forked from pool/java-1_8_0-openjdk
30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
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--- openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp 2017-08-31 16:35:40.546293657 +0200
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+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp 2017-08-31 16:39:53.186297970 +0200
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@@ -36,18 +36,19 @@
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// Atomically copy 64 bits of data
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static void atomic_copy64(volatile void *src, volatile void *dst) {
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-#if defined(PPC32)
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+#if defined(PPC32) && !defined(__NO_FPRS__)
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double tmp;
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- asm volatile ("lfd %0, 0(%1)\n"
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- "stfd %0, 0(%2)\n"
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- : "=f"(tmp)
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- : "b"(src), "b"(dst));
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+ asm volatile ("lfd %0, %2\n"
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+ "stfd %0, %1\n"
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+ : "=&f"(tmp), "=Q"(*(volatile double*)dst)
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+ : "Q"(*(volatile double*)src));
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#elif defined(S390) && !defined(_LP64)
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double tmp;
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asm volatile ("ld %0, 0(%1)\n"
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"std %0, 0(%2)\n"
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- : "=r"(tmp)
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- : "a"(src), "a"(dst));
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+ : "=&r"(tmp)
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+ : "a"(src), "a"(dst)
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+ : "memory");
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#else
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*(jlong *) dst = *(jlong *) src;
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#endif
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