From: Richard Stallman <rms@gnu.org>
Date: Tue, 20 Oct 1992 10:47:23 +0000 (+0000)
Subject: (store_field): If trying to sign-extend a constant, use value_mode as
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=86a2c12a2b5df3baf3780ea4f7c1ad7099b47933;p=gcc.git

(store_field): If trying to sign-extend a constant, use value_mode as
the mode.

From-SVN: r2525
---

diff --git a/gcc/expr.c b/gcc/expr.c
index 6808c9b90ce..7f062ede82d 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -2705,9 +2705,12 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode,
 	    {
 	      tree count;
 	      enum machine_mode tmode;
+
 	      if (unsignedp)
 		return expand_and (temp, GEN_INT (width_mask), NULL_RTX);
 	      tmode = GET_MODE (temp);
+	      if (tmode == VOIDmode)
+		tmode = value_mode;
 	      count = build_int_2 (GET_MODE_BITSIZE (tmode) - bitsize, 0);
 	      temp = expand_shift (LSHIFT_EXPR, tmode, temp, count, 0, 0);
 	      return expand_shift (RSHIFT_EXPR, tmode, temp, count, 0, 0);