[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/sysdeps/alpha/hp-timing.h b/ap/libc/glibc/glibc-2.22/sysdeps/alpha/hp-timing.h
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+/* High precision, low overhead timing functions. Alpha version.
+ Copyright (C) 2001-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson <rth@redhat.com>, 2001.
+
+ 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 have the timestamp register, but it's got only a 4 second
+ range. Use it for ld.so profiling only. */
+#define HP_TIMING_AVAIL (0)
+#define HP_SMALL_TIMING_AVAIL (1)
+
+/* We indeed have inlined functions. */
+#define HP_TIMING_INLINE (1)
+
+/* We use 32 bit values for the times. */
+typedef unsigned int hp_timing_t;
+
+/* The "rpcc" instruction returns a 32-bit counting half and a 32-bit
+ "virtual cycle counter displacement". Subtracting the two gives us
+ a virtual cycle count. */
+#define HP_TIMING_NOW(VAR) \
+ do { \
+ unsigned long int x_; \
+ asm volatile ("rpcc %0" : "=r"(x_)); \
+ (VAR) = (int) (x_) - (int) (x_ >> 32); \
+ } while (0)
+
+#include <hp-timing-common.h>
+
+#endif /* hp-timing.h */