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

[David Green via llvm-commits]

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@@ -4249,8 +4322,21 @@ def : Pat<(v1f64 (load (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
 def : Pat<(v1i64 (load (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
           (LDURDi GPR64sp:$Rn, simm9:$offset)>;
 
+let Predicates = [IsLE, DisallowMisalignedMemAccesses] in {
+  def : Pat<(v2f32 (load_aligned<8> (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
+            (LDURDi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v2i32 (load_aligned<8> (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
+            (LDURDi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v4i16 (load_aligned<8> (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
+            (LDURDi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v8i8 (load_aligned<8> (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
+            (LDURDi GPR64sp:$Rn, simm9:$offset)>;
+  def : Pat<(v4f16 (load_aligned<8> (am_unscaled64 GPR64sp:$Rn, simm9:$offset))),
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davemgreen wrote:

bf16?

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