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Date: Tue, 20 Aug 2019 16:04:00 -0000
From: Joseph Myers <joseph@codesourcery.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
CC: Tejas Joshi <tejasjoshi9673@gmail.com>, <gcc@gcc.gnu.org>, Martin Jambor	<mjambor@suse.cz>, <hubicka@ucw.cz>, <richard.sandiford@arm.com>
Subject: Re: Expansion of narrowing math built-ins into power instructions
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On Tue, 20 Aug 2019, Segher Boessenkool wrote:

> plus minus neg mult div mod smin smax abs sqrt fma  I think?  And let's
> hope we never ever have to do saturating versions of FP :-)

There are six operations with narrowing versions in TS 18661-1 (plus minus 
mult div sqrt fma).

neg and abs are operations that do no rounding, raise no exceptions and 
preserve signaling NaNs (affecting their sign bit appropriately).

-- 
Joseph S. Myers
joseph@codesourcery.com