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* stor-layout.c (bit_from_pos): Do not distribute the conversion. 

From-SVN: r253074
This commit is contained in:
Eric Botcazou 2017-09-21 15:45:36 +00:00
parent 65d8c94d37
commit f17aba3c82
5 changed files with 44 additions and 11 deletions
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6
gcc/ChangeLog
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@ -1,8 +1,6 @@
2017-09-21 Tamar Christina <tamar.christina@arm.com>
2017-09-21 Eric Botcazou <ebotcazou@adacore.com>
PR testsuite/78421
* lib/target-supports.exp (check_effective_target_vect_hw_misalign):
Invert arm check.
* stor-layout.c (bit_from_pos): Do not distribute the conversion.
2017-09-21 Segher Boessenkool <segher@kernel.crashing.org>

10
gcc/stor-layout.c
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@ -853,14 +853,10 @@ start_record_layout (tree t)
tree
bit_from_pos (tree offset, tree bitpos)
{
if (TREE_CODE (offset) == PLUS_EXPR)
offset = size_binop (PLUS_EXPR,
fold_convert (bitsizetype, TREE_OPERAND (offset, 0)),
fold_convert (bitsizetype, TREE_OPERAND (offset, 1)));
else
offset = fold_convert (bitsizetype, offset);
return size_binop (PLUS_EXPR, bitpos,
size_binop (MULT_EXPR, offset, bitsize_unit_node));
size_binop (MULT_EXPR,
fold_convert (bitsizetype, offset),
bitsize_unit_node));
}
/* Return the combined truncated byte position for the byte offset OFFSET and

11
gcc/testsuite/ChangeLog
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@ -1,3 +1,14 @@
2017-09-21 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/discr48.adb: New test.
* gnat.dg/discr48_pkg.ads: New helper.
2017-09-21 Tamar Christina <tamar.christina@arm.com>
PR testsuite/78421
* lib/target-supports.exp (check_effective_target_vect_hw_misalign):
Invert arm check.
2017-09-21 Cesar Philippidis <cesar@codesourcery.com>
* gfortran.dg/goacc/wait.f90: New test.

9
gcc/testsuite/gnat.dg/discr48.adb Normal file
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@ -0,0 +1,9 @@
-- { dg-do compile }
with Discr48_Pkg; use Discr48_Pkg;
function Discr48 return Rec_Access is
C : constant Rec := (Count => 1, Seps => (1 .. 0 => Null_XString));
begin
return new Rec'(C);
end;

19
gcc/testsuite/gnat.dg/discr48_pkg.ads Normal file
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@ -0,0 +1,19 @@
with Ada.Finalization;
package Discr48_Pkg is
type XString is new Ada.Finalization.Controlled with record
B : Boolean;
end record;
Null_XString : constant XString := (Ada.Finalization.Controlled with B => False);
type XString_Array is array (Natural range <>) of XString;
type Rec (Count : Positive) is record
Seps : XString_Array (2 .. Count);
end record;
type Rec_Access is access all Rec;
end Discr48_Pkg;