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[Bug target/69613] [6 Regression] wrong code with -O and simple 128bit arithmetics and vectors @ aarch64
- From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 26 Feb 2016 16:00:19 +0000
- Subject: [Bug target/69613] [6 Regression] wrong code with -O and simple 128bit arithmetics and vectors @ aarch64
- Auto-submitted: auto-generated
- References: <bug-69613-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69613
--- Comment #6 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Fri Feb 26 15:59:45 2016
New Revision: 233744
URL: https://gcc.gnu.org/viewcvs?rev=233744&root=gcc&view=rev
Log:
[AArch64] PR target/69613: Return zero TARGET_SHIFT_TRUNCATION_MASK when
SHIFT_COUNT_TRUNCATED is false
PR target/69613
* config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
Return 0 if !SHIFT_COUNT_TRUNCATED.
* gcc.dg/torture/pr69613.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr69613.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/aarch64/aarch64.c
trunk/gcc/testsuite/ChangeLog