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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/20020108-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20020108-1.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20020108-1.c b/gcc/testsuite/gcc.c-torture/execute/20020108-1.c new file mode 100644 index 000000000..58f96673b --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20020108-1.c @@ -0,0 +1,203 @@ +/* This file tests shifts in various integral modes. */ + +#include <limits.h> + +#define CAT(A, B) A ## B + +#define REPEAT_8 \ +REPEAT_FN ( 0) \ +REPEAT_FN ( 1) \ +REPEAT_FN ( 2) \ +REPEAT_FN ( 3) \ +REPEAT_FN ( 4) \ +REPEAT_FN ( 5) \ +REPEAT_FN ( 6) \ +REPEAT_FN ( 7) + +#define REPEAT_16 \ +REPEAT_8 \ +REPEAT_FN ( 8) \ +REPEAT_FN ( 9) \ +REPEAT_FN (10) \ +REPEAT_FN (11) \ +REPEAT_FN (12) \ +REPEAT_FN (13) \ +REPEAT_FN (14) \ +REPEAT_FN (15) + +#define REPEAT_32 \ +REPEAT_16 \ +REPEAT_FN (16) \ +REPEAT_FN (17) \ +REPEAT_FN (18) \ +REPEAT_FN (19) \ +REPEAT_FN (20) \ +REPEAT_FN (21) \ +REPEAT_FN (22) \ +REPEAT_FN (23) \ +REPEAT_FN (24) \ +REPEAT_FN (25) \ +REPEAT_FN (26) \ +REPEAT_FN (27) \ +REPEAT_FN (28) \ +REPEAT_FN (29) \ +REPEAT_FN (30) \ +REPEAT_FN (31) + +/* Define 8-bit shifts. */ +#if CHAR_BIT == 8 +typedef unsigned int u8 __attribute__((mode(QI))); +typedef signed int s8 __attribute__((mode(QI))); + +#define REPEAT_FN(COUNT) \ +u8 CAT (ashift_qi_, COUNT) (u8 n) { return n << COUNT; } +REPEAT_8 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +u8 CAT (lshiftrt_qi_, COUNT) (u8 n) { return n >> COUNT; } +REPEAT_8 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +s8 CAT (ashiftrt_qi_, COUNT) (s8 n) { return n >> COUNT; } +REPEAT_8 +#undef REPEAT_FN +#endif /* CHAR_BIT == 8 */ + +/* Define 16-bit shifts. */ +#if CHAR_BIT == 8 || CHAR_BIT == 16 +#if CHAR_BIT == 8 +typedef unsigned int u16 __attribute__((mode(HI))); +typedef signed int s16 __attribute__((mode(HI))); +#elif CHAR_BIT == 16 +typedef unsigned int u16 __attribute__((mode(QI))); +typedef signed int s16 __attribute__((mode(QI))); +#endif + +#define REPEAT_FN(COUNT) \ +u16 CAT (ashift_hi_, COUNT) (u16 n) { return n << COUNT; } +REPEAT_16 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +u16 CAT (lshiftrt_hi_, COUNT) (u16 n) { return n >> COUNT; } +REPEAT_16 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +s16 CAT (ashiftrt_hi_, COUNT) (s16 n) { return n >> COUNT; } +REPEAT_16 +#undef REPEAT_FN +#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 */ + +/* Define 32-bit shifts. */ +#if CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 +#if CHAR_BIT == 8 +typedef unsigned int u32 __attribute__((mode(SI))); +typedef signed int s32 __attribute__((mode(SI))); +#elif CHAR_BIT == 16 +typedef unsigned int u32 __attribute__((mode(HI))); +typedef signed int s32 __attribute__((mode(HI))); +#elif CHAR_BIT == 32 +typedef unsigned int u32 __attribute__((mode(QI))); +typedef signed int s32 __attribute__((mode(QI))); +#endif + +#define REPEAT_FN(COUNT) \ +u32 CAT (ashift_si_, COUNT) (u32 n) { return n << COUNT; } +REPEAT_32 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +u32 CAT (lshiftrt_si_, COUNT) (u32 n) { return n >> COUNT; } +REPEAT_32 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +s32 CAT (ashiftrt_si_, COUNT) (s32 n) { return n >> COUNT; } +REPEAT_32 +#undef REPEAT_FN +#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 */ + +extern void abort (void); +extern void exit (int); + +int +main () +{ + /* Test 8-bit shifts. */ +#if CHAR_BIT == 8 +# define REPEAT_FN(COUNT) \ + if (CAT (ashift_qi_, COUNT) (0xff) != (u8) ((u8)0xff << COUNT)) abort (); + REPEAT_8; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_qi_, COUNT) (0xff) != (u8) ((u8)0xff >> COUNT)) abort (); + REPEAT_8; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_qi_, COUNT) (-1) != -1) abort (); + REPEAT_8; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_qi_, COUNT) (0) != 0) abort (); + REPEAT_8; +# undef REPEAT_FN +#endif /* CHAR_BIT == 8 */ + + /* Test 16-bit shifts. */ +#if CHAR_BIT == 8 || CHAR_BIT == 16 +# define REPEAT_FN(COUNT) \ + if (CAT (ashift_hi_, COUNT) (0xffff) \ + != (u16) ((u16) 0xffff << COUNT)) abort (); + REPEAT_16; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_hi_, COUNT) (0xffff) \ + != (u16) ((u16) 0xffff >> COUNT)) abort (); + REPEAT_16; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_hi_, COUNT) (-1) != -1) abort (); + REPEAT_16; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_hi_, COUNT) (0) != 0) abort (); + REPEAT_16; +# undef REPEAT_FN +#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 */ + + /* Test 32-bit shifts. */ +#if CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 +# define REPEAT_FN(COUNT) \ + if (CAT (ashift_si_, COUNT) (0xffffffff) \ + != (u32) ((u32) 0xffffffff << COUNT)) abort (); + REPEAT_32; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_si_, COUNT) (0xffffffff) \ + != (u32) ((u32) 0xffffffff >> COUNT)) abort (); + REPEAT_32; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_si_, COUNT) (-1) != -1) abort (); + REPEAT_32; +# undef REPEAT_FN + +# define REPEAT_FN(COUNT) \ + if (CAT (ashiftrt_si_, COUNT) (0) != 0) abort (); + REPEAT_32; +# undef REPEAT_FN +#endif /* CHAR_BIT == 8 || CHAR_BIT == 16 || CHAR_BIT == 32 */ + + exit (0); +} |