Le Ton Chanh <letonchanh@xxxxxxxxx> writes: > I defined macro FUNCTION_ARG and other macros in section "Passing > Arguments in Registers" of GCCInt to pass args in regs. It compiled > OK, but when I use the number of args greater than the number regs > in macro FUNCTION_ARG_REGNO_P, it crashes with notice: "internal > compiler error: Segmentation fault". How can I fixed this bug? There are too many possibilities for us to tell you what is happening. You will need to debug it yourself. http://gcc.gnu.org/wiki/DebuggingGCC Ian