Define ASM_OUTPUT_MAX_SKIP_ALIGN if the assembler supports .p2align.

From-SVN: r41591

gcc/ChangeLog

+2001-04-26  Nick Clifton  <nickc@cambridge.redhat.com>
+
+	* config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
+	assembler supports .p2align.
+
 2001-04-26  Nathan Sidwell <nathan@codesourcery.com>
 
 	* c-lex.c (c_lex): Remove # from %o diagnostic formatting.

gcc/config/arm/arm.h

@@ -2704,6 +2704,21 @@ extern int making_const_table;
     }								\
   while (0)
 
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* To support -falign-* switches we need to use .p2align so
+   that alignment directives in code sections will be padded
+   with no-op instructions, rather than zeroes.  */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)		\
+  if ((LOG) != 0)						\
+    {								\
+      if ((MAX_SKIP) == 0)					\
+        fprintf ((FILE), "\t.p2align %d\n", (LOG));		\
+      else							\
+        fprintf ((FILE), "\t.p2align %d,,%d\n",			\
+                 (LOG), (MAX_SKIP));				\
+    }
+#endif
+
 /* Target characters.  */
 #define TARGET_BELL	007
 #define TARGET_BS	010