Commit 282e2c714fe36480ac0a4bef38d6209737819229 | zig

author	matu3ba <matu3ba@users.noreply.github.com> 2021-12-04 22:23:33+01:00
committer	GitHub <noreply@github.com> 2021-12-04 16:23:33-05:00
log	282e2c714fe36480ac0a4bef38d6209737819229
tree	3aeb5cc521c8db016d1ba7e1e794772ce4b0dd9c
parent	daa3e0bbb4bcd3f79d5e20f574b5adffc07be7d0
signature	Signed by PGP key 4AEE18F83AFDEB23

compiler_rt: add ffssi2, ffsdi2 and __ffsti2 (#10268)

See #1290

5 files changed, 1060 insertions(+), 0 deletions(-)

lib
- std
  - special
    compiler_rt.zig
    compiler_rt
    count0bits.zig
    ffsdi2_test.zig
    ffssi2_test.zig
    ffsti2_test.zig

lib/std/special/compiler_rt.zig+6

...	...	@@ -244,6 +244,12 @@ comptime {
244	244	@export(__ctzdi2, .{ .name = "__ctzdi2", .linkage = linkage });
245	245	const __ctzti2 = @import("compiler_rt/count0bits.zig").__ctzti2;
246	246	@export(__ctzti2, .{ .name = "__ctzti2", .linkage = linkage });
	247	const __ffssi2 = @import("compiler_rt/count0bits.zig").__ffssi2;
	248	@export(__ffssi2, .{ .name = "__ffssi2", .linkage = linkage });
	249	const __ffsdi2 = @import("compiler_rt/count0bits.zig").__ffsdi2;
	250	@export(__ffsdi2, .{ .name = "__ffsdi2", .linkage = linkage });
	251	const __ffsti2 = @import("compiler_rt/count0bits.zig").__ffsti2;
	252	@export(__ffsti2, .{ .name = "__ffsti2", .linkage = linkage });
247	253
248	254	const __paritysi2 = @import("compiler_rt/parity.zig").__paritysi2;
249	255	@export(__paritysi2, .{ .name = "__paritysi2", .linkage = linkage });

lib/std/special/compiler_rt/count0bits.zig+46

...	...	@@ -9,6 +9,11 @@ const builtin = @import("builtin");
9	9	// ctz - count trailing zeroes
10	10	// - ctzXi2_generic for unoptimized little and big endian
11	11
	12	// ffs - find first set
	13	// * ffs = (a == 0) => 0, (a != 0) => ctz + 1
	14	// * dont pay for `if (x == 0) return shift;` inside ctz
	15	// - ffsXi2_generic for unoptimized little and big endian
	16
12	17	fn clzXi2_generic(comptime T: type) fn (a: T) callconv(.C) i32 {
13	18	return struct {
14	19	fn f(a: T) callconv(.C) i32 {
...	...	@@ -181,6 +186,43 @@ pub const __ctzdi2 = ctzXi2_generic(i64);
181	186
182	187	pub const __ctzti2 = ctzXi2_generic(i128);
183	188
	189	fn ffsXi2_generic(comptime T: type) fn (a: T) callconv(.C) i32 {
	190	return struct {
	191	fn f(a: T) callconv(.C) i32 {
	192	@setRuntimeSafety(builtin.is_test);
	193
	194	var x = switch (@bitSizeOf(T)) {
	195	32 => @bitCast(u32, a),
	196	64 => @bitCast(u64, a),
	197	128 => @bitCast(u128, a),
	198	else => unreachable,
	199	};
	200	var n: T = 1;
	201	// adapted from Number of trailing zeroes (see ctzXi2_generic)
	202	var mask: @TypeOf(x) = std.math.maxInt(@TypeOf(x));
	203	comptime var shift = @bitSizeOf(T);
	204	// In contrast to ctz return 0
	205	if (x == 0) return 0;
	206	inline while (shift > 1) {
	207	shift = shift >> 1;
	208	mask = mask >> shift;
	209	if ((x & mask) == 0) {
	210	n = n + shift;
	211	x = x >> shift;
	212	}
	213	}
	214	// return ctz + 1
	215	return @intCast(i32, n - @bitCast(T, (x & 1))) + @as(i32, 1);
	216	}
	217	}.f;
	218	}
	219
	220	pub const __ffssi2 = ffsXi2_generic(i32);
	221
	222	pub const __ffsdi2 = ffsXi2_generic(i64);
	223
	224	pub const __ffsti2 = ffsXi2_generic(i128);
	225
184	226	test {
185	227	_ = @import("clzsi2_test.zig");
186	228	_ = @import("clzdi2_test.zig");
...	...	@@ -189,4 +231,8 @@ test {
189	231	_ = @import("ctzsi2_test.zig");
190	232	_ = @import("ctzdi2_test.zig");
191	233	_ = @import("ctzti2_test.zig");
	234
	235	_ = @import("ffssi2_test.zig");
	236	_ = @import("ffsdi2_test.zig");
	237	_ = @import("ffsti2_test.zig");
192	238	}

