilya Enkovich
parent 1cabb20439
commit c245362b97
5 changed files with 34 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2015-11-23 Ilya Enkovich <enkovich.gnu@gmail.com>
Richard Biener <rguenther@suse.de>
PR tree-optimization/68327
* tree-vect-loop.c (vect_determine_vectorization_factor): Don't
compute vectype for non-relevant mask producers.
* gcc/tree-vect-stmts.c (vectorizable_comparison): Check stmt
relevance earlier.
2015-11-23 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/68460

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2015-11-23 Ilya Enkovich <enkovich.gnu@gmail.com>
PR tree-optimization/68327
* gcc.dg/pr68327.c: New test.
2015-11-23 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/68460

15
gcc/testsuite/gcc.dg/pr68327.c Normal file
View File

@ -0,0 +1,15 @@
/* { dg-do compile } */
/* { dg-options "-O3" } */
int a, d;
char b, c;
void
fn1 ()
{
int i = 0;
for (; i < 1; i++)
d = 1;
for (; b; b++)
a = 1 && (d & b);
}

3
gcc/tree-vect-loop.c
View File

@ -439,7 +439,8 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
compute a factor. */
if (TREE_CODE (scalar_type) == BOOLEAN_TYPE)
{
mask_producers.safe_push (stmt_info);
if (STMT_VINFO_RELEVANT_P (stmt_info))
mask_producers.safe_push (stmt_info);
bool_result = true;
if (gimple_code (stmt) == GIMPLE_ASSIGN

6
gcc/tree-vect-stmts.c
View File

@ -7590,6 +7590,9 @@ vectorizable_comparison (gimple *stmt, gimple_stmt_iterator *gsi,
tree mask_type;
tree mask;
if (!STMT_VINFO_RELEVANT_P (stmt_info) && !bb_vinfo)
return false;
if (!VECTOR_BOOLEAN_TYPE_P (vectype))
return false;
@ -7602,9 +7605,6 @@ vectorizable_comparison (gimple *stmt, gimple_stmt_iterator *gsi,
ncopies = LOOP_VINFO_VECT_FACTOR (loop_vinfo) / nunits;
gcc_assert (ncopies >= 1);
if (!STMT_VINFO_RELEVANT_P (stmt_info) && !bb_vinfo)
return false;
if (STMT_VINFO_DEF_TYPE (stmt_info) != vect_internal_def
&& !(STMT_VINFO_DEF_TYPE (stmt_info) == vect_nested_cycle
&& reduc_def))