http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60851
Bug ID: 60851 Summary: ICE: in extract_constrain_insn_cached, at recog.c:2117 with -flive-range-shrinkage -mdispatch-scheduler -march=bdver4 Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 32607 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32607&action=edit reduced testcase Compiler output: $ gcc -flive-range-shrinkage -mdispatch-scheduler -march=bdver4 testcase.c testcase.c: In function 'ld': testcase.c:4:1: error: insn does not satisfy its constraints: } ^ (insn 8 7 11 2 (set (reg:XF 83 [ D.2396 ]) (float:XF (reg:HI 86))) testcase.c:3 196 {floathixf2} (expr_list:REG_DEAD (reg:HI 86) (nil))) testcase.c:4:1: internal compiler error: in extract_constrain_insn_cached, at recog.c:2117 0xac43d8 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /mnt/svn/gcc-trunk/gcc/rtl-error.c:109 0xac4444 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /mnt/svn/gcc-trunk/gcc/rtl-error.c:120 0xa7de2d extract_constrain_insn_cached(rtx_def*) /mnt/svn/gcc-trunk/gcc/recog.c:2117 0xe32591 get_attr_length_address(rtx_def*) /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:468 0xe41061 insn_default_length(rtx_def*) /mnt/svn/gcc-trunk/gcc/config/i386/i386.md:671 0xde8e30 min_insn_size /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:38907 0xdea229 add_to_dispatch_window /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:46006 0xdea229 do_dispatch /mnt/svn/gcc-trunk/gcc/config/i386/i386.c:46172 0x135c72e schedule_block(basic_block_def**, void*) /mnt/svn/gcc-trunk/gcc/haifa-sched.c:6261 0xae057a schedule_region /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3079 0xae057a schedule_insns /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3416 0xae097b schedule_insns /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3401 0xae097b rest_of_handle_live_range_shrinkage /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3614 0xae097b execute /mnt/svn/gcc-trunk/gcc/sched-rgn.c:3704 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. $ gcc -v Using built-in specs. COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-209399-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.10.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df --enable-languages=c,c++,lto,fortran --prefix=/mnt/svn/gcc-trunk/binary-209399-lto-fortran-checking-yes-rtl-df/ --without-cloog --without-ppl Thread model: posix gcc version 4.10.0 20140415 (experimental) (GCC)