[llvm] [AArch64] Use LD1/ST1 in strict-align mode (PR #211513)

[David Green via llvm-commits]

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@@ -4267,6 +4353,23 @@ let Predicates = [IsLE] in {
             (LDURQi GPR64sp:$Rn, simm9:$offset)>;
 }
 
+let Predicates = [IsLE, DisallowMisalignedMemAccesses] in {
+  def : Pat<(v2f64 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v2i64 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v4f32 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v4i32 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v8i16 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v16i8 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
+            (LDURQi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v8f16 (load_aligned<16> (am_unscaled128 GPR64sp:$Rn, simm9:$offset))),
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davemgreen wrote:

Same here

https://github.com/llvm/llvm-project/pull/211513