# HG changeset patch
# User glaubitz
# Date 1524889690 -3600
#      Sat Apr 28 05:28:10 2018 +0100
# Node ID be1379a186ba527b32c93a83e04c9600735fe44b
# Parent  91ab2eac9856ec86c16c0bedd32e0b87974ead6f
8186461, PR3557: Zero's atomic_copy64() should use SPE instructions on linux-powerpcspe
Reviewed-by: aph

diff --git openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
--- openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
@@ -36,12 +36,18 @@
 
   // Atomically copy 64 bits of data
   static void atomic_copy64(volatile void *src, volatile void *dst) {
-#if defined(PPC32)
+#if defined(PPC32) && !defined(__SPE__)
     double tmp;
     asm volatile ("lfd  %0, %2\n"
                   "stfd %0, %1\n"
                   : "=&f"(tmp), "=Q"(*(volatile double*)dst)
                   : "Q"(*(volatile double*)src));
+#elif defined(PPC32) && defined(__SPE__)
+    long tmp;
+    asm volatile ("evldd  %0, %2\n"
+                  "evstdd %0, %1\n"
+                  : "=&r"(tmp), "=Q"(*(volatile long*)dst)
+                  : "Q"(*(volatile long*)src));
 #elif defined(S390) && !defined(_LP64)
     double tmp;
     asm volatile ("ld  %0, 0(%1)\n"