Mercurial > hg > CbC > CbC_gcc
view libffi/testsuite/libffi.call/return_fl2.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* Area: ffi_call Purpose: Check return value float. Limitations: none. PR: none. Originator: <andreast@gcc.gnu.org> 20050212 */ /* { dg-do run } */ #include "ffitest.h" /* Use volatile float to avoid false negative on ix86. See PR target/323. */ static float return_fl(float fl1, float fl2, float fl3, float fl4) { volatile float sum; sum = fl1 + fl2 + fl3 + fl4; return sum; } int main (void) { ffi_cif cif; ffi_type *args[MAX_ARGS]; void *values[MAX_ARGS]; float fl1, fl2, fl3, fl4, rfl; volatile float sum; args[0] = &ffi_type_float; args[1] = &ffi_type_float; args[2] = &ffi_type_float; args[3] = &ffi_type_float; values[0] = &fl1; values[1] = &fl2; values[2] = &fl3; values[3] = &fl4; /* Initialize the cif */ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &ffi_type_float, args) == FFI_OK); fl1 = 127.0; fl2 = 128.0; fl3 = 255.1; fl4 = 512.7; ffi_call(&cif, FFI_FN(return_fl), &rfl, values); printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4)); sum = fl1 + fl2 + fl3 + fl4; CHECK(rfl == sum); exit(0); }