diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20020108-1.c | 184 |
1 files changed, 184 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 00000000000..a6bdffc2ef7 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20020108-1.c @@ -0,0 +1,184 @@ +/* This file tests shifts in QImode, HImode, and SImode. */ + +#define CAT(A, B) A ## B + +/* Define 8-bit shifts. */ + +#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) + +typedef unsigned char uchar; +typedef signed char schar; + +#define REPEAT_FN(COUNT) \ +uchar CAT (ashift_qi_, COUNT) (uchar n) { return n << COUNT; } +REPEAT_8 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +uchar CAT (lshiftrt_qi_, COUNT) (uchar n) { return n >> COUNT; } +REPEAT_8 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +schar CAT (ashiftrt_qi_, COUNT) (schar n) { return n >> COUNT; } +REPEAT_8 +#undef REPEAT_FN + +/* Define 16-bit shifts. */ + +#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) + +typedef unsigned short ushort; +typedef signed short sshort; + +#define REPEAT_FN(COUNT) \ +ushort CAT (ashift_hi_, COUNT) (ushort n) { return n << COUNT; } +REPEAT_16 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +ushort CAT (lshiftrt_hi_, COUNT) (ushort n) { return n >> COUNT; } +REPEAT_16 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +sshort CAT (ashiftrt_hi_, COUNT) (sshort n) { return n >> COUNT; } +REPEAT_16 +#undef REPEAT_FN + +/* Define 32-bit shifts. */ + +#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) + +typedef unsigned long ulong; +typedef signed long slong; + +#define REPEAT_FN(COUNT) \ +ulong CAT (ashift_si_, COUNT) (ulong n) { return n << COUNT; } +REPEAT_32 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +ulong CAT (lshiftrt_si_, COUNT) (ulong n) { return n >> COUNT; } +REPEAT_32 +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ +slong CAT (ashiftrt_si_, COUNT) (slong n) { return n >> COUNT; } +REPEAT_32 +#undef REPEAT_FN + +extern void abort (void); +extern void exit (int); + +int +main () +{ + /* Test 8-bit shifts. */ + +#define REPEAT_FN(COUNT) \ + if (CAT (ashift_qi_, COUNT) (0xff) \ + != (uchar) (0xff << COUNT)) abort (); + REPEAT_8; +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_qi_, COUNT) (0xff) \ + != (uchar) (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 + + /* Test 16-bit shifts. */ + +#define REPEAT_FN(COUNT) \ + if (CAT (ashift_hi_, COUNT) (0xffff) \ + != (ushort) (0xffff << COUNT)) abort (); + REPEAT_16; +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_hi_, COUNT) (0xffff) \ + != (ushort) (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 + + /* Test 32-bit shifts. */ + +#define REPEAT_FN(COUNT) \ + if (CAT (ashift_si_, COUNT) (0xffffffff) \ + != (ulong) (0xffffffff << COUNT)) abort (); + REPEAT_32; +#undef REPEAT_FN + +#define REPEAT_FN(COUNT) \ + if (CAT (lshiftrt_si_, COUNT) (0xffffffff) \ + != (ulong) (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 + + exit (0); +} |
