Update aarch64 bits/hwcap.h, dl-procinfo.c for Linux 4.16 HWCAP_ASIMDFHM

Message ID alpine.DEB.2.20.1804201619000.14779@digraph.polyomino.org.uk
State New, archived
Headers

Commit Message

Joseph Myers April 20, 2018, 4:19 p.m. UTC
  This patch updates the aarch64 bits/hwcap.h and dl-procinfo.c for the
new HWCAP_ASIMDFHM value in Linux 4.16.

Tested with build-many-glibcs.py for aarch64-linux-gnu.

2018-04-20  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_ASIMDFHM):
	New macro.
	* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c (_DL_HWCAP_COUNT):
	Increase to 24.
	(_dl_aarch64_cap_flags): Add asimdfhm.
  

Comments

Szabolcs Nagy April 20, 2018, 4:26 p.m. UTC | #1
On 20/04/18 17:19, Joseph Myers wrote:
> This patch updates the aarch64 bits/hwcap.h and dl-procinfo.c for the
> new HWCAP_ASIMDFHM value in Linux 4.16.
> 
> Tested with build-many-glibcs.py for aarch64-linux-gnu.
> 
> 2018-04-20  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_ASIMDFHM):
> 	New macro.
> 	* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c (_DL_HWCAP_COUNT):
> 	Increase to 24.
> 	(_dl_aarch64_cap_flags): Add asimdfhm.
> 

this is ok to commit.

thanks.

> diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
> index 569eb07..6f05ec1 100644
> --- a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
> +++ b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
> @@ -44,3 +44,4 @@
>   #define HWCAP_ASIMDDP		(1 << 20)
>   #define HWCAP_SHA512		(1 << 21)
>   #define HWCAP_SVE		(1 << 22)
> +#define HWCAP_ASIMDFHM		(1 << 23)
> diff --git a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
> index 940f648..054d5c8 100644
> --- a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
> +++ b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
> @@ -57,7 +57,7 @@ PROCINFO_CLASS struct cpu_features _dl_aarch64_cpu_features
>   #endif
>   
>   /* Number of HWCAP bits set.  */
> -#define _DL_HWCAP_COUNT 23
> +#define _DL_HWCAP_COUNT 24
>   
>   #if !defined PROCINFO_DECL && defined SHARED
>     ._dl_aarch64_cap_flags
> @@ -68,7 +68,8 @@ PROCINFO_CLASS const char _dl_aarch64_cap_flags[_DL_HWCAP_COUNT][10]
>   /* Matches the names in arch/arm64/kernel/cpuinfo.c of Linux.  */
>   = { "fp", "asimd", "evtstrm", "aes", "pmull", "sha1", "sha2", "crc32",
>       "atomics", "fphp", "asimdhp", "cpuid", "asimdrdm", "jscvt", "fcma",
> -    "lrcpc", "dcpop", "sha3", "sm3", "sm4", "asimddp", "sha512", "sve" }
> +    "lrcpc", "dcpop", "sha3", "sm3", "sm4", "asimddp", "sha512", "sve",
> +    "asimdfhm" }
>   #endif
>   #if !defined SHARED || defined PROCINFO_DECL
>   ;
>
  

Patch

diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
index 569eb07..6f05ec1 100644
--- a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
+++ b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
@@ -44,3 +44,4 @@ 
 #define HWCAP_ASIMDDP		(1 << 20)
 #define HWCAP_SHA512		(1 << 21)
 #define HWCAP_SVE		(1 << 22)
+#define HWCAP_ASIMDFHM		(1 << 23)
diff --git a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
index 940f648..054d5c8 100644
--- a/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
+++ b/sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
@@ -57,7 +57,7 @@  PROCINFO_CLASS struct cpu_features _dl_aarch64_cpu_features
 #endif
 
 /* Number of HWCAP bits set.  */
-#define _DL_HWCAP_COUNT 23
+#define _DL_HWCAP_COUNT 24
 
 #if !defined PROCINFO_DECL && defined SHARED
   ._dl_aarch64_cap_flags
@@ -68,7 +68,8 @@  PROCINFO_CLASS const char _dl_aarch64_cap_flags[_DL_HWCAP_COUNT][10]
 /* Matches the names in arch/arm64/kernel/cpuinfo.c of Linux.  */
 = { "fp", "asimd", "evtstrm", "aes", "pmull", "sha1", "sha2", "crc32",
     "atomics", "fphp", "asimdhp", "cpuid", "asimdrdm", "jscvt", "fcma",
-    "lrcpc", "dcpop", "sha3", "sm3", "sm4", "asimddp", "sha512", "sve" }
+    "lrcpc", "dcpop", "sha3", "sm3", "sm4", "asimddp", "sha512", "sve",
+    "asimdfhm" }
 #endif
 #if !defined SHARED || defined PROCINFO_DECL
 ;