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Cranelift AArch64: Migrate AMode to ISLE (#4832)

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Copyright (c) 2022, Arm Limited.

Co-authored-by: Chris Fallin <chris@cfallin.org>
This commit is contained in:
Anton Kirilov
2022-09-02 01:24:46 +01:00
committed by GitHub
parent 385bd0cbf8
commit d2e19b8d74
9 changed files with 684 additions and 329 deletions
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9
cranelift/codegen/src/isa/aarch64/lower.isle
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@@ -1772,12 +1772,11 @@
(rule (lower (has_type ty (splat (ireduce (iconst (u64_from_imm64 n))))))
(splat_const n (vector_size ty)))
(rule (lower (has_type ty (splat x @ (load flags addr offset))))
(rule (lower (has_type ty (splat x @ (load flags _ _))))
(if-let mem_op (is_sinkable_inst x))
(let ((_ Unit (sink_inst mem_op))
(addr AMode (amode (lane_type ty) addr offset))
(address Reg (load_addr addr)))
(ld1r address (vector_size ty) flags)))
(let ((addr AMode (sink_load_into_amode (lane_type ty) mem_op))
(address Reg (load_addr addr)))
(ld1r address (vector_size ty) flags)))
;;;; Rules for `AtomicLoad` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (has_type (valid_atomic_transaction ty) (atomic_load flags addr)))