From: Aldy Hernandez <aldyh@redhat.com>
Date: Tue, 22 Aug 2017 08:25:24 +0000 (+0000)
Subject: * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4ea9e1a52406d50c63987098c060a1c54d52b46c;p=gcc.git

* wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.

From-SVN: r251260
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5866bb0d8a8..2e482b040e3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
+
+	* wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
+
 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/81910
diff --git a/gcc/wide-int.h b/gcc/wide-int.h
index 2115b614a9f..0596f984118 100644
--- a/gcc/wide-int.h
+++ b/gcc/wide-int.h
@@ -1517,8 +1517,12 @@ namespace wi
 
 inline wi::hwi_with_prec::hwi_with_prec (HOST_WIDE_INT v, unsigned int p,
 					 signop s)
-  : val (v), precision (p), sgn (s)
+  : precision (p), sgn (s)
 {
+  if (precision < HOST_BITS_PER_WIDE_INT)
+    val = sext_hwi (v, precision);
+  else
+    val = v;
 }
 
 /* Return a signed integer that has value VAL and precision PRECISION.  */