28 lines
1.1 KiB
Diff
28 lines
1.1 KiB
Diff
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# HG changeset patch
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# User aph
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# Date 1501690960 -3600
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# Wed Aug 02 17:22:40 2017 +0100
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# Node ID 91ab2eac9856ec86c16c0bedd32e0b87974ead6f
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# Parent 4e2adbc3d2b512f6b2bf318d2db60f4d1903f8c7
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8185723, PR3553: Zero: segfaults on Power PC 32-bit
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Reviewed-by: roland
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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
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--- openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
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+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.hpp
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@@ -38,10 +38,10 @@
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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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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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