diff options
Diffstat (limited to 'tcctest.c')
| -rw-r--r-- | tcctest.c | 181 |
1 files changed, 180 insertions, 1 deletions
@@ -67,6 +67,9 @@ void relocation_test(void); void old_style_function(void); void sizeof_test(void); void typeof_test(void); +void local_label_test(void); +void statement_expr_test(void); +void asm_test(void); int fib(int n); void num(int n); @@ -200,7 +203,7 @@ void macro_test(void) #line 203 "test" printf("__LINE__=%d __FILE__=%s\n", __LINE__, __FILE__); -#line 200 "tcctest.c" +#line 206 "tcctest.c" /* not strictly preprocessor, but we test it there */ #ifdef C99_MACROS @@ -467,6 +470,9 @@ int main(int argc, char **argv) old_style_function(); sizeof_test(); typeof_test(); + statement_expr_test(); + local_label_test(); + asm_test(); return 0; } @@ -839,6 +845,16 @@ void bool_test() } } + /* test ? : GCC extension */ + { + static int v1 = 34 ? : -1; /* constant case */ + static int v2 = 0 ? : -1; /* constant case */ + int a = 30; + + printf("%d %d\n", v1, v2); + printf("%d %d\n", a - 30 ? : a * 2, a + 1 ? : a * 2); + } + /* again complex expression */ for(i=0;i<256;i++) { if (toupper1 (i) != TOUPPER (i)) @@ -846,7 +862,13 @@ void bool_test() } } +/* GCC accepts that */ +static int tab_reinit[]; +static int tab_reinit[10]; +//int cinit1; /* a global variable can be defined several times without error ! */ +int cinit1; +int cinit1; int cinit1 = 0; int *cinit2 = (int []){3, 2, 1}; @@ -1072,6 +1094,12 @@ struct bar { "a2", 1 }; +int sinit18[10] = { + [2 ... 5] = 20, + 2, + [8] = 10, +}; + void init_test(void) { int linit1 = 2; @@ -1161,8 +1189,12 @@ void init_test(void) printf("sinit17=%s %d %s %d\n", sinit17[0].s, sinit17[0].len, sinit17[1].s, sinit17[1].len); + for(i=0;i<10;i++) + printf("%x ", sinit18[i]); + printf("\n"); } + void switch_test() { int i; @@ -1659,3 +1691,150 @@ void typeof_test(void) c = 3.5; printf("a=%f b=%f c=%f\n", a, b, c); } + +void statement_expr_test(void) +{ + int a, i; + + a = 0; + for(i=0;i<10;i++) { + a += 1 + + ( { int b, j; + b = 0; + for(j=0;j<5;j++) + b += j; b; + } ); + } + printf("a=%d\n", a); + +} + +void local_label_test(void) +{ + int a; + goto l1; + l2: + a = 1 + ({ + __label__ l1, l2, l3; + goto l4; + l5: + printf("aa1\n"); + goto l1; + l2: + printf("aa3\n"); + goto l3; + l1: + printf("aa2\n"); + goto l2; + l3:; + 1; + }); + printf("a=%d\n", a); + return; + l1: + printf("bb1\n"); + goto l2; + l4: + printf("bb2\n"); + goto l5; +} + +/* inline assembler test */ +#ifdef __i386__ + +/* from linux kernel */ +static char * strncat1(char * dest,const char * src,size_t count) +{ +int d0, d1, d2, d3; +__asm__ __volatile__( + "repne\n\t" + "scasb\n\t" + "decl %1\n\t" + "movl %8,%3\n" + "1:\tdecl %3\n\t" + "js 2f\n\t" + "lodsb\n\t" + "stosb\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n" + "2:\txorl %2,%2\n\t" + "stosb" + : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) + : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count) + : "memory"); +return dest; +} + +static inline void * memcpy1(void * to, const void * from, size_t n) +{ +int d0, d1, d2; +__asm__ __volatile__( + "rep ; movsl\n\t" + "testb $2,%b4\n\t" + "je 1f\n\t" + "movsw\n" + "1:\ttestb $1,%b4\n\t" + "je 2f\n\t" + "movsb\n" + "2:" + : "=&c" (d0), "=&D" (d1), "=&S" (d2) + :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from) + : "memory"); +return (to); +} + +static __inline__ void sigaddset1(unsigned int *set, int _sig) +{ + __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); +} + +static __inline__ void sigdelset1(unsigned int *set, int _sig) +{ + asm("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); +} + +static __inline__ __const__ unsigned int swab32(unsigned int x) +{ + __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ + "rorl $16,%0\n\t" /* swap words */ + "xchgb %b0,%h0" /* swap higher bytes */ + :"=q" (x) + : "0" (x)); + return x; +} + +unsigned int set; + +void asm_test(void) +{ + char buf[128]; + unsigned int val; + + printf("inline asm:\n"); + memcpy1(buf, "hello", 6); + strncat1(buf, " worldXXXXX", 3); + printf("%s\n", buf); + + set = 0xff; + sigdelset1(&set, 2); + sigaddset1(&set, 16); + /* NOTE: we test here if C labels are correctly restored after the + asm statement */ + goto label1; + label2: + __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc"); + printf("set=0x%x\n", set); + val = 0x01020304; + printf("swab32(0x%08x) = 0x%0x\n", val, swab32(val)); + return; + label1: + goto label2; +} + +#else + +void asm_test(void) +{ +} + +#endif |