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-rw-r--r--target/arm/tcg/translate.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index c1e57a5..3aa486a 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -610,6 +610,30 @@ static inline MemOp finalize_memop_pair(DisasContext *s, MemOp opc)
}
/**
+ * finalize_memop_asimd:
+ * @s: DisasContext
+ * @opc: size+sign+align of the memory operation
+ *
+ * Like finalize_memop_atom, but with atomicity of AccessType_ASIMD.
+ */
+static inline MemOp finalize_memop_asimd(DisasContext *s, MemOp opc)
+{
+ /*
+ * In the pseudocode for Mem[], with AccessType_ASIMD, size == 16,
+ * if IsAligned(8), the first case provides separate atomicity for
+ * the pair of 64-bit accesses. If !IsAligned(8), the middle cases
+ * do not apply, and we're left with the final case of no atomicity.
+ * Thus MO_ATOM_IFALIGN_PAIR.
+ *
+ * For other sizes, normal LSE2 rules apply.
+ */
+ if ((opc & MO_SIZE) == MO_128) {
+ return finalize_memop_atom(s, opc, MO_ATOM_IFALIGN_PAIR);
+ }
+ return finalize_memop(s, opc);
+}
+
+/**
* asimd_imm_const: Expand an encoded SIMD constant value
*
* Expand a SIMD constant value. This is essentially the pseudocode