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[Bug rtl-optimization/84989] [8 Regression] _mm512_broadcast_f32x4 triggers ICE in simplify_const_unary_operation, at simplify-rtx.c:1731
- 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: Wed, 21 Mar 2018 10:14:01 +0000
- Subject: [Bug rtl-optimization/84989] [8 Regression] _mm512_broadcast_f32x4 triggers ICE in simplify_const_unary_operation, at simplify-rtx.c:1731
- Auto-submitted: auto-generated
- References: <bug-84989-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84989
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 21 10:13:29 2018
New Revision: 258709
URL: https://gcc.gnu.org/viewcvs?rev=258709&root=gcc&view=rev
Log:
PR rtl-optimization/84989
* simplify-rtx.c (simplify_unary_operation_1): Don't try to simplify
VEC_DUPLICATE with scalar result mode.
* gcc.target/i386/pr84989.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr84989.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/simplify-rtx.c
trunk/gcc/testsuite/ChangeLog