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[Bug rtl-optimization/83985] [8 Regression] Compile time hog for 32-bit BE powerpc targets
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 26 Jan 2018 12:25:26 +0000
- Subject: [Bug rtl-optimization/83985] [8 Regression] Compile time hog for 32-bit BE powerpc targets
- Auto-submitted: auto-generated
- References: <bug-83985-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83985
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jan 26 12:24:53 2018
New Revision: 257088
URL: https://gcc.gnu.org/viewcvs?rev=257088&root=gcc&view=rev
Log:
PR rtl-optimization/83985
* dce.c (deletable_insn_p): Return false for separate shrink wrapping
REG_CFA_RESTORE insns.
(delete_unmarked_insns): Don't ignore separate shrink wrapping
REG_CFA_RESTORE insns here.
* gcc.dg/pr83985.c: New test.
Added:
branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr83985.c
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/dce.c
branches/gcc-7-branch/gcc/testsuite/ChangeLog