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From: "Doug at CSFi dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/378] [AIX] gcc cannot compile huge c file
Date: Tue, 01 Apr 2014 18:44:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=378

--- Comment #12 from Doug Dawson <Doug at CSFi dot com> ---
(In reply to David Edelsohn from comment #11)
> Recent releases of GCC are built with linker options to allow larger data
> section. Are the user process limits (ulimit) set large enough?  One could
> rebuild GCC cc1 and cc1plus with even larger -bmaxdata value (or patch the
> binary with a larger value), but it's not clear which limit is hit.

Current ulimit values:

core file size          (blocks, -c) 1048575
data seg size           (kbytes, -d) 262144
file size               (blocks, -f) 2097151
max memory size         (kbytes, -m) 32768
open files                      (-n) 2000
pipe size            (512 bytes, -p) 64
stack size              (kbytes, -s) 131072
cpu time               (seconds, -t) unlimited
max user processes              (-u) unlimited
virtual memory          (kbytes, -v) unlimited


I changed the ulimits below, but had the same results. Note that this source
compiles as 32 Bit on AIX 5.3 using 'gcc version 4.2.4'.

ulimit -d 393216
ulimit -m 65536
ulimit -s 262144
ulimit -n 4000

/tmp//ccZ4WBed.s: line 2939315: 1252-171 The displacement must be greater than
or equal to
        -32768 and less than or equal to 32767.

When you say rebuild GCC cc1/cc1plus with even larger -bmaxdata, are you
refering to the AIX environmental 'export LDR_CNTRL=MAXDATA=0x50000000'? Is
this the recommended value?