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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 77e029e..069b61c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,20 @@ +2012-06-19 Tom de Vries <vries@codesourcery.com> + Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/mips/mips.c (mips_emit_pre_atomic_barrier_p,) + (mips_emit_post_atomic_barrier_p): New static functions. + (mips_process_sync_loop): Use them. Emit sync memory barriers in + accordance with memory model semantics. Add return of CMP result for + compare_and_swap. + * config/mips/mips.md: Update comment. + (sync_cmp): New attribute. + (sync_memmodel): New attribute replacing sync_release_barrier. + * config/mips/sync.md (UNSPEC_ATOMIC_COMPARE_AND_SWAP,) + (UNSPEC_ATOMIC_EXCHANGE, UNSPEC_ATOMIC_FETCH_OP): New constants. + (sync_lock_test_and_set, test_and_set_12): Update. + (atomic_compare_and_swap, atomic_exchange, atomic_exchange_llsc,) + (atomic_fetch_add, atomic_fetch_add_llsc): New patterns. + 2012-06-19 Joseph Myers <joseph@codesourcery.com> * config/rs6000/spe.md (*mov_si<mode>_e500_subreg0): Rename to |