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re PR middle-end/35823 (verify_gimple fails on taking 'Size of a String subprogram parameter)

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2008-04-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35823
	* fold-const.c (optimize_minmax_comparison): Use the correct
	type for the constant in the simplified comparison.

	* gnat.dg/pr35823.adb: New testcase.

From-SVN: r133893
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Richard Guenther 2008-04-04 11:29:11 +00:00 committed by Richard Biener
parent c53a18d377
commit c071e8bcc2
4 changed files with 19 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-04-04 Richard Guenther <rguenther@suse.de>
PR middle-end/35823
* fold-const.c (optimize_minmax_comparison): Use the correct
type for the constant in the simplified comparison.
2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
* config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.

3
gcc/fold-const.c
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@ -5547,7 +5547,7 @@ optimize_minmax_comparison (enum tree_code code, tree type, tree op0, tree op1)
{
tree arg0 = op0;
enum tree_code op_code;
tree comp_const = op1;
tree comp_const;
tree minmax_const;
int consts_equal, consts_lt;
tree inner;
@ -5556,6 +5556,7 @@ optimize_minmax_comparison (enum tree_code code, tree type, tree op0, tree op1)
op_code = TREE_CODE (arg0);
minmax_const = TREE_OPERAND (arg0, 1);
comp_const = fold_convert (TREE_TYPE (arg0), op1);
consts_equal = tree_int_cst_equal (minmax_const, comp_const);
consts_lt = tree_int_cst_lt (minmax_const, comp_const);
inner = TREE_OPERAND (arg0, 0);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-04-04 Richard Guenther <rguenther@suse.de>
PR middle-end/35823
* gnat.dg/pr35823.adb: New testcase.
2008-04-03 Janis Johnson <janis187@us.ibm.com>
PR c/35712

6
gcc/testsuite/gnat.dg/pr35823.adb Normal file
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@ -0,0 +1,6 @@
procedure pr35823 (Arg : in String) is
Size : constant Natural := Arg'Size;
begin
null;
end pr35823;