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Groups > comp.lang.c > #108296
| From | scott@slp53.sl.home (Scott Lurndal) |
|---|---|
| Subject | Re: And they say C is obscure |
| Newsgroups | comp.lang.c |
| References | (3 earlier) <lny3v9wbgh.fsf@kst-u.example.com> <58f0b5fc.7192062@news.xs4all.nl> <ocr14n$744$1@dont-email.me> <58f8b666.1301234@news.xs4all.nl> <2c2e8a25-3780-495a-9135-6b24d3a0a207@googlegroups.com> |
| Message-ID | <nw4KA.20163$xR7.18665@fx28.iad> (permalink) |
| Organization | UsenetServer - www.usenetserver.com |
| Date | 2017-04-20 15:32 +0000 |
supercat@casperkitty.com writes:
>On Thursday, April 20, 2017 at 8:25:06 AM UTC-5, Richard Bos wrote:
>> Ken Brody <kenbrody@spamcop.net> wrote:
>>
>> > On 4/14/2017 7:48 AM, Richard Bos wrote:
>> > > Keith Thompson <kst-u@mib.org> wrote:
>> > [...]
>> > >> A call to memset() is generally preferred to an equivalent for loop,
>> > >> because it's simpler and likely to be faster. Of course you have to
>> > >> understand what a function does if you're going to call it.
>> > >
>> > > It's also relevant, here, that memset() is a Standard function, and one
>> > > that can usually be optimised very agressively. If the function is user
>> > > code, or less fundamental, the equation can change drastically.
>> >
>> > I have also seem smallish memset() calls inlined to things like a simple
>> > "store a 4-byte zero here, then another 4-byte zero, and then a 2-byte
>> > zero". Much more efficient than any function call plus loop could ever be.
>>
>> Yes, that's exactly the kind of thing I meant with "optimised very
>> aggressively". Good luck getting your compiler to manage that with your
>> own functions...
>
>The godbolt compiler tester doesn't have any gcc versions for the ARM past
>5.4.1, but given:
>
> #include <string.h>
> #include <stdint.h>
> void test1(uint16_t *p)
> {
> p=(uint16_t*)(uint32_t*)p;
> memset(p, 0, 8);
> }
> void test2(uint16_t *p)
> {
> for (int i=0; i<4; i++)
> p[i]=0;
> }
>
GCC 6.1 for arm64 produces:
0000000000000000 <test1>:
0: a9be7bfd stp x29, x30, [sp,#-32]!
4: 910003fd mov x29, sp
8: f9000fa0 str x0, [x29,#24]
c: d2800102 mov x2, #0x8 // #8
10: 52800001 mov w1, #0x0 // #0
14: f9400fa0 ldr x0, [x29,#24]
18: 94000000 bl 0 <memset>
1c: d503201f nop
20: a8c27bfd ldp x29, x30, [sp],#32
24: d65f03c0 ret
0000000000000028 <test2>:
28: d10083ff sub sp, sp, #0x20
2c: f90007e0 str x0, [sp,#8]
30: b9001fff str wzr, [sp,#28]
34: 14000009 b 58 <test2+0x30>
38: b9801fe0 ldrsw x0, [sp,#28]
3c: d37ff800 lsl x0, x0, #1
40: f94007e1 ldr x1, [sp,#8]
44: 8b000020 add x0, x1, x0
48: 7900001f strh wzr, [x0]
4c: b9401fe0 ldr w0, [sp,#28]
50: 11000400 add w0, w0, #0x1
54: b9001fe0 str w0, [sp,#28]
58: b9401fe0 ldr w0, [sp,#28]
5c: 71000c1f cmp w0, #0x3
60: 54fffecd b.le 38 <test2+0x10>
64: d503201f nop
68: 910083ff add sp, sp, #0x20
6c: d65f03c0 ret
changing the call to 'memset' -> '__builtin_memset' produces:
0000000000000000 <test1>:
0: d10043ff sub sp, sp, #0x10
4: f90007e0 str x0, [sp,#8]
8: f94007e0 ldr x0, [sp,#8]
c: f900001f str xzr, [x0]
10: d503201f nop
14: 910043ff add sp, sp, #0x10
18: d65f03c0 ret
000000000000001c <test2>:
1c: d10083ff sub sp, sp, #0x20
20: f90007e0 str x0, [sp,#8]
24: b9001fff str wzr, [sp,#28]
28: 14000009 b 4c <test2+0x30>
2c: b9801fe0 ldrsw x0, [sp,#28]
30: d37ff800 lsl x0, x0, #1
34: f94007e1 ldr x1, [sp,#8]
38: 8b000020 add x0, x1, x0
3c: 7900001f strh wzr, [x0]
40: b9401fe0 ldr w0, [sp,#28]
44: 11000400 add w0, w0, #0x1
48: b9001fe0 str w0, [sp,#28]
4c: b9401fe0 ldr w0, [sp,#28]
50: 71000c1f cmp w0, #0x3
54: 54fffecd b.le 2c <test2+0x10>
58: d503201f nop
5c: 910083ff add sp, sp, #0x20
60: d65f03c0 ret
>it produces better code for the second than the first.
