useless R7

bit CheckPacket(void) { unsigned char idata *pBuf = g_UART0Buf; unsigned char len, checksum; if (*pBuf == PACKET_START_ID / 256) { pBuf++; if (*pBuf == PACKET_START_ID % 256) { pBuf++; len...
Useless Moves

Is there a way to change the DEFINE statement to get rid of the two useless mov(s)? C51 COMPILER V6.02, COMPILATION OF MODULE MAIN OBJECT MODULE PLACED IN .\MAIN.OBJ COMPILER INVOKED BY: C:\PROGRAM...
Useless Moves

Is there a way to change the DEFINE statement to get rid of the two useless mov(s)? C51 COMPILER V6.02, COMPILATION OF MODULE MAIN OBJECT MODULE PLACED IN .\MAIN.OBJ COMPILER INVOKED BY: C:\PROGRAM...
useless R7

bit CheckPacket(void) { unsigned char idata *pBuf = g_UART0Buf; unsigned char len, checksum; if (*pBuf == PACKET_START_ID / 256) { pBuf++; if (*pBuf == PACKET_START_ID % 256) { pBuf++; len...
useless arm asm instructions

Note: This was originally posted on 10th December 2009 at http://forums.arm.com Hi, Still trying to learn arm asm and this time there is a construct I don't understand : void add_chunk(somestruct* ptrSomeStruct...