re PR target/16925 (ICE when building a m68hc11 cross-compiler on 64-bit architectures)

	PR target/16925
	* config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
	64-bit constants on 64-bit hosts.
	(m68hc11_split_logical): Simplify.
	(m68hc11_split_move): Likewise.

From-SVN: r99385

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index db1ecc8f7322c489b60253f2d5ab4f130e21724c..8c8c3f2d3fb46e69fb4023cb987376ce4f9b9b84 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
+
+       PR target/16925
+       * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
+       64-bit constants on 64-bit hosts.
+       (m68hc11_split_logical): Simplify.
+       (m68hc11_split_move): Likewise.
+
 2005-05-06  Bruce Korb  <bkorb@gnu.org>
        Joseph S. Myers <joseph@codesourcery.com>
 

diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c
index ce057a387b318ba7b698c273f211ecb5aee2665e..8f054622c03e029045e054ab51bf87e5ac95a5f1 100644 (file)
--- a/gcc/config/m68hc11/m68hc11.c
+++ b/gcc/config/m68hc11/m68hc11.c
@@ -1,5 +1,5 @@
 /* Subroutines for code generation on Motorola 68HC11 and 68HC12.
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    Contributed by Stephane Carrez (stcarrez@nerim.fr)
 
@@ -2044,6 +2044,10 @@ m68hc11_gen_highpart (enum machine_mode mode, rtx x)
        {
          return gen_int_mode (val >> 16, HImode);
        }
+      else if (mode == SImode)
+       {
+         return gen_int_mode (val >> 32, SImode);
+       }
     }
   if (mode == QImode && D_REG_P (x))
     return gen_rtx (REG, mode, HARD_A_REGNUM);
@@ -2926,15 +2930,7 @@ m68hc11_split_move (rtx to, rtx from, rtx scratch)
   high_to = m68hc11_gen_highpart (mode, to);
 
   low_from = m68hc11_gen_lowpart (mode, from);
-  if (mode == SImode && GET_CODE (from) == CONST_INT)
-    {
-      if (INTVAL (from) >= 0)
-       high_from = const0_rtx;
-      else
-       high_from = constm1_rtx;
-    }
-  else
-    high_from = m68hc11_gen_highpart (mode, from);
+  high_from = m68hc11_gen_highpart (mode, from);
 
   if (offset)
     {
@@ -3117,26 +3113,8 @@ m68hc11_split_logical (enum machine_mode mode, int code, rtx *operands)
   low[2] = m68hc11_gen_lowpart (mode, operands[2]);
 
   high[0] = m68hc11_gen_highpart (mode, operands[0]);
-
-  if (mode == SImode && GET_CODE (operands[1]) == CONST_INT)
-    {
-      if (INTVAL (operands[1]) >= 0)
-       high[1] = const0_rtx;
-      else
-       high[1] = constm1_rtx;
-    }
-  else
-    high[1] = m68hc11_gen_highpart (mode, operands[1]);
-
-  if (mode == SImode && GET_CODE (operands[2]) == CONST_INT)
-    {
-      if (INTVAL (operands[2]) >= 0)
-       high[2] = const0_rtx;
-      else
-       high[2] = constm1_rtx;
-    }
-  else
-    high[2] = m68hc11_gen_highpart (mode, operands[2]);
+  high[1] = m68hc11_gen_highpart (mode, operands[1]);
+  high[2] = m68hc11_gen_highpart (mode, operands[2]);
 
   low[3] = operands[3];
   high[3] = operands[3];