diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/pointer-set.c | 7 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dcd3f1bc53f..8e461b8b306 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-10-18 Richard Henderson <rth@redhat.com> + + * pointer-set.c (hash1): Don't use libm functions in fallback case. + 2004-10-18 H.J. Lu <hongjiu.lu@intel.com> PR bootstrap/17684 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); } |