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/*
patch-466.c - tests for some peephole optimizer rules from patch #466
to optimize theuse of MCs-51 bit instructions.
*/
#include <testfwk.h>
#include <stdint.h>
#include <stdbool.h>
uint8_t aaa;
uint8_t bbb;
uint8_t get_bleh (uint8_t x)
{
bool x0 = x != aaa;
bool x1 = x != bbb;
return (!x0 | !x1) ? 0xFF : 0x00;
}
void testPatch(void)
{
aaa = 0;
bbb = 0;
ASSERT (get_bleh (0) == 0xff);
ASSERT (get_bleh (1) == 0x00);
aaa = 0;
bbb = 1;
ASSERT (get_bleh (0) == 0xff);
ASSERT (get_bleh (1) == 0xff);
aaa = 1;
bbb = 0;
ASSERT (get_bleh (0) == 0xff);
ASSERT (get_bleh (1) == 0xff);
aaa = 1;
bbb = 1;
ASSERT (get_bleh (0) == 0x00);
ASSERT (get_bleh (1) == 0xff);
}
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