From: Joseph Myers <joseph@codesourcery.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: <libc-alpha@sourceware.org>
Subject: Re: [PATCH v2 05/15] RISC-V: Generic <string.h> Routines
Date: Wed, 03 Jan 2018 16:03:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.20.1801031602090.5973@digraph.polyomino.org.uk> (raw)
In-Reply-To: <5b973b74-f3aa-4525-a548-b0bc9ca95208@linaro.org>
On Wed, 3 Jan 2018, Adhemerval Zanella wrote:
> Another thing I would like to check before submitting for 2.28 is a way to
> add a generic index_last_/index_fist_ without using __builtin_{clzl,ctzl}.
> On some architectures it is implemented by a libgcc call and calling a
> function call pretty much defeat the optimizations done (I added a generic
> one for SH).
Maybe a configure test should check whether those use a libgcc function,
so the default can be set based on that?
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2018-01-03 16:03 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-20 7:23 RISC-V glibc port v2 Palmer Dabbelt
2017-12-20 7:23 ` [PATCH v2 01/15] RISC-V: Build Infastructure Palmer Dabbelt
2017-12-20 14:05 ` Dmitry V. Levin
2017-12-20 20:25 ` Palmer Dabbelt
2017-12-20 16:22 ` Joseph Myers
2017-12-20 16:49 ` Adhemerval Zanella
2017-12-23 2:22 ` Palmer Dabbelt
2017-12-23 12:44 ` Joseph Myers
2017-12-25 20:58 ` Palmer Dabbelt
2018-01-01 1:21 ` Joseph Myers
2017-12-20 16:43 ` Joseph Myers
2017-12-23 3:41 ` Palmer Dabbelt
2017-12-23 12:53 ` Joseph Myers
2017-12-20 7:23 ` [PATCH v2 05/15] RISC-V: Generic <string.h> Routines Palmer Dabbelt
2017-12-20 16:48 ` Joseph Myers
2017-12-23 22:01 ` Palmer Dabbelt
2018-01-01 0:52 ` Joseph Myers
2018-01-03 15:46 ` Adhemerval Zanella
2018-01-03 16:03 ` Joseph Myers [this message]
2018-01-03 16:08 ` Adhemerval Zanella
2017-12-20 7:23 ` [PATCH v2 03/15] RISC-V: Startup and Dynamic Loading Code Palmer Dabbelt
2017-12-20 16:38 ` Joseph Myers
2017-12-23 3:25 ` Palmer Dabbelt
2017-12-23 3:33 ` DJ Delorie
2017-12-23 12:52 ` Joseph Myers
2017-12-20 7:23 ` [PATCH v2 04/15] RISC-V: Thread-Local Storage Support Palmer Dabbelt
2017-12-20 16:45 ` Joseph Myers
2017-12-23 19:10 ` Palmer Dabbelt
2017-12-20 7:23 ` [PATCH v2 02/15] RISC-V: ABI Implementation Palmer Dabbelt
2017-12-20 16:31 ` Joseph Myers
2017-12-23 3:25 ` Palmer Dabbelt
2017-12-23 3:30 ` DJ Delorie
2017-12-20 7:24 ` [PATCH v2 06/15] RISC-V: Generic <math.h> and soft-fp Routines Palmer Dabbelt
2017-12-20 16:50 ` Joseph Myers
2017-12-24 0:24 ` Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 11/15] RISC-V: Linux ABI Palmer Dabbelt
2017-12-20 17:33 ` Joseph Myers
2017-12-25 19:47 ` Palmer Dabbelt
2018-01-01 1:04 ` Joseph Myers
2018-01-02 20:59 ` Joseph Myers
2017-12-20 7:24 ` [PATCH v2 10/15] RISC-V: Linux Syscall Interface Palmer Dabbelt
2017-12-20 16:57 ` Adhemerval Zanella
2017-12-24 0:24 ` Palmer Dabbelt
2018-01-01 0:56 ` Joseph Myers
2018-01-03 13:43 ` Christoph Hellwig
2018-01-03 15:56 ` Adhemerval Zanella
2018-01-09 1:30 ` Palmer Dabbelt
2018-01-09 11:16 ` Adhemerval Zanella
2017-12-20 17:24 ` Joseph Myers
2017-12-25 19:47 ` Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 15/15] Add RISC-V to build-many-glibcs.py Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 13/15] Add RISC-V dynamic relocations to elf.h Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 14/15] Add linux-4.15 VDSO hash for RISC-V Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 07/15] RISC-V: RV32F Support Palmer Dabbelt
2017-12-20 17:01 ` Joseph Myers
2017-12-20 17:04 ` Joseph Myers
2017-12-24 1:26 ` Palmer Dabbelt
2017-12-24 0:37 ` Palmer Dabbelt
2018-01-01 0:57 ` Joseph Myers
2017-12-20 7:24 ` [PATCH v2 08/15] RISC-V: RV32D, RV64F, and RV64D Support Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 09/15] RISC-V: Atomic and Locking Routines Palmer Dabbelt
2017-12-20 17:08 ` Joseph Myers
2017-12-24 1:26 ` Palmer Dabbelt
2017-12-20 7:24 ` [PATCH v2 12/15] RISC-V: Linux Startup and Dynamic Loading Code Palmer Dabbelt
2017-12-20 16:04 ` RISC-V glibc port v2 Joseph Myers
2017-12-20 20:25 ` Palmer Dabbelt
2017-12-20 20:42 ` Joseph Myers
2017-12-20 17:40 ` Joseph Myers
2017-12-25 20:20 ` Palmer Dabbelt
2018-01-01 1:20 ` Joseph Myers
2018-01-03 13:37 ` Christoph Hellwig
2018-01-03 13:42 ` Joseph Myers
2017-12-20 21:11 ` Joseph Myers
2017-12-20 21:45 ` Palmer Dabbelt
2017-12-25 12:57 ` Adhemerval Zanella
2018-01-01 0:58 ` Joseph Myers
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