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Commit 22aa9e5f authored by cshapiro's avatar cshapiro
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The x86 calling convention requires the direction flag to be cleared

across function calls.  Make it so.  With this change we set the
direction flag only when needed and clear it immediately after its
use.  VOPs can now assume that the direction flag is always set to
zero.  Also, replace two uses of the LODS instruction with equivalent
simpler instructions.
parent 30053acb
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