From: Martin Liska <mliska@suse.cz>
Date: Thu, 9 Nov 2017 12:19:02 +0000 (+0100)
Subject: Initialize split_branch_probability (PR target/82863).
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=af36439968794e53382c6733c9f42adcf1c03dad;p=gcc.git

Initialize split_branch_probability (PR target/82863).

2017-11-09  Martin Liska  <mliska@suse.cz>

	PR target/82863
	* emit-rtl.c (init_emit_regs): Initialize split_branch_probability to
	uninitialized.
2017-11-09  Martin Liska  <mliska@suse.cz>

	PR target/82863
	* gcc.dg/pr82863.c: New test.

From-SVN: r254574
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3cb3b9eafcd..e98d7bba856 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-11-09  Martin Liska  <mliska@suse.cz>
+
+	PR target/82863
+	* emit-rtl.c (init_emit_regs): Initialize split_branch_probability to
+	uninitialized.
+
 2017-11-09  Martin Liska  <mliska@suse.cz>
 
 	PR tree-optimization/82669
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index cfe0fcec8e2..da4f53315a6 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -5952,6 +5952,8 @@ init_emit_regs (void)
 	}
       mode_mem_attrs[i] = attrs;
     }
+
+  split_branch_probability = profile_probability::uninitialized ();
 }
 
 /* Initialize global machine_mode variables.  */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 78116ef442f..b2852caa449 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-09  Martin Liska  <mliska@suse.cz>
+
+	PR target/82863
+	* gcc.dg/pr82863.c: New test.
+
 2017-11-09  Hristian Kirtchev  <kirtchev@adacore.com>
 
 	* gnat.dg/unreferenced.adb: New testcase.
diff --git a/gcc/testsuite/gcc.dg/pr82863.c b/gcc/testsuite/gcc.dg/pr82863.c
new file mode 100644
index 00000000000..b4028169a96
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr82863.c
@@ -0,0 +1,12 @@
+/* PR c/82167 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef long long a;
+a b;
+float
+c ()
+{
+  float d = b > 0;
+  return d;
+}