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Re: Add AArch64 hwcap values from Linux 4.17
- From: Szabolcs Nagy <szabolcs dot nagy at arm dot com>
- To: Joseph Myers <joseph at codesourcery dot com>, libc-alpha at sourceware dot org
- Cc: nd at arm dot com
- Date: Tue, 5 Jun 2018 09:56:39 +0100
- Subject: Re: Add AArch64 hwcap values from Linux 4.17
- Nodisclaimer: True
- References: <alpine.DEB.2.20.1806042056220.1085@digraph.polyomino.org.uk>
- Spamdiagnosticmetadata: NSPM
- Spamdiagnosticoutput: 1:99
On 04/06/18 21:56, Joseph Myers wrote:
Linux 4.17 adds four new AArch64 hwcap values. This patch adds them
to glibc's AArch64 bits/hwcap.h.
dl-procinfo.c needs to be updated too.
i think it's better if that's in the same commit.
(i should probably add a comment in hwcap.h about this)
Tested with build-many-glibcs.py for aarch64.
2018-06-04 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_DIT): New
macro.
(HWCAP_USCAT): Likewise.
(HWCAP_ILRCPC): Likewise.
(HWCAP_FLAGM): Likewise.
diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
index 6f05ec1..0837913 100644
--- a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
+++ b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
@@ -45,3 +45,7 @@
#define HWCAP_SHA512 (1 << 21)
#define HWCAP_SVE (1 << 22)
#define HWCAP_ASIMDFHM (1 << 23)
+#define HWCAP_DIT (1 << 24)
+#define HWCAP_USCAT (1 << 25)
+#define HWCAP_ILRCPC (1 << 26)
+#define HWCAP_FLAGM (1 << 27)