lib/std/special/compiler_rt/ffsdi2_test.zig created+325

...	...	@@ -0,0 +1,325 @@
	1	const ffs = @import("count0bits.zig");
	2	const testing = @import("std").testing;
	3
	4	fn test__ffsdi2(a: u64, expected: i32) !void {
	5	var x = @bitCast(i64, a);
	6	var result = ffs.__ffsdi2(x);
	7	try testing.expectEqual(expected, result);
	8	}
	9
	10	test "ffsdi2" {
	11	try test__ffsdi2(0x00000000_00000001, 1);
	12	try test__ffsdi2(0x00000000_00000002, 2);
	13	try test__ffsdi2(0x00000000_00000003, 1);
	14	try test__ffsdi2(0x00000000_00000004, 3);
	15	try test__ffsdi2(0x00000000_00000005, 1);
	16	try test__ffsdi2(0x00000000_00000006, 2);
	17	try test__ffsdi2(0x00000000_00000007, 1);
	18	try test__ffsdi2(0x00000000_00000008, 4);
	19	try test__ffsdi2(0x00000000_00000009, 1);
	20	try test__ffsdi2(0x00000000_0000000A, 2);
	21	try test__ffsdi2(0x00000000_0000000B, 1);
	22	try test__ffsdi2(0x00000000_0000000C, 3);
	23	try test__ffsdi2(0x00000000_0000000D, 1);
	24	try test__ffsdi2(0x00000000_0000000E, 2);
	25	try test__ffsdi2(0x00000000_0000000F, 1);
	26	try test__ffsdi2(0x00000000_00000010, 5);
	27	try test__ffsdi2(0x00000000_00000011, 1);
	28	try test__ffsdi2(0x00000000_00000012, 2);
	29	try test__ffsdi2(0x00000000_00000013, 1);
	30	try test__ffsdi2(0x00000000_00000014, 3);
	31	try test__ffsdi2(0x00000000_00000015, 1);
	32	try test__ffsdi2(0x00000000_00000016, 2);
	33	try test__ffsdi2(0x00000000_00000017, 1);
	34	try test__ffsdi2(0x00000000_00000018, 4);
	35	try test__ffsdi2(0x00000000_00000019, 1);
	36	try test__ffsdi2(0x00000000_0000001A, 2);
	37	try test__ffsdi2(0x00000000_0000001B, 1);
	38	try test__ffsdi2(0x00000000_0000001C, 3);
	39	try test__ffsdi2(0x00000000_0000001D, 1);
	40	try test__ffsdi2(0x00000000_0000001E, 2);
	41	try test__ffsdi2(0x00000000_0000001F, 1);
	42	try test__ffsdi2(0x00000000_00000020, 6);
	43	try test__ffsdi2(0x00000000_00000021, 1);
	44	try test__ffsdi2(0x00000000_00000022, 2);
	45	try test__ffsdi2(0x00000000_00000023, 1);
	46	try test__ffsdi2(0x00000000_00000024, 3);
	47	try test__ffsdi2(0x00000000_00000025, 1);
	48	try test__ffsdi2(0x00000000_00000026, 2);
	49	try test__ffsdi2(0x00000000_00000027, 1);
	50	try test__ffsdi2(0x00000000_00000028, 4);
	51	try test__ffsdi2(0x00000000_00000029, 1);
	52	try test__ffsdi2(0x00000000_0000002A, 2);
	53	try test__ffsdi2(0x00000000_0000002B, 1);
	54	try test__ffsdi2(0x00000000_0000002C, 3);
	55	try test__ffsdi2(0x00000000_0000002D, 1);
	56	try test__ffsdi2(0x00000000_0000002E, 2);
	57	try test__ffsdi2(0x00000000_0000002F, 1);
	58	try test__ffsdi2(0x00000000_00000030, 5);
	59	try test__ffsdi2(0x00000000_00000031, 1);
	60	try test__ffsdi2(0x00000000_00000032, 2);
	61	try test__ffsdi2(0x00000000_00000033, 1);
	62	try test__ffsdi2(0x00000000_00000034, 3);
	63	try test__ffsdi2(0x00000000_00000035, 1);
	64	try test__ffsdi2(0x00000000_00000036, 2);
	65	try test__ffsdi2(0x00000000_00000037, 1);
	66	try test__ffsdi2(0x00000000_00000038, 4);
	67	try test__ffsdi2(0x00000000_00000039, 1);
	68	try test__ffsdi2(0x00000000_0000003A, 2);
	69	try test__ffsdi2(0x00000000_0000003B, 1);
	70	try test__ffsdi2(0x00000000_0000003C, 3);
	71	try test__ffsdi2(0x00000000_0000003D, 1);
	72	try test__ffsdi2(0x00000000_0000003E, 2);
	73	try test__ffsdi2(0x00000000_0000003F, 1);
	74	try test__ffsdi2(0x00000000_00000040, 7);
	75	try test__ffsdi2(0x00000000_00000041, 1);
	76	try test__ffsdi2(0x00000000_00000042, 2);
	77	try test__ffsdi2(0x00000000_00000043, 1);
	78	try test__ffsdi2(0x00000000_00000044, 3);
	79	try test__ffsdi2(0x00000000_00000045, 1);
	80	try test__ffsdi2(0x00000000_00000046, 2);
	81	try test__ffsdi2(0x00000000_00000047, 1);
	82	try test__ffsdi2(0x00000000_00000048, 4);
	83	try test__ffsdi2(0x00000000_00000049, 1);
	84	try test__ffsdi2(0x00000000_0000004A, 2);
	85	try test__ffsdi2(0x00000000_0000004B, 1);
	86	try test__ffsdi2(0x00000000_0000004C, 3);
	87	try test__ffsdi2(0x00000000_0000004D, 1);
	88	try test__ffsdi2(0x00000000_0000004E, 2);
	89	try test__ffsdi2(0x00000000_0000004F, 1);
	90	try test__ffsdi2(0x00000000_00000050, 5);
	91	try test__ffsdi2(0x00000000_00000051, 1);
	92	try test__ffsdi2(0x00000000_00000052, 2);
	93	try test__ffsdi2(0x00000000_00000053, 1);
	94	try test__ffsdi2(0x00000000_00000054, 3);
	95	try test__ffsdi2(0x00000000_00000055, 1);
	96	try test__ffsdi2(0x00000000_00000056, 2);
	97	try test__ffsdi2(0x00000000_00000057, 1);
	98	try test__ffsdi2(0x00000000_00000058, 4);
	99	try test__ffsdi2(0x00000000_00000059, 1);
	100	try test__ffsdi2(0x00000000_0000005A, 2);
	101	try test__ffsdi2(0x00000000_0000005B, 1);
	102	try test__ffsdi2(0x00000000_0000005C, 3);
	103	try test__ffsdi2(0x00000000_0000005D, 1);
	104	try test__ffsdi2(0x00000000_0000005E, 2);
	105	try test__ffsdi2(0x00000000_0000005F, 1);
	106	try test__ffsdi2(0x00000000_00000060, 6);
	107	try test__ffsdi2(0x00000000_00000061, 1);
	108	try test__ffsdi2(0x00000000_00000062, 2);
	109	try test__ffsdi2(0x00000000_00000063, 1);
	110	try test__ffsdi2(0x00000000_00000064, 3);
	111	try test__ffsdi2(0x00000000_00000065, 1);
	112	try test__ffsdi2(0x00000000_00000066, 2);
	113	try test__ffsdi2(0x00000000_00000067, 1);
	114	try test__ffsdi2(0x00000000_00000068, 4);
	115	try test__ffsdi2(0x00000000_00000069, 1);
	116	try test__ffsdi2(0x00000000_0000006A, 2);
	117	try test__ffsdi2(0x00000000_0000006B, 1);
	118	try test__ffsdi2(0x00000000_0000006C, 3);
	119	try test__ffsdi2(0x00000000_0000006D, 1);
	120	try test__ffsdi2(0x00000000_0000006E, 2);
	121	try test__ffsdi2(0x00000000_0000006F, 1);
	122	try test__ffsdi2(0x00000000_00000070, 5);
	123	try test__ffsdi2(0x00000000_00000071, 1);
	124	try test__ffsdi2(0x00000000_00000072, 2);
	125	try test__ffsdi2(0x00000000_00000073, 1);
	126	try test__ffsdi2(0x00000000_00000074, 3);
	127	try test__ffsdi2(0x00000000_00000075, 1);
	128	try test__ffsdi2(0x00000000_00000076, 2);
	129	try test__ffsdi2(0x00000000_00000077, 1);
	130	try test__ffsdi2(0x00000000_00000078, 4);
	131	try test__ffsdi2(0x00000000_00000079, 1);
	132	try test__ffsdi2(0x00000000_0000007A, 2);
	133	try test__ffsdi2(0x00000000_0000007B, 1);
	134	try test__ffsdi2(0x00000000_0000007C, 3);
	135	try test__ffsdi2(0x00000000_0000007D, 1);
	136	try test__ffsdi2(0x00000000_0000007E, 2);
	137	try test__ffsdi2(0x00000000_0000007F, 1);
	138	try test__ffsdi2(0x00000000_00000080, 8);
	139	try test__ffsdi2(0x00000000_00000081, 1);
	140	try test__ffsdi2(0x00000000_00000082, 2);
	141	try test__ffsdi2(0x00000000_00000083, 1);
	142	try test__ffsdi2(0x00000000_00000084, 3);
	143	try test__ffsdi2(0x00000000_00000085, 1);
	144	try test__ffsdi2(0x00000000_00000086, 2);
	145	try test__ffsdi2(0x00000000_00000087, 1);
	146	try test__ffsdi2(0x00000000_00000088, 4);
	147	try test__ffsdi2(0x00000000_00000089, 1);
	148	try test__ffsdi2(0x00000000_0000008A, 2);
	149	try test__ffsdi2(0x00000000_0000008B, 1);
	150	try test__ffsdi2(0x00000000_0000008C, 3);
	151	try test__ffsdi2(0x00000000_0000008D, 1);
	152	try test__ffsdi2(0x00000000_0000008E, 2);
	153	try test__ffsdi2(0x00000000_0000008F, 1);
	154	try test__ffsdi2(0x00000000_00000090, 5);
	155	try test__ffsdi2(0x00000000_00000091, 1);
	156	try test__ffsdi2(0x00000000_00000092, 2);
	157	try test__ffsdi2(0x00000000_00000093, 1);
	158	try test__ffsdi2(0x00000000_00000094, 3);
	159	try test__ffsdi2(0x00000000_00000095, 1);
	160	try test__ffsdi2(0x00000000_00000096, 2);
	161	try test__ffsdi2(0x00000000_00000097, 1);
	162	try test__ffsdi2(0x00000000_00000098, 4);
	163	try test__ffsdi2(0x00000000_00000099, 1);
	164	try test__ffsdi2(0x00000000_0000009A, 2);
