Hi chingfu, Your test1.c compiled just fine on my machine with -O1, and again with -O2. Are you using the latest release version of GCC 4.1.1? Or are you using the active development (possibly unstable) version GCC 4.2.0? --Eljay
Hi chingfu, Your test1.c compiled just fine on my machine with -O1, and again with -O2. Are you using the latest release version of GCC 4.1.1? Or are you using the active development (possibly unstable) version GCC 4.2.0? --Eljay