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[Bug rtl-optimization/33685] New: [4.3 regression] invalid rtl sharing found in the insn
- From: "bero at arklinux dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Oct 2007 21:28:12 -0000
- Subject: [Bug rtl-optimization/33685] New: [4.3 regression] invalid rtl sharing found in the insn
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
gcc -DHAVE_CONFIG_H -I. -I.. -I../.. -DMAGIC=\"/usr/lib/rpm/magic\"
-DHAVE_LIBZ=1 -O2 -march=i586 -mtune=i686 -fomit-frame-pointer -fweb
-frename-registers -MT softmagic.lo -MD -MP -MF .deps/softmagic.Tpo -c
softmagic.c -fPIC -DPIC -o .libs/softmagic.o
softmagic.c: In function 'cvt_16':
softmagic.c:553: error: invalid rtl sharing found in the insn
(insn 70 69 71 12 softmagic.c:552 (parallel [
(set (reg:HI 69)
(udiv:HI (reg:HI 71 [ <variable>.h ])
(subreg:HI (reg:SI 79 [ D.4365 ]) 0)))
(set (reg:HI 70)
(umod:HI (reg:HI 71 [ <variable>.h ])
(subreg:HI (reg:SI 79 [ D.4365 ]) 0)))
(use (reg:HI 72))
(clobber (reg:CC 17 flags))
]) 231 {*udivmodhi_noext} (nil))
softmagic.c:553: error: shared rtx
(subreg:HI (reg:SI 79 [ D.4365 ]) 0)
softmagic.c:553: internal compiler error: internal consistency failure
Happens at -O1 and higher.
--
Summary: [4.3 regression] invalid rtl sharing found in the insn
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bero at arklinux dot org
GCC build triplet: i586-pc-linux-gnu
GCC host triplet: i586-pc-linux-gnu
GCC target triplet: i586-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33685