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Re: [PATCH 3/4] Add ILP32 support to aarch64

• From: Joseph Myers <joseph at codesourcery dot com>
• To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
• Cc: "Ellcey, Steve" <Steve dot Ellcey at cavium dot com>, nd <nd at arm dot com>,"libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>
• Date: Fri, 4 Aug 2017 00:12:29 +0000
• Subject: Re: [PATCH 3/4] Add ILP32 support to aarch64
• Authentication-results: sourceware.org; auth=none
• References: <DB6PR0801MB20533095035144673B49342083B10@DB6PR0801MB2053.eurprd08.prod.outlook.com>

On Thu, 3 Aug 2017, Wilco Dijkstra wrote:> The generic implementation may well be faster... I'm not sure where the> requirement of not raising inexact comes from (I don't see it in the definition> of lrint, and we generally don't care since inexact is set by almost every FP> calculation), but if it is absolutely required you'd special case values larger> than LONG_MAX.The requirement comes from lrint being bound to IEEE 754 conversion operations, so only raising inexact under the conditions specified and no spurious inexact.-- Joseph S. Myersjoseph@codesourcery.com

• Follow-Ups:
  • Re: [PATCH 3/4] Add ILP32 support to aarch64
    • From: Steve Ellcey

• References:
  • Re: [PATCH 3/4] Add ILP32 support to aarch64
    • From: Wilco Dijkstra