Define ASM_OUTPUT_MAX_SKIP_ALIGN if the assembler supports .p2align.

From-SVN: r41591

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9f8532837b9f2140c3a90e91097bee11ca541885..6b62da11a13ea2e4ebff5e60a50ac5335955e3e8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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.

diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 438719385fe01cfe98488c8bb8b567a34a5ab687..a4c1b70cbc434efea1640a5a8cb1f0020e01305d 100644 (file)
--- a/gcc/config/arm/arm.h
+++ b/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