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[Bug target/78614] [7 Regression] ICE error: invalid rtl sharing found in the insn (verify_rtx_sharing) gcc/emit-rtl.c:2743
- 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: Fri, 02 Dec 2016 15:42:36 +0000
- Subject: [Bug target/78614] [7 Regression] ICE error: invalid rtl sharing found in the insn (verify_rtx_sharing) gcc/emit-rtl.c:2743
- Auto-submitted: auto-generated
- References: <bug-78614-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
--- Comment #24 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Dec 2 15:42:04 2016
New Revision: 243194
URL: https://gcc.gnu.org/viewcvs?rev=243194&root=gcc&view=rev
Log:
PR target/78614
* rtl.c (copy_rtx): Don't clear used flag here.
(shallow_copy_rtx_stat): Clear used flag here unless code the rtx
is shareable.
* simplify-rtx.c (simplify_replace_fn_rtx): When copying rtx with
'E' in format, copy all vectors.
* emit-rtl.c (copy_insn_1): Don't clear used flag here.
* valtrack.c (cleanup_auto_inc_dec): Likewise.
* config/rs6000/rs6000.c (rs6000_frame_related): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.c
trunk/gcc/emit-rtl.c
trunk/gcc/rtl.c
trunk/gcc/valtrack.c