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[Bug target/81644] ICE in rtl_verify_bb_insn, BBRO pass duplicates BB that ends with flow control insn
- From: "uros at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 02 Aug 2017 14:08:36 +0000
- Subject: [Bug target/81644] ICE in rtl_verify_bb_insn, BBRO pass duplicates BB that ends with flow control insn
- Auto-submitted: auto-generated
- References: <bug-81644-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81644
--- Comment #3 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed Aug 2 13:58:08 2017
New Revision: 250830
URL: https://gcc.gnu.org/viewcvs?rev=250830&root=gcc&view=rev
Log:
PR target/81644
* config/i386/i386.md (unspecv): Add UNSPECV_UD2.
(ud2): New insn pattern.
* config/i386/i386.c (ix86_expand_epilogue):
Generate ud2 instead of trap insn.
testsuite/ChangeLog:
PR target/81644
* gcc.target/i386/pr81644.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr81644.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog