166 lines
8.7 KiB
Zig
166 lines
8.7 KiB
Zig
// Disable formatting to avoid unnecessary source repository bloat.
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// zig fmt: off
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const testing = @import("std").testing;
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const builtin = @import("builtin");
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const __aeabi_uidivmod = @import("arm.zig").__aeabi_uidivmod;
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const ARMRes = extern struct {
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q: u32, // r0
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r: u32, // r1
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};
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fn test__aeabi_uidivmod(a: u32, b: u32, expected_q: u32, expected_r: u32) !void {
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const actualUidivmod = @as(*const fn (a: u32, b: u32) callconv(.AAPCS) ARMRes, @ptrCast(&__aeabi_uidivmod));
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const arm_res = actualUidivmod(a, b);
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try testing.expectEqual(expected_q, arm_res.q);
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try testing.expectEqual(expected_r, arm_res.r);
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}
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test "arm.__aeabi_uidivmod" {
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if (!builtin.cpu.arch.isARM()) return error.SkipZigTest;
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var i: i32 = 0;
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for (cases) |case| {
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try test__aeabi_uidivmod(case[0], case[1], case[2], case[3]);
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i+=1;
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}
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}
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const cases = [_][4]u32{
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[_]u32{0x00000000, 0x00000001, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x00000002, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x00000003, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x00000010, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x078644FA, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x0747AE14, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x7FFFFFFF, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0x80000000, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0xFFFFFFFD, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0xFFFFFFFE, 0x00000000, 0x00000000},
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[_]u32{0x00000000, 0xFFFFFFFF, 0x00000000, 0x00000000},
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[_]u32{0x00000001, 0x00000001, 0x00000001, 0x00000000}, // 1/1 => q=1, r=0
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[_]u32{0x00000001, 0x00000002, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000003, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000010, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x078644FA, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x0747AE14, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x7FFFFFFF, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x80000000, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFD, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFF, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000000, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000001, 0x00000001, 0x00000000},
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[_]u32{0x00000001, 0x00000002, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000003, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x00000010, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x078644FA, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x0747AE14, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x7FFFFFFF, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0x80000000, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFD, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFE, 0x00000000, 0x00000001},
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[_]u32{0x00000001, 0xFFFFFFFF, 0x00000000, 0x00000001},
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[_]u32{0x00000002, 0x00000001, 0x00000002, 0x00000000},
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[_]u32{0x00000002, 0x00000002, 0x00000001, 0x00000000},
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[_]u32{0x00000002, 0x00000003, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0x00000010, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0x078644FA, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0x0747AE14, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0x7FFFFFFF, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0x80000000, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0xFFFFFFFD, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0xFFFFFFFE, 0x00000000, 0x00000002},
