https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72843
Bug ID: 72843 Summary: [7 Regression] internal compiler error: in lra_set_insn_recog_data, at lra.c:964 Product: gcc Version: 6.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: vmakarov at redhat dot com Target Milestone: --- On Linux/x86, when compiled with -mtune=slm -O2 -march=i686 -msse2 -mfpmath=sse -m32 r239180 caused: /export/gnu/import/git/gcc-regression/gcc/libquadmath/math/asinq.c: In function ‘asinq’: /export/gnu/import/git/gcc-regression/gcc/libquadmath/math/asinq.c:254:1: internal compiler error: in lra_set_insn_recog_data, at lra.c:964 } ^ 0x87ea563 lra_set_insn_recog_data(rtx_insn*) /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:962 0x87e8913 lra_get_insn_recog_data /export/gnu/import/git/gcc-regression/gcc/gcc/lra-int.h:487 0x87ebc17 lra_update_insn_regno_info(rtx_insn*) /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:1584 0x87ec0c0 lra_push_insn_1 /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:1735 0x87ec0ef lra_push_insn(rtx_insn*) /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:1743 0x87ec1e4 push_insns /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:1786 0x87ec47b lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*) /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:1844 0x8804827 remove_inheritance_pseudos /export/gnu/import/git/gcc-regression/gcc/gcc/lra-constraints.c:6352 0x880578b lra_undo_inheritance() /export/gnu/import/git/gcc-regression/gcc/gcc/lra-constraints.c:6672 0x87ed6bf lra(_IO_FILE*) /export/gnu/import/git/gcc-regression/gcc/gcc/lra.c:2423 0x87a3db0 do_reload /export/gnu/import/git/gcc-regression/gcc/gcc/ira.c:5384 0x87a4200 execute /export/gnu/import/git/gcc-regression/gcc/gcc/ira.c:5568 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.