Bug 4697 - `as' compile-time hog (-ffunction-sections negative impact)
Summary: `as' compile-time hog (-ffunction-sections negative impact)
Status: RESOLVED WORKSFORME
Alias: None
Product: binutils
Classification: Unclassified
Component: binutils (show other bugs)
Version: 2.17
: P2 normal
Target Milestone: ---
Assignee: unassigned
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2007-06-25 09:09 UTC by Pawel Sikora
Modified: 2007-06-29 15:37 UTC (History)
2 users (show)

See Also:
Host:
Target: i486-gnu-linux
Build:
Last reconfirmed:

Attachments
testcase for time-hog. (682.30 KB, application/octet-stream)
2007-06-25 09:12 UTC, Pawel Sikora 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Pawel Sikora 2007-06-25 09:09:45 UTC 
attached testcase (700kB/.s.bzip2) exposes compile-time hog.
i've canceled assembling on P4-2.8GHz after 45 minutes.

(gdb) bt
#0  0x0805f3ef in resolve_symbol_value ()
#1  0x0805f7f3 in resolve_symbol_value ()
#2  0x080636da in relax_segment ()
#3  0x080620bb in relax_seg ()
#4  0x080762b9 in bfd_map_over_sections ()
#5  0x08062bb7 in write_object_file ()
#6  0x0804bb2e in main ()

tested on binutils-2.17.50.0.12.
Comment 1 Pawel Sikora 2007-06-25 09:12:15 UTC 
Created attachment 1901 [details]
testcase for time-hog.
Comment 2 Alan Modra 2007-06-26 05:08:31 UTC 
Current mainline doesn't appear to have a problem on my Athlon box with 1G ram.

$ time gas/as-new /tmp/pr4697.s

real    0m1.202s
user    0m1.100s
sys     0m0.080s
Comment 3 H.J. Lu 2007-06-27 19:50:41 UTC 
Have you tried binutils-2.17.50.0.17?
Comment 4 Pawel Sikora 2007-06-29 15:37:36 UTC 
(In reply to comment #3)
> Have you tried binutils-2.17.50.0.17?

.17 works fine, but i'm observing new assertion failures
in .17 on sparc-sun-solaris2.9. i'll fill it as new PR.