On 02/21/12 09:08, Georg-Johann Lay wrote: > PR rtl-optimization/50063 > * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state) > and 2 (8-bit SP) in operand 2. > * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue > setup to use movhi_sp_r instead of vanilla move to write SP. > Adjust REG_CFA notes to superseed unspec. > (expand_epilogue): Adjust epilogue setup to use read_sp instead > of vanilla move. > As function body might contain CLI or SEI: Use irq_state 0 (IRQ > known to be off) only with TARGET_NO_INTERRUPTS. Never use > irq_state 1 (IRQ known to be on) here.
The CFA bits in avr_prologue_setup_frame look good. I'll let Denis or Eric review the movhi_sp_r change. r~
