From: Richard Stallman <rms@gnu.org>
Date: Sat, 4 Jul 1992 19:02:06 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d80e9fd70ca8fb31e4138b7bd433ab38fcdb0b1d;p=gcc.git

*** empty log message ***

From-SVN: r1432
---

diff --git a/gcc/cse.c b/gcc/cse.c
index 334d899ef42..e4ed58ccdcd 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -2879,7 +2879,14 @@ simplify_unary_operation (code, mode, op, op_mode)
 	  if (op_mode == VOIDmode)
 	    op_mode = mode;
 	  if (GET_MODE_BITSIZE (op_mode) == HOST_BITS_PER_INT)
-	    val = arg0;
+	    {
+	      /* If we were really extending the mode,
+		 we would have to distinguish between zero-extension
+		 and sign-extension.  */
+	      if (width != GET_MODE_BITSIZE (op_mode))
+		abort ();
+	      val = arg0;
+	    }
 	  else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_INT)
 	    val = arg0 & ~((-1) << GET_MODE_BITSIZE (op_mode));
 	  else
@@ -2890,7 +2897,14 @@ simplify_unary_operation (code, mode, op, op_mode)
 	  if (op_mode == VOIDmode)
 	    op_mode = mode;
 	  if (GET_MODE_BITSIZE (op_mode) == HOST_BITS_PER_INT)
-	    val = arg0;
+	    {
+	      /* If we were really extending the mode,
+		 we would have to distinguish between zero-extension
+		 and sign-extension.  */
+	      if (width != GET_MODE_BITSIZE (op_mode))
+		abort ();
+	      val = arg0;
+	    }
 	  else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_INT)
 	    {
 	      val = arg0 & ~((-1) << GET_MODE_BITSIZE (op_mode));
diff --git a/gcc/reorg.c b/gcc/reorg.c
index 50c97c37403..dfeab51bd2b 100644
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -19,11 +19,6 @@ You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-
-#include "insn-attr.h"
-
-#ifdef DELAY_SLOTS
-
 /* Instruction reorganization pass.
 
    This pass runs after register allocation and final jump
@@ -125,6 +120,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "flags.h"
 #include "output.h"
 #include "obstack.h"
+#include "insn-attr.h"
+
+#ifdef DELAY_SLOTS
 
 #define obstack_chunk_alloc xmalloc
 #define obstack_chunk_free free