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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/55597] [4.8 Regression] internal compiler error: in plus_constant, at explow.c:88 Date: Wed, 05 Dec 2012 17:28:00 -0000 [thread overview] Message-ID: <bug-55597-4-NBD6jQVurC@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-55597-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55597 --- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> 2012-12-05 17:28:11 UTC --- It is generated by (gdb) bt #0 set_unique_reg_note (insn=0x7ffff19a07e0, kind=REG_EQUAL, datum=0x7ffff1ab4460) at /export/gnu/import/git/gcc/gcc/emit-rtl.c:4958 #1 0x0000000000726f1b in set_dst_reg_note (insn=0x7ffff19a07e0, kind=REG_EQUAL, datum=0x7ffff1ab4460, dst=0x7ffff1ab44c0) at /export/gnu/import/git/gcc/gcc/emit-rtl.c:5018 #2 0x0000000000949cbb in emit_libcall_block_1 (insns=0x7ffff1ab2730, target=0x7ffff1ab44c0, result=0x7ffff1ab4500, equiv=0x7ffff1ab4460, equiv_may_trap=false) at /export/gnu/import/git/gcc/gcc/optabs.c:3936 #3 0x0000000000949d10 in emit_libcall_block (insns=0x7ffff1ab2730, target=0x7ffff1ab44c0, result=0x7ffff1ab4500, equiv=0x7ffff1ab4460) at /export/gnu/import/git/gcc/gcc/optabs.c:3945 #4 0x0000000000d082fa in legitimize_tls_address (x=0x7ffff1ab4460, model=TLS_MODEL_REAL, for_mov=true) at /export/gnu/import/git/gcc/gcc/config/i386/i386.c:12805 #5 0x0000000000d0f4bb in ix86_expand_move (mode=SImode, operands=0x7fffffffc920) at /export/gnu/import/git/gcc/gcc/config/i386/i386.c:15936 #6 0x0000000000dc1b60 in gen_movsi (operand0=0x7ffff1ab44a0, operand1=0x7ffff1aac2f0) at /export/gnu/import/git/gcc/gcc/config/i386/i386.md:1701 #7 0x0000000000750380 in emit_move_insn_1 (x=0x7ffff1ab44a0, y=0x7ffff1aac2f0) at /export/gnu/import/git/gcc/gcc/expr.c:3417 #8 0x00000000007507cd in emit_move_insn (x=0x7ffff1ab44a0, y=0x7ffff1aac2f0) ---Type <return> to continue, or q <return> to quit--- at /export/gnu/import/git/gcc/gcc/expr.c:3511 #9 0x0000000000733def in copy_to_mode_reg (mode=SImode, x=0x7ffff1aac2f0) at /export/gnu/import/git/gcc/gcc/explow.c:645 #10 0x00000000009537f9 in maybe_legitimize_operand ( icode=CODE_FOR_zero_extendsidi2, opno=1, op=0x7fffffffcad0) at /export/gnu/import/git/gcc/gcc/optabs.c:8069 #11 0x0000000000953ac8 in maybe_legitimize_operands ( icode=CODE_FOR_zero_extendsidi2, opno=0, nops=2, ops=0x7fffffffcac0) at /export/gnu/import/git/gcc/gcc/optabs.c:8131 #12 0x0000000000953b5b in maybe_gen_insn (icode=CODE_FOR_zero_extendsidi2, nops=2, ops=0x7fffffffcac0) at /export/gnu/import/git/gcc/gcc/optabs.c:8149 #13 0x0000000000949697 in maybe_emit_unop_insn ( icode=CODE_FOR_zero_extendsidi2, target=0x7ffff1ab4480, op0=0x7ffff1aac2f0, code=ZERO_EXTEND) at /export/gnu/import/git/gcc/gcc/optabs.c:3765 #14 0x000000000094976b in emit_unop_insn (icode=CODE_FOR_zero_extendsidi2, target=0x7ffff1ab4480, op0=0x7ffff1aac2f0, code=ZERO_EXTEND) at /export/gnu/import/git/gcc/gcc/optabs.c:3787 #15 0x0000000000748f7a in convert_move (to=0x7ffff1ab4480, from=0x7ffff1aac2f0, unsignedp=1) at /export/gnu/import/git/gcc/gcc/expr.c:607 (gdb) f 2 #2 0x0000000000949cbb in emit_libcall_block_1 (insns=0x7ffff1ab2730, target=0x7ffff1ab44c0, result=0x7ffff1ab4500, equiv=0x7ffff1ab4460, equiv_may_trap=false) at /export/gnu/import/git/gcc/gcc/optabs.c:3936 3936 set_dst_reg_note (last, REG_EQUAL, copy_rtx (equiv), target); (gdb) call debug_rtx (last) (insn 6 5 0 (set (reg:DI 61) (reg:DI 0 ax)) x.i:8 -1 (nil)) (gdb) call debug_rtx (equiv) (symbol_ref:SI ("__morestack_initial_sp") [flags 0x10] <var_decl 0x7ffff19bf390 __morestack_initial_sp>) (gdb)
next prev parent reply other threads:[~2012-12-05 17:28 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-12-04 21:01 [Bug middle-end/55597] New: " hjl.tools at gmail dot com 2012-12-04 22:29 ` [Bug middle-end/55597] " hjl.tools at gmail dot com 2012-12-04 22:52 ` bonzini at gnu dot org 2012-12-04 23:25 ` [Bug target/55597] " steven at gcc dot gnu.org 2012-12-04 23:46 ` [Bug target/55597] " steven at gcc dot gnu.org 2012-12-04 23:50 ` [Bug middle-end/55597] " hjl.tools at gmail dot com 2012-12-05 11:34 ` [Bug middle-end/55597] [4.8 Regression] " ebotcazou at gcc dot gnu.org 2012-12-05 17:28 ` hjl.tools at gmail dot com [this message] 2012-12-05 17:56 ` hjl.tools at gmail dot com 2012-12-05 20:46 ` ubizjak at gmail dot com 2012-12-06 0:22 ` hjl.tools at gmail dot com 2012-12-06 15:05 ` jakub at gcc dot gnu.org 2012-12-06 20:14 ` ubizjak at gmail dot com 2012-12-06 22:05 ` uros at gcc dot gnu.org 2012-12-07 3:44 ` hjl.tools at gmail dot com 2012-12-07 8:11 ` uros at gcc dot gnu.org 2012-12-07 8:21 ` ubizjak at gmail dot com
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