1 /* Copyright (C) 2006, 2007 Free Software Foundation.
3 Test things that should block GCC from optimizing compile-time
4 constants passed to a builtin transcendental function.
6 Origin: Kaveh R. Ghazi, October 22, 2006. */
8 /* { dg-do compile } */
9 /* { dg-options "-fdump-tree-original" } */
11 extern void foof (float);
12 extern void foo (double);
13 extern void fool (long double);
15 #define TESTIT(FUNC, ARG) do { \
16 foof (__builtin_##FUNC##f (ARG##F)); \
17 foo (__builtin_##FUNC (ARG)); \
18 fool (__builtin_##FUNC##l (ARG##L)); \
21 #define TESTIT2(FUNC, ARG1, ARG2) do { \
22 foof (__builtin_##FUNC##f (ARG1##F, ARG2##F)); \
23 foo (__builtin_##FUNC (ARG1, ARG2)); \
24 fool (__builtin_##FUNC##l (ARG1##L, ARG2##L)); \
27 #define TESTIT2_I2ALL(FUNC, ARGF, MAXF, ARGD, MAXD, ARGLD, MAXLD) do { \
28 foof (__builtin_##FUNC##f (ARGF, MAXF)); \
29 foo (__builtin_##FUNC (ARGD, MAXD)); \
30 fool (__builtin_##FUNC##l (ARGLD, MAXLD)); \
33 #define TESTIT2_I2(FUNC, ARG1, ARG2) do { \
34 foof (__builtin_##FUNC##f (ARG1##F, ARG2)); \
35 foo (__builtin_##FUNC (ARG1, ARG2)); \
36 fool (__builtin_##FUNC##l (ARG1##L, ARG2)); \
41 /* An argument of NaN is not evaluated at compile-time. */
42 foof (__builtin_exp2f (__builtin_nanf("")));
43 foo (__builtin_exp2 (__builtin_nan("")));
44 fool (__builtin_exp2l (__builtin_nanl("")));
46 /* An argument of Inf/-Inf is not evaluated at compile-time. */
47 foof (__builtin_exp2f (__builtin_inff()));
48 foo (__builtin_exp2 (__builtin_inf()));
49 fool (__builtin_exp2l (__builtin_infl()));
50 foof (__builtin_exp2f (-__builtin_inff()));
51 foo (__builtin_exp2 (-__builtin_inf()));
52 fool (__builtin_exp2l (-__builtin_infl()));
54 /* Result overflows MPFR, which in version 2.2.x has 30 exponent bits. */
55 TESTIT (exp2, 0x1p50);
56 /* Result underflows MPFR, which in version 2.2.x has 30 exponent bits. */
57 TESTIT (exp2, -0x1p50);
59 /* Result overflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits. */
60 TESTIT (exp2, 0x1p28);
61 /* Result underflows GCC's REAL_VALUE_TYPE, which has 26 exponent bits. */
62 TESTIT (exp2, -0x1p28);
64 /* Result overflows (even an extended) C double's mode. */
65 TESTIT (exp2, 0x1p24);
66 /* Result underflows (even an extended) C double's mode. */
67 TESTIT (exp2, -0x1p24);
69 /* Ensure that normal arguments/results are folded. */
73 /* The asin arg must be [-1 ... 1] inclusive. */
77 /* The acos arg must be [-1 ... 1] inclusive. */
81 /* The acosh arg must be [1 ... Inf] inclusive. */
84 /* The atanh arg must be [-1 ... 1] EXclusive. */
88 /* The log* arg must be [0 ... Inf] EXclusive. */
101 /* The log1p arg must be [-1 ... Inf] EXclusive. */
102 TESTIT (log1p, -2.0);
103 TESTIT (log1p, -1.0);
105 /* The tgamma arg errors with zero or negative integers. */
106 TESTIT (tgamma, 0.0);
107 TESTIT (tgamma, -0.0);
108 TESTIT (tgamma, -1.0);
109 TESTIT (tgamma, -2.0);
110 TESTIT (tgamma, -3.0);
112 /* An argument of NaN is not evaluated at compile-time. */
