ignore build artifacts

.gitignore

@@ -1,3 +1,50 @@
 *.exe
 *.o
 *.a
+gcc_arm/Makefile
+agbcc
+agbcc_arm
+old_agbcc
+*/genattr
+*/genattrtab
+*/gencheck
+*/gencodes
+*/genconfig
+*/genemit
+*/genextract
+*/genflags
+*/gengenrtl
+*/genopinit
+*/genoutput
+*/genpeep
+*/genrecog
+*/config.log
+gcc_arm/config.log
+gcc_arm/genrtl.c
+gcc_arm/genrtl.h
+gcc_arm/insn-attr.h
+gcc_arm/insn-attrtab.c
+gcc_arm/insn-codes.h
+gcc_arm/insn-config.h
+gcc_arm/insn-emit.c
+gcc_arm/insn-extract.c
+gcc_arm/insn-flags.h
+gcc_arm/insn-opinit.c
+gcc_arm/insn-output.c
+gcc_arm/insn-peep.c
+gcc_arm/insn-recog.c
+gcc_arm/s-attr
+gcc_arm/s-attrtab
+gcc_arm/s-check
+gcc_arm/s-codes
+gcc_arm/s-config
+gcc_arm/s-emit
+gcc_arm/s-extract
+gcc_arm/s-flags
+gcc_arm/s-genrtl
+gcc_arm/s-opinit
+gcc_arm/s-output
+gcc_arm/s-peep
+gcc_arm/s-recog
+gcc_arm/tree-check.h
+