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diff src/cpu/x86/vm/assembler_x86.hpp @ 7475:e2e6bf86682c

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8005544: Use 256bit YMM registers in arraycopy stubs on x86 Summary: Use YMM registers in arraycopy and array_fill stubs. Reviewed-by: roland, twisti
author kvn
date Thu, 03 Jan 2013 16:30:47 -0800
parents 00af3a3a8df4
children 038dd2875b94
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line diff
--- a/src/cpu/x86/vm/assembler_x86.hpp	Thu Jan 03 15:09:55 2013 -0800
+++ b/src/cpu/x86/vm/assembler_x86.hpp	Thu Jan 03 16:30:47 2013 -0800
@@ -1754,6 +1754,9 @@
   void vextractf128h(Address dst, XMMRegister src);
   void vextracti128h(Address dst, XMMRegister src);
 
+  // duplicate 4-bytes integer data from src into 8 locations in dest
+  void vpbroadcastd(XMMRegister dst, XMMRegister src);
+
   // AVX instruction which is used to clear upper 128 bits of YMM registers and
   // to avoid transaction penalty between AVX and SSE states. There is no
   // penalty if legacy SSE instructions are encoded using VEX prefix because