From: Richard Sandiford <rsandifo@redhat.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>,
gcc-patches@gcc.gnu.org, linux-mips@linux-mips.org
Subject: Re: [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets
Date: Mon, 19 Jul 2004 17:59:11 +0100 [thread overview]
Message-ID: <87hds49bmo.fsf@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.55.0407191648451.3667@jurand.ds.pg.gda.pl> (Maciej W. Rozycki's message of "Mon, 19 Jul 2004 17:35:00 +0200 (CEST)")
"Maciej W. Rozycki" <macro@linux-mips.org> writes:
> Linux relies on simple operations (addition/subtraction and shifts) on
> "long long" variables being implemented inline without a call to
> libgcc, which isn't linked in.
Sorry, but I don't think this is a reasonable expection for 64-bit
shifts on 32-bit targets. If linux insists on not using libgcc,
it should provide:
> After your change Linux has unresolved references to external __ashldi3(),
> __ashrdi3() and __lshrdi3() functions at the final link.
...these functions itself.
Richard
next prev parent reply other threads:[~2004-07-19 16:59 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-19 15:35 [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets Maciej W. Rozycki
2004-07-19 16:59 ` Richard Sandiford [this message]
2004-07-19 17:32 ` [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bittargets David Edelsohn
2004-07-19 17:33 ` [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets Maciej W. Rozycki
2004-07-19 17:37 ` Richard Sandiford
2004-07-19 21:38 ` Richard Henderson
2004-07-23 14:41 ` Maciej W. Rozycki
2004-07-23 20:27 ` Richard Henderson
2004-07-23 21:12 ` Ralf Baechle
2004-07-26 11:56 ` Maciej W. Rozycki
2004-08-02 20:03 ` Nigel Stephens
2004-08-03 5:30 ` Richard Sandiford
2004-08-03 9:22 ` Nigel Stephens
2004-08-03 9:36 ` Richard Sandiford
2004-08-03 9:54 ` Nigel Stephens
2004-08-04 19:57 ` Maciej W. Rozycki
2004-08-04 20:37 ` Nigel Stephens
2004-08-04 20:54 ` Maciej W. Rozycki
2004-08-04 23:39 ` Nigel Stephens
2004-08-07 19:01 ` Richard Sandiford
2004-08-09 22:08 ` Richard Henderson
2004-08-10 5:30 ` Richard Sandiford
2004-08-10 23:20 ` Richard Henderson
2004-08-11 0:24 ` Andreas Schwab
2004-08-11 0:40 ` Paul Brook
2004-08-11 4:32 ` Richard Henderson
2004-08-31 19:51 ` Richard Sandiford
2004-09-03 6:53 ` Richard Henderson
2004-09-03 7:05 ` Richard Sandiford
2004-09-03 7:08 ` Richard Henderson
2004-09-03 7:11 ` Richard Sandiford
2004-09-03 7:20 ` Richard Henderson
2004-09-03 7:29 ` Richard Sandiford
2004-09-03 20:15 ` Richard Henderson
2004-09-04 8:53 ` Richard Sandiford
2004-09-05 0:03 ` Richard Henderson
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