	165	try test__ffsdi2(0x00000000_0000009B, 1);
	166	try test__ffsdi2(0x00000000_0000009C, 3);
	167	try test__ffsdi2(0x00000000_0000009D, 1);
	168	try test__ffsdi2(0x00000000_0000009E, 2);
	169	try test__ffsdi2(0x00000000_0000009F, 1);
	170	try test__ffsdi2(0x00000000_000000A0, 6);
	171	try test__ffsdi2(0x00000000_000000A1, 1);
	172	try test__ffsdi2(0x00000000_000000A2, 2);
	173	try test__ffsdi2(0x00000000_000000A3, 1);
	174	try test__ffsdi2(0x00000000_000000A4, 3);
	175	try test__ffsdi2(0x00000000_000000A5, 1);
	176	try test__ffsdi2(0x00000000_000000A6, 2);
	177	try test__ffsdi2(0x00000000_000000A7, 1);
	178	try test__ffsdi2(0x00000000_000000A8, 4);
	179	try test__ffsdi2(0x00000000_000000A9, 1);
	180	try test__ffsdi2(0x00000000_000000AA, 2);
	181	try test__ffsdi2(0x00000000_000000AB, 1);
	182	try test__ffsdi2(0x00000000_000000AC, 3);
	183	try test__ffsdi2(0x00000000_000000AD, 1);
	184	try test__ffsdi2(0x00000000_000000AE, 2);
	185	try test__ffsdi2(0x00000000_000000AF, 1);
	186	try test__ffsdi2(0x00000000_000000B0, 5);
	187	try test__ffsdi2(0x00000000_000000B1, 1);
	188	try test__ffsdi2(0x00000000_000000B2, 2);
	189	try test__ffsdi2(0x00000000_000000B3, 1);
	190	try test__ffsdi2(0x00000000_000000B4, 3);
	191	try test__ffsdi2(0x00000000_000000B5, 1);
	192	try test__ffsdi2(0x00000000_000000B6, 2);
	193	try test__ffsdi2(0x00000000_000000B7, 1);
	194	try test__ffsdi2(0x00000000_000000B8, 4);
	195	try test__ffsdi2(0x00000000_000000B9, 1);
	196	try test__ffsdi2(0x00000000_000000BA, 2);
	197	try test__ffsdi2(0x00000000_000000BB, 1);
	198	try test__ffsdi2(0x00000000_000000BC, 3);
	199	try test__ffsdi2(0x00000000_000000BD, 1);
	200	try test__ffsdi2(0x00000000_000000BE, 2);
	201	try test__ffsdi2(0x00000000_000000BF, 1);
	202	try test__ffsdi2(0x00000000_000000C0, 7);
	203	try test__ffsdi2(0x00000000_000000C1, 1);
	204	try test__ffsdi2(0x00000000_000000C2, 2);
	205	try test__ffsdi2(0x00000000_000000C3, 1);
	206	try test__ffsdi2(0x00000000_000000C4, 3);
	207	try test__ffsdi2(0x00000000_000000C5, 1);
	208	try test__ffsdi2(0x00000000_000000C6, 2);
	209	try test__ffsdi2(0x00000000_000000C7, 1);
	210	try test__ffsdi2(0x00000000_000000C8, 4);
	211	try test__ffsdi2(0x00000000_000000C9, 1);
	212	try test__ffsdi2(0x00000000_000000CA, 2);
	213	try test__ffsdi2(0x00000000_000000CB, 1);
	214	try test__ffsdi2(0x00000000_000000CC, 3);
	215	try test__ffsdi2(0x00000000_000000CD, 1);
	216	try test__ffsdi2(0x00000000_000000CE, 2);
	217	try test__ffsdi2(0x00000000_000000CF, 1);
	218	try test__ffsdi2(0x00000000_000000D0, 5);
	219	try test__ffsdi2(0x00000000_000000D1, 1);
	220	try test__ffsdi2(0x00000000_000000D2, 2);
	221	try test__ffsdi2(0x00000000_000000D3, 1);
	222	try test__ffsdi2(0x00000000_000000D4, 3);
	223	try test__ffsdi2(0x00000000_000000D5, 1);
	224	try test__ffsdi2(0x00000000_000000D6, 2);
	225	try test__ffsdi2(0x00000000_000000D7, 1);
	226	try test__ffsdi2(0x00000000_000000D8, 4);
	227	try test__ffsdi2(0x00000000_000000D9, 1);
	228	try test__ffsdi2(0x00000000_000000DA, 2);
	229	try test__ffsdi2(0x00000000_000000DB, 1);
	230	try test__ffsdi2(0x00000000_000000DC, 3);
	231	try test__ffsdi2(0x00000000_000000DD, 1);
	232	try test__ffsdi2(0x00000000_000000DE, 2);
	233	try test__ffsdi2(0x00000000_000000DF, 1);
	234	try test__ffsdi2(0x00000000_000000E0, 6);
	235	try test__ffsdi2(0x00000000_000000E1, 1);
	236	try test__ffsdi2(0x00000000_000000E2, 2);
	237	try test__ffsdi2(0x00000000_000000E3, 1);
	238	try test__ffsdi2(0x00000000_000000E4, 3);
	239	try test__ffsdi2(0x00000000_000000E5, 1);
	240	try test__ffsdi2(0x00000000_000000E6, 2);
	241	try test__ffsdi2(0x00000000_000000E7, 1);
	242	try test__ffsdi2(0x00000000_000000E8, 4);
	243	try test__ffsdi2(0x00000000_000000E9, 1);
	244	try test__ffsdi2(0x00000000_000000EA, 2);
	245	try test__ffsdi2(0x00000000_000000EB, 1);
	246	try test__ffsdi2(0x00000000_000000EC, 3);
	247	try test__ffsdi2(0x00000000_000000ED, 1);
	248	try test__ffsdi2(0x00000000_000000EE, 2);
	249	try test__ffsdi2(0x00000000_000000EF, 1);
	250	try test__ffsdi2(0x00000000_000000F0, 5);
	251	try test__ffsdi2(0x00000000_000000F1, 1);
	252	try test__ffsdi2(0x00000000_000000F2, 2);
	253	try test__ffsdi2(0x00000000_000000F3, 1);
	254	try test__ffsdi2(0x00000000_000000F4, 3);
	255	try test__ffsdi2(0x00000000_000000F5, 1);
	256	try test__ffsdi2(0x00000000_000000F6, 2);
	257	try test__ffsdi2(0x00000000_000000F7, 1);
	258	try test__ffsdi2(0x00000000_000000F8, 4);
	259	try test__ffsdi2(0x00000000_000000F9, 1);
	260	try test__ffsdi2(0x00000000_000000FA, 2);
	261	try test__ffsdi2(0x00000000_000000FB, 1);
	262	try test__ffsdi2(0x00000000_000000FC, 3);
	263	try test__ffsdi2(0x00000000_000000FD, 1);
	264	try test__ffsdi2(0x00000000_000000FE, 2);
	265	try test__ffsdi2(0x00000000_000000FF, 1);
	266
	267	try test__ffsdi2(0x00000000_00000000, 0);
	268	try test__ffsdi2(0x80000000_00000000, 64);
	269	try test__ffsdi2(0x40000000_00000000, 63);
	270	try test__ffsdi2(0x20000000_00000000, 62);
	271	try test__ffsdi2(0x10000000_00000000, 61);
	272	try test__ffsdi2(0x08000000_00000000, 60);
	273	try test__ffsdi2(0x04000000_00000000, 59);
	274	try test__ffsdi2(0x02000000_00000000, 58);
	275	try test__ffsdi2(0x01000000_00000000, 57);
	276	try test__ffsdi2(0x00800000_00000000, 56);
	277	try test__ffsdi2(0x00400000_00000000, 55);
	278	try test__ffsdi2(0x00200000_00000000, 54);
	279	try test__ffsdi2(0x00100000_00000000, 53);
	280	try test__ffsdi2(0x00080000_00000000, 52);
	281	try test__ffsdi2(0x00040000_00000000, 51);
	282	try test__ffsdi2(0x00020000_00000000, 50);
	283	try test__ffsdi2(0x00010000_00000000, 49);
	284	try test__ffsdi2(0x00008000_00000000, 48);
	285	try test__ffsdi2(0x00004000_00000000, 47);
	286	try test__ffsdi2(0x00002000_00000000, 46);
	287	try test__ffsdi2(0x00001000_00000000, 45);
	288	try test__ffsdi2(0x00000800_00000000, 44);
	289	try test__ffsdi2(0x00000400_00000000, 43);
	290	try test__ffsdi2(0x00000200_00000000, 42);
	291	try test__ffsdi2(0x00000100_00000000, 41);
	292	try test__ffsdi2(0x00000080_00000000, 40);
	293	try test__ffsdi2(0x00000040_00000000, 39);
	294	try test__ffsdi2(0x00000020_00000000, 38);
	295	try test__ffsdi2(0x00000010_00000000, 37);
	296	try test__ffsdi2(0x00000008_00000000, 36);
	297	try test__ffsdi2(0x00000004_00000000, 35);
	298	try test__ffsdi2(0x00000002_00000000, 34);
	299	try test__ffsdi2(0x00000001_00000000, 33);
	300
	301	try test__ffsdi2(0x00000000_80000000, 32);
	302	try test__ffsdi2(0x00000000_40000000, 31);
	303	try test__ffsdi2(0x00000000_20000000, 30);
	304	try test__ffsdi2(0x00000000_10000000, 29);
	305	try test__ffsdi2(0x00000000_08000000, 28);
	306	try test__ffsdi2(0x00000000_04000000, 27);
	307	try test__ffsdi2(0x00000000_02000000, 26);
	308	try test__ffsdi2(0x00000000_01000000, 25);
	309	try test__ffsdi2(0x00000000_00800000, 24);
	310	try test__ffsdi2(0x00000000_00400000, 23);
	311	try test__ffsdi2(0x00000000_00200000, 22);
	312	try test__ffsdi2(0x00000000_00100000, 21);
	313	try test__ffsdi2(0x00000000_00080000, 20);
	314	try test__ffsdi2(0x00000000_00040000, 19);
	315	try test__ffsdi2(0x00000000_00020000, 18);
	316	try test__ffsdi2(0x00000000_00010000, 17);
	317	try test__ffsdi2(0x00000000_00008000, 16);
	318	try test__ffsdi2(0x00000000_00004000, 15);
	319	try test__ffsdi2(0x00000000_00002000, 14);
	320	try test__ffsdi2(0x00000000_00001000, 13);
	321	try test__ffsdi2(0x00000000_00000800, 12);
	322	try test__ffsdi2(0x00000000_00000400, 11);
	323	try test__ffsdi2(0x00000000_00000200, 10);
	324	try test__ffsdi2(0x00000000_00000100, 9);
	325	}

