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Re: Patch: Add a stop bit in alignment for alloc.
- From: David Mosberger <davidm at napali dot hpl dot hp dot com>
- To: "H. J. Lu" <hjl at lucon dot org>
- Cc: davidm at hpl dot hp dot com, binutils at sources dot redhat dot com,Jim Wilson <wilson at specifixinc dot com>, sje at cup dot hp dot com
- Date: Mon, 1 Mar 2004 13:18:19 -0800
- Subject: Re: Patch: Add a stop bit in alignment for alloc.
- References: <1076121975.3250.174.camel@leaf.tuliptree.org><16428.30544.173672.844344@napali.hpl.hp.com><1077009458.1053.6.camel@leaf.tuliptree.org><16434.38140.424393.737296@napali.hpl.hp.com><1077065305.1148.31.camel@leaf.tuliptree.org><16435.187.766200.581591@napali.hpl.hp.com><1077095246.4892.20.camel@leaf.tuliptree.org><16435.51117.464169.757826@napali.hpl.hp.com><1077137874.1058.37.camel@leaf.tuliptree.org><16435.57775.265658.442490@napali.hpl.hp.com><20040301205732.GA26489@lucon.org>
- Reply-to: davidm at hpl dot hp dot com
>>>>> On Mon, 1 Mar 2004 12:57:32 -0800, "H. J. Lu" <hjl@lucon.org> said:
HJ> If the next instruction is alloc, we have to make sure there
HJ> is a stop bit before it so that alloc is the first instruction
HJ> of the instruction group.
Would it be possible to use the info in ia64-opc* instead? There is a
flag there (IA64_OPCODE_FIRST) which is set when an instruction must
be the first one in a instruction-group. A quick grep shows that
these instructions must be first:
flushrs
loadrs
alloc
Thanks,
--david