From: J"orn Rennecke <amylaar@cygnus.co.uk>
Date: Tue, 16 Feb 1999 16:47:29 +0000 (+0000)
Subject: * loop.c (strength_reduce): Dump biv increment -> giv conversions.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1ccf8937264c876660424c047431c8b353537e90;p=gcc.git

* loop.c (strength_reduce): Dump biv increment -> giv conversions.

From-SVN: r25250
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d7008dfe00d..1b0c8ad45fd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Feb 17 00:43:12 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* loop.c (strength_reduce): Dump biv increment -> giv conversions.
+
 Tue Feb 16 15:31:39 1999  Ovidiu Predescu  <ovidiu@cup.hp.com>
 
 	* objc/objc-act.c (encode_type): Encode the type instead of
diff --git a/gcc/loop.c b/gcc/loop.c
index 3ea975164f0..81ed3e13e4e 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -4260,6 +4260,11 @@ strength_reduce (scan_start, end, loop_top, insn_count,
 		 This will not prevent the biv from being eliminated.  */
 	      if (v->lifetime == 0)
 		v->ignore = 1;
+
+	      if (loop_dump_stream)
+		fprintf (loop_dump_stream,
+			 "Increment %d of biv %d converted to giv %d.\n\n",
+			 INSN_UID (v->insn), old_regno, new_regno);
 	    }
 	}
     }