Module Name: src
Committed By: joerg
Date: Wed Apr 30 21:04:58 UTC 2014
Modified Files:
src/usr.bin/nbperf: nbperf-bdz.c
Log Message:
Most CPUs implement shifts modulo the width, but ARM doesn't. Don't
depend on this UB.
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/usr.bin/nbperf/nbperf-bdz.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/nbperf/nbperf-bdz.c
diff -u src/usr.bin/nbperf/nbperf-bdz.c:1.8 src/usr.bin/nbperf/nbperf-bdz.c:1.9
--- src/usr.bin/nbperf/nbperf-bdz.c:1.8 Fri Mar 1 18:26:10 2013
+++ src/usr.bin/nbperf/nbperf-bdz.c Wed Apr 30 21:04:58 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: nbperf-bdz.c,v 1.8 2013/03/01 18:26:10 joerg Exp $ */
+/* $NetBSD: nbperf-bdz.c,v 1.9 2014/04/30 21:04:58 joerg Exp $ */
/*-
* Copyright (c) 2009, 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@@ -36,7 +36,7 @@
#endif
#include <sys/cdefs.h>
-__RCSID("$NetBSD: nbperf-bdz.c,v 1.8 2013/03/01 18:26:10 joerg Exp $");
+__RCSID("$NetBSD: nbperf-bdz.c,v 1.9 2014/04/30 21:04:58 joerg Exp $");
#include <err.h>
#include <inttypes.h>
@@ -240,7 +240,7 @@ print_hash(struct nbperf *nbperf, struct
fprintf(nbperf->output,
"\tidx2 = idx - holes64[idx >> 6] - holes64k[idx >> 16];\n"
"\tidx2 -= popcount64(g1[idx >> 6] & g2[idx >> 6]\n"
- "\t & (((uint64_t)1 << idx) - 1));\n"
+ "\t & (((uint64_t)1 << (idx & 63)) - 1));\n"
"\treturn idx2;\n");
fprintf(nbperf->output, "}\n");
