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/* bug-2820.c
Redundancy elimination ignored the difference between integer and floating-point arithmetic operations.
*/
#include <testfwk.h>
#include <stdint.h>
typedef union
{
int32_t i;
float f;
} intflt;
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
void sum(int8_t tp, intflt *if1, intflt *if2)
{
if(tp)
(*if1).f *= (*if2).f;
else
(*if1).i *= (*if2).i;
}
void sum2(int8_t tp, intflt *if1, intflt *if2)
{
if(tp)
(*if1).f += (*if2).f;
else
(*if1).i += (*if2).i;
}
#endif
void testBug(void)
{
#if !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Lack of memory
intflt data;
data.i = -23;
sum(0, &data, &data);
ASSERT(data.i == -23 * -23);
data.f = -23.0f;
sum(1, &data, &data);
ASSERT(data.f == -23.0f * -23.0f);
data.i = -23;
sum2(0, &data, &data);
ASSERT(data.i == -23 + -23);
data.f = -23.0f;
sum2(1, &data, &data);
ASSERT(data.f == -23.0f + -23.0f);
#endif
}
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