From: Jeffrey A Law <law@cygnus.com>
Date: Sun, 29 Mar 1998 11:47:52 +0000 (+0000)
Subject: * local-alloc.c (reg_classes_overlap_p): Delete dead function.
X-Git-Tag: prereleases/egcs-1.1-prerelease~1898
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c80150b791b9c387d3624f6767f299d86d65df84;p=thirdparty%2Fgcc.git

* local-alloc.c (reg_classes_overlap_p): Delete dead function.

From-SVN: r18891
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e113a7139941..54e39f48a8ae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 Sun Mar 29 12:45:23 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* local-alloc.c (reg_classes_overlap_p): Delete dead function.
+
 	* tree.h (lang_print_xnode): Provide prototype.
 
 Sat Mar 28 23:50:44 PST 1998 Jeff Law  (law@cygnus.com)
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c
index cff332f5267d..a465bb7ffa3b 100644
--- a/gcc/local-alloc.c
+++ b/gcc/local-alloc.c
@@ -257,8 +257,6 @@ static int qty_compare    	PROTO((int, int));
 static int qty_compare_1	PROTO((const GENERIC_PTR, const GENERIC_PTR));
 static int combine_regs		PROTO((rtx, rtx, int, int, rtx, int));
 static int reg_meets_class_p	PROTO((int, enum reg_class));
-static int reg_classes_overlap_p PROTO((enum reg_class, enum reg_class,
-					int));
 static void update_qty_class	PROTO((int, int));
 static void reg_is_set		PROTO((rtx, rtx));
 static void reg_is_born		PROTO((rtx, int));
@@ -1747,29 +1745,6 @@ reg_meets_class_p (reg, class)
 	  || reg_class_subset_p (class, rclass));
 }
 
-/* Return 1 if the two specified classes have registers in common.
-   If CALL_SAVED, then consider only call-saved registers.  */
-
-static int
-reg_classes_overlap_p (c1, c2, call_saved)
-     register enum reg_class c1;
-     register enum reg_class c2;
-     int call_saved;
-{
-  HARD_REG_SET c;
-  int i;
-
-  COPY_HARD_REG_SET (c, reg_class_contents[(int) c1]);
-  AND_HARD_REG_SET (c, reg_class_contents[(int) c2]);
-
-  for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
-    if (TEST_HARD_REG_BIT (c, i)
-	&& (! call_saved || ! call_used_regs[i]))
-      return 1;
-
-  return 0;
-}
-
 /* Update the class of QTY assuming that REG is being tied to it.  */
 
 static void