Commit 0c6aa44bc3c0670f3533c503ad9921c2439d8e35 | zig

lib/compiler_rt/ceil.zig+4-4

...	...	@@ -48,14 +48,14 @@ pub fn ceilf(x: f32) callconv(.C) f32 {
48	48	if (u & m == 0) {
49	49	return x;
50	50	}
51		mem.doNotOptimizeAway(x + 0x1.0p120);
	51	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
52	52	if (u >> 31 == 0) {
53	53	u += m;
54	54	}
55	55	u &= ~m;
56	56	return @bitCast(u);
57	57	} else {
58		mem.doNotOptimizeAway(x + 0x1.0p120);
	58	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
59	59	if (u >> 31 != 0) {
60	60	return -0.0;
61	61	} else {
...	...	@@ -82,7 +82,7 @@ pub fn ceil(x: f64) callconv(.C) f64 {
82	82	}
83	83
84	84	if (e <= 0x3FF - 1) {
85		mem.doNotOptimizeAway(y);
	85	if (common.want_float_exceptions) mem.doNotOptimizeAway(y);
86	86	if (u >> 63 != 0) {
87	87	return -0.0;
88	88	} else {
...	...	@@ -116,7 +116,7 @@ pub fn ceilq(x: f128) callconv(.C) f128 {
116	116	}
117	117
118	118	if (e <= 0x3FFF - 1) {
119		mem.doNotOptimizeAway(y);
	119	if (common.want_float_exceptions) mem.doNotOptimizeAway(y);
120	120	if (u >> 127 != 0) {
121	121	return -0.0;
122	122	} else {

lib/compiler_rt/common.zig+2

...	...	@@ -24,6 +24,8 @@ pub const want_aeabi = switch (builtin.abi) {
24	24	};
25	25	pub const want_ppc_abi = builtin.cpu.arch.isPPC() or builtin.cpu.arch.isPPC64();
26	26
	27	pub const want_float_exceptions = !builtin.cpu.arch.isWasm();
	28
27	29	// Libcalls that involve u128 on Windows x86-64 are expected by LLVM to use the
28	30	// calling convention of @Vector(2, u64), rather than what's standard.
29	31	pub const want_windows_v2u64_abi = builtin.os.tag == .windows and builtin.cpu.arch == .x86_64 and @import("builtin").object_format != .c;

lib/compiler_rt/cos.zig+2-2

...	...	@@ -41,7 +41,7 @@ pub fn cosf(x: f32) callconv(.C) f32 {
41	41	if (ix <= 0x3f490fda) { // \|x\| ~<= pi/4
42	42	if (ix < 0x39800000) { // \|x\| < 2**-12
43	43	// raise inexact if x != 0
44		mem.doNotOptimizeAway(x + 0x1p120);
	44	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1p120);
45	45	return 1.0;
46	46	}
47	47	return trig.__cosdf(x);
...	...	@@ -92,7 +92,7 @@ pub fn cos(x: f64) callconv(.C) f64 {
92	92	if (ix <= 0x3fe921fb) {
93	93	if (ix < 0x3e46a09e) { // \|x\| < 2*-27 sqrt(2)
94	94	// raise inexact if x!=0
95		mem.doNotOptimizeAway(x + 0x1p120);
	95	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1p120);
96	96	return 1.0;
97	97	}
98	98	return trig.__cos(x, 0);

lib/compiler_rt/exp.zig+4-4

...	...	@@ -59,7 +59,7 @@ pub fn expf(x_: f32) callconv(.C) f32 {
59	59	return x * 0x1.0p127;
60	60	}
61	61	if (sign != 0) {
62		mem.doNotOptimizeAway(-0x1.0p-149 / x); // overflow
	62	if (common.want_float_exceptions) mem.doNotOptimizeAway(-0x1.0p-149 / x); // overflow
63	63	// x <= -103.972084
64	64	if (hx >= 0x42CFF1B5) {
65	65	return 0;
...	...	@@ -91,7 +91,7 @@ pub fn expf(x_: f32) callconv(.C) f32 {
91	91	hi = x;
92	92	lo = 0;
93	93	} else {
94		mem.doNotOptimizeAway(0x1.0p127 + x); // inexact
	94	if (common.want_float_exceptions) mem.doNotOptimizeAway(0x1.0p127 + x); // inexact
95	95	return 1 + x;
96	96	}
97	97
...	...	@@ -142,7 +142,7 @@ pub fn exp(x_: f64) callconv(.C) f64 {
142	142	}
143	143	if (x < -708.39641853226410622) {
144	144	// underflow if x != -inf
145		// mem.doNotOptimizeAway(@as(f32, -0x1.0p-149 / x));
	145	// if (common.want_float_exceptions) mem.doNotOptimizeAway(@as(f32, -0x1.0p-149 / x));
146	146	if (x < -745.13321910194110842) {
147	147	return 0;
148	148	}
...	...	@@ -175,7 +175,7 @@ pub fn exp(x_: f64) callconv(.C) f64 {
175	175	lo = 0;
176	176	} else {
177	177	// inexact if x != 0
178		// mem.doNotOptimizeAway(0x1.0p1023 + x);
	178	// if (common.want_float_exceptions) mem.doNotOptimizeAway(0x1.0p1023 + x);
179	179	return 1 + x;
180	180	}
181	181

