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From: Richard Sandiford <rsandifo@redhat.com>
To: "H. J. Lu" <hjl@lucon.org>
Cc: 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: 14 Oct 2002 17:09:38 +0100	[thread overview]
Message-ID: <wvnit05ovct.fsf@talisman.cambridge.redhat.com> (raw)
In-Reply-To: <20021014082810.A28682@lucon.org>

"H. J. Lu" <hjl@lucon.org> writes:
> Can gcc be be modified not to generate noreorder/nomacro for branchs if
> gas is used?

Sounds like you're suggesting gcc should leave gas to fill delay slots?

gcc is usually much better at filling delay slots than gas is.  gas just
looks at the previous instruction to see if it's suitable.  gcc can pull
pull instructions from the branch target instead.

Richard

       reply	other threads:[~2002-10-14 16:09 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     ` Richard Sandiford [this message]
     [not found]       ` <20021014091649.A29353@lucon.org>
2002-10-14 16:35         ` MIPS gas relaxation still doesn't work Richard Sandiford
     [not found]           ` <20021014101640.A30133@lucon.org>
2002-10-14 17:13             ` David S. Miller
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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