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Re: SPARC tail calls using the new infrastructure (take 3)
- To: Jakub Jelinek <jakub at redhat dot com>
- Subject: Re: SPARC tail calls using the new infrastructure (take 3)
- From: Richard Henderson <rth at cygnus dot com>
- Date: Wed, 22 Mar 2000 09:59:51 -0800
- Cc: Jeffrey A Law <law at cygnus dot com>, "David S. Miller" <davem at redhat dot com>, gcc-patches at gcc dot gnu dot org
- References: <20000321103500.L525@mff.cuni.cz> <23328.953651468@upchuck> <20000322133915.W525@mff.cuni.cz>
On Wed, Mar 22, 2000 at 01:39:15PM +0100, Jakub Jelinek wrote:
> ... I have a suspicion that either the minimal jump and
> flow or the fact that call sequences are hidden in CALL_PLACEHOLDERs during
> the minimal jump and flow confuse other optimization passes.
There are several places we updated to make sure to look inside
CALL_PLACEHOLDER sequences. We should do the same with mark_jump_label.
Otherwise this looks like the right approach.
r~