From 711581cf5063fe868fac071613d6356fbddf9124 Mon Sep 17 00:00:00 2001
From: aph <unknown>
Date: Wed, 2 Aug 2017 17:22:40 +0100
Subject: [PATCH] 8185723: Zero: segfaults on Power PC 32-bit Reviewed-by:
 roland

---
 src/os_cpu/linux_zero/vm/os_linux_zero.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/os_cpu/linux_zero/vm/os_linux_zero.hpp b/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
index 7b7e367ed..51bf78877 100644
--- a/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
+++ b/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
@@ -38,10 +38,10 @@
   static void atomic_copy64(volatile void *src, volatile void *dst) {
 #if defined(PPC32)
     double tmp;
-    asm volatile ("lfd  %0, 0(%1)\n"
-                  "stfd %0, 0(%2)\n"
-                  : "=f"(tmp)
-                  : "b"(src), "b"(dst));
+    asm volatile ("lfd  %0, %2\n"
+                  "stfd %0, %1\n"
+                  : "=&f"(tmp), "=Q"(*(volatile double*)dst)
+                  : "Q"(*(volatile double*)src));
 #elif defined(S390) && !defined(_LP64)
     double tmp;
     asm volatile ("ld  %0, 0(%1)\n"
-- 
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