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[AArch64] Port IaddPairwise to ISLE (#4201)

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Copyright (c) 2022, Arm Limited.
This commit is contained in:
Sam Parker
2022-06-06 15:37:13 +01:00
committed by GitHub
parent 7148882867
commit acfeda4d80
7 changed files with 150 additions and 50 deletions
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23
cranelift/codegen/src/isa/aarch64/inst.isle
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@@ -920,7 +920,9 @@
;; Helper for calculating the `VectorSize` corresponding to a type
(decl vector_size (Type) VectorSize)
(rule (vector_size (multi_lane 8 8)) (VectorSize.Size8x8))
(rule (vector_size (multi_lane 8 16)) (VectorSize.Size8x16))
(rule (vector_size (multi_lane 16 4)) (VectorSize.Size16x4))
(rule (vector_size (multi_lane 16 8)) (VectorSize.Size16x8))
(rule (vector_size (multi_lane 32 4)) (VectorSize.Size32x4))
(rule (vector_size (multi_lane 64 2)) (VectorSize.Size64x2))
@@ -1540,6 +1542,13 @@
(_ Unit (emit (MInst.VecRRRLong op dst src1 src2 high_half))))
dst))
;; Helper for emitting `MInst.VecRRPairLong` instructions.
(decl vec_rr_pair_long (VecRRPairLongOp Reg) Reg)
(rule (vec_rr_pair_long op src)
(let ((dst WritableReg (temp_writable_reg $I8X16))
(_ Unit (emit (MInst.VecRRPairLong op dst src))))
dst))
;; Helper for emitting `MInst.VecRRRLong` instructions, but for variants
;; where the operation both reads and modifies the destination register.
;;
@@ -1729,6 +1738,20 @@
(decl shll32 (Reg bool) Reg)
(rule (shll32 x high_half) (vec_rr_long (VecRRLongOp.Shll32) x high_half))
;; Helpers for generating `addlp` instructions.
(decl saddlp8 (Reg) Reg)
(rule (saddlp8 x) (vec_rr_pair_long (VecRRPairLongOp.Saddlp8) x))
(decl saddlp16 (Reg) Reg)
(rule (saddlp16 x) (vec_rr_pair_long (VecRRPairLongOp.Saddlp16) x))
(decl uaddlp8 (Reg) Reg)
(rule (uaddlp8 x) (vec_rr_pair_long (VecRRPairLongOp.Uaddlp8) x))
(decl uaddlp16 (Reg) Reg)
(rule (uaddlp16 x) (vec_rr_pair_long (VecRRPairLongOp.Uaddlp16) x))
;; Helper for generating `umlal32` instructions.
(decl umlal32 (Reg Reg Reg bool) Reg)
(rule (umlal32 x y z high_half) (vec_rrrr_long (VecRRRLongOp.Umlal32) x y z high_half))