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Port icmp to ISLE (AArch64) (#4898)

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* Port `icmp` to ISLE (AArch64)

Ported the existing implementation of `icmp` (and, by extension, the
`lower_icmp` function) to ISLE for AArch64.

Copyright (c) 2022 Arm Limited

* Allow 'producer chains', eliminating `Nop0`s

Copyright (c) 2022 Arm Limited
This commit is contained in:
Damian Heaton
2022-09-13 16:56:50 +01:00
committed by GitHub
parent c3f8415ac7
commit e9b08b856d
11 changed files with 310 additions and 54 deletions
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6
cranelift/codegen/src/isa/x64/inst.isle
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@@ -1362,12 +1362,6 @@
(decl intcc_without_eq (IntCC) IntCC)
(extern constructor intcc_without_eq intcc_without_eq)
;; This is a direct import of `IntCC::unsigned`.
;; Get the corresponding IntCC with the signed component removed.
;; For conditions without a signed component, this is a no-op.
(decl intcc_unsigned (IntCC) IntCC)
(extern constructor intcc_unsigned intcc_unsigned)
;;;; Helpers for Getting Particular Physical Registers ;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; These should only be used for legalization purposes, when we can't otherwise