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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [20020108-1.c] - Rev 826
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/* 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); }