Manage compiler flags and some include options per file or target, not globally

[alexxy/gromacs.git] / src / gromacs / ewald / pme_spread.cpp

diff --git a/src/gromacs/ewald/pme_spread.cpp b/src/gromacs/ewald/pme_spread.cpp
index 88cbad784d890b2ad511376b98ffe13a1fb5140e..d21f4c6a240c28faa3ec8ab2dffddeb38eab0c39 100644 (file)
--- a/src/gromacs/ewald/pme_spread.cpp
+++ b/src/gromacs/ewald/pme_spread.cpp
@@ -206,6 +206,13 @@ static void make_thread_local_ind(const PmeAtomComm *atc,
     spline->n = n;
 }
 
+// At run time, the values of order used and asserted upon mean that
+// indexing out of bounds does not occur. However compilers don't
+// always understand that, so we suppress this warning for this code
+// region.
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Warray-bounds"
+
 /* Macro to force loop unrolling by fixing order.
  * This gives a significant performance gain.
  */
@@ -286,6 +293,8 @@ static void make_bsplines(splinevec theta, splinevec dtheta, int order,
     }
 }
 
+#pragma GCC diagnostic pop
+
 /* This has to be a macro to enable full compiler optimization with xlC (and probably others too) */
 #define DO_BSPLINE(order)                            \
     for (ithx = 0; (ithx < (order)); ithx++)                    \