aboutsummaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/i386/i586/isa.h (renamed from sysdeps/i386/i586/init-arch.h)9
-rw-r--r--sysdeps/i386/i686/isa.h (renamed from sysdeps/i386/i686/init-arch.h)9
-rw-r--r--sysdeps/i386/isa.h (renamed from sysdeps/i386/init-arch.h)9
-rw-r--r--sysdeps/x86/hp-timing.h (renamed from sysdeps/i386/i686/hp-timing.h)28
-rw-r--r--sysdeps/x86/init-arch.h1
-rw-r--r--sysdeps/x86_64/hp-timing.h40
-rw-r--r--sysdeps/x86_64/isa.h24
7 files changed, 65 insertions, 55 deletions
diff --git a/sysdeps/i386/i586/init-arch.h b/sysdeps/i386/i586/isa.h
index 72fb46c61e..79481ce680 100644
--- a/sysdeps/i386/i586/init-arch.h
+++ b/sysdeps/i386/i586/isa.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2015-2018 Free Software Foundation, Inc.
+/* x86 ISA info. i586 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -15,5 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _ISA_H
+#define _ISA_H
+
#define MINIMUM_ISA 586
-#include <sysdeps/x86/init-arch.h>
+
+#endif
diff --git a/sysdeps/i386/i686/init-arch.h b/sysdeps/i386/i686/isa.h
index ab99392b58..584e26bd4f 100644
--- a/sysdeps/i386/i686/init-arch.h
+++ b/sysdeps/i386/i686/isa.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2015-2018 Free Software Foundation, Inc.
+/* x86 ISA info. i686 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -15,5 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _ISA_H
+#define _ISA_H
+
#define MINIMUM_ISA 686
-#include <sysdeps/x86/init-arch.h>
+
+#endif
diff --git a/sysdeps/i386/init-arch.h b/sysdeps/i386/isa.h
index 043089ceb9..e0a1e9c84f 100644
--- a/sysdeps/i386/init-arch.h
+++ b/sysdeps/i386/isa.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 2015-2018 Free Software Foundation, Inc.
+/* x86 ISA info. i486 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -15,5 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _ISA_H
+#define _ISA_H
+
#define MINIMUM_ISA 486
-#include <sysdeps/x86/init-arch.h>
+
+#endif
diff --git a/sysdeps/i386/i686/hp-timing.h b/sysdeps/x86/hp-timing.h
index 59af526fdb..1c20e9d828 100644
--- a/sysdeps/i386/i686/hp-timing.h
+++ b/sysdeps/x86/hp-timing.h
@@ -1,7 +1,6 @@
-/* High precision, low overhead timing functions. i686 version.
- Copyright (C) 1998-2018 Free Software Foundation, Inc.
+/* High precision, low overhead timing functions. x86 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -20,12 +19,17 @@
#ifndef _HP_TIMING_H
#define _HP_TIMING_H 1
+#include <isa.h>
+
+#if MINIMUM_ISA == 686 || MINIMUM_ISA == 8664
+# include <x86intrin.h>
+
/* We always assume having the timestamp register. */
-#define HP_TIMING_AVAIL (1)
-#define HP_SMALL_TIMING_AVAIL (1)
+# define HP_TIMING_AVAIL (1)
+# define HP_SMALL_TIMING_AVAIL (1)
/* We indeed have inlined functions. */
-#define HP_TIMING_INLINE (1)
+# define HP_TIMING_INLINE (1)
/* We use 64bit values for the times. */
typedef unsigned long long int hp_timing_t;
@@ -35,8 +39,14 @@ typedef unsigned long long int hp_timing_t;
running in this moment. This could be changed by using a barrier like
'cpuid' right before the `rdtsc' instruciton. But we are not interested
in accurate clock cycles here so we don't do this. */
-#define HP_TIMING_NOW(Var) __asm__ __volatile__ ("rdtsc" : "=A" (Var))
+# define HP_TIMING_NOW(Var) ((Var) = _rdtsc ())
-#include <hp-timing-common.h>
+# include <hp-timing-common.h>
+#else
+/* NB: Undefine _HP_TIMING_H so that <sysdeps/generic/hp-timing.h> will
+ be included. */
+# undef _HP_TIMING_H
+# include <sysdeps/generic/hp-timing.h>
+#endif
-#endif /* hp-timing.h */
+#endif /* hp-timing.h */
diff --git a/sysdeps/x86/init-arch.h b/sysdeps/x86/init-arch.h
index a81ca8a4eb..bc860fcd69 100644
--- a/sysdeps/x86/init-arch.h
+++ b/sysdeps/x86/init-arch.h
@@ -21,6 +21,7 @@
# include <ldsodefs.h>
#endif
#include <ifunc-init.h>
+#include <isa.h>
#ifndef __x86_64__
/* Due to the reordering and the other nifty extensions in i686, it is
diff --git a/sysdeps/x86_64/hp-timing.h b/sysdeps/x86_64/hp-timing.h
deleted file mode 100644
index ec543bef03..0000000000
--- a/sysdeps/x86_64/hp-timing.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* High precision, low overhead timing functions. x86-64 version.
- Copyright (C) 2002-2018 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _HP_TIMING_H
-#define _HP_TIMING_H 1
-
-/* We always assume having the timestamp register. */
-#define HP_TIMING_AVAIL (1)
-#define HP_SMALL_TIMING_AVAIL (1)
-
-/* We indeed have inlined functions. */
-#define HP_TIMING_INLINE (1)
-
-/* We use 64bit values for the times. */
-typedef unsigned long long int hp_timing_t;
-
-/* The "=A" constraint used in 32-bit mode does not work in 64-bit mode. */
-#define HP_TIMING_NOW(Var) \
- ({ unsigned int _hi, _lo; \
- asm volatile ("rdtsc" : "=a" (_lo), "=d" (_hi)); \
- (Var) = ((unsigned long long int) _hi << 32) | _lo; })
-
-#include <hp-timing-common.h>
-
-#endif /* hp-timing.h */
diff --git a/sysdeps/x86_64/isa.h b/sysdeps/x86_64/isa.h
new file mode 100644
index 0000000000..452bce75eb
--- /dev/null
+++ b/sysdeps/x86_64/isa.h
@@ -0,0 +1,24 @@
+/* x86 ISA info. x86-64 version.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _ISA_H
+#define _ISA_H
+
+#define MINIMUM_ISA 8664
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 03:44:18 +0000