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x86_64: fix bool vector init register clobber

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Closes #25439
This commit is contained in:
Jacob Young
2025-10-03 23:26:21 -04:00
parent e6e93d82b0
commit 2700af2aeb
2 changed files with 42 additions and 6 deletions
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46
test/behavior/vector.zig
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@@ -7,16 +7,50 @@ const expect = std.testing.expect;
const expectEqual = std.testing.expectEqual;
test "implicit cast vector to array - bool" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.cpu.arch == .aarch64_be and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
const S = struct {
fn doTheTest() !void {
const a: @Vector(4, bool) = [_]bool{ true, false, true, false };
const result_array: [4]bool = a;
try expect(mem.eql(bool, &result_array, &[4]bool{ true, false, true, false }));
{
var v: @Vector(4, bool) = undefined;
v = .{ true, false, true, false };
const a: [4]bool = v;
try expect(mem.eql(bool, &a, &.{ true, false, true, false }));
}
{
var v: @Vector(25, bool) = undefined;
v = .{ false, false, false, false, true, true, false, false, false, true, false, true, false, false, true, false, false, true, false, false, true, true, true, false, false };
const a: [25]bool = v;
try expect(mem.eql(bool, &a, &.{ false, false, false, false, true, true, false, false, false, true, false, true, false, false, true, false, false, true, false, false, true, true, true, false, false }));
}
}
};
try S.doTheTest();
try comptime S.doTheTest();
}
test "implicit cast array to vector - bool" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_spirv) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
const S = struct {
fn doTheTest() !void {
{
var a: [4]bool = undefined;
a = .{ true, false, false, true };
const v: @Vector(4, bool) = a;
try expect(mem.eql(bool, &@as([4]bool, v), &.{ true, false, false, true }));
}
{
var a: [25]bool = undefined;
a = .{ true, false, false, true, false, false, false, false, false, true, true, true, true, false, false, false, false, true, false, false, false, true, true, true, false };
const v: @Vector(25, bool) = a;
try expect(mem.eql(bool, &@as([25]bool, v), &.{ true, false, false, true, false, false, false, false, false, true, true, true, true, false, false, false, false, true, false, false, false, true, true, true, false }));
}
}
};
try S.doTheTest();