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