From: Alistair Francis via Libc-alpha <libc-alpha@sourceware.org>
To: Joseph Myers <joseph@codesourcery.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
Alistair Francis <alistair.francis@wdc.com>
Subject: Re: [PATCH v2 12/18] RISC-V: Add the RV32 libm-test-ulps
Date: Thu, 4 Jun 2020 21:01:58 -0700 [thread overview]
Message-ID: <CAKmqyKPdd+6HxLO1-D3Z_ZpkxxJLU2k2LWXW5_HWLwm-jnBKUg@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.2006031732160.7179@digraph.polyomino.org.uk>
On Wed, Jun 3, 2020 at 10:34 AM Joseph Myers <joseph@codesourcery.com> wrote:
>
> On Wed, 3 Jun 2020, Alistair Francis via Libc-alpha wrote:
>
> > Add a libm-test-ulps for RV32, generated by running `make regen-ulps`.
> > This is different to the RV64 one.
>
> *Why* is it different from the RV64 one? (If some functions produce
> different results because of use of sysdeps/ieee754/dbl-64/wordsize-64/
> variants on RV64, that would be a good reason, for example, but I don't
> see ieee754/dbl-64/wordsize-64 mentioned in Implies for RV64.)
So I just checked and I think they can actually be the same. The
reason they end up different is that the RV32 one is generated on QEMU
while the RV64 one I'm assuming was generated on hardware.
I can replace the RV32 one with the RV64 one.
Alistair
>
> --
> Joseph S. Myers
> joseph@codesourcery.com
next prev parent reply other threads:[~2020-06-05 4:11 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-03 16:25 [PATCH v2 00/18] glibc port for 32-bit RISC-V (RV32) Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 01/18] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Alistair Francis via Libc-alpha
2020-07-07 22:06 ` Maciej W. Rozycki via Libc-alpha
2020-07-10 15:27 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 02/18] RISC-V: Define __NR_* as __NR_*_time64/64 for 32-bit Alistair Francis via Libc-alpha
2020-07-08 0:09 ` Maciej W. Rozycki via Libc-alpha
2020-07-08 17:08 ` Adhemerval Zanella via Libc-alpha
2020-07-09 17:14 ` Alistair Francis via Libc-alpha
2020-07-16 0:23 ` Maciej W. Rozycki via Libc-alpha
2020-07-09 17:10 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 03/18] RISC-V: Add support for 32-bit vDSO calls Alistair Francis via Libc-alpha
2020-07-08 1:01 ` Maciej W. Rozycki via Libc-alpha
2020-07-08 18:17 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 04/18] RISC-V: Support dynamic loader for the 32-bit Alistair Francis via Libc-alpha
2020-07-08 1:35 ` Maciej W. Rozycki via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 05/18] RISC-V: Add path of library directories " Alistair Francis via Libc-alpha
2020-07-08 18:42 ` Maciej W. Rozycki via Libc-alpha
2020-07-09 17:03 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 06/18] RISC-V: Add arch-syscall.h for RV32 Alistair Francis via Libc-alpha
2020-07-08 19:33 ` Maciej W. Rozycki via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 07/18] RISC-V: nptl: update default pthread-offsets.h Alistair Francis via Libc-alpha
2020-07-09 0:14 ` Maciej W. Rozycki via Libc-alpha
2020-07-09 11:47 ` Adhemerval Zanella via Libc-alpha
2020-07-15 19:23 ` Maciej W. Rozycki via Libc-alpha
2020-08-10 17:34 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 08/18] riscv32: Add an architecture ipctypes.h Alistair Francis via Libc-alpha
2020-07-09 2:46 ` Maciej W. Rozycki via Libc-alpha
2020-07-09 11:36 ` Adhemerval Zanella via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 09/18] RISC-V: The ABI implementation for 32-bit Alistair Francis via Libc-alpha
2020-07-09 23:33 ` Maciej W. Rozycki via Libc-alpha
2020-07-10 16:45 ` Alistair Francis via Libc-alpha
2020-07-11 1:24 ` Maciej W. Rozycki via Libc-alpha
2020-08-10 21:29 ` Alistair Francis via Libc-alpha
2020-08-27 19:43 ` Adhemerval Zanella via Libc-alpha
2020-09-25 23:03 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 10/18] RISC-V: Hard float support " Alistair Francis via Libc-alpha
2020-07-11 0:49 ` Maciej W. Rozycki via Libc-alpha
2020-07-11 15:49 ` Alistair Francis via Libc-alpha
2020-07-11 22:13 ` Maciej W. Rozycki via Libc-alpha
2020-07-12 15:34 ` Alistair Francis via Libc-alpha
2020-07-12 22:10 ` Maciej W. Rozycki via Libc-alpha
2020-08-27 18:36 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 11/18] RISC-V: Add ABI lists Alistair Francis via Libc-alpha
2020-07-12 20:54 ` Maciej W. Rozycki via Libc-alpha
2020-07-13 16:14 ` Alistair Francis via Libc-alpha
2020-06-03 16:25 ` [PATCH v2 12/18] RISC-V: Add the RV32 libm-test-ulps Alistair Francis via Libc-alpha
2020-06-03 17:34 ` Joseph Myers
2020-06-05 4:01 ` Alistair Francis via Libc-alpha [this message]
2020-06-03 16:26 ` [PATCH v2 13/18] RISC-V: Fix llrint and llround missing exceptions on RV32 Alistair Francis via Libc-alpha
2020-06-03 16:26 ` [PATCH v2 14/18] RISC-V: Build Infastructure for 32-bit Alistair Francis via Libc-alpha
2020-06-03 16:26 ` [PATCH v2 15/18] riscv32: Specify the arch_minimum_kernel as 5.4 Alistair Francis via Libc-alpha
2020-06-03 16:26 ` [PATCH v2 16/18] RISC-V: Add rv32 path to RTLDLIST in ldd Alistair Francis via Libc-alpha
2020-06-03 16:26 ` [PATCH v2 17/18] Documentation for the RISC-V 32-bit port Alistair Francis via Libc-alpha
2020-06-03 16:26 ` [PATCH v2 18/18] Add RISC-V 32-bit target to build-many-glibcs.py Alistair Francis via Libc-alpha
2020-06-15 22:37 ` [PATCH v2 00/18] glibc port for 32-bit RISC-V (RV32) Alistair Francis via Libc-alpha
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