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re PR tree-optimization/46351 (incorrect scalarization (2))

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2010-11-10  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46351
	PR tree-optimization/46377
	* tree-sra.c (type_internals_preclude_sra_p): Disqualify types with
	aggregate bit-fields.

	* testsuite/gnat.dg/opt10.adb: New file.
	* testsuite/gnat.dg/opt10_pkg.ads: Likewise.
	* testsuite/gnat.dg/opt11.adb: Likewise.
	* testsuite/gnat.dg/opt11.ads: Likewise.

From-SVN: r166535
This commit is contained in:
Martin Jambor 2010-11-10 13:52:27 +01:00 committed by Martin Jambor
parent 2be55a2540
commit f5a7af7d17
7 changed files with 87 additions and 1 deletions

7
gcc/ChangeLog

@ -1,3 +1,10 @@
2010-11-10 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/46351
PR tree-optimization/46377
* tree-sra.c (type_internals_preclude_sra_p): Disqualify types with
aggregate bit-fields.
2010-11-10 Joseph Myers <joseph@codesourcery.com>
* doc/tm.texi.in (TARGET_OPTION_TRANSLATE_TABLE): Remove.

9
gcc/testsuite/ChangeLog

@ -1,3 +1,12 @@
2010-11-10 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/46351
PR tree-optimization/46377
* gnat.dg/opt10.adb: New file.
* gnat.dg/opt10_pkg.ads: Likewise.
* gnat.dg/opt11.adb: Likewise.
* gnat.dg/opt11.ads: Likewise.
2010-11-10 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/boolean_conv.adb: New test.

26
gcc/testsuite/gnat.dg/opt10.adb Normal file

@ -0,0 +1,26 @@
-- { dg-do compile }
-- { dg-options "-O2 }
with Opt10_Pkg; use Opt10_Pkg;
procedure Opt10 is
procedure Compare_Rep_Data (MA, MB : Rep_Message) is
begin
if MA.Data /= MB.Data then
raise Program_Error;
end if;
end;
procedure Check_Rep_For (Bit : Boolean) is
MA, MB : Rep_Message;
begin
Safe_Assign (MA, Bit);
Safe_Assign (MB, Bit);
Compare_Rep_Data (MA, MB);
end;
begin
Check_Rep_For (Bit => False);
end;

14
gcc/testsuite/gnat.dg/opt10_pkg.ads Normal file

@ -0,0 +1,14 @@
package Opt10_Pkg is
type Rep_Message is record
Bit : Boolean;
Data : String (1 .. 4);
end record;
for Rep_Message use record
Bit at 0 range 0 .. 0;
Data at 0 range 1 .. 32;
end record;
procedure Safe_Assign (M : in out Rep_Message; Bit : Boolean);
end;

12
gcc/testsuite/gnat.dg/opt11.adb Normal file

@ -0,0 +1,12 @@
-- { dg-compile }
-- { dg-options "-O" }
package body Opt11 is
procedure Proc is
R : Rec;
begin
R := (others => <>);
end;
end Opt11;

17
gcc/testsuite/gnat.dg/opt11.ads Normal file

@ -0,0 +1,17 @@
package Opt11 is
type String_Ptr is access constant String;
type Form_Type is (Qualified, Unqualified);
type Rec is record
N1, N2, N3 : Natural;
Fixed : String_Ptr;
Form : Form_Type;
Is_Local : Boolean := True;
end record;
pragma Pack (Rec);
procedure Proc;
end Opt11;

3
gcc/tree-sra.c

@ -653,7 +653,8 @@ type_internals_preclude_sra_p (tree type)
if (TREE_THIS_VOLATILE (fld)
|| !DECL_FIELD_OFFSET (fld) || !DECL_SIZE (fld)
|| !host_integerp (DECL_FIELD_OFFSET (fld), 1)
|| !host_integerp (DECL_SIZE (fld), 1))
|| !host_integerp (DECL_SIZE (fld), 1)
|| (DECL_BIT_FIELD (fld) && AGGREGATE_TYPE_P (ft)))
return true;
if (AGGREGATE_TYPE_P (ft)