From 4d9ada77ebeca215b8346ec76dfc203e76aac38d Mon Sep 17 00:00:00 2001
From: Ingo <heckflosse@i-weyrich.de>
Date: Thu, 6 Jun 2013 18:41:49 +0200
Subject: [PATCH] Changes to SLEEF for Issue 1893

---
 rtengine/helpersse2.h  | 2 ++
 rtengine/sleefsseavx.c | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/rtengine/helpersse2.h b/rtengine/helpersse2.h
index 3f83ba16e..f07c47631 100644
--- a/rtengine/helpersse2.h
+++ b/rtengine/helpersse2.h
@@ -27,6 +27,8 @@ typedef __m128i vint2;
 //
 
 #define LVFU(x) _mm_loadu_ps(&x)
+#define LC2VFU(a) _mm_shuffle_ps( LVFU(a),  _mm_loadu_ps(  (&a) + 4 ), _MM_SHUFFLE( 2,0,2,0 ) )
+
 
 static INLINE vint vrint_vi_vd(vdouble vd) { return _mm_cvtpd_epi32(vd); }
 static INLINE vint vtruncate_vi_vd(vdouble vd) { return _mm_cvttpd_epi32(vd); }
diff --git a/rtengine/sleefsseavx.c b/rtengine/sleefsseavx.c
index 057064b26..64a89d1d6 100644
--- a/rtengine/sleefsseavx.c
+++ b/rtengine/sleefsseavx.c
@@ -1292,6 +1292,14 @@ static INLINE vfloat xcbrtf(vfloat d) {
   return y;
 }
 
+static INLINE vfloat LIMV( vfloat a, vfloat b, vfloat c ) {
+return _mm_max_ps( b, _mm_min_ps(a,c));
+}
+
+static INLINE vfloat ULIMV( vfloat a, vfloat b, vfloat c  ){
+	return vself( vmaskf_lt(b,c), LIMV(a,b,c), LIMV(a,c,b));
+}
+
 static INLINE vfloat SQRV(vfloat a){
 	return _mm_mul_ps( a,a );
 }