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/* bug-2764.c
A crash in the stm8 peephole optimizer.
*/
#include <testfwk.h>
#include <stdint.h>
typedef int16_t ee_s16;
typedef uint16_t ee_u16;
typedef int32_t ee_s32;
typedef uint8_t ee_u8;
typedef uint32_t ee_u32;
typedef struct MAT_PARAMS_S {
int N;
} mat_params;
typedef struct RESULTS_S {
ee_s16 seed1;
ee_s16 seed2;
void *memblock[4];
ee_u32 size;
mat_params mat;
ee_u16 crc;
ee_u16 crcmatrix;
ee_u16 crcstate;
} core_results;
#pragma disable_warning 85
ee_u16 core_bench_state(ee_u32 blksize, ee_u8 *memblock, ee_s16 seed1, ee_s16 seed2, ee_s16 step, ee_u16 crc)
{
return 0x0a55;
}
#ifndef __SDCC_pdk14 // Lack of memory
ee_s16 calc_func(ee_s16 *pdata, core_results *res)
{
ee_s16 data=*pdata;
ee_s16 retval;
ee_u8 optype=(data>>7) & 1;
if (optype)
return (data & 0x007f);
else {
ee_s16 flag=data & 0x7;
ee_s16 dtype=((data>>3) & 0xf);
dtype |= dtype << 4;
switch (flag) {
case 0:
if (dtype<0x22)
dtype=0x22;
retval=core_bench_state(res->size,res->memblock[3],res->seed1,res->seed2,dtype,res->crc);
if (res->crcstate==0)
res->crcstate=retval;
break;
default:
retval=data;
break;
}
return retval;
}
}
#endif
void testBug(void)
{
#ifndef __SDCC_pdk14 // Lack of memory
ee_s16 data = 0;
core_results res = {0};
ASSERT(calc_func(&data, &res) == 0x0a55);
ASSERT(res.crcstate == 0x0a55);
#endif
}
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