From: Jim Wilson <wilson@gcc.gnu.org>
Date: Sat, 21 Jan 1995 01:23:12 +0000 (-0800)
Subject: (machine_dependent_reorg): When remove SUBREG, add in
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=23ed92ca4c901a654040989a067819c1f0b77860;p=gcc.git

(machine_dependent_reorg): When remove SUBREG, add in
SUBREG_WORD to new register number.

From-SVN: r8778
---

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index ce64a4e50a2..fac1a76e593 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -1961,10 +1961,14 @@ machine_dependent_reorg (first)
 		  if (mode == SImode && hi_const (src))
 		    {
 		      /* This is an HI source, clobber the dest to get the mode right too */
+		      int offset = 0;
 		      mode = HImode;
 		      while (GET_CODE (dst) == SUBREG)
-			dst = SUBREG_REG (dst);
-		      dst = gen_rtx (REG, HImode, REGNO (dst));
+			{
+			  offset += SUBREG_WORD (dst);
+			  dst = SUBREG_REG (dst);
+			}
+		      dst = gen_rtx (REG, HImode, REGNO (dst) + offset);
 		    }
 		  lab = add_constant (src, mode);
 		  newsrc = gen_rtx (MEM, mode,