lib/std/special/compiler_rt/ffssi2_test.zig created+292

...	...	@@ -0,0 +1,292 @@
	1	const ffs = @import("count0bits.zig");
	2	const testing = @import("std").testing;
	3
	4	fn test__ffssi2(a: u32, expected: i32) !void {
	5	var x = @bitCast(i32, a);
	6	var result = ffs.__ffssi2(x);
	7	try testing.expectEqual(expected, result);
	8	}
	9
	10	test "ffssi2" {
	11	try test__ffssi2(0x00000001, 1);
	12	try test__ffssi2(0x00000002, 2);
	13	try test__ffssi2(0x00000003, 1);
	14	try test__ffssi2(0x00000004, 3);
	15	try test__ffssi2(0x00000005, 1);
	16	try test__ffssi2(0x00000006, 2);
	17	try test__ffssi2(0x00000007, 1);
	18	try test__ffssi2(0x00000008, 4);
	19	try test__ffssi2(0x00000009, 1);
	20	try test__ffssi2(0x0000000A, 2);
	21	try test__ffssi2(0x0000000B, 1);
	22	try test__ffssi2(0x0000000C, 3);
	23	try test__ffssi2(0x0000000D, 1);
	24	try test__ffssi2(0x0000000E, 2);
	25	try test__ffssi2(0x0000000F, 1);
	26	try test__ffssi2(0x00000010, 5);
	27	try test__ffssi2(0x00000011, 1);
	28	try test__ffssi2(0x00000012, 2);
	29	try test__ffssi2(0x00000013, 1);
	30	try test__ffssi2(0x00000014, 3);
	31	try test__ffssi2(0x00000015, 1);
	32	try test__ffssi2(0x00000016, 2);
	33	try test__ffssi2(0x00000017, 1);
	34	try test__ffssi2(0x00000018, 4);
	35	try test__ffssi2(0x00000019, 1);
	36	try test__ffssi2(0x0000001A, 2);
	37	try test__ffssi2(0x0000001B, 1);
	38	try test__ffssi2(0x0000001C, 3);
	39	try test__ffssi2(0x0000001D, 1);
	40	try test__ffssi2(0x0000001E, 2);
	41	try test__ffssi2(0x0000001F, 1);
	42	try test__ffssi2(0x00000020, 6);
	43	try test__ffssi2(0x00000021, 1);
	44	try test__ffssi2(0x00000022, 2);
	45	try test__ffssi2(0x00000023, 1);
	46	try test__ffssi2(0x00000024, 3);
	47	try test__ffssi2(0x00000025, 1);
	48	try test__ffssi2(0x00000026, 2);
	49	try test__ffssi2(0x00000027, 1);
	50	try test__ffssi2(0x00000028, 4);
	51	try test__ffssi2(0x00000029, 1);
	52	try test__ffssi2(0x0000002A, 2);
	53	try test__ffssi2(0x0000002B, 1);
	54	try test__ffssi2(0x0000002C, 3);
	55	try test__ffssi2(0x0000002D, 1);
	56	try test__ffssi2(0x0000002E, 2);
	57	try test__ffssi2(0x0000002F, 1);
	58	try test__ffssi2(0x00000030, 5);
	59	try test__ffssi2(0x00000031, 1);
	60	try test__ffssi2(0x00000032, 2);
	61	try test__ffssi2(0x00000033, 1);
	62	try test__ffssi2(0x00000034, 3);
	63	try test__ffssi2(0x00000035, 1);
	64	try test__ffssi2(0x00000036, 2);
	65	try test__ffssi2(0x00000037, 1);
	66	try test__ffssi2(0x00000038, 4);
	67	try test__ffssi2(0x00000039, 1);
	68	try test__ffssi2(0x0000003A, 2);
	69	try test__ffssi2(0x0000003B, 1);
	70	try test__ffssi2(0x0000003C, 3);
	71	try test__ffssi2(0x0000003D, 1);
	72	try test__ffssi2(0x0000003E, 2);
	73	try test__ffssi2(0x0000003F, 1);
	74	try test__ffssi2(0x00000040, 7);
	75	try test__ffssi2(0x00000041, 1);
	76	try test__ffssi2(0x00000042, 2);
	77	try test__ffssi2(0x00000043, 1);
	78	try test__ffssi2(0x00000044, 3);
	79	try test__ffssi2(0x00000045, 1);
	80	try test__ffssi2(0x00000046, 2);
	81	try test__ffssi2(0x00000047, 1);
	82	try test__ffssi2(0x00000048, 4);
	83	try test__ffssi2(0x00000049, 1);
	84	try test__ffssi2(0x0000004A, 2);
	85	try test__ffssi2(0x0000004B, 1);
	86	try test__ffssi2(0x0000004C, 3);
	87	try test__ffssi2(0x0000004D, 1);
	88	try test__ffssi2(0x0000004E, 2);
	89	try test__ffssi2(0x0000004F, 1);
	90	try test__ffssi2(0x00000050, 5);
	91	try test__ffssi2(0x00000051, 1);
	92	try test__ffssi2(0x00000052, 2);
	93	try test__ffssi2(0x00000053, 1);
	94	try test__ffssi2(0x00000054, 3);
	95	try test__ffssi2(0x00000055, 1);
	96	try test__ffssi2(0x00000056, 2);
	97	try test__ffssi2(0x00000057, 1);
	98	try test__ffssi2(0x00000058, 4);
	99	try test__ffssi2(0x00000059, 1);
	100	try test__ffssi2(0x0000005A, 2);
	101	try test__ffssi2(0x0000005B, 1);
	102	try test__ffssi2(0x0000005C, 3);
	103	try test__ffssi2(0x0000005D, 1);
	104	try test__ffssi2(0x0000005E, 2);
	105	try test__ffssi2(0x0000005F, 1);
	106	try test__ffssi2(0x00000060, 6);
	107	try test__ffssi2(0x00000061, 1);
	108	try test__ffssi2(0x00000062, 2);
	109	try test__ffssi2(0x00000063, 1);
	110	try test__ffssi2(0x00000064, 3);
	111	try test__ffssi2(0x00000065, 1);
	112	try test__ffssi2(0x00000066, 2);
	113	try test__ffssi2(0x00000067, 1);
	114	try test__ffssi2(0x00000068, 4);
	115	try test__ffssi2(0x00000069, 1);
	116	try test__ffssi2(0x0000006A, 2);
	117	try test__ffssi2(0x0000006B, 1);
	118	try test__ffssi2(0x0000006C, 3);
	119	try test__ffssi2(0x0000006D, 1);
	120	try test__ffssi2(0x0000006E, 2);
	121	try test__ffssi2(0x0000006F, 1);
	122	try test__ffssi2(0x00000070, 5);
	123	try test__ffssi2(0x00000071, 1);
	124	try test__ffssi2(0x00000072, 2);
	125	try test__ffssi2(0x00000073, 1);
	126	try test__ffssi2(0x00000074, 3);
	127	try test__ffssi2(0x00000075, 1);
	128	try test__ffssi2(0x00000076, 2);
	129	try test__ffssi2(0x00000077, 1);
	130	try test__ffssi2(0x00000078, 4);
	131	try test__ffssi2(0x00000079, 1);
	132	try test__ffssi2(0x0000007A, 2);
	133	try test__ffssi2(0x0000007B, 1);
	134	try test__ffssi2(0x0000007C, 3);
	135	try test__ffssi2(0x0000007D, 1);
	136	try test__ffssi2(0x0000007E, 2);
	137	try test__ffssi2(0x0000007F, 1);
	138	try test__ffssi2(0x00000080, 8);
	139	try test__ffssi2(0x00000081, 1);
	140	try test__ffssi2(0x00000082, 2);
	141	try test__ffssi2(0x00000083, 1);
	142	try test__ffssi2(0x00000084, 3);
	143	try test__ffssi2(0x00000085, 1);
	144	try test__ffssi2(0x00000086, 2);
	145	try test__ffssi2(0x00000087, 1);
	146	try test__ffssi2(0x00000088, 4);
	147	try test__ffssi2(0x00000089, 1);
