[JIT][arm64] double dmb #60023
Description
public class Program
{
volatile int a;
void Test2(Program p) => p.a = a;
}currently emits:
; Method Program:Test2(Program):this
G_M27705_IG01: ;; offset=0000H
A9BF7BFD stp fp, lr, [sp,#-16]!
910003FD mov fp, sp
;; bbWeight=1 PerfScore 1.50
G_M27705_IG02: ;; offset=0008H
B9400800 ldr w0, [x0,#8]
D50339BF dmb ishld
D5033BBF dmb ish
B9000820 str w0, [x1,#8]
;; bbWeight=1 PerfScore 24.00
G_M27705_IG03: ;; offset=0018H
A8C17BFD ldp fp, lr, [sp],#16
D65F03C0 ret lr
;; bbWeight=1 PerfScore 2.00
; Total bytes of code: 32I guess the 2nd dmb is redundant here (not even mentioning that both of them actually redundant here?)
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