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Merge pull request #10906 from topolarity/cbe-array-support

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stage2 CBE: Implement 2D array support
This commit is contained in:
Andrew Kelley
2022-02-18 14:08:06 -05:00
committed by GitHub
parent 736b9dcdd6 1639fd4c45
commit 60bb1d4e1c
3 changed files with 362 additions and 205 deletions
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32
test/behavior/basic.zig
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@@ -436,6 +436,38 @@ test "array 2D const double ptr" {
try testArray2DConstDoublePtr(&rect_2d_vertexes[0][0]);
}
test "array 2D const double ptr with offset" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
const rect_2d_vertexes = [_][2]f32{
[_]f32{ 3.0, 4.239 },
[_]f32{ 1.0, 2.0 },
};
try testArray2DConstDoublePtr(&rect_2d_vertexes[1][0]);
}
test "array 3D const double ptr with offset" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
const rect_3d_vertexes = [_][2][2]f32{
[_][2]f32{
[_]f32{ 3.0, 4.239 },
[_]f32{ 3.5, 7.2 },
},
[_][2]f32{
[_]f32{ 3.0, 4.239 },
[_]f32{ 1.0, 2.0 },
},
};
try testArray2DConstDoublePtr(&rect_3d_vertexes[1][1][0]);
}
fn testArray2DConstDoublePtr(ptr: *const f32) !void {
const ptr2 = @ptrCast([*]const f32, ptr);
try expect(ptr2[0] == 1.0);

5
test/behavior/undefined.zig
View File

@@ -1,4 +1,5 @@
const std = @import("std");
const builtin = @import("builtin");
const expect = std.testing.expect;
const mem = std.mem;
@@ -12,6 +13,10 @@ fn initStaticArray() [10]i32 {
}
const static_array = initStaticArray();
test "init static array to undefined" {
// This test causes `initStaticArray()` to be codegen'd, and the
// C backend does not yet support returning arrays, so it fails
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
try expect(static_array[0] == 1);
try expect(static_array[4] == 2);
try expect(static_array[7] == 3);