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| author | Matt Knight <mattnite@protonmail.com> | 2021-04-10 14:21:59 -0700 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2021-07-08 09:56:40 -0700 |
| commit | fb16633ecb496f3f30cdac11987baad40b7793b2 (patch) | |
| tree | 96d0b726a2fac3faa5f13777652806d846916025 /test | |
| parent | 62d27fcfb687e3ab1f10c72513e19529d8ffceed (diff) | |
| download | zig-fb16633ecb496f3f30cdac11987baad40b7793b2.tar.gz zig-fb16633ecb496f3f30cdac11987baad40b7793b2.zip | |
C backend: add/sub/mul wrapping for the C backend
Diffstat (limited to 'test')
| -rw-r--r-- | test/stage2/cbe.zig | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/stage2/cbe.zig b/test/stage2/cbe.zig index cbe24d3ec3..abf8b0165d 100644 --- a/test/stage2/cbe.zig +++ b/test/stage2/cbe.zig @@ -824,6 +824,55 @@ pub fn addCases(ctx: *TestContext) !void { , ""); } + { + // TODO: move these cases into the programs themselves once stage 2 has array literals + // TODO: add u64 tests, ran into issues with the literal generated for std.math.maxInt(u64) + var case = ctx.exeFromCompiledC("Wrapping operations", .{}); + const programs = comptime blk: { + const cases = .{ + // Addition + .{ u3, "+%", 1, 1, 2 }, + .{ u3, "+%", 7, 1, 0 }, + .{ i3, "+%", 1, 1, 2 }, + .{ i3, "+%", 3, 2, -3 }, + .{ i3, "+%", -3, -2, 3 }, + .{ c_int, "+%", 1, 1, 2 }, + .{ c_int, "+%", std.math.maxInt(c_int), 2, std.math.minInt(c_int) + 1 }, + .{ c_int, "+%", std.math.minInt(c_int) + 1, -2, std.math.maxInt(c_int) }, + + // Subtraction + .{ u3, "-%", 2, 1, 1 }, + .{ u3, "-%", 0, 1, 7 }, + .{ i3, "-%", 2, 1, 1 }, + .{ i3, "-%", 3, -2, -3 }, + .{ i3, "-%", -3, 2, 3 }, + .{ c_int, "-%", 2, 1, 1 }, + .{ c_int, "-%", std.math.maxInt(c_int), -2, std.math.minInt(c_int) + 1 }, + .{ c_int, "-%", std.math.minInt(c_int) + 1, 2, std.math.maxInt(c_int) }, + }; + + var ret: [cases.len][:0]const u8 = undefined; + for (cases) |c, i| ret[i] = std.fmt.comptimePrint( + \\export fn main() i32 {{ + \\ var lhs: {0} = {2}; + \\ var rhs: {0} = {3}; + \\ var expected: {0} = {4}; + \\ + \\ if (expected != lhs {1s} rhs) {{ + \\ return 1; + \\ }} else {{ + \\ return 0; + \\ }} + \\}} + \\ + , c); + + break :blk ret; + }; + + inline for (programs) |prog| case.addCompareOutput(prog, ""); + } + ctx.h("simple header", linux_x64, \\export fn start() void{} , |