src/frames.cc - Issue 9638018: [v8-dev] Optimise Math.floor(x/y) to use integer division for specific divisor....

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Unified Diff: src/frames.cc

Issue 9638018: [v8-dev] Optimise Math.floor(x/y) to use integer division for specific divisor.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: '' Created 8 years, 8 months ago

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Index: src/frames.cc

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

--- src/frames.cc (revision 11426)

+++ src/frames.cc (working copy)

@@ -1359,12 +1359,7 @@

// -------------------------------------------------------------------------

int NumRegs(RegList reglist) {

- int n = 0;

- while (reglist != 0) {

- n++;

- reglist &= reglist - 1; // clear one bit

- }

- return n;

+ return CompilerIntrinsics::CountSetBits(reglist);

}

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