implement vector negation

also fix vector behavior tests, they weren't actually testing
runtime vectors, but now they are.

See #903

1 files changed, 41 insertions, 0 deletions

diff --git a/test/runtime_safety.zig b/test/runtime_safety.zig
index 12cac64b3a..0427efabd5 100644
--- a/test/runtime_safety.zig
+++ b/test/runtime_safety.zig
@@ -118,6 +118,47 @@ pub fn addCases(cases: *tests.CompareOutputContext) void {
         \\}
     );
 
+    cases.addRuntimeSafety("vector integer subtraction overflow",
+        \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
+        \\    @import("std").os.exit(126);
+        \\}
+        \\pub fn main() void {
+        \\    var a: @Vector(4, u32) = []u32{ 1, 2, 8, 4 };
+        \\    var b: @Vector(4, u32) = []u32{ 5, 6, 7, 8 };
+        \\    const x = sub(b, a);
+        \\}
+        \\fn sub(a: @Vector(4, u32), b: @Vector(4, u32)) @Vector(4, u32) {
+        \\    return a - b;
+        \\}
+    );
+
+    cases.addRuntimeSafety("vector integer multiplication overflow",
+        \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
+        \\    @import("std").os.exit(126);
+        \\}
+        \\pub fn main() void {
+        \\    var a: @Vector(4, u8) = []u8{ 1, 2, 200, 4 };
+        \\    var b: @Vector(4, u8) = []u8{ 5, 6, 2, 8 };
+        \\    const x = mul(b, a);
+        \\}
+        \\fn mul(a: @Vector(4, u8), b: @Vector(4, u8)) @Vector(4, u8) {
+        \\    return a * b;
+        \\}
+    );
+
+    cases.addRuntimeSafety("vector integer negation overflow",
+        \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
+        \\    @import("std").os.exit(126);
+        \\}
+        \\pub fn main() void {
+        \\    var a: @Vector(4, i16) = []i16{ 1, -32768, 200, 4 };
+        \\    const x = neg(a);
+        \\}
+        \\fn neg(a: @Vector(4, i16)) @Vector(4, i16) {
+        \\    return -a;
+        \\}
+    );
+
     cases.addRuntimeSafety("integer subtraction overflow",
         \\pub fn panic(message: []const u8, stack_trace: ?*@import("builtin").StackTrace) noreturn {
         \\    @import("std").os.exit(126);