From: Aldy Hernandez <aldyh@gcc.gnu.org>
Date: Mon, 24 Jan 2005 12:37:40 +0000 (+0000)
Subject: * regrename.c (note_sets): Handle subregs.
X-Git-Tag: releases/gcc-3.4.4~274
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb9fda54dddb1fcdefe38ed37f2d1eb3b1441e33;p=thirdparty%2Fgcc.git

* regrename.c (note_sets): Handle subregs.

From-SVN: r94159
---

diff --git a/gcc/regrename.c b/gcc/regrename.c
index e725ee932daf..8c326c030ecd 100644
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -101,8 +101,12 @@ note_sets (rtx x, rtx set ATTRIBUTE_UNUSED, void *data)
   HARD_REG_SET *pset = (HARD_REG_SET *) data;
   unsigned int regno;
   int nregs;
+
+  if (GET_CODE (x) == SUBREG)
+    x = SUBREG_REG (x);
   if (GET_CODE (x) != REG)
     return;
+
   regno = REGNO (x);
   nregs = HARD_REGNO_NREGS (regno, GET_MODE (x));