113 foof (__builtin_powf (__builtin_nanf(""), 2.5F));
114 foo (__builtin_pow (__builtin_nan(""), 2.5));
115 fool (__builtin_powl (__builtin_nanl(""), 2.5L));
116 foof (__builtin_powf (2.5F, __builtin_nanf("")));
117 foo (__builtin_pow (2.5, __builtin_nan("")));
118 fool (__builtin_powl (2.5L, __builtin_nanl("")));
120 /* An argument of Inf/-Inf is not evaluated at compile-time. */
121 foof (__builtin_powf (__builtin_inff(), 2.5F));
122 foo (__builtin_pow (__builtin_inf(), 2.5));
123 fool (__builtin_powl (__builtin_infl(), 2.5L));
124 foof (__builtin_powf (-__builtin_inff(), 2.5F));
125 foo (__builtin_pow (-__builtin_inf(), 2.5));
126 fool (__builtin_powl (-__builtin_infl(), 2.5L));
127 foof (__builtin_powf (2.5F, __builtin_inff()));
128 foo (__builtin_pow (2.5, __builtin_inf()));
129 fool (__builtin_powl (2.5L, __builtin_infl()));
130 foof (__builtin_powf (2.5F, -__builtin_inff()));
131 foo (__builtin_pow (2.5, -__builtin_inf()));
132 fool (__builtin_powl (2.5L, -__builtin_infl()));
134 /* Check for Inv/NaN return values. */
135 TESTIT2 (pow, -0.0, -4.5); /* Returns Inf */
136 TESTIT2 (pow, 0.0, -4.5); /* Returns Inf */
137 TESTIT2 (pow, -3.0, -4.5); /* Returns NaN */
139 /* Check for overflow/underflow. */
140 foof (__builtin_powf (__FLT_MAX__, 3.5F));
141 foo (__builtin_pow (__DBL_MAX__, 3.5));
142 fool (__builtin_powl (__LDBL_MAX__, 3.5L));
143 TESTIT2 (pow, 2.0, 0x1p50);
144 foof (__builtin_powf (__FLT_MAX__, -3.5F));
145 foo (__builtin_pow (__DBL_MAX__, -3.5));
146 fool (__builtin_powl (__LDBL_MAX__, -3.5L));
147 TESTIT2 (pow, 2.0, -0x1p50);
149 foof (__builtin_fmaf (__FLT_MAX__, __FLT_MAX__, 0.0F));
150 foof (__builtin_fmaf (__FLT_MAX__, 1.0F, __FLT_MAX__));
151 foof (__builtin_fmaf (__FLT_MIN__, __FLT_MIN__, 0.0F));
153 foo (__builtin_fma (__DBL_MAX__, __DBL_MAX__, 0.0));
154 foo (__builtin_fma (__DBL_MAX__, 1.0, __DBL_MAX__));
155 foo (__builtin_fma (__DBL_MIN__, __DBL_MIN__, 0.0));
157 fool (__builtin_fmal (__LDBL_MAX__, __LDBL_MAX__, 0.0L));
158 fool (__builtin_fmal (__LDBL_MAX__, 1.0L, __LDBL_MAX__));
159 fool (__builtin_fmal (__LDBL_MIN__, __LDBL_MIN__, 0.0L));
161 /* The sqrt arg must be [0 ... Inf] inclusive. */
166 /* Check for overflow/underflow. */
168 /* These adjustments are too big. */
169 #define FLT_EXP_ADJ (2*(__FLT_MAX_EXP__-__FLT_MIN_EXP__)+1)
170 #define DBL_EXP_ADJ (2*(__DBL_MAX_EXP__-__DBL_MIN_EXP__)+1)
171 #define LDBL_EXP_ADJ (2*(__LDBL_MAX_EXP__-__LDBL_MIN_EXP__)+1)
173 TESTIT2_I2 (ldexp, 1.0, __INT_MAX__);
174 TESTIT2_I2 (ldexp, 1.0, -__INT_MAX__-1);
175 TESTIT2_I2 (ldexp, -1.0, __INT_MAX__);
176 TESTIT2_I2 (ldexp, -1.0, -__INT_MAX__-1);
177 TESTIT2_I2ALL (ldexp, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
178 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
179 TESTIT2_I2ALL (ldexp, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
180 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
181 TESTIT2_I2ALL (ldexp, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
182 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
