On 01/30/2017 06:32 AM, Martin Liška wrote:
On 01/30/2017 12:27 PM, Martin Liška wrote:
Hi.
Following patch simply fixes issues reported by -Wmaybe-unitialized. That
enables PGO bootstrap
on a s390x machine.
Ready to be installed?
Martin
There's second version that adds one more hunk for s390 target.
Martin
0001-Fix-PGO-bootstrap-on-x390x-PR-bootstrap-78985-v2.patch
From 598d0a59b91070211b09056195bc0f971bc57ae1 Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Mon, 30 Jan 2017 11:09:29 +0100
Subject: [PATCH] Fix PGO bootstrap on x390x (PR bootstrap/78985).
gcc/ChangeLog:
2017-01-30 Martin Liska <mli...@suse.cz>
PR bootstrap/78985
* config/s390/s390.c (s390_gimplify_va_arg): Initialize local
variable to NULL.
(print_operand_address): Initialize a struct to zero.
Presumably the issue with print_operand_address is that there are paths
where s390_decompose_address can return without initializing AD/OUT.
But AFAICT those are invalid addresses that presumably shouldn't be
showing up in print_operand_address.
Can you add an assert in print_operand_address to ensure decomposition
never returns false?
OK with that addition.
jeff
