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From: Joseph Myers <joseph@codesourcery.com>
To: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: "linux-snps-arc@lists.infradead.org"
	<linux-snps-arc@lists.infradead.org>,
	"libc-alpha@sourceware.org" <libc-alpha@sourceware.org>,
	Adhemerval Zanella <adhemerval.zanella@linaro.org>
Subject: Re: [PATCH v6 06/13] ARC: hardware floating point support
Date: Tue, 2 Jun 2020 17:51:23 +0000
Message-ID: <alpine.DEB.2.21.2006021749170.3673@digraph.polyomino.org.uk> (raw)
In-Reply-To: <5b06914d-acb3-4404-4ff2-93bb7a04f8f5@synopsys.com>

On Fri, 29 May 2020, Vineet Gupta via Libc-alpha wrote:

> Something like below ?
> 
> +# define _FPU_FPSR_FWE		0x80000000
> +
> -#  define _FPU_GETCW(cw) __asm__ volatile ("lr %0, [0x300]" : "=r" (cw))
> -#  define _FPU_SETCW(cw) __asm__ volatile ("sr %0, [0x300]" : : "r" (cw))
> +static inline unsigned int arc_fpu_getcw(void)
> +{
> +  unsigned int cw;

Even for a header that's not defined in any standard, as an installed 
header you should avoid names in the user's namespace that are not 
explicitly part of the API for the user to use.  That is, unless you 
actually intend the name arc_fpu_getcw to be a supported interface for 
users including <fpu_control.h>, you should name it __arc_fpu_getcw, and 
you should use __cw to avoid conflicting with any user macro called sw.  
(Function definitions also need to be in GNU style - function name at the 
start of a line, space before '('.)

-- 
Joseph S. Myers
joseph@codesourcery.com

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  reply index

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-23  1:41 [PATCH v6 00/13] glibc port to ARC processors Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 01/13] ARC: ABI Implementation Vineet Gupta
     [not found]   ` <88508d10-2d29-026a-bb54-ad607154ab87@linaro.org>
2020-05-27 22:15     ` Vineet Gupta
2020-05-29 13:56       ` Adhemerval Zanella
     [not found]     ` <a56a35d4-3e9e-9a88-4be5-8553d5f11ad3@synopsys.com>
     [not found]       ` <87mu5jxkv7.fsf@oldenburg2.str.redhat.com>
2020-06-04 19:01         ` Vineet Gupta
2020-06-04 23:56           ` Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 02/13] ARC: startup and dynamic linking code Vineet Gupta
     [not found]   ` <17957ee6-2bc1-f43b-f184-f0703ba2765f@linaro.org>
2020-05-28  1:14     ` Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 03/13] ARC: Thread Local Storage support Vineet Gupta
     [not found]   ` <4f7a67fb-6f96-57e6-b827-d1ab5dd6733f@linaro.org>
2020-05-28  1:36     ` Vineet Gupta
2020-06-01 18:53       ` Adhemerval Zanella
2020-04-23  1:41 ` [PATCH v6 04/13] ARC: Atomics and Locking primitives Vineet Gupta
     [not found]   ` <03f4a9b3-b1ca-90fa-0b6a-609a3135267d@linaro.org>
2020-04-24  7:23     ` Vineet Gupta
     [not found]     ` <20200427215938.14136-1-vgupta@synopsys.com>
2020-04-27 22:13       ` [PATCH] semaphore: consolidate arch headers into a generic one Vineet Gupta
     [not found]       ` <ac93c301-36d3-b20a-d31c-50c1f3264c68@linaro.org>
2020-05-05 22:59         ` Vineet Gupta
2020-05-08 13:32           ` Adhemerval Zanella
2020-04-23  1:41 ` [PATCH v6 05/13] ARC: math soft float support Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 06/13] ARC: hardware floating point support Vineet Gupta
2020-05-29 14:12   ` Adhemerval Zanella
2020-05-29 22:28     ` Vineet Gupta
2020-05-29 23:50       ` Vineet Gupta
2020-06-02 17:51         ` Joseph Myers [this message]
     [not found]         ` <07887c48-7e07-9f89-035d-3f336a16f2da@synopsys.com>
2020-06-02 18:13           ` static inline math functions (was Re: [PATCH v6 06/13] ARC: hardware floating point support) Joseph Myers
2020-06-02 18:35             ` Adhemerval Zanella
2020-06-05  4:44         ` [PATCH v6 06/13] ARC: hardware floating point support Vineet Gupta
2020-06-05 17:22           ` Adhemerval Zanella
2020-06-02 17:48       ` Joseph Myers
2020-04-23  1:41 ` [PATCH v6 07/13] ARC: Linux Syscall Interface Vineet Gupta
2020-05-29 16:49   ` Adhemerval Zanella
2020-05-30  2:02     ` Vineet Gupta
2020-06-03 19:46     ` Vineet Gupta
2020-06-03 20:04       ` Adhemerval Zanella
2020-06-03 20:17         ` Vineet Gupta
2020-06-04 11:06           ` Adhemerval Zanella
2020-04-23  1:41 ` [PATCH v6 08/13] ARC: Linux ABI Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 09/13] ARC: Linux Startup and Dynamic Loading Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 10/13] ARC: ABI lists Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 11/13] ARC: Build Infrastructure Vineet Gupta
2020-06-03 19:58   ` Adhemerval Zanella
2020-06-04 15:25     ` Vineet Gupta
2020-06-04 17:05       ` Adhemerval Zanella
2020-06-08  4:18         ` Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 12/13] build-many-glibcs.py: Enable ARC builds Vineet Gupta
2020-04-23  1:41 ` [PATCH v6 13/13] Documentation for ARC port Vineet Gupta
2020-05-04 21:21 ` [PATCH v6 00/13] glibc port to ARC processors Vineet Gupta
2020-05-15  0:45   ` Vineet Gupta
2020-05-27  1:49     ` Vineet Gupta
     [not found]       ` <d7f1176c-87c6-90c6-161c-4705a47837ea@linaro.org>
2020-05-27 18:38         ` Vineet Gupta

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