From: Steve Ellcey <sje@cup.hp.com>
Date: Wed, 5 Mar 2003 00:12:40 +0000 (+0000)
Subject: * expr.c (convert_modes): Check for legal hard register.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=006c9f4a1aa780a9fe3442685725cea72d30652f;p=gcc.git

* expr.c (convert_modes): Check for legal hard register.

From-SVN: r63813
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7b0adc10b0c..07a7c49ecef 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-04  Steve Ellcey  <sje@cup.hp.com>
+
+	* expr.c (convert_modes): Check for legal hard register.
+
 2003-03-04  Tom Tromey  <tromey@redhat.com>
 
 	* doc/sourcebuild.texi (Front End Directory): Document tags.
diff --git a/gcc/expr.c b/gcc/expr.c
index 39940cb609d..c0119af0f3f 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -1406,6 +1406,8 @@ convert_modes (mode, oldmode, x, unsignedp)
 		  && ((GET_CODE (x) == MEM && ! MEM_VOLATILE_P (x)
 		       && direct_load[(int) mode])
 		      || (GET_CODE (x) == REG
+			  && (! HARD_REGISTER_P (x)
+			      || HARD_REGNO_MODE_OK (REGNO (x), mode))
 			  && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode),
 						    GET_MODE_BITSIZE (GET_MODE (x)))))))))
     {