aboutsummaryrefslogtreecommitdiff
path: root/lib/Target/Lanai/LanaiInstrInfo.td
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/Lanai/LanaiInstrInfo.td')
-rw-r--r--lib/Target/Lanai/LanaiInstrInfo.td4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/Lanai/LanaiInstrInfo.td b/lib/Target/Lanai/LanaiInstrInfo.td
index 776fee101dfe..66192b4a4704 100644
--- a/lib/Target/Lanai/LanaiInstrInfo.td
+++ b/lib/Target/Lanai/LanaiInstrInfo.td
@@ -842,6 +842,10 @@ def : Pat<(Call texternalsym:$dst), (CALL texternalsym:$dst)>;
// Loads
def : Pat<(extloadi8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
def : Pat<(extloadi16 ADDRspls:$src), (i32 (LDHz_RI ADDRspls:$src))>;
+// Loads up to 32-bits are already atomic.
+// TODO: This is a workaround for a particular failing case and should be
+// handled more generally.
+def : Pat<(atomic_load_8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
// GlobalAddress, ExternalSymbol, Jumptable, ConstantPool
def : Pat<(LanaiHi tglobaladdr:$dst), (MOVHI tglobaladdr:$dst)>;