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/*
bug-2632.c
A temporary in an optimization for address calculations for array accesses used a signed 8-bit type to hold values up to 255, and then cast the result to a signed int.
*/
#include <testfwk.h>
#if !defined(__SDCC_mcs51) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Not enough memory
unsigned char testArr255[255]; // Fails
unsigned char testArr256[256]; // Succeeds
void g(char *p)
{
*p = 0;
}
void f(void)
{
int i, j;
i = 5;
for (j = 7; j < 10; j++)
{
g(&testArr255[i * 24 + j]);
g(&testArr256[i * 24 + j]);
}
}
#endif
void testBug(void)
{
#if !defined(__SDCC_mcs51) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Not enough memory
for(unsigned int i = 0; i < 250; i++)
testArr255[i] = i;
for(unsigned int i = 0; i < 250; i++)
testArr256[i] = i + 1;
f();
for(unsigned int i = 0; i < 127; i++)
ASSERT(testArr255[i] == i);
for(unsigned int i = 0; i < 127; i++)
ASSERT(testArr256[i] == i + 1);
for(unsigned int i = 127; i < 130; i++)
ASSERT(testArr255[i] == 0);
for(unsigned int i = 127; i < 130; i++)
ASSERT(testArr256[i] == 0);
for(unsigned int i = 130; i < 250; i++)
ASSERT(testArr255[i] == i);
for(unsigned int i = 130; i < 250; i++)
ASSERT(testArr256[i] == i + 1);
#endif
}
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