diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2018-06-26 09:19:12 -0700 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2018-07-03 09:56:52 +1000 |
| commit | 4a9b3c5dd30cfd548d447521d4ef1fdba6f0fcf2 (patch) | |
| tree | 27a61359435eb949c9aa4b0e155b421028b53c29 /target/ppc/helper.h | |
| parent | f89ced5f556a06986d362dd41a99dfc4dc960fc1 (diff) | |
target/ppc: Use atomic cmpxchg for STQCX
When running in a parallel context, we must use a helper in order
to perform the 128-bit atomic operation. When running in a serial
context, do the compare before the store.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/helper.h')
| -rw-r--r-- | target/ppc/helper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h index cbc1228570..5706c2497f 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -807,4 +807,6 @@ DEF_HELPER_FLAGS_5(stq_le_parallel, TCG_CALL_NO_WG, void, env, tl, i64, i64, i32) DEF_HELPER_FLAGS_5(stq_be_parallel, TCG_CALL_NO_WG, void, env, tl, i64, i64, i32) +DEF_HELPER_5(stqcx_le_parallel, i32, env, tl, i64, i64, i32) +DEF_HELPER_5(stqcx_be_parallel, i32, env, tl, i64, i64, i32) #endif |