Not if you use __builtin_memset instead of memset.
>
>Perhaps there are newer versions of gcc for the ARM which would do something
>decent given the first version of the code, but I've not seen any.
see above. Can't speak to ARMv7 object code, but ARMv8 gcc can easily
optimize out the memset.
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And they say C is obscure Peabody <waybackNO584SPAM44@yahoo.com> - 2017-04-08 22:59 -0500
Re: And they say C is obscure Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-04-08 22:17 -0600
Re: And they say C is obscure Peabody <waybackNO584SPAM44@yahoo.com> - 2017-04-09 07:42 -0500
Re: And they say C is obscure Barry Schwarz <schwarzb@dqel.com> - 2017-04-09 07:46 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-04-09 16:47 +0200
Re: And they say C is obscure James Kuyper <jameskuyper@verizon.net> - 2017-04-09 14:42 -0400
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-09 13:25 -0700
Re: And they say C is obscure James Kuyper <jameskuyper@verizon.net> - 2017-04-09 22:56 -0400
Re: And they say C is obscure Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-04-09 15:18 -0600
Re: And they say C is obscure Ken Brody <kenbrody@spamcop.net> - 2017-04-10 12:57 -0400
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-10 14:46 +0000
Re: And they say C is obscure luser droog <luser.droog@gmail.com> - 2017-04-09 07:26 -0700
Re: And they say C is obscure James Kuyper <jameskuyper@verizon.net> - 2017-04-09 14:18 -0400
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-09 20:53 +0100
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-09 13:52 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-04-14 11:48 +0000
Re: And they say C is obscure Ken Brody <kenbrody@spamcop.net> - 2017-04-14 13:36 -0400
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-04-20 13:24 +0000
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-20 08:05 -0700
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-20 15:32 +0000
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-20 09:48 -0700
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-20 18:00 +0000
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-20 11:34 -0700
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-20 18:41 +0000
Re: And they say C is obscure Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-04-09 13:18 -0700
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-09 14:03 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-09 22:56 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-04-10 09:12 +0200
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-10 08:22 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-10 18:28 +0100
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-10 17:49 +0000
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-10 11:50 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-10 20:33 +0100
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-10 13:06 -0700
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-10 21:48 +0100
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-10 22:15 +0100
Re: And they say C is obscure Michael Barry <barrym95838@yahoo.com> - 2017-04-10 18:46 -0700
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-10 21:46 +0000
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-10 23:09 +0100
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-11 12:40 +0000
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-11 14:15 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-26 10:13 -0700
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-26 10:38 -0700
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-10 15:23 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-04-14 11:51 +0000
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-14 13:14 +0100
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-14 10:42 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-14 19:04 +0100
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-14 21:43 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-26 11:02 -0700
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-26 19:05 +0100
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-04-26 12:02 -0700
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-26 21:55 +0100
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-27 00:15 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-27 13:23 -0700
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-14 18:12 +0100
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-14 18:37 +0100
Re: And they say C is obscure GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-04-11 00:03 +0200
Re: And they say C is obscure Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-04-10 14:10 -0700
Re: And they say C is obscure mark.bluemel@gmail.com - 2017-04-11 08:41 -0700
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-11 08:58 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-04-11 09:06 -0700
Re: And they say C is obscure scott@slp53.sl.home (Scott Lurndal) - 2017-04-11 16:46 +0000
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-04-11 19:02 +0100
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-04-14 11:59 +0000
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-26 10:59 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-04-27 21:40 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-02 05:17 -0700
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-03 12:50 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-05 01:20 -0700
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-05 12:37 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-06 00:16 -0700
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-06 11:49 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-06 13:16 -0700
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-06 14:10 -0700
Re: And they say C is obscure Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-05-06 20:23 -0600
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-06 21:51 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-07 05:04 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-07 05:09 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-07 05:18 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-07 05:54 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-05-07 13:48 +0100
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-07 06:13 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-07 15:10 +0200
Re: And they say C is obscure Manfred <noname@invalid.add> - 2017-05-07 16:47 +0200
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-07 21:08 +0200
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-05-07 21:54 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-08 00:59 +0200
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-07 16:59 -0700
Re: And they say C is obscure Robert Wessel <robertwessel2@yahoo.com> - 2017-05-07 22:28 -0500
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-08 10:16 +0200
