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- 2012-01-22 Christian Svensson <blue@cmd.nu>
- * common/config/or1k/or1k-common.c: use DWARF2 unwind info as default
- but support SJLJ if forced with --enable-sjlj-exceptions.
- * config/or1k/or1k-protos.h:
- (or1k_expand_pic_symbol_ref) removed unneeded ATTRIBUTE_UNUSED.
- (or1k_eh_return_handler_rtx) defined prototype (body in or1k.c).
- (or1k_return_addr_rtx) defined prototype (body in or1k.c).
- * config/or1k/or1k.c:
- (or1k_save_reg_p) save stack pointer when frame pointer is not saved.
- (or1k_save_reg_p) save registers used with eh_return.
- (or1k_expand_epilogue) do not restore link register if we are
- returning from eh_return.
- (or1k_expand_epilogue) apply EH stack adjustment to stack pointer.
- (or1k_eh_return_handler_rtx) eh_return should write to the link register.
- (or1k_return_addr_rtx) in the case of GOT the link register cannot be read
- after the prologue. in this case, use the stored link register from the
- stack frame.
- (or1k_frame_pointer_required) require FP in eh_return and
- when alloca is used.
- (TARGET_FRAME_POINTER_REQUIRED) define.
- * config/or1k/or1k.h:
- (INITIAL_FRAME_POINTER_OFFSET) not used, removed.
- (RETURN_ADDR_RTX) define.
- (EH_RETURN_REGNUM) define. use reg 23.
- (EH_RETURN_DATA_REGNO) define. use reg 25, 27, 29 and 31.
- (EH_RETURN_STACKADJ_RTX) define.
- (EH_RETURN_HANDLER_RTX) define.
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