[AArch64]Fix the problem that AArch64 backend fails to select scalar_to_vector of...

[oota-llvm.git] / lib / Target / AArch64 / AArch64InstrNEON.td

diff --git a/lib/Target/AArch64/AArch64InstrNEON.td b/lib/Target/AArch64/AArch64InstrNEON.td
index 6a2c79de6b79971d7fe0ef8980aba82011d56114..9dd3e41c31abe82e7807e0c51642145a6b23ddd1 100644 (file)
--- a/lib/Target/AArch64/AArch64InstrNEON.td
+++ b/lib/Target/AArch64/AArch64InstrNEON.td
@@ -6707,14 +6707,48 @@ def : Pat<(v1i32 (scalar_to_vector GPR32:$src)),
 def : Pat<(v1i64 (scalar_to_vector GPR64:$src)),
           (FMOVdx $src)>;
 
+def : Pat<(v8i8 (scalar_to_vector GPR32:$Rn)),
+          (v8i8 (EXTRACT_SUBREG (v16i8
+            (INSbw (v16i8 (IMPLICIT_DEF)), $Rn, (i64 0))),
+            sub_64))>;
+
+def : Pat<(v4i16 (scalar_to_vector GPR32:$Rn)),
+          (v4i16 (EXTRACT_SUBREG (v8i16
+            (INShw (v8i16 (IMPLICIT_DEF)), $Rn, (i64 0))),
+            sub_64))>;
+
+def : Pat<(v2i32 (scalar_to_vector GPR32:$Rn)),
+          (v2i32 (EXTRACT_SUBREG (v16i8
+            (INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))),
+            sub_64))>;
+
+def : Pat<(v16i8 (scalar_to_vector GPR32:$Rn)),
+          (INSbw (v16i8 (IMPLICIT_DEF)), $Rn, (i64 0))>;
+
+def : Pat<(v8i16 (scalar_to_vector GPR32:$Rn)),
+          (INShw (v8i16 (IMPLICIT_DEF)), $Rn, (i64 0))>;
+
+def : Pat<(v4i32 (scalar_to_vector GPR32:$Rn)),
+          (INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))>;
+
+def : Pat<(v2i64 (scalar_to_vector GPR64:$Rn)),
+          (INSdx (v2i64 (IMPLICIT_DEF)), $Rn, (i64 0))>;
+
+def : Pat<(v2i32 (scalar_to_vector GPR32:$Rn)),
+          (v2i32 (EXTRACT_SUBREG (v16i8
+            (INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))),
+            sub_64))>;
+
+def : Pat<(v2i32 (scalar_to_vector GPR32:$Rn)),
+          (v2i32 (EXTRACT_SUBREG (v16i8
+            (INSsw (v4i32 (IMPLICIT_DEF)), $Rn, (i64 0))),
+            sub_64))>;
+
 def : Pat<(v1f32 (scalar_to_vector (f32 FPR32:$Rn))),
           (v1f32 FPR32:$Rn)>;
 def : Pat<(v1f64 (scalar_to_vector (f64 FPR64:$Rn))),
           (v1f64 FPR64:$Rn)>;
 
-def : Pat<(v1f64 (scalar_to_vector (f64 FPR64:$src))),
-          (FMOVdd $src)>;
-
 def : Pat<(v2f64 (scalar_to_vector (f64 FPR64:$src))),
           (INSERT_SUBREG (v2f64 (IMPLICIT_DEF)),
                          (f64 FPR64:$src), sub_64)>;