From: Jakub Jelinek [mailto:ja...@redhat.com]
Sent: Tuesday, October 28, 2014 12:27 PM
Thomas, you know the code better, can you from the fix figure out
a testcase that current trunk miscompiles or doesn't optimize
because of this bug?
Here you are (see attachment).
Best regards,
Thomas
Biener
Cc: GCC Patches
Subject: RE: [PATCH] Fix up sign extension in bswap
From: Jakub Jelinek [mailto:ja...@redhat.com]
Sent: Tuesday, October 28, 2014 12:27 PM
Thomas, you know the code better, can you from the fix figure out
a testcase that current trunk miscompiles or doesn't
On Wed, Oct 29, 2014 at 09:36:02AM -, Thomas Preud'homme wrote:
Bummer. Why didn't my MUA warned me on this one?
I think this is ok for trunk with proper ChangeLog entry.
Jakub
From: Jakub Jelinek [mailto:ja...@redhat.com]
Sent: Wednesday, October 29, 2014 9:41 AM
I think this is ok for trunk with proper ChangeLog entry.
Done with following ChangeLog entry:
2014-10-29 Thomas Preud'homme thomas.preudho...@arm.com
* gcc.dg/optimize-bswapsi-1.c
On Tue, 28 Oct 2014, Jakub Jelinek wrote:
On Tue, Oct 21, 2014 at 10:28:40AM +0100, Thomas Preud'homme wrote:
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -1916,7 +1916,8 @@ find_bswap_or_nop_1 (gimple stmt, struct
symbolic_number *n, int limit)
if