	148	try test__ffssi2(0x0000008A, 2);
	149	try test__ffssi2(0x0000008B, 1);
	150	try test__ffssi2(0x0000008C, 3);
	151	try test__ffssi2(0x0000008D, 1);
	152	try test__ffssi2(0x0000008E, 2);
	153	try test__ffssi2(0x0000008F, 1);
	154	try test__ffssi2(0x00000090, 5);
	155	try test__ffssi2(0x00000091, 1);
	156	try test__ffssi2(0x00000092, 2);
	157	try test__ffssi2(0x00000093, 1);
	158	try test__ffssi2(0x00000094, 3);
	159	try test__ffssi2(0x00000095, 1);
	160	try test__ffssi2(0x00000096, 2);
	161	try test__ffssi2(0x00000097, 1);
	162	try test__ffssi2(0x00000098, 4);
	163	try test__ffssi2(0x00000099, 1);
	164	try test__ffssi2(0x0000009A, 2);
	165	try test__ffssi2(0x0000009B, 1);
	166	try test__ffssi2(0x0000009C, 3);
	167	try test__ffssi2(0x0000009D, 1);
	168	try test__ffssi2(0x0000009E, 2);
	169	try test__ffssi2(0x0000009F, 1);
	170	try test__ffssi2(0x000000A0, 6);
	171	try test__ffssi2(0x000000A1, 1);
	172	try test__ffssi2(0x000000A2, 2);
	173	try test__ffssi2(0x000000A3, 1);
	174	try test__ffssi2(0x000000A4, 3);
	175	try test__ffssi2(0x000000A5, 1);
	176	try test__ffssi2(0x000000A6, 2);
	177	try test__ffssi2(0x000000A7, 1);
	178	try test__ffssi2(0x000000A8, 4);
	179	try test__ffssi2(0x000000A9, 1);
	180	try test__ffssi2(0x000000AA, 2);
	181	try test__ffssi2(0x000000AB, 1);
	182	try test__ffssi2(0x000000AC, 3);
	183	try test__ffssi2(0x000000AD, 1);
	184	try test__ffssi2(0x000000AE, 2);
	185	try test__ffssi2(0x000000AF, 1);
	186	try test__ffssi2(0x000000B0, 5);
	187	try test__ffssi2(0x000000B1, 1);
	188	try test__ffssi2(0x000000B2, 2);
	189	try test__ffssi2(0x000000B3, 1);
	190	try test__ffssi2(0x000000B4, 3);
	191	try test__ffssi2(0x000000B5, 1);
	192	try test__ffssi2(0x000000B6, 2);
	193	try test__ffssi2(0x000000B7, 1);
	194	try test__ffssi2(0x000000B8, 4);
	195	try test__ffssi2(0x000000B9, 1);
	196	try test__ffssi2(0x000000BA, 2);
	197	try test__ffssi2(0x000000BB, 1);
	198	try test__ffssi2(0x000000BC, 3);
	199	try test__ffssi2(0x000000BD, 1);
	200	try test__ffssi2(0x000000BE, 2);
	201	try test__ffssi2(0x000000BF, 1);
	202	try test__ffssi2(0x000000C0, 7);
	203	try test__ffssi2(0x000000C1, 1);
	204	try test__ffssi2(0x000000C2, 2);
	205	try test__ffssi2(0x000000C3, 1);
	206	try test__ffssi2(0x000000C4, 3);
	207	try test__ffssi2(0x000000C5, 1);
	208	try test__ffssi2(0x000000C6, 2);
	209	try test__ffssi2(0x000000C7, 1);
	210	try test__ffssi2(0x000000C8, 4);
	211	try test__ffssi2(0x000000C9, 1);
	212	try test__ffssi2(0x000000CA, 2);
	213	try test__ffssi2(0x000000CB, 1);
	214	try test__ffssi2(0x000000CC, 3);
	215	try test__ffssi2(0x000000CD, 1);
	216	try test__ffssi2(0x000000CE, 2);
	217	try test__ffssi2(0x000000CF, 1);
	218	try test__ffssi2(0x000000D0, 5);
	219	try test__ffssi2(0x000000D1, 1);
	220	try test__ffssi2(0x000000D2, 2);
	221	try test__ffssi2(0x000000D3, 1);
	222	try test__ffssi2(0x000000D4, 3);
	223	try test__ffssi2(0x000000D5, 1);
	224	try test__ffssi2(0x000000D6, 2);
	225	try test__ffssi2(0x000000D7, 1);
	226	try test__ffssi2(0x000000D8, 4);
	227	try test__ffssi2(0x000000D9, 1);
	228	try test__ffssi2(0x000000DA, 2);
	229	try test__ffssi2(0x000000DB, 1);
	230	try test__ffssi2(0x000000DC, 3);
	231	try test__ffssi2(0x000000DD, 1);
	232	try test__ffssi2(0x000000DE, 2);
	233	try test__ffssi2(0x000000DF, 1);
	234	try test__ffssi2(0x000000E0, 6);
	235	try test__ffssi2(0x000000E1, 1);
	236	try test__ffssi2(0x000000E2, 2);
	237	try test__ffssi2(0x000000E3, 1);
	238	try test__ffssi2(0x000000E4, 3);
	239	try test__ffssi2(0x000000E5, 1);
	240	try test__ffssi2(0x000000E6, 2);
	241	try test__ffssi2(0x000000E7, 1);
	242	try test__ffssi2(0x000000E8, 4);
	243	try test__ffssi2(0x000000E9, 1);
	244	try test__ffssi2(0x000000EA, 2);
	245	try test__ffssi2(0x000000EB, 1);
	246	try test__ffssi2(0x000000EC, 3);
	247	try test__ffssi2(0x000000ED, 1);
	248	try test__ffssi2(0x000000EE, 2);
	249	try test__ffssi2(0x000000EF, 1);
	250	try test__ffssi2(0x000000F0, 5);
	251	try test__ffssi2(0x000000F1, 1);
	252	try test__ffssi2(0x000000F2, 2);
	253	try test__ffssi2(0x000000F3, 1);
	254	try test__ffssi2(0x000000F4, 3);
	255	try test__ffssi2(0x000000F5, 1);
	256	try test__ffssi2(0x000000F6, 2);
	257	try test__ffssi2(0x000000F7, 1);
	258	try test__ffssi2(0x000000F8, 4);
	259	try test__ffssi2(0x000000F9, 1);
	260	try test__ffssi2(0x000000FA, 2);
	261	try test__ffssi2(0x000000FB, 1);
	262	try test__ffssi2(0x000000FC, 3);
	263	try test__ffssi2(0x000000FD, 1);
	264	try test__ffssi2(0x000000FE, 2);
	265	try test__ffssi2(0x000000FF, 1);
	266
	267	try test__ffssi2(0x00000000, 0);
	268	try test__ffssi2(0x80000000, 32);
	269	try test__ffssi2(0x40000000, 31);
	270	try test__ffssi2(0x20000000, 30);
	271	try test__ffssi2(0x10000000, 29);
	272	try test__ffssi2(0x08000000, 28);
	273	try test__ffssi2(0x04000000, 27);
	274	try test__ffssi2(0x02000000, 26);
	275	try test__ffssi2(0x01000000, 25);
	276	try test__ffssi2(0x00800000, 24);
	277	try test__ffssi2(0x00400000, 23);
	278	try test__ffssi2(0x00200000, 22);
	279	try test__ffssi2(0x00100000, 21);
	280	try test__ffssi2(0x00080000, 20);
	281	try test__ffssi2(0x00040000, 19);
	282	try test__ffssi2(0x00020000, 18);
	283	try test__ffssi2(0x00010000, 17);
	284	try test__ffssi2(0x00008000, 16);
	285	try test__ffssi2(0x00004000, 15);
	286	try test__ffssi2(0x00002000, 14);
	287	try test__ffssi2(0x00001000, 13);
	288	try test__ffssi2(0x00000800, 12);
	289	try test__ffssi2(0x00000400, 11);
	290	try test__ffssi2(0x00000200, 10);
	291	try test__ffssi2(0x00000100, 9);
	292	}

