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[Bug target/85945] [6/7 Regression] ICE in resolve_subreg_use, at lower-subreg.c:751
- 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: Mon, 25 Jun 2018 17:53:00 +0000
- Subject: [Bug target/85945] [6/7 Regression] ICE in resolve_subreg_use, at lower-subreg.c:751
- Auto-submitted: auto-generated
- References: <bug-85945-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85945
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jun 25 17:52:28 2018
New Revision: 262099
URL: https://gcc.gnu.org/viewcvs?rev=262099&root=gcc&view=rev
Log:
Backported from mainline
2018-06-14 Jakub Jelinek <jakub@redhat.com>
PR target/85945
* lower-subreg.c (find_decomposable_subregs): Don't decompose float
subregs of multi-word pseudos unless the float mode has word size.
* gcc.c-torture/compile/pr85945.c: New test.
Added:
branches/gcc-6-branch/gcc/testsuite/gcc.c-torture/compile/pr85945.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/lower-subreg.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog