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Re: [avr-libc-dev] Re: [avr-libc-commit] [2103] Probe the compiler for t
From: |
Timo Sandmann |
Subject: |
Re: [avr-libc-dev] Re: [avr-libc-commit] [2103] Probe the compiler for the availability of the |
Date: |
Wed, 17 Mar 2010 15:55:34 +0100 |
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Hi,
Am 17.03.2010 um 06:20 schrieb Joerg Wunsch:
> <avr/builtins.h> also documents some other builtins which I did not
> really test so far. Documentation improvements for those are welcome.
JFYI __builtin_avr_fmul(), __builtin_avr_fmuls(), __builtin_avr_fmulsu() don't
work for me (they produce internal compiler errors). I looked into the patch
some time ago and found out that IMHO line 576 should be
+ for (i = 0, d = bdesc_2arg; i < ARRAY_SIZE (bdesc_2arg); i++, d++)
instead of
+ for (i = 0, d = bdesc_1arg; i < ARRAY_SIZE (bdesc_2arg); i++, d++)
But there seems to be another problem, the functions still didn't work (the
compiler complained about an unknown insn or sth. like that IIRC). I didn't
have the time to look deeper into that.
Timo
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