From: Eric Botcazou <ebotcazou@adacore.com>
Date: Sat, 20 Nov 2010 22:01:48 +0000 (+0000)
Subject: re PR target/31100 (ASM_OUTPUT_ALIGN_WITH_NOP wrong with GNU as)
X-Git-Tag: releases/gcc-4.6.0~2441
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=233db724fac81bccf711c461f74adf9eaaa95a9c;p=thirdparty%2Fgcc.git

re PR target/31100 (ASM_OUTPUT_ALIGN_WITH_NOP wrong with GNU as)

	PR target/31100
	* config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
	* config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
	* config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.

From-SVN: r166986
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3fd3ae1c2a78..6e122603a5d4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/31100
+	* config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
+	* config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
+	* config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
+
 2010-11-20  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.c (ld_plugin_symbol_resolution_names): New.
diff --git a/gcc/config/sparc/sol2-gas.h b/gcc/config/sparc/sol2-gas.h
index d61a9fe09cdf..4bc2cb470aeb 100644
--- a/gcc/config/sparc/sol2-gas.h
+++ b/gcc/config/sparc/sol2-gas.h
@@ -23,6 +23,9 @@ a copy of the GCC Runtime Library Exception along with this program;
 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 <http://www.gnu.org/licenses/>.  */
 
+/* Undefine this as the filler pattern doesn't work with GNU as.  */
+#undef ASM_OUTPUT_ALIGN_WITH_NOP
+
 /* Undefine this so that BNSYM/ENSYM pairs are emitted by STABS+.  */
 #undef NO_DBX_BNSYM_ENSYM
 
diff --git a/gcc/config/sparc/sol2.h b/gcc/config/sparc/sol2.h
index 26c9ac7d396a..11286626ecc7 100644
--- a/gcc/config/sparc/sol2.h
+++ b/gcc/config/sparc/sol2.h
@@ -177,6 +177,13 @@ along with GCC; see the file COPYING3.  If not see
     }								\
   while (0)
 
+/* This is how to output an assembler line that says to advance
+   the location counter to a multiple of 2**LOG bytes using the
+   NOP instruction as padding.  */
+#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG)   \
+  if ((LOG) != 0)                             \
+    fprintf (FILE, "\t.align %d,0x1000000\n", (1<<(LOG)))
+
 /* Use Solaris ELF section syntax.  */
 #undef TARGET_ASM_NAMED_SECTION
 #define TARGET_ASM_NAMED_SECTION sparc_solaris_elf_asm_named_section
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index e064899900c1..ccf5f7343961 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -2013,13 +2013,6 @@ do {									\
   if ((LOG) != 0)			\
     fprintf (FILE, "\t.align %d\n", (1<<(LOG)))
 
-/* This is how to output an assembler line that says to advance
-   the location counter to a multiple of 2**LOG bytes using the
-   "nop" instruction as padding.  */
-#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG)   \
-  if ((LOG) != 0)                             \
-    fprintf (FILE, "\t.align %d,0x1000000\n", (1<<(LOG)))
-
 #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
   fprintf (FILE, "\t.skip "HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fb02c954029e..1d6a14ad0177 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.target/sparc/sparc-align-1.c: New test.
+
 2010-11-20  Nathan Froyd  <froydnj@codesourcery.com>
 
 	PR c++/16189
diff --git a/gcc/testsuite/gcc.target/sparc/sparc-align-1.c b/gcc/testsuite/gcc.target/sparc/sparc-align-1.c
new file mode 100644
index 000000000000..14c915e1e124
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sparc/sparc-align-1.c
@@ -0,0 +1,31 @@
+/* PR target/31100 */
+/* Reported by Erwin Unruh <Erwin.Unruh@fujitsu-siemens.com> */
+
+/* { dg-do run } */
+/* { dg-options "-falign-labels=16" } */
+
+extern void abort(void);
+
+int f(int i)
+{
+  int res;
+
+  switch (i)
+    {
+    case 5:
+      res = i - i;
+      break;
+    default:
+      res = i * 2;
+      break;
+    }
+
+  return res;
+}
+
+int main(void)
+{
+  if (f(2) != 4)
+    abort ();
+  return 0;
+}