[Bug middle-end/85414] [8 Regression] ICE: in ix86_expand_prologue, at config/i386/i386.c:13810 with -Og -fgcse
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Apr 17 09:17:00 GMT 2018
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85414
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Apr 17 09:16:48 2018
New Revision: 259433
URL: https://gcc.gnu.org/viewcvs?rev=259433&root=gcc&view=rev
Log:
PR middle-end/85414
* rtlhooks.c (gen_lowpart_if_possible): Don't call gen_lowpart_SUBREG
on a SUBREG.
* gcc.dg/pr85414.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr85414.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/rtlhooks.c
trunk/gcc/testsuite/ChangeLog
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