My results on Intel(R) Core(TM)2 Duo CPU T5800 @ 2.00GHz
on x86:
benchmarked magic: 14.048889885s
benchmarked div: 5.426952392s
benchmarked mul: 4.034106976s
on x86-64:
benchmarked magic: 2.467789582s
benchmarked div: 9.748067755s
benchmarked mul: 8.665307997s
---
src/wayland-util.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/wayland-util.h b/src/wayland-util.h
index fa5c6c5..919da34 100644
--- a/src/wayland-util.h
+++ b/src/wayland-util.h
@@ -168,6 +168,7 @@ void wl_array_copy(struct wl_array *array, struct wl_array
*source);
typedef int32_t wl_fixed_t;
+#ifdef __x86_64__
static inline double
wl_fixed_to_double (wl_fixed_t f)
{
@@ -180,7 +181,15 @@ wl_fixed_to_double (wl_fixed_t f)
return u.d - (3LL << 43);
}
+#else
+static inline double
+wl_fixed_to_double (wl_fixed_t f)
+{
+ return (double) f / 256.0;
+}
+#endif
+#ifdef __x86_64__
static inline wl_fixed_t
wl_fixed_from_double(double d)
{
@@ -193,6 +202,13 @@ wl_fixed_from_double(double d)
return u.i;
}
+#else
+static inline wl_fixed_t
+wl_fixed_from_double(double d)
+{
+ return (wl_fixed_t) round (d * 256.0);
+}
+#endif
static inline int wl_fixed_to_int(wl_fixed_t f)
{
--
1.7.10.2
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