test/codegen: fix wasm codegen breakage

i32.eqz instructions don't appear unless needed in if conditions anymore
after CL 195204. I forgot to run the codegen tests while submitting the CL.

Thanks to @martisch for catching it.

Fixes #34442

Change-Id: I177b064b389be48e39d564849714d7a8839be13e
Reviewed-on: https://go-review.googlesource.com/c/go/+/196580
Run-TryBot: Agniva De Sarker <agniva.quicksilver@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Martin Möhrmann <moehrmann@google.com>

test/codegen/comparisons.go

@@ -215,34 +215,34 @@ func CmpLogicalToZero(a, b, c uint32, d, e uint64) uint64 {
 
 	// ppc64:"ANDCC",-"CMPW"
 	// ppc64le:"ANDCC",-"CMPW"
-	// wasm:"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
+	// wasm:"I64Eqz",-"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
 	if a&63 == 0 {
 		return 1
 	}
 
 	// ppc64:"ANDCC",-"CMP"
 	// ppc64le:"ANDCC",-"CMP"
-	// wasm:"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
+	// wasm:"I64Eqz",-"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
 	if d&255 == 0 {
 		return 1
 	}
 
 	// ppc64:"ANDCC",-"CMP"
 	// ppc64le:"ANDCC",-"CMP"
-	// wasm:"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
+	// wasm:"I64Eqz",-"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
 	if d&e == 0 {
 		return 1
 	}
 	// ppc64:"ORCC",-"CMP"
 	// ppc64le:"ORCC",-"CMP"
-	// wasm:"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
+	// wasm:"I64Eqz",-"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
 	if d|e == 0 {
 		return 1
 	}
 
 	// ppc64:"XORCC",-"CMP"
 	// ppc64le:"XORCC",-"CMP"
-	// wasm:"I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
+	// wasm:"I64Eqz","I32Eqz",-"I64ExtendI32U",-"I32WrapI64"
 	if e^d == 0 {
 		return 1
 	}