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[RFA PATCH, ia64]: Put soft-FP exception handler out-of-line

From: Uros Bizjak <ubizjak at gmail dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Tue, 12 Jun 2012 12:31:17 +0200
Subject: [RFA PATCH, ia64]: Put soft-FP exception handler out-of-line

Hello!

Similar to x86, this patch puts soft-FP exception handler out-of-line.
The patch also cleans asm constraints a bit (introduces "+"), but has
no other functional changes.

2012-06-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/ia64/sfp-machine.h (__sfp_handle_exceptions): New
	function declaration.
	(FP_EX_MASK): New.
	(FP_HANDLE_EXCEPTIONS): Use __sfp_handle_exceptions.
	* config/ia64/sfp-exceptions.c: New.
	* config/ia64/t-softfp (LIB2ADD): Add sfp-exceptions.c.

The patch is only compile tested, needs someone to regression test it ...

Uros.

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