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[Bug rtl-optimization/83682] [8 Regression] ICE in simplify_subreg, at simplify-rtx.c:6296
- 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: Sat, 06 Jan 2018 07:48:04 +0000
- Subject: [Bug rtl-optimization/83682] [8 Regression] ICE in simplify_subreg, at simplify-rtx.c:6296
- Auto-submitted: auto-generated
- References: <bug-83682-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83682
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Jan 6 07:47:32 2018
New Revision: 256308
URL: https://gcc.gnu.org/viewcvs?rev=256308&root=gcc&view=rev
Log:
PR rtl-optimization/83682
* rtl.h (const_vec_duplicate_p): Only return true for VEC_DUPLICATE
if it has non-VECTOR_MODE element mode.
(vec_duplicate_p): Likewise.
* gcc.target/i386/pr83682.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr83682.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/rtl.h
trunk/gcc/testsuite/ChangeLog