[PATCH 00/12] Eliminate the text-based dwarf2out interface

Bernd Schmidt bernds@codesourcery.com
Thu Jun 30 13:20:00 GMT 2011


On 06/29/11 23:49, Richard Henderson wrote:
> In preparation for the changes required to support shrink-wrapping,
> it makes things Much Easier if we no longer have to handle seeing
> new unwind states being introduced during pass_final, while emitting
> the actual assembly.  Thus we want to convert everything that used
> the text-based interfaces to use the REG_CFA_* notes instead.
> 
> The following set has been tested on i386-linux, x86_64-linux,
> ia64-linux, arm-elf, arm-eabi, and a cross-compile to vax-linux.
> 
> 
> r~
> 
> 
> Richard Henderson (12):
>   dwarf2out: Convert regs_saved_in_regs to VEC.
>   dwarf2out: Handle pc_rtx as return column in REG_CFA_OFFSET too.
>   dwarf2out: Add REG_CFA_FLUSH_QUEUE.
>   vax: Emit prologue as rtl.
>   arm: Use REG_CFA_REGISTER instead of UNSPEC_STACK_ALIGN.
>   ia64: Issue REG_CFA_REGISTER for ar.pfs at alloc insn.
>   ia64: Remove ia64_dwarf2out_def_steady_cfa.
>   ia64: Use pc_rtx to save the return address.
>   ia64: Remove dead code in process_epilogue.
>   ia64: Remove TARGET_DWARF_HANDLE_FRAME_UNSPEC hook.
>   i386: Always use TARGET_DEEP_BRANCH_PREDICTION.
>   dwarf2out: Remove unused text-based unwind entry points.

Thanks so much for working on this. Ok for the dwarf2out parts, and I
guess the other bits as well absent any target maintainer objections in
a day or two.


Bernd



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