diff mbox

Fix aarch64 PGO bootstrap (bootstrap/78985)

Message ID 21509b9c-6f0b-a966-e40e-4dd68974d382@suse.cz
State New
Headers show

Commit Message

Martin Liška Jan. 30, 2017, 9:47 a.m. UTC 
Hi.

Following patch simply fixes issues reported by -Wmaybe-unitialized. That enables PGO bootstrap
on ThunderX aarch64 machine.

Ready to be installed?
Martin

Comments

James Greenhalgh Jan. 30, 2017, 2:27 p.m. UTC | #1 
On Mon, Jan 30, 2017 at 10:47:12AM +0100, Martin Liška wrote:
> Hi.
> 
> Following patch simply fixes issues reported by -Wmaybe-unitialized. That enables PGO bootstrap
> on ThunderX aarch64 machine.
> 
> Ready to be installed?

OK.

Thanks,
James
diff mbox

Patch

From 6188df717836ee79f4d7951dca5066ef10b577a1 Mon Sep 17 00:00:00 2001
From: marxin <mliska@suse.cz>
Date: Mon, 30 Jan 2017 10:44:07 +0100
Subject: [PATCH] Fix aarch64 PGO bootstrap (bootstrap/78985)

gcc/ChangeLog:

2017-01-30  Martin Liska  <mliska@suse.cz>

	PR bootstrap/78985
	* config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
	Initialize variables with NULL value.
---
 gcc/config/aarch64/cortex-a57-fma-steering.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/config/aarch64/cortex-a57-fma-steering.c b/gcc/config/aarch64/cortex-a57-fma-steering.c
index a5acd71d784..4a3887984b4 100644
--- a/gcc/config/aarch64/cortex-a57-fma-steering.c
+++ b/gcc/config/aarch64/cortex-a57-fma-steering.c
@@ -923,10 +923,10 @@  func_fma_steering::analyze ()
       FOR_BB_INSNS (bb, insn)
 	{
 	  operand_rr_info *dest_op_info;
-	  struct du_chain *chain;
+	  struct du_chain *chain = NULL;
 	  unsigned dest_regno;
-	  fma_forest *forest;
-	  du_head_p head;
+	  fma_forest *forest = NULL;
+	  du_head_p head = NULL;
 	  int i;
 
 	  if (!is_fmul_fmac_insn (insn, true))
-- 
2.11.0