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[Bug rtl-optimization/78751] [7 Regression] ICE in extract_insn, at recog.c:2311 (error: unrecognizable insn) w/ -Os -misel
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 12 Jan 2017 17:19:11 +0000
- Subject: [Bug rtl-optimization/78751] [7 Regression] ICE in extract_insn, at recog.c:2311 (error: unrecognizable insn) w/ -Os -misel
- Auto-submitted: auto-generated
- References: <bug-78751-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78751
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Or perhaps ifcvt.c should gen_cond_trap only if the arguments already satisfy
ctrap<mode>4's predicates and punt if not.
So perhaps avoid calling gen_cond_trap altogether, and instead do what it does
except for the prepare_cmp_insn and do insn_operand_matches on all the
operands?
The #c3 patch isn't that ugly either.