lib/std/special/compiler_rt/ffsti2_test.zig created+391

...	...	@@ -0,0 +1,391 @@
	1	const ffs = @import("count0bits.zig");
	2	const testing = @import("std").testing;
	3
	4	fn test__ffsti2(a: u128, expected: i32) !void {
	5	var x = @bitCast(i128, a);
	6	var result = ffs.__ffsti2(x);
	7	try testing.expectEqual(expected, result);
	8	}
	9
	10	test "ffsti2" {
	11	try test__ffsti2(0x00000000_00000000_00000000_00000001, 1);
	12	try test__ffsti2(0x00000000_00000000_00000000_00000002, 2);
	13	try test__ffsti2(0x00000000_00000000_00000000_00000003, 1);
	14	try test__ffsti2(0x00000000_00000000_00000000_00000004, 3);
	15	try test__ffsti2(0x00000000_00000000_00000000_00000005, 1);
	16	try test__ffsti2(0x00000000_00000000_00000000_00000006, 2);
	17	try test__ffsti2(0x00000000_00000000_00000000_00000007, 1);
	18	try test__ffsti2(0x00000000_00000000_00000000_00000008, 4);
	19	try test__ffsti2(0x00000000_00000000_00000000_00000009, 1);
	20	try test__ffsti2(0x00000000_00000000_00000000_0000000A, 2);
	21	try test__ffsti2(0x00000000_00000000_00000000_0000000B, 1);
	22	try test__ffsti2(0x00000000_00000000_00000000_0000000C, 3);
	23	try test__ffsti2(0x00000000_00000000_00000000_0000000D, 1);
	24	try test__ffsti2(0x00000000_00000000_00000000_0000000E, 2);
	25	try test__ffsti2(0x00000000_00000000_00000000_0000000F, 1);
	26	try test__ffsti2(0x00000000_00000000_00000000_00000010, 5);
	27	try test__ffsti2(0x00000000_00000000_00000000_00000011, 1);
	28	try test__ffsti2(0x00000000_00000000_00000000_00000012, 2);
	29	try test__ffsti2(0x00000000_00000000_00000000_00000013, 1);
	30	try test__ffsti2(0x00000000_00000000_00000000_00000014, 3);
	31	try test__ffsti2(0x00000000_00000000_00000000_00000015, 1);
	32	try test__ffsti2(0x00000000_00000000_00000000_00000016, 2);
	33	try test__ffsti2(0x00000000_00000000_00000000_00000017, 1);
	34	try test__ffsti2(0x00000000_00000000_00000000_00000018, 4);
	35	try test__ffsti2(0x00000000_00000000_00000000_00000019, 1);
	36	try test__ffsti2(0x00000000_00000000_00000000_0000001A, 2);
	37	try test__ffsti2(0x00000000_00000000_00000000_0000001B, 1);
	38	try test__ffsti2(0x00000000_00000000_00000000_0000001C, 3);
	39	try test__ffsti2(0x00000000_00000000_00000000_0000001D, 1);
	40	try test__ffsti2(0x00000000_00000000_00000000_0000001E, 2);
	41	try test__ffsti2(0x00000000_00000000_00000000_0000001F, 1);
	42	try test__ffsti2(0x00000000_00000000_00000000_00000020, 6);
	43	try test__ffsti2(0x00000000_00000000_00000000_00000021, 1);
	44	try test__ffsti2(0x00000000_00000000_00000000_00000022, 2);
	45	try test__ffsti2(0x00000000_00000000_00000000_00000023, 1);
	46	try test__ffsti2(0x00000000_00000000_00000000_00000024, 3);
	47	try test__ffsti2(0x00000000_00000000_00000000_00000025, 1);
	48	try test__ffsti2(0x00000000_00000000_00000000_00000026, 2);
	49	try test__ffsti2(0x00000000_00000000_00000000_00000027, 1);
	50	try test__ffsti2(0x00000000_00000000_00000000_00000028, 4);
	51	try test__ffsti2(0x00000000_00000000_00000000_00000029, 1);
	52	try test__ffsti2(0x00000000_00000000_00000000_0000002A, 2);
	53	try test__ffsti2(0x00000000_00000000_00000000_0000002B, 1);
	54	try test__ffsti2(0x00000000_00000000_00000000_0000002C, 3);
	55	try test__ffsti2(0x00000000_00000000_00000000_0000002D, 1);
	56	try test__ffsti2(0x00000000_00000000_00000000_0000002E, 2);
	57	try test__ffsti2(0x00000000_00000000_00000000_0000002F, 1);
	58	try test__ffsti2(0x00000000_00000000_00000000_00000030, 5);
	59	try test__ffsti2(0x00000000_00000000_00000000_00000031, 1);
	60	try test__ffsti2(0x00000000_00000000_00000000_00000032, 2);
	61	try test__ffsti2(0x00000000_00000000_00000000_00000033, 1);
	62	try test__ffsti2(0x00000000_00000000_00000000_00000034, 3);
	63	try test__ffsti2(0x00000000_00000000_00000000_00000035, 1);
	64	try test__ffsti2(0x00000000_00000000_00000000_00000036, 2);
	65	try test__ffsti2(0x00000000_00000000_00000000_00000037, 1);
	66	try test__ffsti2(0x00000000_00000000_00000000_00000038, 4);
	67	try test__ffsti2(0x00000000_00000000_00000000_00000039, 1);
	68	try test__ffsti2(0x00000000_00000000_00000000_0000003A, 2);
	69	try test__ffsti2(0x00000000_00000000_00000000_0000003B, 1);
	70	try test__ffsti2(0x00000000_00000000_00000000_0000003C, 3);
	71	try test__ffsti2(0x00000000_00000000_00000000_0000003D, 1);
	72	try test__ffsti2(0x00000000_00000000_00000000_0000003E, 2);
	73	try test__ffsti2(0x00000000_00000000_00000000_0000003F, 1);
	74	try test__ffsti2(0x00000000_00000000_00000000_00000040, 7);
	75	try test__ffsti2(0x00000000_00000000_00000000_00000041, 1);
	76	try test__ffsti2(0x00000000_00000000_00000000_00000042, 2);
	77	try test__ffsti2(0x00000000_00000000_00000000_00000043, 1);
	78	try test__ffsti2(0x00000000_00000000_00000000_00000044, 3);
	79	try test__ffsti2(0x00000000_00000000_00000000_00000045, 1);
	80	try test__ffsti2(0x00000000_00000000_00000000_00000046, 2);
	81	try test__ffsti2(0x00000000_00000000_00000000_00000047, 1);
	82	try test__ffsti2(0x00000000_00000000_00000000_00000048, 4);
	83	try test__ffsti2(0x00000000_00000000_00000000_00000049, 1);
	84	try test__ffsti2(0x00000000_00000000_00000000_0000004A, 2);
	85	try test__ffsti2(0x00000000_00000000_00000000_0000004B, 1);
	86	try test__ffsti2(0x00000000_00000000_00000000_0000004C, 3);
	87	try test__ffsti2(0x00000000_00000000_00000000_0000004D, 1);
	88	try test__ffsti2(0x00000000_00000000_00000000_0000004E, 2);
	89	try test__ffsti2(0x00000000_00000000_00000000_0000004F, 1);
	90	try test__ffsti2(0x00000000_00000000_00000000_00000050, 5);
	91	try test__ffsti2(0x00000000_00000000_00000000_00000051, 1);
	92	try test__ffsti2(0x00000000_00000000_00000000_00000052, 2);
	93	try test__ffsti2(0x00000000_00000000_00000000_00000053, 1);
	94	try test__ffsti2(0x00000000_00000000_00000000_00000054, 3);
	95	try test__ffsti2(0x00000000_00000000_00000000_00000055, 1);
	96	try test__ffsti2(0x00000000_00000000_00000000_00000056, 2);
	97	try test__ffsti2(0x00000000_00000000_00000000_00000057, 1);
	98	try test__ffsti2(0x00000000_00000000_00000000_00000058, 4);
	99	try test__ffsti2(0x00000000_00000000_00000000_00000059, 1);
	100	try test__ffsti2(0x00000000_00000000_00000000_0000005A, 2);
	101	try test__ffsti2(0x00000000_00000000_00000000_0000005B, 1);
	102	try test__ffsti2(0x00000000_00000000_00000000_0000005C, 3);
	103	try test__ffsti2(0x00000000_00000000_00000000_0000005D, 1);
	104	try test__ffsti2(0x00000000_00000000_00000000_0000005E, 2);
	105	try test__ffsti2(0x00000000_00000000_00000000_0000005F, 1);
	106	try test__ffsti2(0x00000000_00000000_00000000_00000060, 6);
	107	try test__ffsti2(0x00000000_00000000_00000000_00000061, 1);
	108	try test__ffsti2(0x00000000_00000000_00000000_00000062, 2);
	109	try test__ffsti2(0x00000000_00000000_00000000_00000063, 1);
	110	try test__ffsti2(0x00000000_00000000_00000000_00000064, 3);
	111	try test__ffsti2(0x00000000_00000000_00000000_00000065, 1);
	112	try test__ffsti2(0x00000000_00000000_00000000_00000066, 2);
	113	try test__ffsti2(0x00000000_00000000_00000000_00000067, 1);
	114	try test__ffsti2(0x00000000_00000000_00000000_00000068, 4);
	115	try test__ffsti2(0x00000000_00000000_00000000_00000069, 1);
	116	try test__ffsti2(0x00000000_00000000_00000000_0000006A, 2);
	117	try test__ffsti2(0x00000000_00000000_00000000_0000006B, 1);
	118	try test__ffsti2(0x00000000_00000000_00000000_0000006C, 3);
	119	try test__ffsti2(0x00000000_00000000_00000000_0000006D, 1);
	120	try test__ffsti2(0x00000000_00000000_00000000_0000006E, 2);
	121	try test__ffsti2(0x00000000_00000000_00000000_0000006F, 1);
	122	try test__ffsti2(0x00000000_00000000_00000000_00000070, 5);
	123	try test__ffsti2(0x00000000_00000000_00000000_00000071, 1);
	124	try test__ffsti2(0x00000000_00000000_00000000_00000072, 2);
	125	try test__ffsti2(0x00000000_00000000_00000000_00000073, 1);
	126	try test__ffsti2(0x00000000_00000000_00000000_00000074, 3);
	127	try test__ffsti2(0x00000000_00000000_00000000_00000075, 1);
	128	try test__ffsti2(0x00000000_00000000_00000000_00000076, 2);
	129	try test__ffsti2(0x00000000_00000000_00000000_00000077, 1);
	130	try test__ffsti2(0x00000000_00000000_00000000_00000078, 4);
	131	try test__ffsti2(0x00000000_00000000_00000000_00000079, 1);
	132	try test__ffsti2(0x00000000_00000000_00000000_0000007A, 2);
	133	try test__ffsti2(0x00000000_00000000_00000000_0000007B, 1);
	134	try test__ffsti2(0x00000000_00000000_00000000_0000007C, 3);
	135	try test__ffsti2(0x00000000_00000000_00000000_0000007D, 1);
	136	try test__ffsti2(0x00000000_00000000_00000000_0000007E, 2);
	137	try test__ffsti2(0x00000000_00000000_00000000_0000007F, 1);
	138	try test__ffsti2(0x00000000_00000000_00000000_00000080, 8);
	139	try test__ffsti2(0x00000000_00000000_00000000_00000081, 1);
	140	try test__ffsti2(0x00000000_00000000_00000000_00000082, 2);
	141	try test__ffsti2(0x00000000_00000000_00000000_00000083, 1);
	142	try test__ffsti2(0x00000000_00000000_00000000_00000084, 3);
	143	try test__ffsti2(0x00000000_00000000_00000000_00000085, 1);
	144	try test__ffsti2(0x00000000_00000000_00000000_00000086, 2);
	145	try test__ffsti2(0x00000000_00000000_00000000_00000087, 1);
	146	try test__ffsti2(0x00000000_00000000_00000000_00000088, 4);
	147	try test__ffsti2(0x00000000_00000000_00000000_00000089, 1);
	148	try test__ffsti2(0x00000000_00000000_00000000_0000008A, 2);
	149	try test__ffsti2(0x00000000_00000000_00000000_0000008B, 1);
	150	try test__ffsti2(0x00000000_00000000_00000000_0000008C, 3);
	151	try test__ffsti2(0x00000000_00000000_00000000_0000008D, 1);
	152	try test__ffsti2(0x00000000_00000000_00000000_0000008E, 2);
	153	try test__ffsti2(0x00000000_00000000_00000000_0000008F, 1);
	154	try test__ffsti2(0x00000000_00000000_00000000_00000090, 5);
	155	try test__ffsti2(0x00000000_00000000_00000000_00000091, 1);
	156	try test__ffsti2(0x00000000_00000000_00000000_00000092, 2);
	157	try test__ffsti2(0x00000000_00000000_00000000_00000093, 1);
	158	try test__ffsti2(0x00000000_00000000_00000000_00000094, 3);
	159	try test__ffsti2(0x00000000_00000000_00000000_00000095, 1);
	160	try test__ffsti2(0x00000000_00000000_00000000_00000096, 2);
	161	try test__ffsti2(0x00000000_00000000_00000000_00000097, 1);
	162	try test__ffsti2(0x00000000_00000000_00000000_00000098, 4);
	163	try test__ffsti2(0x00000000_00000000_00000000_00000099, 1);
	164	try test__ffsti2(0x00000000_00000000_00000000_0000009A, 2);
	165	try test__ffsti2(0x00000000_00000000_00000000_0000009B, 1);
	166	try test__ffsti2(0x00000000_00000000_00000000_0000009C, 3);
	167	try test__ffsti2(0x00000000_00000000_00000000_0000009D, 1);
	168	try test__ffsti2(0x00000000_00000000_00000000_0000009E, 2);
	169	try test__ffsti2(0x00000000_00000000_00000000_0000009F, 1);
	170	try test__ffsti2(0x00000000_00000000_00000000_000000A0, 6);
	171	try test__ffsti2(0x00000000_00000000_00000000_000000A1, 1);
	172	try test__ffsti2(0x00000000_00000000_00000000_000000A2, 2);
	173	try test__ffsti2(0x00000000_00000000_00000000_000000A3, 1);
	174	try test__ffsti2(0x00000000_00000000_00000000_000000A4, 3);
	175	try test__ffsti2(0x00000000_00000000_00000000_000000A5, 1);
	176	try test__ffsti2(0x00000000_00000000_00000000_000000A6, 2);
	177	try test__ffsti2(0x00000000_00000000_00000000_000000A7, 1);
	178	try test__ffsti2(0x00000000_00000000_00000000_000000A8, 4);
	179	try test__ffsti2(0x00000000_00000000_00000000_000000A9, 1);
	180	try test__ffsti2(0x00000000_00000000_00000000_000000AA, 2);
	181	try test__ffsti2(0x00000000_00000000_00000000_000000AB, 1);
	182	try test__ffsti2(0x00000000_00000000_00000000_000000AC, 3);
	183	try test__ffsti2(0x00000000_00000000_00000000_000000AD, 1);
	184	try test__ffsti2(0x00000000_00000000_00000000_000000AE, 2);
	185	try test__ffsti2(0x00000000_00000000_00000000_000000AF, 1);
	186	try test__ffsti2(0x00000000_00000000_00000000_000000B0, 5);
	187	try test__ffsti2(0x00000000_00000000_00000000_000000B1, 1);
	188	try test__ffsti2(0x00000000_00000000_00000000_000000B2, 2);
	189	try test__ffsti2(0x00000000_00000000_00000000_000000B3, 1);
	190	try test__ffsti2(0x00000000_00000000_00000000_000000B4, 3);
	191	try test__ffsti2(0x00000000_00000000_00000000_000000B5, 1);
	192	try test__ffsti2(0x00000000_00000000_00000000_000000B6, 2);
	193	try test__ffsti2(0x00000000_00000000_00000000_000000B7, 1);
	194	try test__ffsti2(0x00000000_00000000_00000000_000000B8, 4);
	195	try test__ffsti2(0x00000000_00000000_00000000_000000B9, 1);
	196	try test__ffsti2(0x00000000_00000000_00000000_000000BA, 2);
	197	try test__ffsti2(0x00000000_00000000_00000000_000000BB, 1);
	198	try test__ffsti2(0x00000000_00000000_00000000_000000BC, 3);
	199	try test__ffsti2(0x00000000_00000000_00000000_000000BD, 1);
	200	try test__ffsti2(0x00000000_00000000_00000000_000000BE, 2);
	201	try test__ffsti2(0x00000000_00000000_00000000_000000BF, 1);
	202	try test__ffsti2(0x00000000_00000000_00000000_000000C0, 7);
	203	try test__ffsti2(0x00000000_00000000_00000000_000000C1, 1);
	204	try test__ffsti2(0x00000000_00000000_00000000_000000C2, 2);
	205	try test__ffsti2(0x00000000_00000000_00000000_000000C3, 1);
	206	try test__ffsti2(0x00000000_00000000_00000000_000000C4, 3);
	207	try test__ffsti2(0x00000000_00000000_00000000_000000C5, 1);
	208	try test__ffsti2(0x00000000_00000000_00000000_000000C6, 2);
	209	try test__ffsti2(0x00000000_00000000_00000000_000000C7, 1);
	210	try test__ffsti2(0x00000000_00000000_00000000_000000C8, 4);
	211	try test__ffsti2(0x00000000_00000000_00000000_000000C9, 1);
	212	try test__ffsti2(0x00000000_00000000_00000000_000000CA, 2);
	213	try test__ffsti2(0x00000000_00000000_00000000_000000CB, 1);
	214	try test__ffsti2(0x00000000_00000000_00000000_000000CC, 3);
	215	try test__ffsti2(0x00000000_00000000_00000000_000000CD, 1);
	216	try test__ffsti2(0x00000000_00000000_00000000_000000CE, 2);
	217	try test__ffsti2(0x00000000_00000000_00000000_000000CF, 1);
	218	try test__ffsti2(0x00000000_00000000_00000000_000000D0, 5);
	219	try test__ffsti2(0x00000000_00000000_00000000_000000D1, 1);
	220	try test__ffsti2(0x00000000_00000000_00000000_000000D2, 2);
	221	try test__ffsti2(0x00000000_00000000_00000000_000000D3, 1);
	222	try test__ffsti2(0x00000000_00000000_00000000_000000D4, 3);
	223	try test__ffsti2(0x00000000_00000000_00000000_000000D5, 1);
	224	try test__ffsti2(0x00000000_00000000_00000000_000000D6, 2);
	225	try test__ffsti2(0x00000000_00000000_00000000_000000D7, 1);
	226	try test__ffsti2(0x00000000_00000000_00000000_000000D8, 4);
	227	try test__ffsti2(0x00000000_00000000_00000000_000000D9, 1);
	228	try test__ffsti2(0x00000000_00000000_00000000_000000DA, 2);
	229	try test__ffsti2(0x00000000_00000000_00000000_000000DB, 1);
	230	try test__ffsti2(0x00000000_00000000_00000000_000000DC, 3);
	231	try test__ffsti2(0x00000000_00000000_00000000_000000DD, 1);
	232	try test__ffsti2(0x00000000_00000000_00000000_000000DE, 2);
	233	try test__ffsti2(0x00000000_00000000_00000000_000000DF, 1);
	234	try test__ffsti2(0x00000000_00000000_00000000_000000E0, 6);
	235	try test__ffsti2(0x00000000_00000000_00000000_000000E1, 1);
	236	try test__ffsti2(0x00000000_00000000_00000000_000000E2, 2);
	237	try test__ffsti2(0x00000000_00000000_00000000_000000E3, 1);
	238	try test__ffsti2(0x00000000_00000000_00000000_000000E4, 3);
	239	try test__ffsti2(0x00000000_00000000_00000000_000000E5, 1);
	240	try test__ffsti2(0x00000000_00000000_00000000_000000E6, 2);
	241	try test__ffsti2(0x00000000_00000000_00000000_000000E7, 1);
	242	try test__ffsti2(0x00000000_00000000_00000000_000000E8, 4);
	243	try test__ffsti2(0x00000000_00000000_00000000_000000E9, 1);
	244	try test__ffsti2(0x00000000_00000000_00000000_000000EA, 2);
	245	try test__ffsti2(0x00000000_00000000_00000000_000000EB, 1);
	246	try test__ffsti2(0x00000000_00000000_00000000_000000EC, 3);
	247	try test__ffsti2(0x00000000_00000000_00000000_000000ED, 1);
	248	try test__ffsti2(0x00000000_00000000_00000000_000000EE, 2);
	249	try test__ffsti2(0x00000000_00000000_00000000_000000EF, 1);
	250	try test__ffsti2(0x00000000_00000000_00000000_000000F0, 5);
	251	try test__ffsti2(0x00000000_00000000_00000000_000000F1, 1);
	252	try test__ffsti2(0x00000000_00000000_00000000_000000F2, 2);
	253	try test__ffsti2(0x00000000_00000000_00000000_000000F3, 1);
	254	try test__ffsti2(0x00000000_00000000_00000000_000000F4, 3);
	255	try test__ffsti2(0x00000000_00000000_00000000_000000F5, 1);
	256	try test__ffsti2(0x00000000_00000000_00000000_000000F6, 2);
	257	try test__ffsti2(0x00000000_00000000_00000000_000000F7, 1);
	258	try test__ffsti2(0x00000000_00000000_00000000_000000F8, 4);
	259	try test__ffsti2(0x00000000_00000000_00000000_000000F9, 1);
	260	try test__ffsti2(0x00000000_00000000_00000000_000000FA, 2);
	261	try test__ffsti2(0x00000000_00000000_00000000_000000FB, 1);
	262	try test__ffsti2(0x00000000_00000000_00000000_000000FC, 3);
