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Re: powerpc problems at least partially fixed (more optimization issues)


From: Rob Browning
Subject: Re: powerpc problems at least partially fixed (more optimization issues).
Date: Fri, 11 Apr 2003 13:46:16 -0500
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i386-pc-linux-gnu)

Rob Browning <address@hidden> writes:

> Found it.  In eval.c this construct:
>
>       while (SCM_NNULLP (t.arg1 = SCM_CDR (t.arg1)))
>
> At the moment I don't know if this is a legitimate optimzation
> interacting badly with our macros/fancy-bit-twiddling, or if it's a
> bug in gcc, but either way, I'm going to change the code in 1.6 and
> HEAD.

Now that I poke around, it looks like changes similar in effect have
already been made in 1.7...

-- 
Rob Browning
rlb @defaultvalue.org, @linuxdevel.com, and @debian.org
Previously @cs.utexas.edu
GPG starting 2002-11-03 = 14DD 432F AE39 534D B592  F9A0 25C8 D377 8C7E 73A4




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