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fold-const.c (fold_binary_op_with_conditional_arg): use fold_buildN instead of "fold (buildN" in some non obvious places.

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2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_binary_op_with_conditional_arg):
        use fold_buildN instead of "fold (buildN" in some
        non obvious places.
        (fold_unary): Likewise.
        (fold_binary): Likewise.

From-SVN: r97980
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Andrew Pinski 2005-04-11 19:00:46 +00:00 committed by Andrew Pinski
parent e5e656a499
commit 6405f32f73
2 changed files with 26 additions and 15 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* fold-const.c (fold_binary_op_with_conditional_arg):
use fold_buildN instead of "fold (buildN" in some
non obvious places.
(fold_unary): Likewise.
(fold_binary): Likewise.
2005-04-11 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/20612

33
gcc/fold-const.c
View File

@ -5519,14 +5519,18 @@ fold_binary_op_with_conditional_arg (enum tree_code code,
if (lhs == 0)
{
true_value = fold_convert (cond_type, true_value);
lhs = fold (cond_first_p ? build2 (code, type, true_value, arg)
: build2 (code, type, arg, true_value));
if (cond_first_p)
lhs = fold_build2 (code, type, true_value, arg);
else
lhs = fold_build2 (code, type, arg, true_value);
}
if (rhs == 0)
{
false_value = fold_convert (cond_type, false_value);
rhs = fold (cond_first_p ? build2 (code, type, false_value, arg)
: build2 (code, type, arg, false_value));
if (cond_first_p)
rhs = fold_build2 (code, type, false_value, arg);
else
rhs = fold_build2 (code, type, arg, false_value);
}
test = fold_build3 (COND_EXPR, type, test, lhs, rhs);
@ -6856,9 +6860,9 @@ fold_unary (enum tree_code code, tree type, tree op0)
{
/* Don't leave an assignment inside a conversion
unless assigning a bitfield. */
tem = build1 (code, type, TREE_OPERAND (op0, 1));
tem = fold_build1 (code, type, TREE_OPERAND (op0, 1));
/* First do the assignment, then return converted constant. */
tem = build2 (COMPOUND_EXPR, TREE_TYPE (tem), op0, fold (tem));
tem = build2 (COMPOUND_EXPR, TREE_TYPE (tem), op0, tem);
TREE_NO_WARNING (tem) = 1;
TREE_USED (tem) = 1;
return tem;
@ -7949,10 +7953,10 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
if (fcode0 == fcode1 && BUILTIN_EXPONENT_P (fcode0))
{
tree expfn = TREE_OPERAND (TREE_OPERAND (arg0, 0), 0);
tree arg = build2 (PLUS_EXPR, type,
TREE_VALUE (TREE_OPERAND (arg0, 1)),
TREE_VALUE (TREE_OPERAND (arg1, 1)));
tree arglist = build_tree_list (NULL_TREE, fold (arg));
tree arg = fold_build2 (PLUS_EXPR, type,
TREE_VALUE (TREE_OPERAND (arg0, 1)),
TREE_VALUE (TREE_OPERAND (arg1, 1)));
tree arglist = build_tree_list (NULL_TREE, arg);
return build_function_call_expr (expfn, arglist);
}
@ -7972,8 +7976,8 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
if (operand_equal_p (arg01, arg11, 0))
{
tree powfn = TREE_OPERAND (TREE_OPERAND (arg0, 0), 0);
tree arg = build2 (MULT_EXPR, type, arg00, arg10);
tree arglist = tree_cons (NULL_TREE, fold (arg),
tree arg = fold_build2 (MULT_EXPR, type, arg00, arg10);
tree arglist = tree_cons (NULL_TREE, arg,
build_tree_list (NULL_TREE,
arg01));
return build_function_call_expr (powfn, arglist);
@ -9543,11 +9547,10 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
return omit_one_operand (type, integer_one_node, arg0);
}
tem = build2 (code, type, cval1, cval2);
if (save_p)
return save_expr (tem);
return save_expr (build2 (code, type, cval1, cval2));
else
return fold (tem);
return fold_build2 (code, type, cval1, cval2);
}
}
}