[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] linux-user: Check for ieee128 fpbits in PPC64 HWCAP2 feature
|
From: |
Laurent Vivier |
|
Subject: |
Re: [PATCH] linux-user: Check for ieee128 fpbits in PPC64 HWCAP2 feature list |
|
Date: |
Sun, 20 Jun 2021 16:33:23 +0200 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
Le 14/06/2021 à 21:17, Khem Raj a écrit :
> glibc 2.34 is now checking for this in hwcaps at
> runtime [1] and failing to run the binary if machine
> does not support 128bit IEEE fp
>
> Fixes
> Fatal glibc error: CPU lacks float128 support (POWER 9 or later required)
>
> [1]
> https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=d337345ce145e23c5f3a956f349d924fdf54ce2d;hp=eb24865637a271ab7dad13190330105eab0d478d
>
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
> Cc: Florian Weimer <fweimer@redhat.com>
> ---
> linux-user/elfload.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/linux-user/elfload.c b/linux-user/elfload.c
> index 17ab06f612..e7dd18fd40 100644
> --- a/linux-user/elfload.c
> +++ b/linux-user/elfload.c
> @@ -830,7 +830,7 @@ static uint32_t get_elf_hwcap2(void)
> PPC2_ISA207S), QEMU_PPC_FEATURE2_ARCH_2_07 |
> QEMU_PPC_FEATURE2_VEC_CRYPTO);
> GET_FEATURE2(PPC2_ISA300, QEMU_PPC_FEATURE2_ARCH_3_00 |
> - QEMU_PPC_FEATURE2_DARN);
> + QEMU_PPC_FEATURE2_DARN | QEMU_PPC_FEATURE2_HAS_IEEE128);
>
> #undef GET_FEATURE
> #undef GET_FEATURE2
>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>