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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-nonneg-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-nonneg-1.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-nonneg-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-nonneg-1.c new file mode 100644 index 000000000..8a3286a59 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-nonneg-1.c @@ -0,0 +1,180 @@ +/* Copyright (C) 2004 Free Software Foundation. + + Verify that GCC can determine which built-in functions produce a + nonnegative result. + + Written by Kaveh Ghazi, 2004-03-10. */ + +/* { dg-do link } */ +/* { dg-options "-ffast-math" } */ + +#define PROTOTYPE_RTYPE(FN,RTYPE) extern RTYPE FN(double); \ + extern RTYPE FN##f(float); \ + extern RTYPE FN##l(long double); +#define PROTOTYPE(FN) extern double FN(double); extern float FN##f(float); \ + extern long double FN##l(long double); +#define PROTOTYPE2(FN) extern double FN(double, double); \ + extern float FN##f(float, float); \ + extern long double FN##l(long double, long double); +#define CPROTOTYPE1(FN) extern double FN(_Complex double); \ + extern float FN##f(_Complex float); \ + extern long double FN##l(_Complex long double); +#define CPROTOTYPE1(FN) extern double FN(_Complex double); \ + extern float FN##f(_Complex float); \ + extern long double FN##l(_Complex long double); +#define IPROTOTYPE(FN) extern int FN(int); extern int FN##l(long); \ + extern int FN##ll(long long); +#define PROTOTYPE2TYPE2(FN,A2TYPE) extern double FN(double, A2TYPE); \ + extern float FN##f(float, A2TYPE); \ + extern long double FN##l(long double, A2TYPE); +#define PROTOTYPE2_A2FPTR(FN) extern double FN(double, double *); \ + extern float FN##f(float, float *); \ + extern long double FN##l(long double, long double *); + +extern int signbit (double); +extern int signbitf (float); +extern int signbitl (long double); + +void test(double d1, double d2, float f1, float f2, + long double ld1, long double ld2) +{ + /* These are always nonnegative. */ + +#define TEST1(FN) \ + extern void link_failure_##FN (void); PROTOTYPE(FN) \ + if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \ + link_failure_##FN() + +#define TEST2(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2(FN) \ + if (signbit(FN(d1,d2)) || signbitf(FN##f(f1,f2)) || signbitl(FN##l(ld1,ld2))) \ + link_failure_##FN() + +#define CTEST1(FN) \ + extern void link_failure_##FN (void); CPROTOTYPE1(FN) \ + if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \ + link_failure_##FN() + +#define ITEST1(FN) \ + extern void link_failure_##FN (void); IPROTOTYPE(FN) \ + if (signbit(FN(d1)) || signbitf(FN##l(f1)) || signbitl(FN##ll(ld1))) \ + link_failure_##FN() + + TEST1 (acos); + TEST1 (acosh); + CTEST1 (cabs); + TEST1 (cosh); + TEST1 (erfc); + TEST1 (exp); + TEST1 (exp10); + TEST1 (exp2); + TEST1 (fabs); + TEST2 (fdim); + TEST2 (hypot); + TEST1 (pow10); + TEST1 (sqrt); + ITEST1 (ffs); + ITEST1 (__builtin_parity); + ITEST1 (__builtin_popcount); + + /* These are nonnegative if the first argument is. */ +#define ARG1TEST1(FN) \ + extern void link_failure_##FN (void); PROTOTYPE(FN) \ + if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \ + || signbitl(FN##l(fabsl(ld1)))) \ + link_failure_##FN() + + /* Same, but allow specifying the return type. */ +#define ARG1TEST1_RTYPE(FN,RTYPE) \ + extern void link_failure_##FN (void); PROTOTYPE_RTYPE(FN,RTYPE) \ + if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \ + || signbitl(FN##l(fabsl(ld1)))) \ + link_failure_##FN() + + /* These are nonnegative if the first argument is. */ +#define ARG1TEST2(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2(FN) \ + if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ + || signbitl(FN##l(fabsl(ld1),ld2))) \ + link_failure_##FN() + + /* These are nonnegative if the second argument is. */ +#define ARG2TEST2(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2(FN) \ + if (signbit(FN(d1,fabs(d2))) || signbitf(FN##f(f1,fabsf(f2))) \ + || signbitl(FN##l(ld1,fabsl(ld2)))) \ + link_failure_##FN() + + /* These are nonnegative if the first OR second argument is. */ +#define ARG2TESTor(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2(FN) \ + if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ + || signbitl(FN##l(fabsl(ld1),ld2)) || signbit(FN(d1,fabs(d2))) \ + || signbitf(FN##f(f1,fabsf(f2))) || signbitl(FN##l(ld1,fabsl(ld2)))) \ + link_failure_##FN() + + /* These are nonnegative if the first AND second argument is. */ +#define ARG2TESTand(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2(FN) \ + if (signbit(FN(fabs(d1),fabs(d2))) || signbitf(FN##f(fabsf(f1),fabsf(f2))) \ + || signbitl(FN##l(fabsl(ld1),fabsl(ld2)))) \ + link_failure_##FN() + + /* These are nonnegative if the first argument is, 2nd arg is an int. */ +#define ARG1TEST2_A2INT(FN, INTTYPE) \ + extern void link_failure_##FN (void); PROTOTYPE2TYPE2(FN, INTTYPE) \ + if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ + || signbitl(FN##l(fabsl(ld1),ld2))) \ + link_failure_##FN() + + /* These are nonnegative if the first argument is, specify 2nd arg. */ +#define ARG2TEST1_A2FPTR(FN) \ + extern void link_failure_##FN (void); PROTOTYPE2_A2FPTR(FN) \ + if (signbit(FN(fabs(d1),&d2)) || signbitf(FN##f(fabsf(f1),&f2)) \ + || signbitl(FN##l(fabsl(ld1),&ld2))) \ + link_failure_##FN() + + ARG1TEST1 (asinh); + ARG1TEST1 (atan); + ARG1TEST1 (atanh); + ARG1TEST1 (cbrt); + ARG1TEST1 (ceil); + ARG1TEST1 (erf); + ARG1TEST1 (expm1); + ARG1TEST1 (floor); + ARG1TEST2 (fmod); + ARG1TEST2_A2INT (ldexp, int); + ARG1TEST1_RTYPE (__builtin_llceil, long long); + ARG1TEST1_RTYPE (__builtin_llfloor, long long); + ARG1TEST1_RTYPE (llrint, long long); + ARG1TEST1_RTYPE (llround, long long); + ARG1TEST1_RTYPE (__builtin_lceil, long); + ARG1TEST1_RTYPE (__builtin_lfloor, long); + ARG1TEST1_RTYPE (lrint, long); + ARG1TEST1_RTYPE (lround, long); + /* The modf* functions aren't ever "const" or "pure" even with + -ffast-math so they won't be eliminated and yield a link failure. */ + /* ARG2TEST1_A2FPTR (modf);*/ + ARG1TEST1 (nearbyint); + ARG1TEST2 (pow); + ARG1TEST1 (rint); + ARG1TEST1 (round); + ARG1TEST2 (scalb); + ARG1TEST2_A2INT (scalbln, long); + ARG1TEST2_A2INT (scalbn, int); + ARG1TEST1_RTYPE (signbit, int); + ARG1TEST1 (significand); + ARG1TEST1 (sinh); + ARG1TEST1 (tanh); + ARG1TEST1 (trunc); + + ARG2TESTor (fmax); + ARG2TESTand (fmin); + ARG2TEST2 (copysign); + +} + +int main (void) +{ + return 0; +} |