* sparc.c: Use __asm__ instead of asm for gcc.

gcc doesn't provide asm keyword if -ansi option is given.
  http://gcc.gnu.org/onlinedocs/gcc/Alternate-Keywords.html


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Apr 27 19:04:55 2013  Tanaka Akira  <akr@fsij.org>
+
+	* sparc.c: Use __asm__ instead of asm for gcc.
+	  gcc doesn't provide asm keyword if -ansi option is given.
+	  http://gcc.gnu.org/onlinedocs/gcc/Alternate-Keywords.html
+
 Sat Apr 27 17:22:50 2013  Tanaka Akira  <akr@fsij.org>
 
 	* ext/socket/extconf.rb: Redundant test removed.

sparc.c

@@ -12,7 +12,16 @@
 void
 rb_sparc_flush_register_windows(void)
 {
-    asm
+/*
+ * gcc doesn't provide "asm" keyword if -ansi and the various -std options
+ * are given.
+ * http://gcc.gnu.org/onlinedocs/gcc/Alternate-Keywords.html
+ */
+#ifndef __GNUC__
+#define __asm__ asm
+#endif
+
+    __asm__
 #ifdef __GNUC__
     __volatile__
 #endif