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[_]u32{0x00000002, 0xFFFFFFFF, 0x00000000, 0x00000002},
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[_]u32{0x00000010, 0x00000001, 0x00000010, 0x00000000},
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[_]u32{0x00000010, 0x00000002, 0x00000008, 0x00000000},
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[_]u32{0x00000010, 0x00000003, 0x00000005, 0x00000001},
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[_]u32{0x00000010, 0x00000010, 0x00000001, 0x00000000},
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[_]u32{0x00000010, 0x078644FA, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0x0747AE14, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0x7FFFFFFF, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0x80000000, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0xFFFFFFFD, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0xFFFFFFFE, 0x00000000, 0x00000010},
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[_]u32{0x00000010, 0xFFFFFFFF, 0x00000000, 0x00000010},
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[_]u32{0x078644FA, 0x00000001, 0x078644FA, 0x00000000},
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[_]u32{0x078644FA, 0x00000002, 0x03C3227D, 0x00000000},
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[_]u32{0x078644FA, 0x00000003, 0x028216FE, 0x00000000},
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[_]u32{0x078644FA, 0x00000010, 0x0078644F, 0x0000000A},
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[_]u32{0x078644FA, 0x078644FA, 0x00000001, 0x00000000},
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[_]u32{0x078644FA, 0x0747AE14, 0x00000001, 0x003E96E6},
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[_]u32{0x078644FA, 0x7FFFFFFF, 0x00000000, 0x078644FA},
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[_]u32{0x078644FA, 0x80000000, 0x00000000, 0x078644FA},
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[_]u32{0x078644FA, 0xFFFFFFFD, 0x00000000, 0x078644FA},
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[_]u32{0x078644FA, 0xFFFFFFFE, 0x00000000, 0x078644FA},
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[_]u32{0x078644FA, 0xFFFFFFFF, 0x00000000, 0x078644FA},
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[_]u32{0x0747AE14, 0x00000001, 0x0747AE14, 0x00000000},
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[_]u32{0x0747AE14, 0x00000002, 0x03A3D70A, 0x00000000},
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[_]u32{0x0747AE14, 0x00000003, 0x026D3A06, 0x00000002},
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[_]u32{0x0747AE14, 0x00000010, 0x00747AE1, 0x00000004},
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[_]u32{0x0747AE14, 0x078644FA, 0x00000000, 0x0747AE14},
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[_]u32{0x0747AE14, 0x0747AE14, 0x00000001, 0x00000000},
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[_]u32{0x0747AE14, 0x7FFFFFFF, 0x00000000, 0x0747AE14},
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[_]u32{0x0747AE14, 0x80000000, 0x00000000, 0x0747AE14},
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[_]u32{0x0747AE14, 0xFFFFFFFD, 0x00000000, 0x0747AE14},
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[_]u32{0x0747AE14, 0xFFFFFFFE, 0x00000000, 0x0747AE14},
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[_]u32{0x0747AE14, 0xFFFFFFFF, 0x00000000, 0x0747AE14},
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[_]u32{0x7FFFFFFF, 0x00000001, 0x7FFFFFFF, 0x00000000},
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[_]u32{0x7FFFFFFF, 0x00000002, 0x3FFFFFFF, 0x00000001},
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[_]u32{0x7FFFFFFF, 0x00000003, 0x2AAAAAAA, 0x00000001},
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[_]u32{0x7FFFFFFF, 0x00000010, 0x07FFFFFF, 0x0000000F},
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[_]u32{0x7FFFFFFF, 0x078644FA, 0x00000011, 0x00156B65},
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[_]u32{0x7FFFFFFF, 0x0747AE14, 0x00000011, 0x043D70AB},
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[_]u32{0x7FFFFFFF, 0x7FFFFFFF, 0x00000001, 0x00000000},
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[_]u32{0x7FFFFFFF, 0x80000000, 0x00000000, 0x7FFFFFFF},
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[_]u32{0x7FFFFFFF, 0xFFFFFFFD, 0x00000000, 0x7FFFFFFF},
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[_]u32{0x7FFFFFFF, 0xFFFFFFFE, 0x00000000, 0x7FFFFFFF},
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[_]u32{0x7FFFFFFF, 0xFFFFFFFF, 0x00000000, 0x7FFFFFFF},
