* [PATCH] libgcc/aarch64: also provide AT_HWCAP2 fallback
@ 2024-05-29 9:51 Jan Beulich
2024-06-05 10:37 ` Richard Sandiford
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2024-05-29 9:51 UTC (permalink / raw)
To: gcc-patches
Cc: Richard Earnshaw, Richard Sandiford, Marcus Shawcroft, Kyrylo Tkachov
Much like AT_HWCAP is already provided in case the platform headers
don't have the value (yet).
libgcc/
* config/aarch64/cpuinfo.c: Provide AT_HWCAP2.
---
Observed as build failure with 14.1.0, so may want backporting there.
--- a/libgcc/config/aarch64/cpuinfo.c
+++ b/libgcc/config/aarch64/cpuinfo.c
@@ -146,6 +146,9 @@ struct {
#define HWCAP_PACG (1UL << 31)
#endif
+#ifndef AT_HWCAP2
+#define AT_HWCAP2 26
+#endif
#ifndef HWCAP2_DCPODP
#define HWCAP2_DCPODP (1 << 0)
#endif
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] libgcc/aarch64: also provide AT_HWCAP2 fallback
2024-05-29 9:51 [PATCH] libgcc/aarch64: also provide AT_HWCAP2 fallback Jan Beulich
@ 2024-06-05 10:37 ` Richard Sandiford
0 siblings, 0 replies; 2+ messages in thread
From: Richard Sandiford @ 2024-06-05 10:37 UTC (permalink / raw)
To: Jan Beulich
Cc: gcc-patches, Richard Earnshaw, Marcus Shawcroft, Kyrylo Tkachov
Jan Beulich <jbeulich@suse.com> writes:
> Much like AT_HWCAP is already provided in case the platform headers
> don't have the value (yet).
>
> libgcc/
>
> * config/aarch64/cpuinfo.c: Provide AT_HWCAP2.
OK for trunk and GCC 14.
Thanks,
Richard
> ---
> Observed as build failure with 14.1.0, so may want backporting there.
>
> --- a/libgcc/config/aarch64/cpuinfo.c
> +++ b/libgcc/config/aarch64/cpuinfo.c
> @@ -146,6 +146,9 @@ struct {
> #define HWCAP_PACG (1UL << 31)
> #endif
>
> +#ifndef AT_HWCAP2
> +#define AT_HWCAP2 26
> +#endif
> #ifndef HWCAP2_DCPODP
> #define HWCAP2_DCPODP (1 << 0)
> #endif
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2024-06-05 10:37 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-05-29 9:51 [PATCH] libgcc/aarch64: also provide AT_HWCAP2 fallback Jan Beulich
2024-06-05 10:37 ` Richard Sandiford
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).