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Re: bzip2-0.9.0b compilation problem with egcs-1.1.1
- To: "Gary Gourley" <suse at imailbox dot com>
- Subject: Re: bzip2-0.9.0b compilation problem with egcs-1.1.1
- From: Jeffrey A Law <law at hurl dot cygnus dot com>
- Date: Sun, 17 Jan 1999 21:31:30 -0700
- cc: egcs at egcs dot cygnus dot com
- Reply-To: law at cygnus dot com
In message <36926DEE.46C7CC8D@yahoo.com>you write:
> Hi,
>
> I got a problem with egcs and bzip2 which i don't
> understand.
>
> I tried to compile bzip2-0.9.0b with CFLAGS="-O6 -mpentium"
> by using egcs-1.1.1, the resulting binary failed the bzip2's
> self test
> (no such problem when i used the same flag with
> egcs-1.0.3a).
I just tried this test with egcs-1.1.1 and it worked fine for me.
> Another problem is that the bzip2 compiled with egcs-1.1.1
> is 3% slower than the binary compiled with egcs-1.0.3a !?
> Why slower?
Could you investigate this further? It would be a big help if you could
identify what hot loop in the bzip code is being compiled into worse code
with egcs-1.1.1 than with egcs-1.0.3.
jeff