diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2017-12-14 17:03:16 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-12-14 17:03:16 +0000 |
| commit | 9df60a5d915668f6b25fae0b76996e6bfd79e38c (patch) | |
| tree | c9c67232537cb4573931da8efbab3fe4fc445a49 | |
| parent | 636f605cbf67b82baf3726d2e92607cd39004d37 (diff) | |
| download | gcc-9df60a5d915668f6b25fae0b76996e6bfd79e38c.zip gcc-9df60a5d915668f6b25fae0b76996e6bfd79e38c.tar.gz gcc-9df60a5d915668f6b25fae0b76996e6bfd79e38c.tar.bz2 | |
decl.c (gnat_to_gnu_field): Do not set the alignment of the enclosing record type if it is not already set.
* gcc-interface/decl.c (gnat_to_gnu_field): Do not set the alignment
of the enclosing record type if it is not already set.
From-SVN: r255645
| -rw-r--r-- | gcc/ada/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ada/gcc-interface/decl.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gnat.dg/alignment13.adb | 21 |
4 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index 3ac3bfb..c87f4a2 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,5 +1,10 @@ 2017-12-14 Eric Botcazou <ebotcazou@adacore.com> + * gcc-interface/decl.c (gnat_to_gnu_field): Do not set the alignment + of the enclosing record type if it is not already set. + +2017-12-14 Eric Botcazou <ebotcazou@adacore.com> + * gcc-interface/gigi.h (pad_type_has_rm_size): Declare. * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Do not build a padding type for the alignment before validating the size. diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c index f2da070..b014e68 100644 --- a/gcc/ada/gcc-interface/decl.c +++ b/gcc/ada/gcc-interface/decl.c @@ -6890,7 +6890,8 @@ gnat_to_gnu_field (Entity_Id gnat_field, tree gnu_record_type, int packed, { const unsigned int type_align = TYPE_ALIGN (gnu_field_type); - if (TYPE_ALIGN (gnu_record_type) < type_align) + if (TYPE_ALIGN (gnu_record_type) + && TYPE_ALIGN (gnu_record_type) < type_align) SET_TYPE_ALIGN (gnu_record_type, type_align); /* If the position is not a multiple of the alignment of the type, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4fac001..f87fb48 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2017-12-14 Eric Botcazou <ebotcazou@adacore.com> + + * gnat.dg/alignment13.adb: New test. + 2017-12-14 Jakub Jelinek <jakub@redhat.com> PR lto/81406 diff --git a/gcc/testsuite/gnat.dg/alignment13.adb b/gcc/testsuite/gnat.dg/alignment13.adb new file mode 100644 index 0000000..dd0b254 --- /dev/null +++ b/gcc/testsuite/gnat.dg/alignment13.adb @@ -0,0 +1,21 @@ +-- { dg-do run } +-- { dg-options "-gnatws" } + +procedure Alignment13 is + + type Rec is record + I1 : aliased Short_Integer; + I2 : Integer; + end record; + + for Rec use record + I1 at 0 range 0 .. 15; + end record; + + R : Rec; + +begin + if R.I2'Bit_Position /= 32 then + raise Program_Error; + end if; +end; |