runtime/platform/utils.h - Issue 538213003: Speed up freelist by using intrinsics to find last set bit.

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Unified Diff: runtime/platform/utils.h

Issue 538213003: Speed up freelist by using intrinsics to find last set bit. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years, 3 months ago

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Index: runtime/platform/utils.h

===================================================================

--- runtime/platform/utils.h (revision 39895)

+++ runtime/platform/utils.h (working copy)

@@ -81,6 +81,7 @@

static int HighestBit(int64_t v);

+ static int CountLeadingZeros(uword x);

static int CountTrailingZeros(uword x);

// Computes a hash value for the given string.

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