Posted on May 17, 2011 at 13:02/******************************************************
1. IAR 4.42A, MCU: ST STM32F10xxE
2. Optimization =None Or Lowï¼›
******************************************************/
typedef unsigned char u8;
typedef unsigned long u32;
u8 BugTest(void);
u8 BugTest(void) {
u32 CC;
u8 AA,BB=0;
CC = 0x12345678;
AA = CC >> 8;
BB |= (AA & 0x80) >> 7;
return BB; // Error: BB=0x68, should be 0x00
}
/******************************************************/
static u8 TT;
int main() {
u8 WW;
TT=BugTest();
WW=TT;
}
are there any patch(4.42a) for it ?
by the way , Test IAR 5.20 is OK.
