https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70405
Bug ID: 70405
Summary: -fcompare-debug failure with -mavx512f
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Target: x86_64-pc-linux-gnu, i686-pc-linux-gnu
Created attachment 38087
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38087&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mavx512f -fcompare-debug testcase.c
x86_64-pc-linux-gnu-gcc: error: testcase.c: -fcompare-debug failure (length)
The generated assembly differs significantly.
Tested revisions:
trunk r234391 - FAIL
5-branch r234412 - OK
