c-common.c (truthvalue_conversion): Protect side effects in the expression when splitting a complex value.

* c-common.c (truthvalue_conversion): Protect side effects in the
	expression when splitting a complex value.
	* fold-const.c (fold): Likewise.

From-SVN: r20580
This commit is contained in:
Andreas Schwab 1998-06-19 01:46:50 +00:00 committed by Andreas Schwab
parent c4137c5039
commit f0b8d9aab4
3 changed files with 23 additions and 10 deletions

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@ -1,3 +1,9 @@
Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* c-common.c (truthvalue_conversion): Protect side effects in the
expression when splitting a complex value.
* fold-const.c (fold): Likewise.
Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
* cccp.c (hack_vms_include_specification): rewrite to handle

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@ -2670,12 +2670,15 @@ truthvalue_conversion (expr)
}
if (TREE_CODE (TREE_TYPE (expr)) == COMPLEX_TYPE)
return (build_binary_op
((TREE_SIDE_EFFECTS (expr)
? TRUTH_OR_EXPR : TRUTH_ORIF_EXPR),
truthvalue_conversion (build_unary_op (REALPART_EXPR, expr, 0)),
truthvalue_conversion (build_unary_op (IMAGPART_EXPR, expr, 0)),
0));
{
tree tem = save_expr (expr);
return (build_binary_op
((TREE_SIDE_EFFECTS (expr)
? TRUTH_OR_EXPR : TRUTH_ORIF_EXPR),
truthvalue_conversion (build_unary_op (REALPART_EXPR, tem, 0)),
truthvalue_conversion (build_unary_op (IMAGPART_EXPR, tem, 0)),
0));
}
return build_binary_op (NE_EXPR, expr, integer_zero_node, 1);
}

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@ -5656,10 +5656,14 @@ fold (expr)
|| TREE_CODE (arg1) == COMPLEX_EXPR))
{
tree subtype = TREE_TYPE (TREE_TYPE (arg0));
tree real0 = fold (build1 (REALPART_EXPR, subtype, arg0));
tree imag0 = fold (build1 (IMAGPART_EXPR, subtype, arg0));
tree real1 = fold (build1 (REALPART_EXPR, subtype, arg1));
tree imag1 = fold (build1 (IMAGPART_EXPR, subtype, arg1));
tree real0, imag0, real1, imag1;
arg0 = save_expr (arg0);
arg1 = save_expr (arg1);
real0 = fold (build1 (REALPART_EXPR, subtype, arg0));
imag0 = fold (build1 (IMAGPART_EXPR, subtype, arg0));
real1 = fold (build1 (REALPART_EXPR, subtype, arg1));
imag1 = fold (build1 (IMAGPART_EXPR, subtype, arg1));
return fold (build ((code == EQ_EXPR ? TRUTH_ANDIF_EXPR
: TRUTH_ORIF_EXPR),