tests: make 'test-self' pass under msys2/MINGW32 (#20614)

cmd/tools/vtest-self.v

@@ -321,6 +321,8 @@ const skip_on_non_amd64_or_arm64 = [
 	'do_not_remove',
 	// closures aren't implemented yet:
 	'vlib/v/tests/closure_test.v',
+	// native aren't implemented:
+	'vlib/v/gen/native/tests/native_test.v',
 	'vlib/context/cancel_test.v',
 	'vlib/context/deadline_test.v',
 	'vlib/context/empty_test.v',
@@ -437,7 +439,7 @@ fn main() {
 		tsession.skip_files << skip_on_ubuntu_musl
 	}
 	$if !amd64 && !arm64 {
-		tsession.skip_files << skip_on_non_amd64
+		tsession.skip_files << skip_on_non_amd64_or_arm64
 	}
 	$if amd64 {
 		tsession.skip_files << skip_on_amd64

vlib/gg/m4/m4_test.v

@@ -230,8 +230,8 @@ fn test_vec4() {
 
 fn test_proj() {
 	ort := m4.ortho(0,300,0,200,0,0)
-	assert m4.mul_vec(ort, m4.Vec4{[ f32(150),  100,    0, 1]!}) == m4.Vec4{[ f32(0),   0,  0, 1]!}
+	assert m4.mul_vec(ort, m4.Vec4{[ f32(150),  100,    0, 1]!}).is_equal(m4.Vec4{[ f32(0),   0,  0, 1]!})
-	assert m4.mul_vec(ort, m4.Vec4{[ f32(0),      0,    0, 1]!}) == m4.Vec4{[ f32(-1), -1,  0, 1]!}
+	assert m4.mul_vec(ort, m4.Vec4{[ f32(0),      0,    0, 1]!}).is_equal(m4.Vec4{[ f32(-1), -1,  0, 1]!})
-	assert m4.mul_vec(ort, m4.Vec4{[ f32(300),  200,    0, 1]!}) == m4.Vec4{[ f32(1),   1,  0, 1]!}
+	assert m4.mul_vec(ort, m4.Vec4{[ f32(300),  200,    0, 1]!}).is_equal(m4.Vec4{[ f32(1),   1,  0, 1]!})
 }
 // vfmt on

vlib/gg/m4/vector.v

@@ -34,6 +34,19 @@ pub fn vec3(x f32, y f32, z f32) Vec4 {
 	}
 }
 
+// Check if two vector are equal using module precision
+@[direct_array_access]
+pub fn (x Vec4) is_equal(y Vec4) bool {
+	unsafe {
+		for c, value in x.e {
+			if f32_abs(value - y.e[c]) > precision {
+				return false
+			}
+		}
+		return true
+	}
+}
+
 // Remove all the raw zeros
 @[direct_array_access]
 pub fn (a Vec4) clean() Vec4 {

vlib/v/checker/comptime.v

@@ -878,7 +878,11 @@ fn (mut c Checker) comptime_if_branch(mut cond ast.Expr, pos token.Pos) Comptime
 					else { return .unknown }
 				}
 			} else if cname in ast.valid_comptime_if_cpu_features {
-				return .unknown
+				match cname {
+					'x64' { return if c.pref.m64 { .eval } else { .skip } }
+					'x32' { return if !c.pref.m64 { .eval } else { .skip } }
+					else { return .unknown }
+				}
 			} else if cname in ast.valid_comptime_if_other {
 				match cname {
 					'apk' {

vlib/v/tests/generics_fn_variable_2_test.v

@@ -14,7 +14,11 @@ fn test_generic_fn_variable() {
 
 	r2 := f[string]()
 	println(r2)
-	assert r2 == 16
+	assert r2 == $if x64 {
+		16
+	} $else {
+		12
+	}
 
 	r3 := f[f64]()
 	println(r3)

vlib/v/tests/sizeof_test.v

@@ -25,6 +25,14 @@ fn test_sizeof() {
 	assert sizeof(flag.Flag) > 4
 
 	assert sizeof(c'hello') == 6
-	assert sizeof(r'hello') == 16
+	assert sizeof(r'hello') == $if x64 {
-	assert sizeof('hello') == 16
+		16
+	} $else {
+		12
+	}
+	assert sizeof('hello') == $if x64 {
+		16
+	} $else {
+		12
+	}
 }

vlib/v/tests/type_alias_test.v

@@ -6,7 +6,7 @@ fn test_type_alias() {
 	i := Myint(10)
 	assert i + 100 == 110
 	f := Myf32(7.4)
-	assert f + f32(0.6) == f32(8.0)
+	assert (f + f32(0.6)).eq_epsilon(f32(8.0))
 	g := Myf64(10.4)
 	assert g + 0.5 == 10.9
 }
@@ -19,7 +19,7 @@ fn test_type_alias_v2() {
 	i := Myint_2(10)
 	assert i + 100 == 110
 	f := Myf32_2(7.4)
-	assert f + f32(0.6) == f32(8.0)
+	assert (f + f32(0.6)).eq_epsilon(f32(8.0))
 	g := Myf64_2(10.4)
 	assert g + 0.5 == 10.9
 	// test ++ on an alias