	263	try test__ffsti2(0x00000000_00000000_00000000_000000FD, 1);
	264	try test__ffsti2(0x00000000_00000000_00000000_000000FE, 2);
	265	try test__ffsti2(0x00000000_00000000_00000000_000000FF, 1);
	266
	267	try test__ffsti2(0x00000000_00000000_00000000_00000000, 0);
	268	try test__ffsti2(0x80000000_00000000_00000000_00000000, 128);
	269	try test__ffsti2(0x40000000_00000000_00000000_00000000, 127);
	270	try test__ffsti2(0x20000000_00000000_00000000_00000000, 126);
	271	try test__ffsti2(0x10000000_00000000_00000000_00000000, 125);
	272	try test__ffsti2(0x08000000_00000000_00000000_00000000, 124);
	273	try test__ffsti2(0x04000000_00000000_00000000_00000000, 123);
	274	try test__ffsti2(0x02000000_00000000_00000000_00000000, 122);
	275	try test__ffsti2(0x01000000_00000000_00000000_00000000, 121);
	276	try test__ffsti2(0x00800000_00000000_00000000_00000000, 120);
	277	try test__ffsti2(0x00400000_00000000_00000000_00000000, 119);
	278	try test__ffsti2(0x00200000_00000000_00000000_00000000, 118);
	279	try test__ffsti2(0x00100000_00000000_00000000_00000000, 117);
	280	try test__ffsti2(0x00080000_00000000_00000000_00000000, 116);
	281	try test__ffsti2(0x00040000_00000000_00000000_00000000, 115);
	282	try test__ffsti2(0x00020000_00000000_00000000_00000000, 114);
	283	try test__ffsti2(0x00010000_00000000_00000000_00000000, 113);
	284	try test__ffsti2(0x00008000_00000000_00000000_00000000, 112);
	285	try test__ffsti2(0x00004000_00000000_00000000_00000000, 111);
	286	try test__ffsti2(0x00002000_00000000_00000000_00000000, 110);
	287	try test__ffsti2(0x00001000_00000000_00000000_00000000, 109);
	288	try test__ffsti2(0x00000800_00000000_00000000_00000000, 108);
	289	try test__ffsti2(0x00000400_00000000_00000000_00000000, 107);
	290	try test__ffsti2(0x00000200_00000000_00000000_00000000, 106);
	291	try test__ffsti2(0x00000100_00000000_00000000_00000000, 105);
	292	try test__ffsti2(0x00000080_00000000_00000000_00000000, 104);
	293	try test__ffsti2(0x00000040_00000000_00000000_00000000, 103);
	294	try test__ffsti2(0x00000020_00000000_00000000_00000000, 102);
	295	try test__ffsti2(0x00000010_00000000_00000000_00000000, 101);
	296	try test__ffsti2(0x00000008_00000000_00000000_00000000, 100);
	297	try test__ffsti2(0x00000004_00000000_00000000_00000000, 99);
	298	try test__ffsti2(0x00000002_00000000_00000000_00000000, 98);
	299	try test__ffsti2(0x00000001_00000000_00000000_00000000, 97);
	300
	301	try test__ffsti2(0x00000000_80000000_00000000_00000000, 96);
	302	try test__ffsti2(0x00000000_40000000_00000000_00000000, 95);
	303	try test__ffsti2(0x00000000_20000000_00000000_00000000, 94);
	304	try test__ffsti2(0x00000000_10000000_00000000_00000000, 93);
	305	try test__ffsti2(0x00000000_08000000_00000000_00000000, 92);
	306	try test__ffsti2(0x00000000_04000000_00000000_00000000, 91);
	307	try test__ffsti2(0x00000000_02000000_00000000_00000000, 90);
	308	try test__ffsti2(0x00000000_01000000_00000000_00000000, 89);
	309	try test__ffsti2(0x00000000_00800000_00000000_00000000, 88);
	310	try test__ffsti2(0x00000000_00400000_00000000_00000000, 87);
	311	try test__ffsti2(0x00000000_00200000_00000000_00000000, 86);
	312	try test__ffsti2(0x00000000_00100000_00000000_00000000, 85);
	313	try test__ffsti2(0x00000000_00080000_00000000_00000000, 84);
	314	try test__ffsti2(0x00000000_00040000_00000000_00000000, 83);
	315	try test__ffsti2(0x00000000_00020000_00000000_00000000, 82);
	316	try test__ffsti2(0x00000000_00010000_00000000_00000000, 81);
	317	try test__ffsti2(0x00000000_00008000_00000000_00000000, 80);
	318	try test__ffsti2(0x00000000_00004000_00000000_00000000, 79);
	319	try test__ffsti2(0x00000000_00002000_00000000_00000000, 78);
	320	try test__ffsti2(0x00000000_00001000_00000000_00000000, 77);
	321	try test__ffsti2(0x00000000_00000800_00000000_00000000, 76);
	322	try test__ffsti2(0x00000000_00000400_00000000_00000000, 75);
	323	try test__ffsti2(0x00000000_00000200_00000000_00000000, 74);
	324	try test__ffsti2(0x00000000_00000100_00000000_00000000, 73);
	325	try test__ffsti2(0x00000000_00000080_00000000_00000000, 72);
	326	try test__ffsti2(0x00000000_00000040_00000000_00000000, 71);
	327	try test__ffsti2(0x00000000_00000020_00000000_00000000, 70);
	328	try test__ffsti2(0x00000000_00000010_00000000_00000000, 69);
	329	try test__ffsti2(0x00000000_00000008_00000000_00000000, 68);
	330	try test__ffsti2(0x00000000_00000004_00000000_00000000, 67);
	331	try test__ffsti2(0x00000000_00000002_00000000_00000000, 66);
	332	try test__ffsti2(0x00000000_00000001_00000000_00000000, 65);
	333
	334	try test__ffsti2(0x00000000_00000000_80000000_00000000, 64);
	335	try test__ffsti2(0x00000000_00000000_40000000_00000000, 63);
	336	try test__ffsti2(0x00000000_00000000_20000000_00000000, 62);
	337	try test__ffsti2(0x00000000_00000000_10000000_00000000, 61);
	338	try test__ffsti2(0x00000000_00000000_08000000_00000000, 60);
	339	try test__ffsti2(0x00000000_00000000_04000000_00000000, 59);
	340	try test__ffsti2(0x00000000_00000000_02000000_00000000, 58);
	341	try test__ffsti2(0x00000000_00000000_01000000_00000000, 57);
	342	try test__ffsti2(0x00000000_00000000_00800000_00000000, 56);
	343	try test__ffsti2(0x00000000_00000000_00400000_00000000, 55);
	344	try test__ffsti2(0x00000000_00000000_00200000_00000000, 54);
	345	try test__ffsti2(0x00000000_00000000_00100000_00000000, 53);
	346	try test__ffsti2(0x00000000_00000000_00080000_00000000, 52);
	347	try test__ffsti2(0x00000000_00000000_00040000_00000000, 51);
	348	try test__ffsti2(0x00000000_00000000_00020000_00000000, 50);
	349	try test__ffsti2(0x00000000_00000000_00010000_00000000, 49);
	350	try test__ffsti2(0x00000000_00000000_00008000_00000000, 48);
	351	try test__ffsti2(0x00000000_00000000_00004000_00000000, 47);
	352	try test__ffsti2(0x00000000_00000000_00002000_00000000, 46);
	353	try test__ffsti2(0x00000000_00000000_00001000_00000000, 45);
	354	try test__ffsti2(0x00000000_00000000_00000800_00000000, 44);
	355	try test__ffsti2(0x00000000_00000000_00000400_00000000, 43);
	356	try test__ffsti2(0x00000000_00000000_00000200_00000000, 42);
	357	try test__ffsti2(0x00000000_00000000_00000100_00000000, 41);
	358	try test__ffsti2(0x00000000_00000000_00000080_00000000, 40);
	359	try test__ffsti2(0x00000000_00000000_00000040_00000000, 39);
	360	try test__ffsti2(0x00000000_00000000_00000020_00000000, 38);
	361	try test__ffsti2(0x00000000_00000000_00000010_00000000, 37);
	362	try test__ffsti2(0x00000000_00000000_00000008_00000000, 36);
	363	try test__ffsti2(0x00000000_00000000_00000004_00000000, 35);
	364	try test__ffsti2(0x00000000_00000000_00000002_00000000, 34);
	365	try test__ffsti2(0x00000000_00000000_00000001_00000000, 33);
	366
	367	try test__ffsti2(0x00000000_00000000_00000000_80000000, 32);
	368	try test__ffsti2(0x00000000_00000000_00000000_40000000, 31);
	369	try test__ffsti2(0x00000000_00000000_00000000_20000000, 30);
	370	try test__ffsti2(0x00000000_00000000_00000000_10000000, 29);
	371	try test__ffsti2(0x00000000_00000000_00000000_08000000, 28);
	372	try test__ffsti2(0x00000000_00000000_00000000_04000000, 27);
	373	try test__ffsti2(0x00000000_00000000_00000000_02000000, 26);
	374	try test__ffsti2(0x00000000_00000000_00000000_01000000, 25);
	375	try test__ffsti2(0x00000000_00000000_00000000_00800000, 24);
	376	try test__ffsti2(0x00000000_00000000_00000000_00400000, 23);
	377	try test__ffsti2(0x00000000_00000000_00000000_00200000, 22);
	378	try test__ffsti2(0x00000000_00000000_00000000_00100000, 21);
	379	try test__ffsti2(0x00000000_00000000_00000000_00080000, 20);
	380	try test__ffsti2(0x00000000_00000000_00000000_00040000, 19);
	381	try test__ffsti2(0x00000000_00000000_00000000_00020000, 18);
	382	try test__ffsti2(0x00000000_00000000_00000000_00010000, 17);
	383	try test__ffsti2(0x00000000_00000000_00000000_00008000, 16);
	384	try test__ffsti2(0x00000000_00000000_00000000_00004000, 15);
	385	try test__ffsti2(0x00000000_00000000_00000000_00002000, 14);
	386	try test__ffsti2(0x00000000_00000000_00000000_00001000, 13);
	387	try test__ffsti2(0x00000000_00000000_00000000_00000800, 12);
	388	try test__ffsti2(0x00000000_00000000_00000000_00000400, 11);
	389	try test__ffsti2(0x00000000_00000000_00000000_00000200, 10);
	390	try test__ffsti2(0x00000000_00000000_00000000_00000100, 9);
	391	}

compiler_rt: add __ffssi2, __ffsdi2 and __ffsti2 (#10268)

compiler_rt: add ffssi2, ffsdi2 and __ffsti2 (#10268)