Subject:
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Re: NQC v. LegOS / size
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 10 Feb 1999 03:26:24 GMT
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Original-From:
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dave madden <dhm@paradigm!NoSpam!.webvision.com>
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Viewed:
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1488 times
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=>From: "John A. Tamplin" <jat@Traveller.COM>
=>...
=>It calls __divhi3, which is defined in config/h8300/lib1funcs.asm. I
=>built egcs-1.1.1 without any changes (that I remember :), and it put
=>those in libgcc1.a, which then gets merged into libgcc.a. In addition
=>to the 16-bit routines your example uses, it also has 32-bit multiply and
=>divide functions (__mulsi3, etc). I don't have it still around, but I am
=>pretty sure egcs-1.1a also properly handled this. I have not ever built
=>gcc 2.8 or egcs-1.1 as a cross compiler for the H8, so if you are using
=>one of those it may not have the helper functions.
I stand corrected...those functions *are* there. I don't know why my
libgcc didn't get installed...perhaps it was:
=>Did you configure it as a cross compiler (setting --target h8300-hitachi-hms
=>and --host to whatever your host platform is)?
I think I only set --target...maybe it didn't fully understand that I
wanted to make a cross compiler. I'll fiddle with it again one of
these days...
d.
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Re: NQC v. LegOS / size
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| (...) In most cross-compilers, there is assembly code for those helper functions. In EGCS, those are in config/h8300/lib1funcs.asm. (...) It calls __divhi3, which is defined in config/h8300/lib1funcs.asm. I built egcs-1.1.1 without any changes (that (...) (25 years ago, 9-Feb-99, to lugnet.robotics)
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