[LLVMdev] FYI: IA-32 psABI draft version 0.1

H.J. Lu
Thu, 22 Jan 2015 21:37:06 -0000

On Thu, Jan 22, 2015 at 1:13 PM, Joseph Myers <joseph at codesourcery.com>
wrote:
> On Thu, 22 Jan 2015, H.J. Lu wrote:
>
>> Here is the link:
>>
>> https://groups.google.com/forum/#!topic/ia32-abi/nq6cvH_VVV4
>
> I sent the following reply to the ia32-abi list but haven't yet
received
> it back from the list - you might want to check if it's stuck in
> moderation somewhere:

Gmail put the message in "Promotion" category :-).

> I would suggest that rather than using old terms such as
"single",
> "double" and "128-bit extended" to describe
floating-point formats, and
> rather than referring to "IEEE-754R", the names from IEEE
754-2008 should
> be used.  That is, binary32, binary64, binary128.  (When referring to
> decimal32, decimal64, decimal128 you still need to specify somewhere that
> it's BID rather than DPD.  And you'll still need to refer to 80-bit
> extended since that's not an IEEE interchange format.)
>

This change should be made in x86-64 psABI first before cherry-picked
into IA-32 psABI.

--
H.J.