[ Redirected to gcc-help@. This tutorial-level exchange isn't appropriate for gcc@. ] Please don't top-post. kernel coder writes: > is there any way in gdb to step backward. No, there isn't. If you want to know where the routines were called from go up. Andrew. > On 6/15/06, Andrew Haley <aph@xxxxxxxxxx> wrote: > > kernel coder writes: > > > hi, > > > I'm trying to figure out the code flow of gcc.But i'm not been > > > able to locate the location at which an expression is compared with > > > pattern given in XXXX.md file. > > > > > > I think XXXX.md file is resposible fo generation of emit-insn.c > > > file.But again at which point the functions in emit-insn.c file are > > > called for generation of RTL file. > > > > > > Please tell me where in code the pattern matching is done for RTL > > > generation. > > > > Run cc1 in gdb. Put a breakpoint on make_insn_raw. Go up from that > > point to find the caller. You'll find that GEN_foo routines are > > called from a number of places, in particular the expander.
