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c_abi: add vector tests for floats

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This commit is contained in:
Paul Berg 2024-02-14 10:40:19 +01:00
parent 42446e6bf9
commit 885f40520e
2 changed files with 58 additions and 0 deletions
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30
test/c_abi/cfuncs.c
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@ -236,6 +236,36 @@ struct SplitStructMixed zig_ret_split_struct_mixed();
struct BigStruct zig_big_struct_both(struct BigStruct);
typedef float Vector2Float __attribute__((ext_vector_type(2)));
typedef float Vector4Float __attribute__((ext_vector_type(4)));
void c_vector_2_float(Vector2Float vec) {
assert_or_panic(vec[0] == 1.0);
assert_or_panic(vec[1] == 2.0);
}
void c_vector_4_float(Vector4Float vec) {
assert_or_panic(vec[0] == 1.0);
assert_or_panic(vec[1] == 2.0);
assert_or_panic(vec[2] == 3.0);
assert_or_panic(vec[3] == 4.0);
}
Vector2Float c_ret_vector_2_float(void) {
return (Vector2Float){
1.0,
2.0,
};
}
Vector4Float c_ret_vector_4_float(void) {
return (Vector4Float){
1.0,
2.0,
3.0,
4.0,
};
}
#if defined(ZIG_BACKEND_STAGE2_X86_64) || defined(ZIG_PPC32) || defined(__wasm__)
typedef bool Vector2Bool __attribute__((ext_vector_type(2)));

28
test/c_abi/main.zig
View file

@ -890,6 +890,34 @@ test "big simd vector" {
try expect(x[7] == 16);
}
const Vector2Float = @Vector(2, f32);
const Vector4Float = @Vector(4, f32);
extern fn c_vector_2_float(Vector2Float) void;
extern fn c_vector_4_float(Vector4Float) void;
extern fn c_ret_vector_2_float() Vector2Float;
extern fn c_ret_vector_4_float() Vector4Float;
test "float simd vectors" {
if (builtin.cpu.arch == .powerpc or builtin.cpu.arch == .powerpc64le) return error.SkipZigTest;
{
c_vector_2_float(.{ 1.0, 2.0 });
const vec = c_ret_vector_2_float();
try expect(vec[0] == 1.0);
try expect(vec[1] == 2.0);
}
{
c_vector_4_float(.{ 1.0, 2.0, 3.0, 4.0 });
const vec = c_ret_vector_4_float();
try expect(vec[0] == 1.0);
try expect(vec[1] == 2.0);
try expect(vec[2] == 3.0);
try expect(vec[3] == 4.0);
}
}
const Vector2Bool = @Vector(2, bool);
const Vector4Bool = @Vector(4, bool);
const Vector8Bool = @Vector(8, bool);