New function: for_each_rtx_in_insn

gcc/
2014-08-18  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (for_each_rtx_in_insn): New function.
	* rtlanal.c (for_each_rtx_in_insn): Likewise.

From-SVN: r214119

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6454dbad749906e7e14e12402917ba817e82017..931a95f1a5331c2f6e730ea4856977d7a662810b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-08-18  David Malcolm  <dmalcolm@redhat.com>
+
+       * rtl.h (for_each_rtx_in_insn): New function.
+       * rtlanal.c (for_each_rtx_in_insn): Likewise.
+
 2014-08-18  David Malcolm  <dmalcolm@redhat.com>
 
        * coretypes.h (class rtx_insn): Add forward declaration.

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 28f598e03f074a607d3100f5a89bf71f82e21190..3c6e9a35b4fc192a399b8114af83dee49cf2d02d 100644 (file)
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -2399,6 +2399,7 @@ extern bool tls_referenced_p (rtx);
 
 typedef int (*rtx_function) (rtx *, void *);
 extern int for_each_rtx (rtx *, rtx_function, void *);
+extern int for_each_rtx_in_insn (rtx_insn **, rtx_function, void *);
 
 /* Callback for for_each_inc_dec, to process the autoinc operation OP
    within MEM that sets DEST to SRC + SRCOFF, or SRC if SRCOFF is

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 3196e55f17f4e4a77f364793b53999daed6d4279..0e8cb44c8b09f03e7d464dc559a5cc611989e4dc 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -3011,6 +3011,22 @@ for_each_rtx (rtx *x, rtx_function f, void *data)
   return for_each_rtx_1 (*x, i, f, data);
 }
 
+/* Like "for_each_rtx", but for calling on an rtx_insn **.  */
+
+int
+for_each_rtx_in_insn (rtx_insn **insn, rtx_function f, void *data)
+{
+  rtx insn_as_rtx = *insn;
+  int result;
+
+  result = for_each_rtx (&insn_as_rtx, f, data);
+
+  if (insn_as_rtx != *insn)
+    *insn = safe_as_a <rtx_insn *> (insn_as_rtx);
+
+  return result;
+}
+
 \f
 
 /* Data structure that holds the internal state communicated between