struct_loong64_regression_test.go RawHistoryFolder

1//go:build loong64 && linux
2
3package purego
4
5import (
6	"math"
7	"reflect"
8	"testing"
9)
10
11func TestLoong64GetStructMasksFloat32Pairs(t *testing.T) {
12	type pair struct{ X, Y float32 }
13	sys := syscall15Args{
14		f1: uintptr(0xDEADBEEF00000000 | uint64(math.Float32bits(1.5))),
15		f2: uintptr(math.Float32bits(2.5)),
16	}
17	got := getStruct(reflect.TypeOf(pair{}), sys).Interface().(pair)
18	if got.X != 1.5 || got.Y != 2.5 {
19		t.Fatalf("got %+v, want {1.5 2.5}", got)
20	}
21}
22
23func TestLoong64PlaceRegistersResetsAfterFlush(t *testing.T) {
24	type triple struct{ A, B, C uint32 }
25	var ints []uintptr
26	placeRegisters(reflect.ValueOf(triple{A: 1, B: 2, C: 3}), func(uintptr) {
27		t.Fatal("unexpected float register")
28	}, func(v uintptr) {
29		ints = append(ints, v)
30	})
31	want := []uintptr{0x0000000200000001, 0x0000000000000003}
32	if len(ints) != len(want) || ints[0] != want[0] || ints[1] != want[1] {
33		t.Fatalf("placeRegisters() = %#v, want %#v", ints, want)
34	}
35}