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[Bug middle-end/37448] [4.3 Regression] gcc 4.3.1 cannot compile big function
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Sep 2008 21:11:40 -0000
- Subject: [Bug middle-end/37448] [4.3 Regression] gcc 4.3.1 cannot compile big function
- References: <bug-37448-16683@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #18 from hubicka at gcc dot gnu dot org 2008-09-18 21:11 -------
Hi,
some stats on instruction counts and references Kenny asked about:
At -O2:
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc$ grep "(insn"
e.i.157r.outof_cfglayout | wc -l
307811
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc$ grep "(call_insn"
e.i.157r.outof_cfglayout | wc -l
157016
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc$ grep "(jump_insn"
e.i.157r.outof_cfglayout | wc -l
18650
at -O0:
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc/O0$ grep "(insn"
e.i.157r.outof_cfglayout | wc -l
411876
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc/O0$ grep "(call_insn"
e.i.157r.outof_cfglayout | wc -l
166471
jh@gcc17:~/gcc-baseline/build-ada/prev-gcc/O0$ grep "(jump_insn"
e.i.157r.outof_cfglayout | wc -l
18218
I am not sure if I can grep for references in some of the RTL dumps...
Honza
--
hubicka at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2008-09-10 08:02:43 |2008-09-18 21:11:40
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37448