| To: | "Maciej W. Rozycki" <macro@linux-mips.org> |
|---|---|
| Subject: | Re: [patch] MIPS/gcc: Revert removal of DImode shifts for 32-bit targets |
| From: | Richard Sandiford <rsandifo@redhat.com> |
| Date: | Mon, 19 Jul 2004 17:59:11 +0100 |
| Cc: | Ralf Baechle <ralf@linux-mips.org>, gcc-patches@gcc.gnu.org, linux-mips@linux-mips.org |
| 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)") |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <Pine.LNX.4.55.0407191648451.3667@jurand.ds.pg.gda.pl> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux) |
"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 |
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