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authorJakub Jelinek <jakub@gcc.gnu.org>2017-11-01 22:52:21 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2017-11-01 22:52:21 +0100
commitefc04f78d8a0efb66d9f767ce26aa7d01d19cb0c (patch)
tree8e09ee941e9cc82242b067bfc23517090dff25aa /gcc/tree-complex.c
parentfe1447a1d7ed8945404176fc0941a380682e5f11 (diff)
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re PR rtl-optimization/82778 (crash: insn does not satisfy its constraints)
PR rtl-optimization/82778 PR rtl-optimization/82597 * compare-elim.c (struct comparison): Add in_a_setter field. (find_comparison_dom_walker::before_dom_children): Remove killed bitmap and df_simulate_find_defs call, instead walk the defs. Compute last_setter and initialize in_a_setter. Merge definitions with first initialization for a few variables. (try_validate_parallel): Use insn_invalid_p instead of recog_memoized. Return insn rather than just the pattern. (try_merge_compare): Fix up comment. Don't uselessly test if in_a is a REG_P. Use cmp->in_a_setter instead of walking UD chains. (execute_compare_elim_after_reload): Remove df_chain_add_problem call. * g++.dg/opt/pr82778.C: New test. 2017-11-01 Michael Collison <michael.collison@arm.com> PR rtl-optimization/82597 * gcc.dg/pr82597.c: New test. From-SVN: r254328
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