From: "David S. Miller" <davem@redhat.com>
To: hjl@lucon.org
Cc: rsandifo@redhat.com, aoliva@redhat.com,
linux-mips@linux-mips.org, gcc@gcc.gnu.org,
binutils@sources.redhat.com
Subject: Re: MIPS gas relaxation still doesn't work
Date: Mon, 14 Oct 2002 10:13:18 -0700 (PDT) [thread overview]
Message-ID: <20021014.101318.31058876.davem@redhat.com> (raw)
In-Reply-To: <20021014101640.A30133@lucon.org>
From: "H. J. Lu" <hjl@lucon.org>
Date: Mon, 14 Oct 2002 10:16:40 -0700
The problem here is when gcc fills the delay slot with nop, it kills
branch relaxation. My request is gcc never fills the delay slot with
nop. If gcc can't find any insn to fill, don't emit .set noreorder.
Why not work on making gcc fill the delay slot with something
suitable if you think the branch relaxer can do better for
your testcase?
next prev parent reply other threads:[~2002-10-14 17:20 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20021012113423.A27894@lucon.org>
[not found] ` <20021013145423.A10174@lucon.org>
[not found] ` <20021014082810.A28682@lucon.org>
2002-10-14 16:09 ` MIPS gas relaxation still doesn't work Richard Sandiford
[not found] ` <20021014091649.A29353@lucon.org>
2002-10-14 16:35 ` Richard Sandiford
[not found] ` <20021014101640.A30133@lucon.org>
2002-10-14 17:13 ` David S. Miller [this message]
2002-10-14 17:43 ` Alexandre Oliva
[not found] ` <20021014105055.B30830@lucon.org>
2002-10-14 17:58 ` Alexandre Oliva
[not found] ` <20021014110118.B30940@lucon.org>
2002-10-14 19:37 ` Alexandre Oliva
[not found] ` <20021014123940.A32333@lucon.org>
2002-10-14 19:35 ` David S. Miller
[not found] ` <20021014125549.A32575@lucon.org>
2002-10-14 19:51 ` David S. Miller
[not found] ` <20021014130932.A32693@lucon.org>
2002-10-14 20:20 ` Alexandre Oliva
2002-10-14 21:04 ` Michael Matz
2002-10-14 21:04 ` Michael Matz
[not found] ` <20021014132352.A489@lucon.org>
2002-10-14 21:06 ` Alexandre Oliva
[not found] ` <20021014141442.A1158@lucon.org>
2002-10-15 5:00 ` Alexandre Oliva
2002-10-15 8:15 ` Dominic Sweetman
2002-10-15 13:48 ` Alexandre Oliva
2002-10-15 20:19 ` Jim Wilson
2002-10-15 19:37 ` Maciej W. Rozycki
2002-10-15 22:32 ` Jim Wilson
2002-10-16 11:03 ` Maciej W. Rozycki
2002-10-16 16:43 ` Jim Wilson
2002-10-16 0:16 ` Alexandre Oliva
2002-10-16 11:06 ` Maciej W. Rozycki
2002-10-16 13:36 ` Alexandre Oliva
2002-10-16 14:13 ` Maciej W. Rozycki
2002-10-14 21:25 ` Eric Christopher
2002-10-15 5:01 ` Alexandre Oliva
2002-10-15 19:58 ` Jim Wilson
2002-10-15 20:02 ` Paul Koning
2002-10-15 20:28 ` Maciej W. Rozycki
2002-10-15 21:49 ` Alexandre Oliva
2002-10-16 10:25 ` Maciej W. Rozycki
2002-10-15 22:43 ` Richard Henderson
2002-10-14 16:19 ` Alexandre Oliva
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