Commit 9f23702c21645aeddd64bcf203bc8b62a328f75f | zig

Closes #13918

3 files changed, 32 insertions(+), 1 deletions(-)

src/arch/x86_64/abi.zig+2-1

...	...	@@ -143,7 +143,8 @@ pub fn classifySystemV(ty: Type, target: Target, ctx: Context) [8]Class {
143	143	.integer, .integer, .integer, .integer,
144	144	.integer, .integer, .integer, .integer,
145	145	};
146		if (has_avx512 and bit_size <= 256) return .{
	146	const has_avx = target.cpu.features.isEnabled(@enumToInt(std.Target.x86.Feature.avx));
	147	if (has_avx and bit_size <= 256) return .{
147	148	.integer, .integer, .integer, .integer,
148	149	.none, .none, .none, .none,
149	150	};

test/c_abi/cfuncs.c+13

...	...	@@ -742,6 +742,19 @@ SmallVec c_ret_small_vec(void) {
742	742	return (SmallVec){3, 4};
743	743	}
744	744
	745	typedef size_t MediumVec __attribute__((vector_size(4 * sizeof(size_t))));
	746
	747	void c_medium_vec(MediumVec vec) {
	748	assert_or_panic(vec[0] == 1);
	749	assert_or_panic(vec[1] == 2);
	750	assert_or_panic(vec[2] == 3);
	751	assert_or_panic(vec[3] == 4);
	752	}
	753
	754	MediumVec c_ret_medium_vec(void) {
	755	return (MediumVec){5, 6, 7, 8};
	756	}
	757
745	758	typedef size_t BigVec __attribute__((vector_size(8 * sizeof(size_t))));
746	759
747	760	void c_big_vec(BigVec vec) {

test/c_abi/main.zig+17

...	...	@@ -801,6 +801,23 @@ test "small simd vector" {
801	801	try expect(x[1] == 4);
802	802	}
803	803
	804	const MediumVec = @Vector(4, usize);
	805
	806	extern fn c_medium_vec(MediumVec) void;
	807	extern fn c_ret_medium_vec() MediumVec;
	808
	809	test "medium simd vector" {
	810	if (comptime builtin.cpu.arch.isPPC64()) return error.SkipZigTest;
	811
	812	c_medium_vec(.{ 1, 2, 3, 4 });
	813
	814	var x = c_ret_medium_vec();
	815	try expect(x[0] == 5);
	816	try expect(x[1] == 6);
	817	try expect(x[2] == 7);
	818	try expect(x[3] == 8);
	819	}
	820
804	821	const BigVec = @Vector(8, usize);
805	822
806	823	extern fn c_big_vec(BigVec) void;