From ae6ac83991539d688095bcfc66bfb22f054860be Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 15 Oct 2020 08:37:02 +0200
Subject: [PATCH] Revert "add double precision SSE"

---
 kernel/simd/intrin_sse.h | 48 +++-------------------------------------
 1 file changed, 3 insertions(+), 45 deletions(-)

diff --git a/kernel/simd/intrin_sse.h b/kernel/simd/intrin_sse.h
index 7449a5a0b..9de7e1b27 100644
--- a/kernel/simd/intrin_sse.h
+++ b/kernel/simd/intrin_sse.h
@@ -3,59 +3,25 @@
 /***************************
  * Data Type
  ***************************/
-#ifdef DOUBLE
-typedef __m128d  v_f32;
-#else
 typedef __m128  v_f32;
-#endif
-
 #define v_nlanes_f32 4
 /***************************
  * Arithmetic
  ***************************/
-#ifdef DOUBLE
-#define v_add_f32 _mm_add_pd
-#define v_mul_f32 _mm_mul_pd
-#else
 #define v_add_f32 _mm_add_ps
 #define v_mul_f32 _mm_mul_ps
-#endif
 #ifdef HAVE_FMA3
     // multiply and add, a*b + c
-#ifdef DOUBLE
-    #define v_muladd_f32 _mm_fmadd_pd
-#else
-	#define v_muladd_f32 _mm_fmadd_ps
-#endif
+    #define v_muladd_f32 _mm_fmadd_ps
 #elif defined(HAVE_FMA4)
     // multiply and add, a*b + c
-    #ifdef DOUBLE
-        #define v_muladd_f32 _mm_macc_pd
-    #else
-	#define v_muladd_f32 _mm_macc_ps
-    #endif
+    #define v_muladd_f32 _mm_macc_ps
 #else
     // multiply and add, a*b + c
     BLAS_FINLINE v_f32 v_muladd_f32(v_f32 a, v_f32 b, v_f32 c)
     { return v_add_f32(v_mul_f32(a, b), c); }
 #endif // HAVE_FMA3
 
-// Horizontal add: Calculates the sum of all vector elements.
-#ifdef DOUBLE
-BLAS_FINLINE double v_sum_f32(__m128d a)
-{
-#ifdef HAVE_SSE3
-    __m128d sum_halves = _mm_hadd_pd(a, a);
-    return _mm_cvtsd_f64(_mm_hadd_pd(sum_halves, sum_halves));
-#else
-    __m128d t1 = _mm_movehl_pd(a, a);
-    __m128d t2 = _mm_add_pd(a, t1);
-    __m128d t3 = _mm_shuffle_pd(t2, t2, 1);
-    __m128d t4 = _mm_add_ss(t2, t3);
-    return _mm_cvtsd_f64(t4);
-#endif
-}
-#else
 // Horizontal add: Calculates the sum of all vector elements.
 BLAS_FINLINE float v_sum_f32(__m128 a)
 {
@@ -70,19 +36,11 @@ BLAS_FINLINE float v_sum_f32(__m128 a)
     return _mm_cvtss_f32(t4);
 #endif
 }
-#endif
 /***************************
  * memory
  ***************************/
 // unaligned load
-#ifdef DOUBLE
-#define v_loadu_f32 _mm_loadu_pd
-#define v_storeu_f32 _mm_storeu_pd
-#define v_setall_f32(VAL) _mm_set1_pd(VAL)
-#define v_zero_f32 _mm_setzero_pd
-#else
 #define v_loadu_f32 _mm_loadu_ps
 #define v_storeu_f32 _mm_storeu_ps
 #define v_setall_f32(VAL) _mm_set1_ps(VAL)
-#define v_zero_f32 _mm_setzero_ps
-#endif
+#define v_zero_f32 _mm_setzero_ps
\ No newline at end of file