Mark _BitScanReverse as an intrinsic, as this is not done by default
in _DEBUG mode (thanks to Bjoern D. Rasmussen for the suggestion).
Move the declaration of ec_ilog() to where the macro using it is
defined, to ensure it is available when the macro is used.
Thanks to John Ridges for the report.
---
libcelt/ecintrin.h | 5 +++++
libcelt/entcode.h | 2 --
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/libcelt/ecintrin.h b/libcelt/ecintrin.h
index 4591d07..9222a3c 100644
--- a/libcelt/ecintrin.h
+++ b/libcelt/ecintrin.h
@@ -81,6 +81,9 @@
All other code should use EC_ILOG() instead.*/
#if defined(_MSC_VER)
# include <intrin.h>
+/*In _DEBUG mode this is not an intrinsic by default.*/
+# pragma intrinsic(_BitScanReverse)
+
static __inline int ec_bsr(unsigned long _x){
unsigned long ret;
_BitScanReverse(&ret,_x);
@@ -111,6 +114,8 @@ static __inline int ec_bsr(unsigned long _x){
When we need to, it can be special cased.*/
# define EC_ILOG(_x) (EC_CLZ0-EC_CLZ(_x))
#else
+int ec_ilog(ec_uint32 _v);
+
# define EC_ILOG(_x) (ec_ilog(_x))
#endif
diff --git a/libcelt/entcode.h b/libcelt/entcode.h
index 581a07b..56f7ffe 100644
--- a/libcelt/entcode.h
+++ b/libcelt/entcode.h
@@ -127,6 +127,4 @@ static inline int ec_tell(ec_ctx *_this){
rounding error is in the positive direction).*/
ec_uint32 ec_tell_frac(ec_ctx *_this);
-int ec_ilog(ec_uint32 _v);
-
#endif
--
1.7.3.4
--------------080208040502010907040607--