resource.c (mark_referenced_resources): Look inside UNSPEC_VOLATILEs and ASM_INPUTs.

gcc/
	* resource.c (mark_referenced_resources): Look inside
	UNSPEC_VOLATILEs and ASM_INPUTs.

From-SVN: r137375

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 06314eaed0093e032513763fc5e86f8bdc4e8411..fce6036e027893fdbf9773e60f8159bfe43928c3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * resource.c (mark_referenced_resources): Look inside
+       UNSPEC_VOLATILEs and ASM_INPUTs.
+
 2008-07-02  Ian Lance Taylor  <iant@google.com>
 
        * rtlanal.c (add_reg_note): New function.

diff --git a/gcc/resource.c b/gcc/resource.c
index 05308491f61fe10e71ab733e3b3858dde3a707d8..009fb6e609b601446a59eb4a718eff8f7cc5cc7f 100644 (file)
--- a/gcc/resource.c
+++ b/gcc/resource.c
@@ -266,12 +266,9 @@ mark_referenced_resources (rtx x, struct resources *res,
       return;
 
     case UNSPEC_VOLATILE:
+    case TRAP_IF:
     case ASM_INPUT:
       /* Traditional asm's are always volatile.  */
-      res->volatil = 1;
-      return;
-
-    case TRAP_IF:
       res->volatil = 1;
       break;