http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59216
Bug ID: 59216
Summary: [ARM] negdi*extendsidi regression
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: christophe.lyon at st dot com
Commit 197526 introduced a regression shown by the attached testcase.
When working, it should print 80000000, while it prints ffffffff80000000.
It works when compiling at -O0, and fails at -O2.
Tested on Chromebook.
The reduced testcase is derived from the GNU tar code & testsuite.
