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[AArch64] Port AtomicCAS to isle (#4140)

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Copyright (c) 2022, Arm Limited.
This commit is contained in:
Sam Parker
2022-05-25 09:19:24 +01:00
committed by GitHub
parent a02a609528
commit 010e028d67
3 changed files with 57 additions and 54 deletions
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28
cranelift/codegen/src/isa/aarch64/lower.isle
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@@ -1225,39 +1225,39 @@
;;;; Rules for `AtomicRMW` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Add) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Add) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Xor) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Eor) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Or) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Set) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Smax) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Smax) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Smin) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Smin) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Umax) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Umax) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Umin) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Umin) addr src ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Sub) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Add) addr (sub ty (zero_reg) src) ty))
(rule (lower (and (use_lse)
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.And) addr src))))
(lse_atomic_rmw (AtomicRMWOp.Clr) addr (eon ty src (zero_reg)) ty))
@@ -1296,3 +1296,13 @@
(rule (lower (has_type (valid_atomic_transaction ty)
(atomic_rmw flags (AtomicRmwOp.Xchg) addr src)))
(atomic_rmw_loop (AtomicRMWLoopOp.Xchg) addr src ty))
;;;; Rules for `AtomicCAS` ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(rule 1 (lower (and (use_lse)
(has_type (valid_atomic_transaction ty)
(atomic_cas flags addr src1 src2))))
(lse_atomic_cas addr src1 src2 ty))
(rule (lower (and (has_type (valid_atomic_transaction ty)
(atomic_cas flags addr src1 src2))))
(atomic_cas_loop addr src1 src2 ty))