ssa: set pointer directiface

internal/runtime/alg.go

@@ -179,6 +179,8 @@ func typehash(t *_type, p unsafe.Pointer, h uintptr) uintptr {
 			h = typehash(a.Elem, add(p, i*a.Elem.Size_), h)
 		}
 		return h
+	case abi.Chan:
+		return typehash(t.Elem(), p, h)
 	case abi.Struct:
 		s := (*structtype)(unsafe.Pointer(t))
 		for _, f := range s.Fields {
@@ -195,8 +197,8 @@ func typehash(t *_type, p unsafe.Pointer, h uintptr) uintptr {
 	}
 }
 
-func ptrequal(p, q unsafe.Pointer) bool {
-	return p == q
+func memequalptr(p, q unsafe.Pointer) bool {
+	return *(*uintptr)(p) == *(*uintptr)(q)
 }
 func memequal0(p, q unsafe.Pointer) bool {
 	return true

internal/runtime/z_face.go

@@ -291,8 +291,13 @@ func IfacePtrData(i iface) unsafe.Pointer {
 	if i.tab == nil {
 		panic(errorString("invalid memory address or nil pointer dereference").Error())
 	}
-	if i.tab._type.Kind_&abi.KindDirectIface != 0 {
-		return unsafe.Pointer(&i.data)
+	switch i.tab._type.Kind() {
+	case abi.Bool, abi.Int, abi.Int8, abi.Int16, abi.Int32, abi.Int64,
+		abi.Uint, abi.Uint8, abi.Uint16, abi.Uint32, abi.Uint64, abi.Uintptr,
+		abi.Float32, abi.Float64, abi.Array, abi.Struct:
+		if isDirectIface(i.tab._type) {
+			return unsafe.Pointer(&i.data)
+		}
 	}
 	return i.data
 }

internal/runtime/z_type.go

@@ -55,7 +55,7 @@ func basicEqual(kind Kind, size uintptr) func(a, b unsafe.Pointer) bool {
 	case abi.String:
 		return strequal
 	case abi.UnsafePointer:
-		return ptrequal
+		return memequalptr
 	}
 	panic("unreachable")
 }
@@ -195,7 +195,7 @@ func newPointer(elem *Type) *Type {
 			Align_:      pointerAlign,
 			FieldAlign_: pointerAlign,
 			Kind_:       uint8(abi.Pointer),
-			Equal:       ptrequal,
+			Equal:       memequalptr,
 		},
 		Elem: elem,
 	}
@@ -266,11 +266,13 @@ func ChanOf(dir int, strChan string, elem *Type) *Type {
 			Align_:      pointerAlign,
 			FieldAlign_: pointerAlign,
 			Kind_:       uint8(abi.Chan),
+			Equal:       memequalptr,
 			Str_:        strChan + " " + elem.String(),
 		},
 		Elem: elem,
 		Dir:  abi.ChanDir(dir),
 	}
+
 	return &ret.Type
 }