cranelift: Fix icmp.i128 eq for aarch64 (#4706)

* cranelift: Fix `icmp.i128 eq` for aarch64

* cranelift: Use ccmp in `icmp.i128 eq` for aarch64

cranelift/filetests/filetests/isa/aarch64/condbr.clif

@@ -20,9 +20,8 @@ block0(v0: i128, v1: i128):
 }
 
 ; block0:
-;   eor x10, x0, x2
-;   eor x12, x1, x3
-;   adds xzr, x10, x12
+;   subs xzr, x0, x2
+;   ccmp x1, x3, #nzcv, eq
 ;   cset x0, eq
 ;   ret
 
@@ -33,9 +32,8 @@ block0(v0: i128, v1: i128):
 }
 
 ; block0:
-;   eor x10, x0, x2
-;   eor x12, x1, x3
-;   adds xzr, x10, x12
+;   subs xzr, x0, x2
+;   ccmp x1, x3, #nzcv, eq
 ;   cset x0, ne
 ;   ret
 
@@ -278,9 +276,8 @@ block1:
 }
 
 ; block0:
-;   eor x8, x0, x2
-;   eor x10, x1, x3
-;   adds xzr, x8, x10
+;   subs xzr, x0, x2
+;   ccmp x1, x3, #nzcv, eq
 ;   b.eq label1 ; b label2
 ; block1:
 ;   b label3
@@ -299,9 +296,8 @@ block1:
 }
 
 ; block0:
-;   eor x8, x0, x2
-;   eor x10, x1, x3
-;   adds xzr, x8, x10
+;   subs xzr, x0, x2
+;   ccmp x1, x3, #nzcv, eq
 ;   b.ne label1 ; b label2
 ; block1:
 ;   b label3

cranelift/filetests/filetests/runtests/i128-icmp.clif

@@ -20,6 +20,9 @@ block0(v0: i128, v1: i128):
 ; run: %icmp_eq_i128(0xFFFFFFFF_FFFFFFFF_FFFFFFFF_FFFFFFFF, 0x00000000_00000001_00000000_00000001) == false
 ; run: %icmp_eq_i128(0x00000000_00000001_FFFFFFFF_FFFFFFFF, 0x00000000_00000001_00000000_00000001) == false
 
+; This is a regression test for aarch64, see: https://github.com/bytecodealliance/wasmtime/issues/4705
+; run: %icmp_eq_i128(36893488147419103231, 0) == false
+
 
 function %icmp_ne_i128(i128, i128) -> b1 {
 block0(v0: i128, v1: i128):