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[Bug middle-end/20177] ICE in schedule-insns for -O2 -fmodulo-sched
- From: "mustafa at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Mar 2005 09:36:40 -0000
- Subject: [Bug middle-end/20177] ICE in schedule-insns for -O2 -fmodulo-sched
- References: <20050223184602.20177.janis@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From mustafa at il dot ibm dot com 2005-03-16 09:36 -------
I suppose that the REG_DEAD for 136 in insn 65 is correct, because the next insn
is a DEF of 136. So the problem here is that 136 is not in the liveout of BB 7.
I can guess that insn 97 that defines 136 is added by SMS, but isn't it the job
of update_flow_info to update the liveout of BB 7? At least that what I was
excepting when called it from rest_of_handle_sms.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20177