re PR target/26504 (compute_frame_pointer_to_cfa_displacement error for avr target with --with-dwarf2)
* config/avr/predicates.md: New file.
* config/avr/avr.md: Include it.
(REG_SP): New constant.
(peepholes): Use predicates.
(sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
PR target/26504
* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
From-SVN: r117616