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/** bug-3779.c: code generation for sm83 could store a temporary in l, then set up hl for stack access, overwriting the temporary.
*/
#include <testfwk.h>
struct State {
unsigned short a;
unsigned char b;
};
static struct State state;
static char glob_var;
#ifdef __SDCC_sm83
static __sfr __at(0xff00) reg; // Use LCD control register for this test, since all its bits are read/write.
#else
unsigned char reg;
#endif
void m(void)
{
state.b = 0;
if (glob_var) {
if (glob_var) {
state.a += 1;
}
if (glob_var) {
state.b = 0;
}
unsigned char foo = state.a >> 1;
foo -= reg;
reg = foo;
}
}
void testBug(void)
{
reg = 0x00;
glob_var = 1;
state.a = 1;
m();
ASSERT(reg == 1);
}
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