From 26aa75bef97454f65b437067cf77a5a0255934a3 Mon Sep 17 00:00:00 2001 From: Jeff Sturm Date: Wed, 6 Sep 2000 22:25:56 +0000 Subject: jvm.h (_Jv_HashCode): Cast object ptr to `unsigned long' to avoid long long division. 2000-09-06 Jeff Sturm * include/jvm.h (_Jv_HashCode): Cast object ptr to `unsigned long' to avoid long long division. From-SVN: r36215 --- libjava/include/jvm.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'libjava/include/jvm.h') diff --git a/libjava/include/jvm.h b/libjava/include/jvm.h index 6517885..e6e6fa6 100644 --- a/libjava/include/jvm.h +++ b/libjava/include/jvm.h @@ -164,8 +164,9 @@ inline jint _Jv_HashCode (jobject obj) { // This was chosen to yield relatively well distributed results on - // both 32- and 64-bit architectures. - return (jint) ((unsigned long long) obj % 0x7fffffff); + // both 32- and 64-bit architectures. Note 0x7fffffff is prime. + // FIXME: we assume sizeof(long) == sizeof(void *). + return (jint) ((unsigned long) obj % 0x7fffffff); } // Return a raw pointer to the elements of an array given the array -- cgit v1.1