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[Bug sanitizer/69656] -fsanitize=undefined compile time hog
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 04 Feb 2016 12:33:57 +0000
- Subject: [Bug sanitizer/69656] -fsanitize=undefined compile time hog
- Auto-submitted: auto-generated
- References: <bug-69656-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69656
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |compile-time-hog,
| |memory-hog
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-02-04
Ever confirmed|0 |1
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Markus Trippelsdorf from comment #1)
> # Overhead Command Shared Object Symbol
> 4.48% cc1plus cc1plus [.] bitmap_set_bit
> 2.34% cc1plus cc1plus [.] bitmap_clear_bit
> 1.48% cc1plus cc1plus [.] record_operand_costs
> 1.37% cc1plus cc1plus [.] bitmap_bit_p
> 1.23% cc1plus cc1plus [.] gt_ggc_mx_lang_tree_node
> 1.11% cc1plus cc1plus [.] run_fast_df_dce
> 1.09% cc1plus cc1plus [.] df_note_compute
> 0.98% cc1plus cc1plus [.] df_insn_refs_collect
Pretty generic, so - callers? It also uses quite some more memory for me (>2GB
with GCC 5).