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simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to simplify_relational_operation() unless... 

* simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
simplify_relational_operation() unless both operands are of
VOIDmode.
* cse.c (fold_rtx): Likewise.

From-SVN: r35904
This commit is contained in:
Alexandre Oliva 2000-08-23 07:59:06 +00:00 committed by Alexandre Oliva
parent f17eb5d40f
commit 95d0e5f1d0
3 changed files with 25 additions and 3 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
* simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
simplify_relational_operation() unless both operands are of
VOIDmode.
* cse.c (fold_rtx): Likewise.
Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
* rtlanal.c (rtx_unstable_p): The pic register is stable

14
gcc/cse.c
View File

@ -3858,7 +3858,19 @@ fold_rtx (x, insn)
}
}
new = simplify_relational_operation (code, mode_arg0,
new = simplify_relational_operation (code,
(mode_arg0 != VOIDmode
? mode_arg0
: (GET_MODE (const_arg0
? const_arg0
: folded_arg0)
!= VOIDmode)
? GET_MODE (const_arg0
? const_arg0
: folded_arg0)
: GET_MODE (const_arg1
? const_arg1
: folded_arg1)),
const_arg0 ? const_arg0 : folded_arg0,
const_arg1 ? const_arg1 : folded_arg1);
#ifdef FLOAT_STORE_FLAG_VALUE

7
gcc/simplify-rtx.c
View File

@ -1694,7 +1694,7 @@ simplify_relational_operation (code, mode, op0, op1)
if (mode == VOIDmode
&& (GET_MODE (op0) != VOIDmode
|| GET_MODE (op1) != VOIDmode))
abort();
abort ();
/* If op0 is a compare, extract the comparison arguments from it. */
if (GET_CODE (op0) == COMPARE && op1 == const0_rtx)
@ -2091,7 +2091,10 @@ simplify_rtx (x)
XEXP (x, 0), XEXP (x, 1), XEXP (x, 2));
case '<':
return simplify_relational_operation (code, GET_MODE (XEXP (x, 0)),
return simplify_relational_operation (code,
(GET_MODE (XEXP (x, 0)) != VOIDmode
? GET_MODE (XEXP (x, 0))
: GET_MODE (XEXP (x, 1))),
XEXP (x, 0), XEXP (x, 1));
default:
return NULL;