8186461: Zero's atomic_copy64() should use SPE instructions on linux-powerpcspe
Reviewed-by: aph
diff --git a/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp b/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
index 51bf788..db9a2d3 100644
--- a/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
+++ b/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"
