BlueGene/Q Verlet cut-off scheme kernels

[alexxy/gromacs.git] / src / mdlib / nbnxn_kernels / nbnxn_kernel_simd_utils_ref.h

diff --git a/src/mdlib/nbnxn_kernels/nbnxn_kernel_simd_utils_ref.h b/src/mdlib/nbnxn_kernels/nbnxn_kernel_simd_utils_ref.h
index ac7ddec9b9fa3fc4905f3ed225743f8ac9a977b9..1d0d10e9eef64cbbf85ec86d946daf6ae43f87c4 100644 (file)
--- a/src/mdlib/nbnxn_kernels/nbnxn_kernel_simd_utils_ref.h
+++ b/src/mdlib/nbnxn_kernels/nbnxn_kernel_simd_utils_ref.h
@@ -37,10 +37,20 @@
 #ifndef _nbnxn_kernel_simd_utils_ref_h_
 #define _nbnxn_kernel_simd_utils_ref_h_
 
-typedef gmx_simd_ref_epi32            gmx_simd_ref_exclfilter;
-#define gmx_exclfilter                gmx_simd_ref_exclfilter
+typedef gmx_simd_ref_epi32      gmx_simd_ref_exclfilter;
+typedef gmx_simd_ref_exclfilter gmx_exclfilter;
 static const int filter_stride = GMX_SIMD_EPI32_WIDTH/GMX_SIMD_WIDTH_HERE;
 
+/* Set the stride for the lookup of the two LJ parameters from their
+   (padded) array. Only strides of 2 and 4 are currently supported. */
+#if defined GMX_NBNXN_SIMD_2XNN
+static const int nbfp_stride = 4;
+#elif defined GMX_DOUBLE
+static const int nbfp_stride = 2;
+#else
+static const int nbfp_stride = 4;
+#endif
+
 #if GMX_SIMD_WIDTH_HERE > 4
 /* The 4xn kernel operates on 4-wide i-force registers */
 
@@ -89,6 +99,10 @@ gmx_add_pr4(gmx_mm_pr4 a, gmx_mm_pr4 b)
     return c;
 }
 
+#else
+
+typedef gmx_simd_ref_pr gmx_simd_ref_pr4;
+
 #endif