[Bug target/90547] [8/9/10 Regression] ICE in gen_lowpart_general, at rtlhooks.c:63
uros at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed May 22 18:49:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90547
--- Comment #3 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed May 22 18:49:22 2019
New Revision: 271516
URL: https://gcc.gnu.org/viewcvs?rev=271516&root=gcc&view=rev
Log:
Backported from mainline
2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
* config/i386/cpuid.h (__cpuid): For 32bit targets, zero
%ebx and %ecx bafore calling cpuid with leaf 1 or
non-constant leaf argument.
2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
PR target/90547
* config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
Avoid calling gen_lowpart with CONST operand.
testsuite/ChangeLog:
Backported from mainline
2019-05-21 Uroš Bizjak <ubizjak@gmail.com>
PR target/90547
* gcc.target/i386/pr90547.c: New test.
Added:
branches/gcc-9-branch/gcc/testsuite/gcc.target/i386/pr90547.c
Modified:
branches/gcc-9-branch/gcc/ChangeLog
branches/gcc-9-branch/gcc/config/i386/cpuid.h
branches/gcc-9-branch/gcc/config/i386/i386.md
branches/gcc-9-branch/gcc/testsuite/ChangeLog
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