================
@@ -1204,6 +1204,13 @@ def : Pat<(i16 (atomic_load_nonext_16 addr:$src)),
(MOV16rm addr:$src)>;
def : Pat<(i32 (atomic_load_nonext_32 addr:$src)), (MOV32rm addr:$src)>;
def : Pat<(i64 (atomic_load_nonext_64 addr:$src)), (MOV64rm addr:$src)>;
+def : Pat<(v4i32 (scalar_to_vector (i32 (zext (i16 (atomic_load_16
addr:$src)))))),
+ (MOVDI2PDIrm addr:$src)>; // load atomic <2 x i8>
+def : Pat<(v4i32 (scalar_to_vector (i32 (atomic_load_32 addr:$src)))),
+ (MOVDI2PDIrm addr:$src)>; // load atomic <2 x i16>
+def : Pat<(v2i64 (scalar_to_vector (i64 (atomic_load_64 addr:$src)))),
+ (MOV64toPQIrm addr:$src)>; // load atomic <2 x i32,float>
+
----------------
RKSimon wrote:
```suggestion
// load atomic <2 x i8>
def : Pat<(v4i32 (scalar_to_vector (i32 (zext (i16 (atomic_load_16
addr:$src)))))),
(MOVDI2PDIrm addr:$src), Requires<[UseSSE2]>;
def : Pat<(v4i32 (scalar_to_vector (i32 (zext (i16 (atomic_load_16
addr:$src)))))),
(VMOVDI2PDIrm addr:$src), Requires<[UseAVX]>;
def : Pat<(v4i32 (scalar_to_vector (i32 (zext (i16 (atomic_load_16
addr:$src)))))),
(VMOVDI2PDIZrm addr:$src), Requires<[UseAVX512]>;
// load atomic <2 x i16>
def : Pat<(v4i32 (scalar_to_vector (i32 (atomic_load_32 addr:$src)))),
(MOVDI2PDIrm addr:$src), Requires<[UseSSE2]>;
def : Pat<(v4i32 (scalar_to_vector (i32 (atomic_load_32 addr:$src)))),
(VMOVDI2PDIrm addr:$src), Requires<[UseAVX]>;
def : Pat<(v4i32 (scalar_to_vector (i32 (atomic_load_32 addr:$src)))),
(VMOVDI2PDIZrm addr:$src), Requires<[UseAVX512]>;
// load atomic <2 x i32,float>
def : Pat<(v2i64 (scalar_to_vector (i64 (atomic_load_64 addr:$src)))),
(MOV64toPQIrm addr:$src), Requires<[UseSSE2]>;
def : Pat<(v2i64 (scalar_to_vector (i64 (atomic_load_64 addr:$src)))),
(VMOV64toPQIrm addr:$src), Requires<[UseAVX]>;
def : Pat<(v2i64 (scalar_to_vector (i64 (atomic_load_64 addr:$src)))),
(VMOV64toPQIZrm addr:$src), Requires<[UseAVX512]>;
```
https://github.com/llvm/llvm-project/pull/148898
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