From 5c6702f3847b1ac556a113faf14d1f4bc32c589d Mon Sep 17 00:00:00 2001
From: Weiqun Zhang <weiqunzhang@lbl.gov>
Date: Thu, 28 Dec 2023 19:17:36 -0800
Subject: [PATCH] Disable optimization for computeRoundOffDomain

---
 Src/Base/AMReX_Geometry.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Src/Base/AMReX_Geometry.cpp b/Src/Base/AMReX_Geometry.cpp
index ace1eefa663..19d2092e9de 100644
--- a/Src/Base/AMReX_Geometry.cpp
+++ b/Src/Base/AMReX_Geometry.cpp
@@ -513,6 +513,14 @@ Geometry::growPeriodicDomain (int ngrow) const noexcept
     return growPeriodicDomain(IntVect(ngrow));
 }
 
+#if defined(__clang__)
+[[clang::optnone]]
+#elif defined(__GNUC__)
+__attribute__ ((gnu::optimize(0)))
+#elif defined(_WIN32)
+#define AMREX_WIN32_OPTIMIZE_OFF
+#pragma optimize("", off)
+#endif
 void
 Geometry::computeRoundoffDomain ()
 {
@@ -685,6 +693,9 @@ Geometry::computeRoundoffDomain ()
         }
     }
 }
+#if defined(AMREX_WIN32_OPTIMIZE_OFF)
+#pragma optimize("", on)
+#endif
 
 bool
 Geometry::outsideRoundoffDomain (AMREX_D_DECL(ParticleReal x, ParticleReal y, ParticleReal z)) const