Re: about REG_DEP_OUTPUT dependence

2006-01-03 Thread Ian Lance Taylor
Liu Haibin <[EMAIL PROTECTED]> writes: > Can someone help me explain that why there's an REG_DEP_OUTPUT (write > after write dependence) between jump_insn 547 and insn 82? > > (insn 82 543 478 3 (set (mem/s:SI (reg/f:SI 6 r6 [224]) [4 W S4 A32]) > (reg:SI 2 r2 [95])) 8 {movsi_internal} (i

about REG_DEP_OUTPUT dependence

2006-01-03 Thread Liu Haibin
Hi, Can someone help me explain that why there's an REG_DEP_OUTPUT (write after write dependence) between jump_insn 547 and insn 82? (insn 82 543 478 3 (set (mem/s:SI (reg/f:SI 6 r6 [224]) [4 W S4 A32]) (reg:SI 2 r2 [95])) 8 {movsi_internal} (insn_list 81 (nil)) (expr_list:REG_DEAD (r