lib/compiler_rt/exp2.zig+2-2

...	...	@@ -55,7 +55,7 @@ pub fn exp2f(x: f32) callconv(.C) f32 {
55	55	// x < -126
56	56	if (u >= 0x80000000) {
57	57	if (u >= 0xC3160000 or u & 0x000FFFF != 0) {
58		mem.doNotOptimizeAway(-0x1.0p-149 / x);
	58	if (common.want_float_exceptions) mem.doNotOptimizeAway(-0x1.0p-149 / x);
59	59	}
60	60	// x <= -150
61	61	if (u >= 0x3160000) {
...	...	@@ -120,7 +120,7 @@ pub fn exp2(x: f64) callconv(.C) f64 {
120	120	if (ux >> 63 != 0) {
121	121	// underflow
122	122	if (x <= -1075 or x - 0x1.0p52 + 0x1.0p52 != x) {
123		mem.doNotOptimizeAway(@as(f32, @floatCast(-0x1.0p-149 / x)));
	123	if (common.want_float_exceptions) mem.doNotOptimizeAway(@as(f32, @floatCast(-0x1.0p-149 / x)));
124	124	}
125	125	if (x <= -1075) {
126	126	return 0;

lib/compiler_rt/floor.zig+6-6

...	...	@@ -45,13 +45,13 @@ pub fn __floorh(x: f16) callconv(.C) f16 {
45	45	if (u & m == 0) {
46	46	return x;
47	47	}
48		mem.doNotOptimizeAway(x + 0x1.0p120);
	48	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
49	49	if (u >> 15 != 0) {
50	50	u += m;
51	51	}
52	52	return @bitCast(u & ~m);
53	53	} else {
54		mem.doNotOptimizeAway(x + 0x1.0p120);
	54	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
55	55	if (u >> 15 == 0) {
56	56	return 0.0;
57	57	} else {
...	...	@@ -79,13 +79,13 @@ pub fn floorf(x: f32) callconv(.C) f32 {
79	79	if (u & m == 0) {
80	80	return x;
81	81	}
82		mem.doNotOptimizeAway(x + 0x1.0p120);
	82	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
83	83	if (u >> 31 != 0) {
84	84	u += m;
85	85	}
86	86	return @bitCast(u & ~m);
87	87	} else {
88		mem.doNotOptimizeAway(x + 0x1.0p120);
	88	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1.0p120);
89	89	if (u >> 31 == 0) {
90	90	return 0.0;
91	91	} else {
...	...	@@ -112,7 +112,7 @@ pub fn floor(x: f64) callconv(.C) f64 {
112	112	}
113	113
114	114	if (e <= 0x3FF - 1) {
115		mem.doNotOptimizeAway(y);
	115	if (common.want_float_exceptions) mem.doNotOptimizeAway(y);
116	116	if (u >> 63 != 0) {
117	117	return -1.0;
118	118	} else {
...	...	@@ -146,7 +146,7 @@ pub fn floorq(x: f128) callconv(.C) f128 {
146	146	}
147	147
148	148	if (e <= 0x3FFF - 1) {
149		mem.doNotOptimizeAway(y);
	149	if (common.want_float_exceptions) mem.doNotOptimizeAway(y);
150	150	if (u >> 127 != 0) {
151	151	return -1.0;
152	152	} else {

lib/compiler_rt/round.zig+3-3

...	...	@@ -46,7 +46,7 @@ pub fn roundf(x_: f32) callconv(.C) f32 {
46	46	x = -x;
47	47	}
48	48	if (e < 0x7F - 1) {
49		mem.doNotOptimizeAway(x + f32_toint);
	49	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + f32_toint);
50	50	return 0 * @as(f32, @bitCast(u));
51	51	}
52	52
...	...	@@ -81,7 +81,7 @@ pub fn round(x_: f64) callconv(.C) f64 {
81	81	x = -x;
82	82	}
83	83	if (e < 0x3ff - 1) {
84		mem.doNotOptimizeAway(x + f64_toint);
	84	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + f64_toint);
85	85	return 0 * @as(f64, @bitCast(u));
86	86	}
87	87
...	...	@@ -121,7 +121,7 @@ pub fn roundq(x_: f128) callconv(.C) f128 {
121	121	x = -x;
122	122	}
123	123	if (e < 0x3FFF - 1) {
124		mem.doNotOptimizeAway(x + f128_toint);
	124	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + f128_toint);
125	125	return 0 * @as(f128, @bitCast(u));
126	126	}
127	127

