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Fix output_andsi3 for 64-bit hosts
- From: Andreas Schwab <schwab at suse dot de>
- To: gcc-patches at gcc dot gnu dot org
- Date: Sun, 25 Jul 2004 00:44:07 +0200
- Subject: Fix output_andsi3 for 64-bit hosts
The expression
(INTVAL (operands[2]) | 0xffff) == (HOST_WIDE_INT)0xffffffff
will never be true if HOST_WIDE_INT has 64 bits since CONST_INT values are
always sign extended.
Andreas.
2004-07-25 Andreas Schwab <schwab@suse.de>
* config/m68k/m68k.c (output_andsi3): Fix last change for 64-bit
hosts.
Index: gcc/config/m68k/m68k.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/m68k/m68k.c,v
retrieving revision 1.136
diff -u -p -a -u -p -a -r1.136 gcc/config/m68k/m68k.c
--- gcc/config/m68k/m68k.c 24 Jul 2004 11:12:29 -0000 1.136
+++ gcc/config/m68k/m68k.c 24 Jul 2004 22:20:19 -0000
@@ -3201,7 +3201,7 @@ output_andsi3 (rtx *operands)
{
int logval;
if (GET_CODE (operands[2]) == CONST_INT
- && (INTVAL (operands[2]) | 0xffff) == (HOST_WIDE_INT)0xffffffff
+ && (INTVAL (operands[2]) | 0xffff) == -1
&& (DATA_REG_P (operands[0])
|| offsettable_memref_p (operands[0]))
&& !TARGET_COLDFIRE)
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
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