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* config/xtensa/lib1funcs.asm: New file.
* config/xtensa/lib2funcs.S: New file.
* config/xtensa/linux.h: New file.
* config/xtensa/t-xtensa: New file.
* config/xtensa/xtensa-config.h: New file.
* config/xtensa/xtensa-protos.h: New file.
* config/xtensa/xtensa.c: New file.
* config/xtensa/xtensa.h: New file.
* config/xtensa/xtensa.md: New file.
* config.gcc (xtensa-*-elf*): New target.
(xtensa-*-linux*): New target.
* cse.c (canon_hash): Compare rtx pointers instead of register
numbers. This is required for the Xtensa port.
* integrate.c (copy_insn_list): Handle case where the static
chain is in memory and the memory address has to be copied to
a register.
* doc/invoke.texi (Option Summary): Add Xtensa options.
(Xtensa Options): New node.
* doc/md.texi (Machine Constraints): Add Xtensa machine constraints.
* gcc.c-torture/compile/20001226-1.x: xfail for Xtensa.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49155 138bc75d-0d04-0410-961f-82ee72b054a4
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