lib/compiler_rt/sin.zig+2-2

...	...	@@ -49,7 +49,7 @@ pub fn sinf(x: f32) callconv(.C) f32 {
49	49	if (ix <= 0x3f490fda) { // \|x\| ~<= pi/4
50	50	if (ix < 0x39800000) { // \|x\| < 2**-12
51	51	// raise inexact if x!=0 and underflow if subnormal
52		mem.doNotOptimizeAway(if (ix < 0x00800000) x / 0x1p120 else x + 0x1p120);
	52	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00800000) x / 0x1p120 else x + 0x1p120);
53	53	return x;
54	54	}
55	55	return trig.__sindf(x);
...	...	@@ -98,7 +98,7 @@ pub fn sin(x: f64) callconv(.C) f64 {
98	98	if (ix <= 0x3fe921fb) {
99	99	if (ix < 0x3e500000) { // \|x\| < 2**-26
100	100	// raise inexact if x != 0 and underflow if subnormal
101		mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
	101	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
102	102	return x;
103	103	}
104	104	return trig.__sin(x, 0.0, 0);

lib/compiler_rt/sincos.zig+3-3

...	...	@@ -46,7 +46,7 @@ pub fn sincosf(x: f32, r_sin: f32, r_cos: f32) callconv(.C) void {
46	46	// \|x\| < 2**-12
47	47	if (ix < 0x39800000) {
48	48	// raise inexact if x!=0 and underflow if subnormal
49		mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
	49	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
50	50	r_sin.* = x;
51	51	r_cos.* = 1.0;
52	52	return;
...	...	@@ -134,7 +134,7 @@ pub fn sincos(x: f64, r_sin: f64, r_cos: f64) callconv(.C) void {
134	134	// if \|x\| < 2*-27 sqrt(2)
135	135	if (ix < 0x3e46a09e) {
136	136	// raise inexact if x != 0 and underflow if subnormal
137		mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
	137	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
138	138	r_sin.* = x;
139	139	r_cos.* = 1.0;
140	140	return;
...	...	@@ -232,7 +232,7 @@ inline fn sincos_generic(comptime F: type, x: F, r_sin: F, r_cos: F) void {
232	232	if (se < 0x3fff - math.floatFractionalBits(F) - 1) {
233	233	// raise underflow if subnormal
234	234	if (se == 0) {
235		mem.doNotOptimizeAway(x * 0x1p-120);
	235	if (common.want_float_exceptions) mem.doNotOptimizeAway(x * 0x1p-120);
236	236	}
237	237	r_sin.* = x;
238	238	// raise inexact if x!=0

lib/compiler_rt/tan.zig+2-2

...	...	@@ -51,7 +51,7 @@ pub fn tanf(x: f32) callconv(.C) f32 {
51	51	if (ix <= 0x3f490fda) { // \|x\| ~<= pi/4
52	52	if (ix < 0x39800000) { // \|x\| < 2**-12
53	53	// raise inexact if x!=0 and underflow if subnormal
54		mem.doNotOptimizeAway(if (ix < 0x00800000) x / 0x1p120 else x + 0x1p120);
	54	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00800000) x / 0x1p120 else x + 0x1p120);
55	55	return x;
56	56	}
57	57	return kernel.__tandf(x, false);
...	...	@@ -89,7 +89,7 @@ pub fn tan(x: f64) callconv(.C) f64 {
89	89	if (ix <= 0x3fe921fb) {
90	90	if (ix < 0x3e400000) { // \|x\| < 2**-27
91	91	// raise inexact if x!=0 and underflow if subnormal
92		mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
	92	if (common.want_float_exceptions) mem.doNotOptimizeAway(if (ix < 0x00100000) x / 0x1p120 else x + 0x1p120);
93	93	return x;
94	94	}
95	95	return kernel.__tan(x, 0.0, false);

lib/compiler_rt/trunc.zig+3-3

...	...	@@ -47,7 +47,7 @@ pub fn truncf(x: f32) callconv(.C) f32 {
47	47	if (u & m == 0) {
48	48	return x;
49	49	} else {
50		mem.doNotOptimizeAway(x + 0x1p120);
	50	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1p120);
51	51	return @bitCast(u & ~m);
52	52	}
53	53	}
...	...	@@ -68,7 +68,7 @@ pub fn trunc(x: f64) callconv(.C) f64 {
68	68	if (u & m == 0) {
69	69	return x;
70	70	} else {
71		mem.doNotOptimizeAway(x + 0x1p120);
	71	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1p120);
72	72	return @bitCast(u & ~m);
73	73	}
74	74	}
...	...	@@ -94,7 +94,7 @@ pub fn truncq(x: f128) callconv(.C) f128 {
94	94	if (u & m == 0) {
95	95	return x;
96	96	} else {
97		mem.doNotOptimizeAway(x + 0x1p120);
	97	if (common.want_float_exceptions) mem.doNotOptimizeAway(x + 0x1p120);
98	98	return @bitCast(u & ~m);
99	99	}
100	100	}

author	Pavel Verigo <paul.verigo@gmail.com> 2024-07-22 23:22:01+02:00
committer	Pavel Verigo <paul.verigo@gmail.com> 2024-07-22 23:22:01+02:00
log	0c6aa44bc3c0670f3533c503ad9921c2439d8e35
tree	7146183792e8241eed109c763a25558c8be08f65
parent	eac7fd4da5992299a1f2fb59c5aa237c0c6c6761

compiler_rt: wasm miss float exceptions