http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57344
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.8.1, 4.9.0
Summary|[4.7/4.8/4.9 Regression] |[4.7 Regression] wrong code
|wrong code with pragma |with pragma pack(1) and -O1
|pack(1) and -O1 on x86 |on x86
Known to fail|4.9.0 |
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu May 23 09:17:34 2013
New Revision: 199238
URL: http://gcc.gnu.org/viewcvs?rev=199238&root=gcc&view=rev
Log:
PR middle-end/57344
* expmed.c (store_split_bit_field): If op0 is a REG or
SUBREG of a REG, don't lower unit. Handle unit not being
always BITS_PER_WORD.
* gcc.c-torture/execute/pr57344-1.c: New test.
* gcc.c-torture/execute/pr57344-2.c: New test.
* gcc.c-torture/execute/pr57344-3.c: New test.
* gcc.c-torture/execute/pr57344-4.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr57344-1.c
trunk/gcc/testsuite/gcc.c-torture/execute/pr57344-2.c
trunk/gcc/testsuite/gcc.c-torture/execute/pr57344-3.c
trunk/gcc/testsuite/gcc.c-torture/execute/pr57344-4.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/expmed.c
trunk/gcc/testsuite/ChangeLog
Author: jakub
Date: Thu May 23 09:18:57 2013
New Revision: 199239
URL: http://gcc.gnu.org/viewcvs?rev=199239&root=gcc&view=rev
Log:
PR middle-end/57344
* expmed.c (store_split_bit_field): If op0 is a REG or
SUBREG of a REG, don't lower unit. Handle unit not being
always BITS_PER_WORD.
* gcc.c-torture/execute/pr57344-1.c: New test.
* gcc.c-torture/execute/pr57344-2.c: New test.
* gcc.c-torture/execute/pr57344-3.c: New test.
* gcc.c-torture/execute/pr57344-4.c: New test.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr57344-1.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr57344-2.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr57344-3.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr57344-4.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/expmed.c
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
Fixed for 4.8/4.9+ so far.
