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re PR tree-optimization/81578 (ICE in omp_reduction_init_op) 

PR tree-optimization/81578
	* tree-parloops.c (build_new_reduction): Bail out if
	reduction_code isn't one of the standard OpenMP reductions.
	Move the details printing after that decision.

	* gcc.dg/pr81578.c: New test.

From-SVN: r250651
This commit is contained in:
Jakub Jelinek 2017-07-28 09:11:51 +02:00 committed by Jakub Jelinek
parent 1ce75e4156
commit d0ee55a1f7
4 changed files with 50 additions and 10 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2017-07-28 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/81578
* tree-parloops.c (build_new_reduction): Bail out if
reduction_code isn't one of the standard OpenMP reductions.
Move the details printing after that decision.
2017-07-27 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/predicates.md (volatile_mem_operand): Remove code

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-07-28 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/81578
* gcc.dg/pr81578.c: New test.
2017-07-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/81573

12
gcc/testsuite/gcc.dg/pr81578.c Normal file
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@ -0,0 +1,12 @@
/* PR tree-optimization/81578 */
/* { dg-do compile { target pthread } } */
/* { dg-options "-O2 -ftree-parallelize-loops=2" } */
int
foo (int *x)
{
int i, r = 1;
for (i = 0; i != 1024; i++)
r *= x[i] < 0;
return r;
}

36
gcc/tree-parloops.c
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@ -2475,6 +2475,32 @@ build_new_reduction (reduction_info_table_type *reduction_list,
gcc_assert (reduc_stmt);
if (gimple_code (reduc_stmt) == GIMPLE_PHI)
{
tree op1 = PHI_ARG_DEF (reduc_stmt, 0);
gimple *def1 = SSA_NAME_DEF_STMT (op1);
reduction_code = gimple_assign_rhs_code (def1);
}
else
reduction_code = gimple_assign_rhs_code (reduc_stmt);
/* Check for OpenMP supported reduction. */
switch (reduction_code)
{
case PLUS_EXPR:
case MULT_EXPR:
case MAX_EXPR:
case MIN_EXPR:
case BIT_IOR_EXPR:
case BIT_XOR_EXPR:
case BIT_AND_EXPR:
case TRUTH_OR_EXPR:
case TRUTH_XOR_EXPR:
case TRUTH_AND_EXPR:
break;
default:
return;
}
if (dump_file && (dump_flags & TDF_DETAILS))
{
fprintf (dump_file,
@ -2483,16 +2509,6 @@ build_new_reduction (reduction_info_table_type *reduction_list,
fprintf (dump_file, "\n");
}
if (gimple_code (reduc_stmt) == GIMPLE_PHI)
{
tree op1 = PHI_ARG_DEF (reduc_stmt, 0);
gimple *def1 = SSA_NAME_DEF_STMT (op1);
reduction_code = gimple_assign_rhs_code (def1);
}
else
reduction_code = gimple_assign_rhs_code (reduc_stmt);
new_reduction = XCNEW (struct reduction_info);
new_reduction->reduc_stmt = reduc_stmt;