1 /* Area: ffi_call 2 Purpose: Promotion test. 3 Limitations: none. 4 PR: none. 5 Originator: From the original ffitest.c */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 static int promotion(signed char sc, signed short ss, 10 unsigned char uc, unsigned short us) 11 { 12 int r = (int) sc + (int) ss + (int) uc + (int) us; 13 14 return r; 15 } 16 17 int main (void) 18 { 19 ffi_cif cif; 20 ffi_type *args[MAX_ARGS]; 21 void *values[MAX_ARGS]; 22 ffi_arg rint; 23 signed char sc; 24 unsigned char uc; 25 signed short ss; 26 unsigned short us; 27 unsigned long ul; 28 29 args[0] = &ffi_type_schar; 30 args[1] = &ffi_type_sshort; 31 args[2] = &ffi_type_uchar; 32 args[3] = &ffi_type_ushort; 33 values[0] = ≻ 34 values[1] = &ss; 35 values[2] = &uc; 36 values[3] = &us; 37 38 /* Initialize the cif */ 39 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, 40 &ffi_type_sint, args) == FFI_OK); 41 42 us = 0; 43 ul = 0; 44 45 for (sc = (signed char) -127; 46 sc <= (signed char) 120; sc += 1) 47 for (ss = -30000; ss <= 30000; ss += 10000) 48 for (uc = (unsigned char) 0; 49 uc <= (unsigned char) 200; uc += 20) 50 for (us = 0; us <= 60000; us += 10000) 51 { 52 ul++; 53 ffi_call(&cif, FFI_FN(promotion), &rint, values); 54 CHECK((int)rint == (signed char) sc + (signed short) ss + 55 (unsigned char) uc + (unsigned short) us); 56 } 57 printf("%lu promotion tests run\n", ul); 58 exit(0); 59 } 60
