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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214119 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6454db..931a95f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 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.
 
        * rtl.h: Include is-a.h.

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 28f598e..3c6e9a3 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 3196e55..0e8cb44 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