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Diffstat (limited to 'third_party/libopenjpeg20/opj_includes.h')
-rw-r--r--third_party/libopenjpeg20/opj_includes.h46
1 files changed, 39 insertions, 7 deletions
diff --git a/third_party/libopenjpeg20/opj_includes.h b/third_party/libopenjpeg20/opj_includes.h
index e3d4686488..f855b7c669 100644
--- a/third_party/libopenjpeg20/opj_includes.h
+++ b/third_party/libopenjpeg20/opj_includes.h
@@ -118,33 +118,65 @@
#endif
#endif
+
+
/* MSVC before 2013 and Borland C do not have lrintf */
-#if defined(_MSC_VER) && (_MSC_VER < 1800) || defined(__BORLANDC__)
-static INLINE long lrintf(float f){
+#if defined(_MSC_VER)
+#include <intrin.h>
+static INLINE long opj_lrintf(float f){
#ifdef _M_X64
- return (long)((f>0.0f) ? (f + 0.5f):(f -0.5f));
-#else
+ return _mm_cvt_ss2si(_mm_load_ss(&f));
+
+ /* commented out line breaks many tests */
+ /* return (long)((f>0.0f) ? (f + 0.5f):(f -0.5f)); */
+#elif defined(_M_IX86)
int i;
-
- _asm{
+ _asm{
fld f
fistp i
};
return i;
+#else
+ return (long)((f>0.0f) ? (f + 0.5f) : (f - 0.5f));
#endif
}
+#elif defined(__BORLANDC__)
+static INLINE long opj_lrintf(float f) {
+#ifdef _M_X64
+ return (long)((f>0.0f) ? (f + 0.5f):(f -0.5f));
+#else
+ int i;
+
+ _asm {
+ fld f
+ fistp i
+ };
+
+ return i;
+#endif
+}
+#else
+static INLINE long opj_lrintf(float f) {
+ return lrintf(f);
+}
#endif
#if defined(_MSC_VER) && (_MSC_VER < 1400)
#define vsnprintf _vsnprintf
#endif
+/* MSVC x86 is really bad at doing int64 = int32 * int32 on its own. Use intrinsic. */
+#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__INTEL_COMPILER) && defined(_M_IX86)
+# include <intrin.h>
+# pragma intrinsic(__emul)
+#endif
+
#include "opj_inttypes.h"
#include "opj_clock.h"
#include "opj_malloc.h"
-#include "function_list.h"
#include "event.h"
+#include "function_list.h"
#include "bio.h"
#include "cio.h"