target/10073: [3.2/3.3 regression]: powerpc cannot split insn while building rscheme

[Alan Modra]

The following reply was made to PR target/10073; it has been noted by GNATS.

From: Alan Modra <amodra@bigpond.net.au>
To: rmurray@debian.org
Cc: gcc-gnats@gcc.gnu.org, 184684@bugs.debian.org
Subject: Re: target/10073: [3.2/3.3 regression]: powerpc cannot split insn while building rscheme
Date: Fri, 14 Mar 2003 22:54:32 +1030

 This should fix it.
 
 	* combine.c (force_to_mode <NOT>): Use gen_int_mode.
 
 Index: gcc/combine.c
 ===================================================================
 RCS file: /cvs/gcc/gcc/gcc/combine.c,v
 retrieving revision 1.347
 diff -u -p -r1.347 combine.c
 --- gcc/combine.c	8 Mar 2003 01:38:25 -0000	1.347
 +++ gcc/combine.c	14 Mar 2003 12:18:35 -0000
 @@ -7358,7 +7358,8 @@ force_to_mode (x, mode, mask, reg, just_
  	      < GET_MODE_BITSIZE (GET_MODE (x)))
  	  && INTVAL (XEXP (XEXP (x, 0), 1)) < HOST_BITS_PER_WIDE_INT)
  	{
 -	  temp = GEN_INT (mask << INTVAL (XEXP (XEXP (x, 0), 1)));
 +	  temp = gen_int_mode (mask << INTVAL (XEXP (XEXP (x, 0), 1)),
 +			       GET_MODE (x));
  	  temp = gen_binary (XOR, GET_MODE (x), XEXP (XEXP (x, 0), 0), temp);
  	  x = gen_binary (LSHIFTRT, GET_MODE (x), temp, XEXP (XEXP (x, 0), 1));
  
 -- 
 Alan Modra
 IBM OzLabs - Linux Technology Centre