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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2014-02-07 14:21:29 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2014-02-07 14:21:29 +0000 |
| commit | f4b83d665915650fb5711732f3edab926425d957 (patch) | |
| tree | 431d7bb0eca8472cfcd9a2954c452d5bb0417f58 | |
| parent | 8bd7070a7a6fc94831aa9a67083ae038410ab19b (diff) | |
| download | gcc-f4b83d665915650fb5711732f3edab926425d957.zip gcc-f4b83d665915650fb5711732f3edab926425d957.tar.gz gcc-f4b83d665915650fb5711732f3edab926425d957.tar.bz2 | |
gcc-have-sync-compare-and-swap.c: Align the 16 byte variable used for atomic operations.
2014-02-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.dg/gcc-have-sync-compare-and-swap.c: Align the 16 byte
variable used for atomic operations.
From-SVN: r207600
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2e12145..e1ccc2d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-02-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * gcc.dg/gcc-have-sync-compare-and-swap.c: Align the 16 byte + variable used for atomic operations. + 2014-02-07 Richard Biener <rguenther@suse.de> PR middle-end/60092 diff --git a/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c b/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c index faed818..5affeba 100644 --- a/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c +++ b/gcc/testsuite/gcc.dg/gcc-have-sync-compare-and-swap.c @@ -40,10 +40,12 @@ void f8() #endif } +/* aligned (16): On S/390 16 byte compare and swap operations are only + available if the memory operand resides on a 16 byte boundary. */ void f16() { #ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 - typedef int __attribute__ ((__mode__ (__TI__))) ti_int_type; + typedef int __attribute__ ((__mode__ (__TI__), aligned (16))) ti_int_type; ti_int_type ti_int; __sync_bool_compare_and_swap (&ti_int, (ti_int_type)0, (ti_int_type)1); #endif |