re PR tree-optimization/69579 (gcc ICE at -O3 and __sigsetjmp with “tree check: expected ssa_name, have integer_cst in compute_optimized_partition_bases”)
2016-02-01 Richard Biener <rguenther@suse.de> PR tree-optimization/69579 * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling): Do not propagate through abnormal PHI results. * gcc.dg/setjmp-6.c: New testcase. From-SVN: r233036
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2016-02-01 Richard Biener <rguenther@suse.de>
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PR tree-optimization/69579
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* tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
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Do not propagate through abnormal PHI results.
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2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
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2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
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* postreload.c (reload_cse_simplify): Remove dead code.
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* postreload.c (reload_cse_simplify): Remove dead code.
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@ -1,3 +1,8 @@
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2016-02-01 Richard Biener <rguenther@suse.de>
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PR tree-optimization/69579
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* gcc.dg/setjmp-6.c: New testcase.
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2016-02-01 Jakub Jelinek <jakub@redhat.com>
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2016-02-01 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/69570
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PR rtl-optimization/69570
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/* PR69569 */
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/* { dg-do compile } */
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/* { dg-options "-O3" } */
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#include <setjmp.h>
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jmp_buf buf;
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struct str {
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int Count;
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};
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int fun2(struct str *p1)
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{
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int i = 1;
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while (1) {
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setjmp(buf);
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break;
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}
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for (; i;) {
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i = 0;
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for (; i < (p1 ? p1->Count : 1); i++)
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fun2(p1);
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}
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return 1;
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}
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@ -1208,7 +1208,9 @@ propagate_constants_for_unrolling (basic_block bb)
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tree result = gimple_phi_result (phi);
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tree result = gimple_phi_result (phi);
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tree arg = gimple_phi_arg_def (phi, 0);
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tree arg = gimple_phi_arg_def (phi, 0);
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if (gimple_phi_num_args (phi) == 1 && TREE_CODE (arg) == INTEGER_CST)
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if (! SSA_NAME_OCCURS_IN_ABNORMAL_PHI (result)
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&& gimple_phi_num_args (phi) == 1
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&& TREE_CODE (arg) == INTEGER_CST)
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{
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{
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propagate_into_all_uses (result, arg);
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propagate_into_all_uses (result, arg);
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gsi_remove (&gsi, true);
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gsi_remove (&gsi, true);
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