From a1f487759c3044b9471a858df8127c6136fd22a1 Mon Sep 17 00:00:00 2001 From: rth Date: Mon, 18 Oct 2004 16:44:50 +0000 Subject: * pointer-set.c (hash1): Don't use libm functions in fallback case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89231 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/pointer-set.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'gcc/pointer-set.c') diff --git a/gcc/pointer-set.c b/gcc/pointer-set.c index f8023c7fc6c..b7154deabd1 100644 --- a/gcc/pointer-set.c +++ b/gcc/pointer-set.c @@ -61,11 +61,10 @@ hash1 (const void *p, unsigned long max, unsigned long logmax) #elif HOST_BITS_PER_LONG == 64 const unsigned long A = 0x9e3779b97f4a7c16ul; #else - const double M = (ULONG_MAX + 1.0); - const double B = M / ((sqrt (5) - 1) / 2.0); - const unsigned long A = B - (floor (B / M) * M); + const unsigned long A + = (ULONG_MAX + 1.0L) * 0.6180339887498948482045868343656381177203L; #endif - const unsigned long shift = sizeof (unsigned long) * CHAR_BIT - logmax; + const unsigned long shift = HOST_BITS_PER_LONG - logmax; return ((A * (unsigned long) p) >> shift) & (max - 1); } -- cgit v1.2.1