Michael Liao
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9a508ef64a
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[PATCH] Fix VGATHER* operand constraints
Add earlyclobber constaints to prevent input register being allocated as
the output register because, according to Intel spec [1], "If any pair
of the index, mask, or destination registers are the same, this
instruction results a UD fault."
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[1] http://software.intel.com/sites/default/files/319433-014.pdf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183327 91177308-0d34-0410-b5e6-96231b3b80d8
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2013-06-05 18:12:26 +00:00 |
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