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 {	...	@@ -143,7 +143,8 @@ pub fn classifySystemV(ty: Type, target: Target, ctx: Context) [8]Class {
143	.integer, .integer, .integer, .integer,	143	.integer, .integer, .integer, .integer,
144	.integer, .integer, .integer, .integer,	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	.integer, .integer, .integer, .integer,	148	.integer, .integer, .integer, .integer,
148	.none, .none, .none, .none,	149	.none, .none, .none, .none,
149	};	150	};

test/c_abi/cfuncs.c+13

...	@@ -742,6 +742,19 @@ SmallVec c_ret_small_vec(void) {	...	@@ -742,6 +742,19 @@ SmallVec c_ret_small_vec(void) {
742	return (SmallVec){3, 4};	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	typedef size_t BigVec __attribute__((vector_size(8 * sizeof(size_t))));	758	typedef size_t BigVec __attribute__((vector_size(8 * sizeof(size_t))));
746		759
747	void c_big_vec(BigVec vec) {	760	void c_big_vec(BigVec vec) {

test/c_abi/main.zig+17

...	@@ -801,6 +801,23 @@ test "small simd vector" {	...	@@ -801,6 +801,23 @@ test "small simd vector" {
801	try expect(x[1] == 4);	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	const BigVec = @Vector(8, usize);	821	const BigVec = @Vector(8, usize);
805		822
806	extern fn c_big_vec(BigVec) void;	823	extern fn c_big_vec(BigVec) void;