From: Eli Zaretskii <eliz@gnu.org>
Date: Sun, 21 Jan 2018 05:01:31 +0000 (+0000)
Subject: simple-object-xcoff.c (simple_object_xcoff_find_sections): Use ulong_type to avoid... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c6bff8ada6297866778c4ee5c49a59bf08a3b64a;p=gcc.git

simple-object-xcoff.c (simple_object_xcoff_find_sections): Use ulong_type to avoid warning about 32-bit shift.

	* simple-object-xcoff.c (simple_object_xcoff_find_sections): Use
	ulong_type to avoid warning about 32-bit shift.

From-SVN: r256925
---

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 2b834372c9a..63558926ef9 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-20  Eli Zaretskii  <eliz@gnu.org>
+
+	* simple-object-xcoff.c (simple_object_xcoff_find_sections): Use
+	ulong_type to avoid warning about 32-bit shift.
+
 2018-01-11  Richard Biener  <rguenther@suse.de>
 	Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
diff --git a/libiberty/simple-object-xcoff.c b/libiberty/simple-object-xcoff.c
index 95887a42ebd..1e3d9e01b04 100644
--- a/libiberty/simple-object-xcoff.c
+++ b/libiberty/simple-object-xcoff.c
@@ -596,15 +596,24 @@ simple_object_xcoff_find_sections (simple_object_read *sobj,
 	      aux = (unsigned char *) auxent;
 	      if (u64)
 		{
+		  /* Use an intermediate 64-bit type to avoid
+		     compilation warning about 32-bit shift below on
+		     hosts with 32-bit off_t which aren't supported by
+		     AC_SYS_LARGEFILE.  */
+		  ulong_type x_scnlen64;
+
 		  if ((auxent->u.xcoff64.x_csect.x_smtyp & 0x7) != XTY_SD
 		      || auxent->u.xcoff64.x_csect.x_smclas != XMC_XO)
 		    continue;
 
-		  x_scnlen = fetch_32 (aux + offsetof (union external_auxent,
-						       u.xcoff64.x_csect.x_scnlen_hi));
-		  x_scnlen = x_scnlen << 32
-			   | fetch_32 (aux + offsetof (union external_auxent,
-						       u.xcoff64.x_csect.x_scnlen_lo));
+		  x_scnlen64 = 
+		    fetch_32 (aux + offsetof (union external_auxent,
+					      u.xcoff64.x_csect.x_scnlen_hi));
+		  x_scnlen = 
+		    ((x_scnlen64 << 32)
+		     | fetch_32 (aux
+				 + offsetof (union external_auxent,
+					     u.xcoff64.x_csect.x_scnlen_lo)));
 		}
 	      else
 		{