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/** Tests argument passing to functions.
Assumes that up to the first two arguments can be passed in registers.
type1: char, int, long
type2: char, int, long
type3: char, int, long
*/
#include <testfwk.h>
#define TYPE3_{type3}
static {type1}
returnFirstArg({type1} arg1, {type2} arg2, {type3} arg3)
{
UNUSED(arg2);
UNUSED(arg3);
return arg1;
}
static {type2}
returnSecondArg({type1} arg1, {type2} arg2, {type3} arg3)
{
UNUSED(arg1);
UNUSED(arg3);
return arg2;
}
static {type3}
returnThirdArg({type1} arg1, {type2} arg2, {type3} arg3)
{
UNUSED(arg1);
UNUSED(arg2);
return arg3;
}
static void
testArgs(void)
{
#if !(defined(__SDCC_pdk14) && defined(TYPE3_long)) // Not enough RAM
ASSERT(returnFirstArg(123, 45, 67) == ({type1})123);
ASSERT(returnFirstArg(-123, 45, 67) == ({type1})-123);
ASSERT(returnSecondArg(1, -23, 64) == ({type2})-23);
ASSERT(returnSecondArg(1, 8, 64) == ({type2})8);
ASSERT(returnThirdArg(-33, -34, -35) == ({type3})-35);
ASSERT(returnThirdArg(-33, -34, 35) == ({type3})35);
#endif
}
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