183 TESTIT2_I2ALL (ldexp, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
184 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
186 TESTIT2_I2 (scalbn, 1.0, __INT_MAX__);
187 TESTIT2_I2 (scalbn, 1.0, -__INT_MAX__-1);
188 TESTIT2_I2 (scalbn, -1.0, __INT_MAX__);
189 TESTIT2_I2 (scalbn, -1.0, -__INT_MAX__-1);
190 TESTIT2_I2ALL (scalbn, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
191 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
192 TESTIT2_I2ALL (scalbn, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
193 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
194 TESTIT2_I2ALL (scalbn, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
195 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
196 TESTIT2_I2ALL (scalbn, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
197 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
199 TESTIT2_I2 (scalbln, 1.0, __LONG_MAX__);
200 TESTIT2_I2 (scalbln, 1.0, -__LONG_MAX__-1);
201 TESTIT2_I2 (scalbln, -1.0, __LONG_MAX__);
202 TESTIT2_I2 (scalbln, -1.0, -__LONG_MAX__-1);
203 TESTIT2_I2ALL (scalbln, __FLT_MIN__, FLT_EXP_ADJ, __DBL_MIN__,
204 DBL_EXP_ADJ, __LDBL_MIN__, LDBL_EXP_ADJ);
205 TESTIT2_I2ALL (scalbln, __FLT_MAX__, -FLT_EXP_ADJ, __DBL_MAX__,
206 -DBL_EXP_ADJ, __LDBL_MAX__, -LDBL_EXP_ADJ);
207 TESTIT2_I2ALL (scalbln, __FLT_MIN__, __FLT_MIN_EXP__, __DBL_MIN__,
208 __DBL_MIN_EXP__, __LDBL_MIN__, __LDBL_MIN_EXP__);
209 TESTIT2_I2ALL (scalbln, __FLT_MAX__, __FLT_MAX_EXP__, __DBL_MAX__,
210 __DBL_MAX_EXP__, __LDBL_MAX__, __LDBL_MAX_EXP__);
216 TESTIT (ilogb, -0.0);
218 foof (__builtin_ilogbf (__builtin_inff()));
219 foo (__builtin_ilogb (__builtin_inf()));
220 fool (__builtin_ilogbl (__builtin_infl()));
221 foof (__builtin_ilogbf (-__builtin_inff()));
222 foo (__builtin_ilogb (-__builtin_inf()));
223 fool (__builtin_ilogbl (-__builtin_infl()));
225 foof (__builtin_ilogbf (__builtin_nanf("")));
226 foo (__builtin_ilogb (__builtin_nan("")));
227 fool (__builtin_ilogbl (__builtin_nanl("")));
228 foof (__builtin_ilogbf (-__builtin_nanf("")));
229 foo (__builtin_ilogb (-__builtin_nan("")));
230 fool (__builtin_ilogbl (-__builtin_nanl("")));
233 /* { dg-final { scan-tree-dump-times "exp2 " 9 "original" } } */
234 /* { dg-final { scan-tree-dump-times "exp2f" 9 "original" } } */
235 /* { dg-final { scan-tree-dump-times "exp2l" 9 "original" } } */
236 /* { dg-final { scan-tree-dump-times "asin " 2 "original" } } */
237 /* { dg-final { scan-tree-dump-times "asinf" 2 "original" } } */
238 /* { dg-final { scan-tree-dump-times "asinl" 2 "original" } } */
239 /* { dg-final { scan-tree-dump-times "acos " 2 "original" } } */
240 /* { dg-final { scan-tree-dump-times "acosf" 2 "original" } } */
241 /* { dg-final { scan-tree-dump-times "acosl" 2 "original" } } */
242 /* { dg-final { scan-tree-dump-times "acosh " 1 "original" } } */
243 /* { dg-final { scan-tree-dump-times "acoshf" 1 "original" } } */
244 /* { dg-final { scan-tree-dump-times "acoshl" 1 "original" } } */
