re PR rtl-optimization/49114 ([x32] Reload failed to handle (set reg:X (plus:X (subreg:X (reg:Y) 0) (const_int))))
PR rtl-optimization/49114
* reload.c (struct replacement): Remove SUBREG_LOC member.
(push_reload): Do not set it.
(push_replacement): Likewise.
(subst_reload): Remove dead code.
(copy_replacements): Remove assertion.
(copy_replacements_1): Do not handle SUBREG_LOC.
(move_replacements): Likewise.
(find_replacement): Remove dead code. Use reload_adjust_reg_for_mode.
Detect subregs via recursive descent instead of via SUBREG_LOC.
From-SVN: r175631