| To: | Alexandre Oliva <aoliva@redhat.com> |
|---|---|
| Subject: | Re: MIPS gas relaxation still doesn't work |
| From: | Michael Matz <matz@suse.de> |
| Date: | Mon, 14 Oct 2002 23:04:06 +0200 (CEST) |
| Cc: | "H. J. Lu" <hjl@lucon.org>, "David S. Miller" <davem@redhat.com>, <rsandifo@redhat.com>, <linux-mips@linux-mips.org>, <gcc@gcc.gnu.org>, <binutils@sources.redhat.com> |
| In-reply-to: | <orwuokzs9k.fsf@free.redhat.lsd.ic.unicamp.br> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
Hi, On 14 Oct 2002, Alexandre Oliva wrote: > > If gcc just emits > > > bne $2,$0,$L7493 > > j $L2 > > IIRC, that's exactly what GCC will emit if you don't tell it to try to > fill delay slots. If it tries to fill delay slots and fails, I doubt > the assembler is going to succeed at that. I think that isn't hj's point. He wanta gas to take advantage of relaxation, and gcc is hindering that for no good reason. I admit I have no idea of Mips, though, so I don't know if relaxation somehow is depending on delay slot filling at all ;-) Ciao, Michael. |
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