245 /* { dg-final { scan-tree-dump-times "atanh " 2 "original" } } */
246 /* { dg-final { scan-tree-dump-times "atanhf" 2 "original" } } */
247 /* { dg-final { scan-tree-dump-times "atanhl" 2 "original" } } */
248 /* { dg-final { scan-tree-dump-times "log " 3 "original" } } */
249 /* { dg-final { scan-tree-dump-times "logf" 3 "original" } } */
250 /* { dg-final { scan-tree-dump-times "logl" 3 "original" } } */
251 /* { dg-final { scan-tree-dump-times "log2 " 3 "original" } } */
252 /* { dg-final { scan-tree-dump-times "log2f" 3 "original" } } */
253 /* { dg-final { scan-tree-dump-times "log2l" 3 "original" } } */
254 /* { dg-final { scan-tree-dump-times "log10 " 3 "original" } } */
255 /* { dg-final { scan-tree-dump-times "log10f" 3 "original" } } */
256 /* { dg-final { scan-tree-dump-times "log10l" 3 "original" } } */
257 /* { dg-final { scan-tree-dump-times "log1p " 2 "original" } } */
258 /* { dg-final { scan-tree-dump-times "log1pf" 2 "original" } } */
259 /* { dg-final { scan-tree-dump-times "log1pl" 2 "original" } } */
260 /* { dg-final { scan-tree-dump-times "tgamma " 5 "original" } } */
261 /* { dg-final { scan-tree-dump-times "tgammaf" 5 "original" } } */
262 /* { dg-final { scan-tree-dump-times "tgammal" 5 "original" } } */
263 /* { dg-final { scan-tree-dump-times "pow " 13 "original" } } */
264 /* { dg-final { scan-tree-dump-times "powf" 13 "original" } } */
265 /* { dg-final { scan-tree-dump-times "powl" 13 "original" } } */
266 /* { dg-final { scan-tree-dump-times "fma " 3 "original" } } */
267 /* { dg-final { scan-tree-dump-times "fmaf" 3 "original" } } */
268 /* { dg-final { scan-tree-dump-times "fmal" 3 "original" } } */
269 /* { dg-final { scan-tree-dump-times "sqrt " 1 "original" } } */
270 /* { dg-final { scan-tree-dump-times "sqrtf" 1 "original" } } */
271 /* { dg-final { scan-tree-dump-times "sqrtl" 1 "original" } } */
272 /* { dg-final { scan-tree-dump-times "ldexp " 8 "original" } } */
273 /* { dg-final { scan-tree-dump-times "ldexpf" 8 "original" } } */
274 /* { dg-final { scan-tree-dump-times "ldexpl" 8 "original" } } */
275 /* { dg-final { scan-tree-dump-times "scalbn " 8 "original" } } */
276 /* { dg-final { scan-tree-dump-times "scalbnf" 8 "original" } } */
277 /* { dg-final { scan-tree-dump-times "scalbnl" 8 "original" } } */
278 /* { dg-final { scan-tree-dump-times "scalbln " 8 "original" } } */
279 /* { dg-final { scan-tree-dump-times "scalblnf" 8 "original" } } */
280 /* { dg-final { scan-tree-dump-times "scalblnl" 8 "original" } } */
281 /* { dg-final { scan-tree-dump-times "_logb " 2 "original" } } */
282 /* { dg-final { scan-tree-dump-times "_logbf" 2 "original" } } */
283 /* { dg-final { scan-tree-dump-times "_logbl" 2 "original" } } */
284 /* { dg-final { scan-tree-dump-times "ilogb " 6 "original" } } */
285 /* { dg-final { scan-tree-dump-times "ilogbf" 6 "original" } } */
286 /* { dg-final { scan-tree-dump-times "ilogbl" 6 "original" } } */
287 /* { dg-final { cleanup-tree-dump "original" } } */