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

* cranelift: Fix `icmp.i128 eq` for aarch64 * cranelift: Use ccmp in `icmp.i128 eq` for aarch64
2022-08-15 19:11:22 +01:00
parent e577a76c0d
commit 863cbc345c
7 changed files with 86 additions and 28 deletions
--- a/cranelift/codegen/src/isa/aarch64/inst/emit_tests.rs
+++ b/cranelift/codegen/src/isa/aarch64/inst/emit_tests.rs
@@ -2182,6 +2182,28 @@ fn test_aarch64_binemit() {
        "F0739FDA",
        "csetm x16, vs",
    ));
+    insns.push((
+        Inst::CCmp {
+            size: OperandSize::Size64,
+            rn: xreg(22),
+            rm: xreg(1),
+            nzcv: NZCV::new(false, false, true, true),
+            cond: Cond::Eq,
+        },
+        "C30241FA",
+        "ccmp x22, x1, #nzCV, eq",
+    ));
+    insns.push((
+        Inst::CCmp {
+            size: OperandSize::Size32,
+            rn: xreg(3),
+            rm: xreg(28),
+            nzcv: NZCV::new(true, true, true, true),
+            cond: Cond::Gt,
+        },
+        "6FC05C7A",
+        "ccmp w3, w28, #NZCV, gt",
+    ));
    insns.push((
        Inst::CCmpImm {
            size: OperandSize::Size64,