Commit 6235afc63207bae564725adec202fc2e7a3ba930 | zig

2 files changed, 21 insertions(+), 7 deletions(-)

src/stage1/codegen.cpp+3-7

...	...	@@ -4139,13 +4139,9 @@ static LLVMValueRef ir_render_binary_not(CodeGen g, Stage1Air executable,
4139	4139	static LLVMValueRef ir_gen_soft_f80_neg(CodeGen g, ZigType op_type, LLVMValueRef operand) {
4140	4140	uint32_t vector_len = op_type->id == ZigTypeIdVector ? op_type->data.vector.len : 0;
4141	4141
4142		uint64_t buf[2] = {0, 0};
4143		if (g->is_big_endian != native_is_big_endian) {
4144		buf[1] = 0x8000000000000000;
4145		} else {
4146		buf[1] = 0x8000;
4147		}
4148		LLVMValueRef sign_mask = LLVMConstIntOfArbitraryPrecision(LLVMInt128Type(), 2, buf);
	4142	LLVMTypeRef llvm_i80 = LLVMIntType(80);
	4143	LLVMValueRef sign_mask = LLVMConstInt(llvm_i80, 1, false);
	4144	sign_mask = LLVMConstShl(sign_mask, LLVMConstInt(llvm_i80, 79, false));
4149	4145
4150	4146	LLVMValueRef result;
4151	4147	if (vector_len == 0) {

test/behavior/floatop.zig+18

...	...	@@ -448,3 +448,21 @@ fn testTrunc() !void {
448	448	try expect(math.approxEqAbs(f32, @trunc(@as(f32, -0.4)), result[3], epsilon));
449	449	}
450	450	}
	451
	452	test "negation" {
	453	if (builtin.zig_backend != .stage1) return error.SkipZigTest; // TODO
	454	if (builtin.os.tag == .freebsd) return error.SkipZigTest;
	455
	456	const S = struct {
	457	fn doTheTest() !void {
	458	inline for ([_]type{ f16, f32, f64, f80, f128 }) \|T\| {
	459	var a: T = 1;
	460	a = -a;
	461	try expect(a == -1);
	462	}
	463	}
	464	};
	465
	466	try S.doTheTest();
	467	comptime try S.doTheTest();
	468	}