public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "danglin at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/43740] [4.5/4.6 Regression] FAIL: gcc.dg/tree-ssa/20031015-1.c (internal compiler error) Date: Wed, 16 Jun 2010 01:28:00 -0000 [thread overview] Message-ID: <20100616012759.7873.qmail@sourceware.org> (raw) In-Reply-To: <bug-43740-276@http.gcc.gnu.org/bugzilla/> ------- Comment #13 from danglin at gcc dot gnu dot org 2010-06-16 01:27 ------- The flag for reg:DI 2349 is copied from: Breakpoint 7, set_reg_attrs_from_value (reg=0x800003fffd4c0420, x=0x800003fffd976c40) at ../../gcc/gcc/emit-rtl.c:975 975 if (HARD_REGISTER_P (reg)) (gdb) p debug_rtx (reg) (reg:DI 2349) $69 = void (gdb) p debug_rtx (x) (reg/f:DI 356 [ D.35290 ]) The flag in reg/f:DI 356 is set here: Breakpoint 6, mark_reg_pointer (reg=0x800003fffd976c40, align=64) at ../../gcc/gcc/emit-rtl.c:1118 1118 if (! REG_POINTER (reg)) (gdb) p debug_rtx (reg) (reg:DI 356 [ D.35290 ]) $71 = void (gdb) bt #0 mark_reg_pointer (reg=0x800003fffd976c40, align=64) at ../../gcc/gcc/emit-rtl.c:1118 #1 0x4000000000dd6c54 in expand_one_register_var (var=0x800003fffdff1790) at ../../gcc/gcc/cfgexpand.c:847 #2 0x4000000000dd7574 in expand_one_var (var=0x800003fffd976c40, toplevel=0 '\0', really_expand=128 '\200') at ../../gcc/gcc/cfgexpand.c:978 #3 0x4000000000dd8ecc in expand_used_vars () at ../../gcc/gcc/cfgexpand.c:1310 #4 0x4000000000de6118 in gimple_expand_cfg () at ../../gcc/gcc/cfgexpand.c:3779 #5 0x4000000001b86534 in execute_one_pass (pass=0x800003fffdff1790) at ../../gcc/gcc/passes.c:1568 (gdb) p debug_tree (var) <VEC(rtx,gc) 800003fffdff1790 type <var_decl 800003fffcf8ce60 D.35290 type <pointer_type 800003fffdd8ad20 tree type <union_type 800003fffdd8abd0 tree_node> sizes-gimplified asm_written public unsigned DI size <integer_cst 800003fffdec7758 constant 64> unit size <integer_cst 800003fffdec7780 constant 8> align 64 symtab -2147482625 alias set -1 canonical type 800003fffdd8ac78 pointer_to_this <pointer_type 800003fffde01888>> used unsigned ignored DI file ../../gcc/gcc/gimple-pretty-print.c line 1498 col 1 size <integer_cst 800003fffdec7758 64> unit size <integer_cst 800003fffdec7780 8> align 64 context <function_decl 800003fffd691600 dump_gimple_stmt> abstract_origin <result_decl 800003fffd1b8a00 D.21084> (reg:DI 356 [ D.35290 ])> asm_written used nothrow public private protected static deprecated visited tree_0 tree_1 tree_2 tree_3 tree_4 tree_6> -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43740
next prev parent reply other threads:[~2010-06-16 1:28 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-04-13 1:02 [Bug middle-end/43740] New: [4.5 " danglin at gcc dot gnu dot org 2010-04-13 1:17 ` [Bug middle-end/43740] " danglin at gcc dot gnu dot org 2010-04-13 1:30 ` danglin at gcc dot gnu dot org 2010-04-13 10:37 ` rguenth at gcc dot gnu dot org 2010-04-14 10:58 ` rguenth at gcc dot gnu dot org 2010-04-15 14:08 ` [Bug middle-end/43740] [4.5/4.6 " rguenth at gcc dot gnu dot org 2010-04-20 22:28 ` dave at hiauly1 dot hia dot nrc dot ca 2010-04-21 11:49 ` rguenth at gcc dot gnu dot org 2010-04-22 13:42 ` dave at hiauly1 dot hia dot nrc dot ca 2010-05-02 13:56 ` dave at hiauly1 dot hia dot nrc dot ca 2010-06-15 3:35 ` danglin at gcc dot gnu dot org 2010-06-15 13:15 ` dave at hiauly1 dot hia dot nrc dot ca 2010-06-16 1:01 ` danglin at gcc dot gnu dot org 2010-06-16 1:28 ` danglin at gcc dot gnu dot org [this message] 2010-06-16 2:44 ` danglin at gcc dot gnu dot org 2010-06-18 0:24 ` [Bug target/43740] " danglin at gcc dot gnu dot org 2010-06-18 0:26 ` danglin at gcc dot gnu dot org 2010-06-18 0:29 ` danglin at gcc dot gnu dot org 2010-06-18 0:32 ` danglin at gcc dot gnu dot org 2010-06-18 0:32 ` danglin at gcc dot gnu dot org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20100616012759.7873.qmail@sourceware.org \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).