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fold-const.c (fold): Replace "final_type" with "type".

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* fold-const.c (fold): Replace "final_type" with "type".
	Remove variable "final_type".

From-SVN: r79754
This commit is contained in:
Kazu Hirata 2004-03-20 20:29:26 +00:00 committed by Kazu Hirata
parent 8d3784af8c
commit 079f946dad
2 changed files with 19 additions and 15 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
* fold-const.c (fold): Replace "final_type" with "type".
Remove variable "final_type".
2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
* fold-const.c (fold): Constify "type".

29
gcc/fold-const.c
View File

@ -5646,7 +5646,6 @@ fold (tree expr)
{
tree inside_type = TREE_TYPE (TREE_OPERAND (TREE_OPERAND (t, 0), 0));
tree inter_type = TREE_TYPE (TREE_OPERAND (t, 0));
tree final_type = type;
int inside_int = INTEGRAL_TYPE_P (inside_type);
int inside_ptr = POINTER_TYPE_P (inside_type);
int inside_float = FLOAT_TYPE_P (inside_type);
@ -5657,20 +5656,20 @@ fold (tree expr)
int inter_float = FLOAT_TYPE_P (inter_type);
unsigned int inter_prec = TYPE_PRECISION (inter_type);
int inter_unsignedp = TREE_UNSIGNED (inter_type);
int final_int = INTEGRAL_TYPE_P (final_type);
int final_ptr = POINTER_TYPE_P (final_type);
int final_float = FLOAT_TYPE_P (final_type);
unsigned int final_prec = TYPE_PRECISION (final_type);
int final_unsignedp = TREE_UNSIGNED (final_type);
int final_int = INTEGRAL_TYPE_P (type);
int final_ptr = POINTER_TYPE_P (type);
int final_float = FLOAT_TYPE_P (type);
unsigned int final_prec = TYPE_PRECISION (type);
int final_unsignedp = TREE_UNSIGNED (type);
/* In addition to the cases of two conversions in a row
handled below, if we are converting something to its own
type via an object of identical or wider precision, neither
conversion is needed. */
if (TYPE_MAIN_VARIANT (inside_type) == TYPE_MAIN_VARIANT (final_type)
if (TYPE_MAIN_VARIANT (inside_type) == TYPE_MAIN_VARIANT (type)
&& ((inter_int && final_int) || (inter_float && final_float))
&& inter_prec >= final_prec)
return fold (build1 (code, final_type,
return fold (build1 (code, type,
TREE_OPERAND (TREE_OPERAND (t, 0), 0)));
/* Likewise, if the intermediate and final types are either both
@ -5683,10 +5682,10 @@ fold (tree expr)
|| (inter_float && inside_float))
&& inter_prec >= inside_prec
&& (inter_float || inter_unsignedp == inside_unsignedp)
&& ! (final_prec != GET_MODE_BITSIZE (TYPE_MODE (final_type))
&& TYPE_MODE (final_type) == TYPE_MODE (inter_type))
&& ! (final_prec != GET_MODE_BITSIZE (TYPE_MODE (type))
&& TYPE_MODE (type) == TYPE_MODE (inter_type))
&& ! final_ptr)
return fold (build1 (code, final_type,
return fold (build1 (code, type,
TREE_OPERAND (TREE_OPERAND (t, 0), 0)));
/* If we have a sign-extension of a zero-extended value, we can
@ -5694,7 +5693,7 @@ fold (tree expr)
if (inside_int && inter_int && final_int
&& inside_prec < inter_prec && inter_prec < final_prec
&& inside_unsignedp && !inter_unsignedp)
return fold (build1 (code, final_type,
return fold (build1 (code, type,
TREE_OPERAND (TREE_OPERAND (t, 0), 0)));
/* Two conversions in a row are not needed unless:
@ -5716,10 +5715,10 @@ fold (tree expr)
== (final_unsignedp && final_prec > inter_prec))
&& ! (inside_ptr && inter_prec != final_prec)
&& ! (final_ptr && inside_prec != inter_prec)
&& ! (final_prec != GET_MODE_BITSIZE (TYPE_MODE (final_type))
&& TYPE_MODE (final_type) == TYPE_MODE (inter_type))
&& ! (final_prec != GET_MODE_BITSIZE (TYPE_MODE (type))
&& TYPE_MODE (type) == TYPE_MODE (inter_type))
&& ! final_ptr)
return fold (build1 (code, final_type,
return fold (build1 (code, type,
TREE_OPERAND (TREE_OPERAND (t, 0), 0)));
}