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Cranelift AArch64: Use an allocated encoding for Udf (#4281)

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Preserve the current behaviour when code is generated for SpiderMonkey.

Copyright (c) 2022, Arm Limited.
This commit is contained in:
Anton Kirilov
2022-06-22 15:03:28 +01:00
committed by GitHub
parent 2f9d96cd00
commit 25a588c35f
11 changed files with 87 additions and 30 deletions
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14
cranelift/codegen/src/isa/aarch64/lower.isle
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@@ -1244,7 +1244,19 @@
(vec_size VectorSize (vector_size ty)))
(value_reg (int_cmp_zero_swap cond rn vec_size))))
;;;; Rules for `AtomicRMW` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; Rules for `trap` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (trap trap_code))
(let ((use_allocated_encoding bool (is_not_baldrdash_call_conv)))
(side_effect (udf use_allocated_encoding trap_code))))
;;;; Rules for `resumable_trap` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (resumable_trap trap_code))
(let ((use_allocated_encoding bool (is_not_baldrdash_call_conv)))
(side_effect (udf use_allocated_encoding trap_code))))
;;;; Rules for `AtomicRMW` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)