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[_]u32{0x80000000, 0x00000001, 0x80000000, 0x00000000},
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[_]u32{0x80000000, 0x00000002, 0x40000000, 0x00000000},
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[_]u32{0x80000000, 0x00000003, 0x2AAAAAAA, 0x00000002},
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[_]u32{0x80000000, 0x00000010, 0x08000000, 0x00000000},
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[_]u32{0x80000000, 0x078644FA, 0x00000011, 0x00156B66},
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[_]u32{0x80000000, 0x0747AE14, 0x00000011, 0x043D70AC},
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[_]u32{0x80000000, 0x7FFFFFFF, 0x00000001, 0x00000001},
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[_]u32{0x80000000, 0x80000000, 0x00000001, 0x00000000},
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[_]u32{0x80000000, 0xFFFFFFFD, 0x00000000, 0x80000000},
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[_]u32{0x80000000, 0xFFFFFFFE, 0x00000000, 0x80000000},
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[_]u32{0x80000000, 0xFFFFFFFF, 0x00000000, 0x80000000},
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[_]u32{0xFFFFFFFD, 0x00000001, 0xFFFFFFFD, 0x00000000},
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[_]u32{0xFFFFFFFD, 0x00000002, 0x7FFFFFFE, 0x00000001},
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[_]u32{0xFFFFFFFD, 0x00000003, 0x55555554, 0x00000001},
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[_]u32{0xFFFFFFFD, 0x00000010, 0x0FFFFFFF, 0x0000000D},
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[_]u32{0xFFFFFFFD, 0x078644FA, 0x00000022, 0x002AD6C9},
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[_]u32{0xFFFFFFFD, 0x0747AE14, 0x00000023, 0x01333341},
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[_]u32{0xFFFFFFFD, 0x7FFFFFFF, 0x00000001, 0x7FFFFFFE},
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[_]u32{0xFFFFFFFD, 0x80000000, 0x00000001, 0x7FFFFFFD},
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[_]u32{0xFFFFFFFD, 0xFFFFFFFD, 0x00000001, 0x00000000},
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[_]u32{0xFFFFFFFD, 0xFFFFFFFE, 0x00000000, 0xFFFFFFFD},
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[_]u32{0xFFFFFFFD, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFD},
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[_]u32{0xFFFFFFFE, 0x00000001, 0xFFFFFFFE, 0x00000000},
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[_]u32{0xFFFFFFFE, 0x00000002, 0x7FFFFFFF, 0x00000000},
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[_]u32{0xFFFFFFFE, 0x00000003, 0x55555554, 0x00000002},
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[_]u32{0xFFFFFFFE, 0x00000010, 0x0FFFFFFF, 0x0000000E},
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[_]u32{0xFFFFFFFE, 0x078644FA, 0x00000022, 0x002AD6CA},
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[_]u32{0xFFFFFFFE, 0x0747AE14, 0x00000023, 0x01333342},
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[_]u32{0xFFFFFFFE, 0x7FFFFFFF, 0x00000002, 0x00000000},
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[_]u32{0xFFFFFFFE, 0x80000000, 0x00000001, 0x7FFFFFFE},
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[_]u32{0xFFFFFFFE, 0xFFFFFFFD, 0x00000001, 0x00000001},
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[_]u32{0xFFFFFFFE, 0xFFFFFFFE, 0x00000001, 0x00000000},
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[_]u32{0xFFFFFFFE, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFE},
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[_]u32{0xFFFFFFFF, 0x00000001, 0xFFFFFFFF, 0x00000000},
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[_]u32{0xFFFFFFFF, 0x00000002, 0x7FFFFFFF, 0x00000001},
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[_]u32{0xFFFFFFFF, 0x00000003, 0x55555555, 0x00000000},
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[_]u32{0xFFFFFFFF, 0x00000010, 0x0FFFFFFF, 0x0000000F},
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[_]u32{0xFFFFFFFF, 0x078644FA, 0x00000022, 0x002AD6CB},
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[_]u32{0xFFFFFFFF, 0x0747AE14, 0x00000023, 0x01333343},
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[_]u32{0xFFFFFFFF, 0x7FFFFFFF, 0x00000002, 0x00000001},
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[_]u32{0xFFFFFFFF, 0x80000000, 0x00000001, 0x7FFFFFFF},
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[_]u32{0xFFFFFFFF, 0xFFFFFFFD, 0x00000001, 0x00000002},
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[_]u32{0xFFFFFFFF, 0xFFFFFFFE, 0x00000001, 0x00000001},
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[_]u32{0xFFFFFFFF, 0xFFFFFFFF, 0x00000001, 0x00000000},
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};
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