recog.c (asm_labels_ok): New function.

2011-09-06  Tom de Vries  <tom@codesourcery.com>

	* recog.c (asm_labels_ok): New function.
	(check_asm_operands): Use asm_labels_ok.

From-SVN: r178580

1 files changed, 22 insertions, 0 deletions

diff --git a/gcc/recog.c b/gcc/recog.c
index 22a5402f00f..d3ecb73c4e8 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -118,6 +118,25 @@ init_recog (void)
 }
 
 
+/* Return true if labels in asm operands BODY are LABEL_REFs.  */
+
+static bool
+asm_labels_ok (rtx body)
+{
+  rtx asmop;
+  int i;
+
+  asmop = extract_asm_operands (body);
+  if (asmop == NULL_RTX)
+    return true;
+
+  for (i = 0; i < ASM_OPERANDS_LABEL_LENGTH (asmop); i++)
+    if (GET_CODE (ASM_OPERANDS_LABEL (asmop, i)) != LABEL_REF)
+      return false;
+
+  return true;
+}
+
 /* Check that X is an insn-body for an `asm' with operands
    and that the operands mentioned in it are legitimate.  */
 
@@ -129,6 +148,9 @@ check_asm_operands (rtx x)
   const char **constraints;
   int i;
 
+  if (!asm_labels_ok (x))
+    return 0;
+
   /* Post-reload, be more strict with things.  */
   if (reload_completed)
     {