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Convert swizzle to ISLE (AArch64) (#4400)

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Converted the implementation of `swizzle` for AArch64 to ISLE.

Copyright (c) 2022 Arm Limited
This commit is contained in:
Damian Heaton
2022-07-07 18:29:33 +01:00
committed by GitHub
parent 038383dc42
commit 6a5fe20956
3 changed files with 13 additions and 12 deletions
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7
cranelift/codegen/src/isa/aarch64/inst.isle
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@@ -1537,6 +1537,13 @@
(_ Unit (emit (MInst.VecMisc op dst src size))))
dst))
;; Helper for emitting `MInst.VecTbl` instructions.
(decl vec_tbl (Reg Reg bool) Reg)
(rule (vec_tbl rn rm is_extension)
(let ((dst WritableReg (temp_writable_reg $I8X16))
(_ Unit (emit (MInst.VecTbl dst rn rm is_extension))))
dst))
;; Helper for emitting `MInst.VecRRRLong` instructions.
(decl vec_rrr_long (VecRRRLongOp Reg Reg bool) Reg)
(rule (vec_rrr_long op src1 src2 high_half)