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[Bug target/16975] Tremendous increase in compile times for 3.4.1 with -mcpu=G5
- From: "lucier at math dot purdue dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Aug 2004 01:41:08 -0000
- Subject: [Bug target/16975] Tremendous increase in compile times for 3.4.1 with -mcpu=G5
- References: <20040810221624.16975.lucier@math.purdue.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From lucier at math dot purdue dot edu 2004-08-11 01:41 -------
And here's the top of the gprof output:
% cumulative self self total
time seconds seconds calls ms/call ms/call name
73.7 50.92 50.92 328541 0.15 0.15 _invalid_mode_change_p [9]
-----------------------------------------------
0.16 50.97 3/3 _rest_of_compilation [7]
[8] 79.4 0.16 50.97 3 _regclass [8]
50.92 0.00 328541/328541 _invalid_mode_change_p [9]
0.01 0.04 88291/88291 _scan_one_insn [133]
0.00 0.00 6/541848 _xmalloc [354]
0.00 0.00 3/19 _init_recog [2075]
-----------------------------------------------
50.92 0.00 328541/328541 _regclass [8]
[9] 79.1 50.92 0.00 328541 _invalid_mode_change_p [9]
0.00 0.00 26181/651980 _reg_classes_intersect_p [1324]
-----------------------------------------------
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16975