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Re: [PATCH] Conditional floating move on Sparc64 when ! TARGET_HARD_QUAD
- To: rth at cygnus dot com
- Subject: Re: [PATCH] Conditional floating move on Sparc64 when ! TARGET_HARD_QUAD
- From: "David S. Miller" <davem at redhat dot com>
- Date: Tue, 7 Dec 1999 18:15:46 -0800
- CC: jakub at redhat dot com, gcc-patches at gcc dot gnu dot org
- References: <19991207153715.F515@mff.cuni.cz> <19991207154117.A5687@cygnus.com>
Date: Tue, 7 Dec 1999 15:41:17 -0800
From: Richard Henderson <rth@cygnus.com>
You should just gen up the appropriate DFmode hard reg instead.
Doesn't work Richard, I tried that over a year ago and
that is precisely what lead to the problem in the first
place. What you suggest confuses Haifa's note restoration
mechanism and results in an abort.
When Haifa is fully moved to using the core compiler float
information I will revisit this.
Later,
David S. Miller
davem@redhat.com