gcc/ PR rtl-optimization/35232 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment. (forget_old_reloads_1, forget_marked_reloads): Don't clear reg_reloaded_call_part_clobbered here. (reload_regs_reach_end_p): New function. (reload_reg_rtx_for_input): New variable. (reload_reg_rtx_for_output): Likewise. (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx when reassigning a pseudo register. Load reloadreg from reload_reg_rtx_for_input, moving the mode and register calculation to... (do_input_reload): ...here. Use the mode-adjusted reg_rtx instead of the original when deciding whether an input reload would be a no-op or whether an output reload can be deleted. (emit_output_reload_insns): Use the mode-adjusted reg_rtx when setting up new_spill_reg_store. Load it from reload_reg_rtx_for_output, moving the mode and register calculation to... (do_output_reload): ...here. Use the mode-adjusted reg_rtx instead of the original when deciding whether an output reload would be a no-op. Do the same when modifying insn notes. Use rtx_equal_p instead of == to compare the registers. (inherit_piecemeal_p): Take a mode and two register numbers as argument. (emit_reload_insns): Clear new_spill_reg_store for every hard register in the reload register. Remove spill registers from reg_reloaded_valid before considering whether to record inheritance information for them. Use reload_reg_rtx_for_output instead of reg_rtx when recording output reloads. Use reload_reg_rtx_for_input instead of reg_rtx when recording input reloads. Set or clear reg_reloaded_call_part_clobbered at the same time as setting reg_reloaded_valid. (delete_output_reload): Add a new_reload_reg parameter and use it instead of rld[j].reg_rtx. (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust calls accordingly. gcc/testsuite/ PR rtl-optimization/35232 * gcc.target/mips/pr35232.c: New test. From-SVN: r133531
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