From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 24 Oct 1995 19:30:02 +0000 (-0400)
Subject: (expand_call): Make sure valreg is at least a full word.
X-Git-Tag: misc/cutover-egcs-0~3488
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e934eef9760b4326c907b295216360eb06da0de5;p=thirdparty%2Fgcc.git

(expand_call): Make sure valreg is at least a full word.

From-SVN: r10509
---

diff --git a/gcc/calls.c b/gcc/calls.c
index 4abd2c0e6ed2..536f9282bc3c 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -2058,6 +2058,13 @@ expand_call (exp, target, ignore)
 	  preserve_temp_slots (target);
 	}
 
+      /* This code assumes valreg is at least a full word.  If it isn't,
+	 copy it into a new pseudo which is a full word.  */
+      if (GET_MODE (valreg) != BLKmode
+	  && GET_MODE_SIZE (GET_MODE (valreg)) < UNITS_PER_WORD)
+	valreg = convert_to_mode (SImode, valreg,
+				  TREE_UNSIGNED (TREE_TYPE (exp)));
+
       /* Structures whose size is not a multiple of a word are aligned
 	 to the least significant byte (to the right).  On a BYTES_BIG_ENDIAN
 	 machine, this means we must skip the empty high order bytes when