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6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86

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Modify assembler code to check for 0 count for all copy routines.

Reviewed-by: never, ysr, jcoomes
This commit is contained in:
Vladimir Kozlov 2010-06-10 13:04:20 -07:00
parent 1f4cfb029b
commit 9c7b430e11
11 changed files with 89 additions and 144 deletions
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2
hotspot/src/share/vm/c1/c1_Runtime1.cpp
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@ -1122,7 +1122,7 @@ JRT_LEAF(void, Runtime1::primitive_arraycopy(HeapWord* src, HeapWord* dst, int l
if (length == 0) return;
// Not guaranteed to be word atomic, but that doesn't matter
// for anything but an oop array, which is covered by oop_arraycopy.
Copy::conjoint_bytes(src, dst, length);
Copy::conjoint_jbytes(src, dst, length);
JRT_END
JRT_LEAF(void, Runtime1::oop_arraycopy(HeapWord* src, HeapWord* dst, int num))