From: Alan Modra <amodra@gmail.com>
Date: Fri, 18 Jun 2010 10:57:21 +0000 (+0930)
Subject: linux64.h (SET_CMODEL): Don't expand to empty.
X-Git-Tag: releases/gcc-4.6.0~6358
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9628d8f6670fcf721ce6c96619820e9fe6f90174;p=thirdparty%2Fgcc.git

linux64.h (SET_CMODEL): Don't expand to empty.

	* config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.

From-SVN: r160978
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 69d49ff0a108..2af7e6ba212a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-06-18  Alan Modra  <amodra@gmail.com>
+
+	* config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.
+
 2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR target/43740
@@ -358,7 +362,7 @@
 	* config.in: Regenerate.
 	* config/rs6000/linux64.opt (mcmodel): New.
 	* config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
-	(TARGET_CMODEL): Define.
+	(TARGET_CMODEL, SET_CMODEL): Define.
 	(SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
 	select CMODEL_MEDIUM default.
 	* config/rs6000/rs6000.h (enum rs6000_cmodel): New.
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index d787d297db58..c4e365174cef 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -70,7 +70,7 @@ extern enum rs6000_cmodel cmodel;
 #define TARGET_CMODEL cmodel
 #define SET_CMODEL(opt) cmodel = opt
 #else
-#define SET_CMODEL(opt)
+#define SET_CMODEL(opt) do {} while (0)
 #endif
 
 #undef  PROCESSOR_DEFAULT