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-08 02:41 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-08 07:36 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-09 10:06 +0000
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-09 14:03 +0200
Re: And they say C is obscure Manfred <noname@invalid.add> - 2017-05-09 19:41 +0200
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-09 21:35 +0200
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-09 20:25 +0000
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-10 14:48 +0200
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-10 14:23 +0100
Re: And they say C is obscure Manfred <noname@invalid.add> - 2017-05-10 21:31 +0200
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-05-10 12:45 -0700
Re: And they say C is obscure "James R. Kuyper" <jameskuyper@verizon.net> - 2017-05-10 16:49 -0400
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-07 08:56 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-08 09:54 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-08 17:32 -0700
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-05-08 18:26 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-09 02:28 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-09 10:15 +0000
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-09 05:53 -0700
Re: And they say C is obscure bartc <bc@freeuk.com> - 2017-05-09 14:15 +0100
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-09 06:55 -0700
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-09 14:43 +0100
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-09 23:07 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-10 15:32 +0200
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-10 11:39 +0000
Re: And they say C is obscure mark.bluemel@gmail.com - 2017-05-09 06:21 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-11 03:00 -0700
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-05-09 18:20 +0100
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-05-10 10:06 -0700
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-10 11:11 -0700
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-10 12:45 +0100
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-10 05:33 -0700
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-10 13:41 +0100
Re: And they say C is obscure Jerry Stuckle <jstucklex@attglobal.net> - 2017-05-10 09:32 -0400
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-10 14:51 +0100
Re: And they say C is obscure Jerry Stuckle <jstucklex@attglobal.net> - 2017-05-10 10:54 -0400
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-10 17:36 +0200
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-10 09:28 -0700
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-10 19:12 +0100
Re: And they say C is obscure me <crisdunbar@gmail.com> - 2017-05-10 11:53 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-10 22:19 +0200
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-05-11 07:36 +0100
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-11 00:39 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-11 13:30 +0200
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-11 13:17 +0100
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-11 13:37 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-12 10:39 +0200
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-13 09:34 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-13 09:48 -0700
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-13 19:48 +0100
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-13 14:01 -0700
Re: And they say C is obscure David Kleinecke <dkleinecke@gmail.com> - 2017-05-13 15:23 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-14 03:14 -0700
[OT] Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-14 12:18 +0100
Re: [OT] Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-14 13:28 +0100
Re: [OT] Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-14 15:56 +0200
Re: [OT] Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-14 16:56 +0100
Re: And they say C is obscure Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-14 02:03 +0100
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-14 03:08 -0700
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-14 13:44 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-14 16:13 +0200
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-14 08:04 -0700
Re: And they say C is obscure luser droog <luser.droog@gmail.com> - 2017-05-14 08:52 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-14 09:16 -0700
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-14 17:48 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 14:11 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-14 22:57 +0200
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-05-14 14:10 -0700
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-14 15:51 +0200
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 14:04 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-11 07:45 -0700
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-11 16:45 +0100
Re: And they say C is obscure Gareth Owen <gwowen@gmail.com> - 2017-05-11 19:58 +0100
Re: And they say C is obscure Ike Naar <ike@iceland.freeshell.org> - 2017-05-11 22:15 +0000
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-11 23:24 +0100
Re: And they say C is obscure David Brown <david.brown@hesbynett.no> - 2017-05-12 10:50 +0200
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-12 09:57 +0100
Re: And they say C is obscure Jerry Stuckle <jstucklex@attglobal.net> - 2017-05-10 16:31 -0400
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-10 07:50 -0700
Re: And they say C is obscure supercat@casperkitty.com - 2017-05-10 09:00 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-11 03:03 -0700
Re: And they say C is obscure Keith Thompson <kst-u@mib.org> - 2017-05-11 09:02 -0700
Re: And they say C is obscure Manfred <noname@invalid.add> - 2017-05-12 18:34 +0200
Re: And they say C is obscure Richard Heathfield <rjh@cpax.org.uk> - 2017-05-12 18:47 +0100
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-13 09:03 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-09 10:11 +0000
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-09 08:28 -0700
Re: And they say C is obscure Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2017-05-09 09:40 -0700
Re: And they say C is obscure raltbos@xs4all.nl (Richard Bos) - 2017-05-09 20:26 +0000
Re: And they say C is obscure fir <profesor.fir@gmail.com> - 2017-05-10 00:20 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-08 09:01 -0700
Re: And they say C is obscure John Bode <jfbode1029@gmail.com> - 2017-04-11 09:15 -0700
Re: And they say C is obscure supercat@casperkitty.com - 2017-04-11 09:29 -0700
Re: And they say C is obscure Manfred <noname@invalid.add> - 2017-04-13 16:00 +0200
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-16 19:45 -0700
Re: And they say C is obscure Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-26 11:09 -0700
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