From: Bernd Schmidt <bernds@redhat.com>
Date: Fri, 7 Oct 2016 12:16:55 +0000 (+0000)
Subject: re PR tree-optimization/77880 (out of memory building recent LLVM on ppc64le with... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1edfde32a81006b564eb290a5989f473ab2d9af9;p=gcc.git

re PR tree-optimization/77880 (out of memory building recent LLVM on ppc64le with -O3)

	PR tree-optimization/77880
	* expr.c (by_pieces_ninsns): Use unsigned HOST_WIDE_INT where
	necessary.

From-SVN: r240862
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ece1252c5ca..e4f5198a029 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-10-07  Bernd Schmidt  <bschmidt@redhat.com>
+
+	PR tree-optimization/77880
+	* expr.c (by_pieces_ninsns): Use unsigned HOST_WIDE_INT where
+	necessary.
+
 2016-10-07  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/77803
diff --git a/gcc/expr.c b/gcc/expr.c
index d15e98bdfe8..2256ac9309a 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -785,7 +785,7 @@ by_pieces_ninsns (unsigned HOST_WIDE_INT l, unsigned int align,
 	    case COMPARE_BY_PIECES:
 	      int batch = targetm.compare_by_pieces_branch_ratio (mode);
 	      int batch_ops = 4 * batch - 1;
-	      int full = n_pieces / batch;
+	      unsigned HOST_WIDE_INT full = n_pieces / batch;
 	      n_insns += full * batch_ops;
 	      if (n_pieces % batch != 0)
 		n_insns++;