diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-cproj-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-cproj-1.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-cproj-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-cproj-1.c new file mode 100644 index 000000000..53ae6046a --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/builtin-cproj-1.c @@ -0,0 +1,247 @@ +/* Copyright (C) 2010 Free Software Foundation. + + Verify that folding of built-in cproj is correctly performed by the + compiler. + + Origin: Kaveh R. Ghazi, April 9, 2010. */ + +/* { dg-do link } */ +/* { dg-add-options ieee } */ + +/* All references to link_error should go away at compile-time. The + argument is the __LINE__ number. It appears in the tree dump file + and aids in debugging should any of the tests fail. */ +extern void link_error(int); + +#define CPROJ(X) __builtin_cproj(X) +#define CPROJF(X) __builtin_cprojf(X) +#define CPROJL(X) __builtin_cprojl(X) +#ifndef __SPU__ +#define INF __builtin_inff() +#else +#define INF __builtin_inf() +#endif +#define I 1i +#define CPSGN(X,Y) __builtin_copysignf((X),(Y)) +#define CIMAG(X) __builtin_cimagf(X) +#define CREAL(X) __builtin_crealf(X) + +/* Check that the signs of the real and/or imaginary parts of two + complex numbers match. */ +#define CKSGN(X,Y) (CKSGN_R(X,Y) || CKSGN_I(X,Y)) +#define CKSGN_R(X,Y) (CPSGN(1,CREAL(X)) != CPSGN(1,CREAL(Y))) +#define CKSGN_I(X,Y) (CPSGN(1,CIMAG(X)) != CPSGN(1,CIMAG(Y))) + +/* Test that (cproj(X) == ZERO+Inf) and that the signs of the + imaginary parts match. ZERO is +/- 0i. */ +#ifndef __SPU__ +#define TEST_CST_INF(X,ZERO) do { \ + if (CPROJF(X) != ZERO+INF || CKSGN_I(CPROJF(X),ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJ(X) != ZERO+INF || CKSGN_I(CPROJ(X),ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(X) != ZERO+INF || CKSGN_I(CPROJL(X),ZERO+INF)) \ + link_error(__LINE__); \ +} while (0) +#else +#define TEST_CST_INF(X,ZERO) do { \ + if (CPROJ(X) != ZERO+INF || CKSGN_I(CPROJ(X),ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(X) != ZERO+INF || CKSGN_I(CPROJL(X),ZERO+INF)) \ + link_error(__LINE__); \ +} while (0) +#endif + +/* Test that (cproj(X) == X) for all finite (X). */ +#define TEST_CST(X) do { \ + if (CPROJF(X) != (X) || CKSGN(CPROJF(X),(X))) \ + link_error(__LINE__); \ +} while (0) + +/* Test that cproj(X + I*INF) -> (ZERO + INF), where ZERO is +-0i. + NEG is either blank or a minus sign when ZERO is negative. */ +#ifndef __SPU__ +#define TEST_IMAG_INF(NEG,ZERO) do { \ + if (CPROJF(f+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJF(f+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJ(d+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJ(d+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(ld+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJL(ld+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ +} while (0) +#else +#define TEST_IMAG_INF(NEG,ZERO) do { \ + if (CPROJ(d+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJ(d+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(ld+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJL(ld+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ +} while (0) +#endif + +/* Like TEST_IMAG_INF, but check that side effects are honored. */ +#ifndef __SPU__ +#define TEST_IMAG_INF_SIDE_EFFECT(NEG,ZERO) do { \ + int side = 4; \ + if (CPROJF(++side+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJF(++side+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJ(++side+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJ(++side+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(++side+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJL(++side+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (side != 10) \ + link_error(__LINE__); \ +} while (0) +#else +#define TEST_IMAG_INF_SIDE_EFFECT(NEG,ZERO) do { \ + int side = 4; \ + if (CPROJ(++side+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJ(++side+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (CPROJL(++side+I*NEG INF) != ZERO+INF \ + || CKSGN_I (CPROJL(++side+I*NEG INF), ZERO+INF)) \ + link_error(__LINE__); \ + if (side != 8) \ + link_error(__LINE__); \ +} while (0) +#endif + +/* Test that cproj(INF, POSITIVE) -> INF+0i. NEG is either blank or a + minus sign to test negative INF. */ +#ifndef __SPU__ +#define TEST_REAL_INF(NEG) do { \ + __real cf = NEG INF; \ + __imag cf = (x ? 4 : 5); \ + if (CPROJF(cf) != INF \ + || CKSGN_I (CPROJF(cf), INF)) \ + link_error(__LINE__); \ + __real cd = NEG INF; \ + __imag cd = (x ? 4 : 5); \ + if (CPROJ(cd) != INF \ + || CKSGN_I (CPROJ(cd), INF)) \ + link_error(__LINE__); \ + __real cld = NEG INF; \ + __imag cld = (x ? 4 : 5); \ + if (CPROJL(cld) != INF \ + || CKSGN_I (CPROJL(cld), INF)) \ + link_error(__LINE__); \ +} while (0) +#else +#define TEST_REAL_INF(NEG) do { \ + __real cd = NEG INF; \ + __imag cd = (x ? 4 : 5); \ + if (CPROJ(cd) != INF \ + || CKSGN_I (CPROJ(cd), INF)) \ + link_error(__LINE__); \ + __real cld = NEG INF; \ + __imag cld = (x ? 4 : 5); \ + if (CPROJL(cld) != INF \ + || CKSGN_I (CPROJL(cld), INF)) \ + link_error(__LINE__); \ +} while (0) +#endif + +/* Like TEST_REAL_INF, but check that side effects are honored. */ +#ifndef __SPU__ +#define TEST_REAL_INF_SIDE_EFFECT(NEG) do { \ + int side = -9; \ + __real cf = NEG INF; \ + __imag cf = (x ? 4 : 5); \ + if (CPROJF((++side,cf)) != INF \ + || CKSGN_I (CPROJF((++side,cf)), INF)) \ + link_error(__LINE__); \ + __real cd = NEG INF; \ + __imag cd = (x ? 4 : 5); \ + if (CPROJ((++side,cd)) != INF \ + || CKSGN_I (CPROJ((++side,cd)), INF)) \ + link_error(__LINE__); \ + __real cld = NEG INF; \ + __imag cld = (x ? 4 : 5); \ + if (CPROJL((++side,cld)) != INF \ + || CKSGN_I (CPROJL((++side,cld)), INF)) \ + link_error(__LINE__); \ + if (side != -3) \ + link_error(__LINE__); \ +} while (0) +#else +#define TEST_REAL_INF_SIDE_EFFECT(NEG) do { \ + int side = -9; \ + __real cd = NEG INF; \ + __imag cd = (x ? 4 : 5); \ + if (CPROJ((++side,cd)) != INF \ + || CKSGN_I (CPROJ((++side,cd)), INF)) \ + link_error(__LINE__); \ + __real cld = NEG INF; \ + __imag cld = (x ? 4 : 5); \ + if (CPROJL((++side,cld)) != INF \ + || CKSGN_I (CPROJL((++side,cld)), INF)) \ + link_error(__LINE__); \ + if (side != -5) \ + link_error(__LINE__); \ +} while (0) +#endif + +void foo (_Complex long double cld, _Complex double cd, _Complex float cf, + long double ld, double d, float f, int x) +{ + TEST_CST_INF (INF+0I, 0); + TEST_CST_INF (INF-0I, -0.FI); + TEST_CST_INF (INF+4I, 0); + TEST_CST_INF (INF-4I, -0.FI); + TEST_CST_INF (-INF+0I, 0); + TEST_CST_INF (-INF-0I, -0.FI); + TEST_CST_INF (-INF+4I, 0); + TEST_CST_INF (-INF-4I, -0.FI); + + TEST_CST_INF (0+I*INF, 0); + TEST_CST_INF (0-I*INF, -0.FI); + TEST_CST_INF (23+I*INF, 0); + TEST_CST_INF (23-I*INF, -0.FI); + TEST_CST_INF (-0.F+I*INF, 0); + TEST_CST_INF (-0.F-I*INF, -0.FI); + TEST_CST_INF (-23+I*INF, 0); + TEST_CST_INF (-23-I*INF, -0.FI); + + TEST_CST_INF (INF+I*INF, 0); + TEST_CST_INF (INF-I*INF, -0.FI); + TEST_CST_INF (-INF+I*INF, 0); + TEST_CST_INF (-INF-I*INF, -0.FI); + + TEST_CST (0); + TEST_CST (-0.F); + TEST_CST (0-0.FI); + TEST_CST (-0.F-0.FI); + + TEST_CST (22+3I); + TEST_CST (22-3I); + TEST_CST (-22+3I); + TEST_CST (-22-3I); + + TEST_IMAG_INF (,0.FI); + TEST_IMAG_INF (-,-0.FI); + +#ifdef __OPTIMIZE__ + TEST_REAL_INF( ); + TEST_REAL_INF(-); + + TEST_IMAG_INF_SIDE_EFFECT (,0.FI); + TEST_IMAG_INF_SIDE_EFFECT (-,-0.FI); + + TEST_REAL_INF_SIDE_EFFECT( ); + TEST_REAL_INF_SIDE_EFFECT(-); +#endif + + return; +} + +int main (void) +{ + return 0; +} |