src/macros.py - Issue 5977006: Introduce NUMBER_IS_FINITE macro to avoid ToNumber() conversion.

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Unified Diff: src/macros.py

Issue 5977006: Introduce NUMBER_IS_FINITE macro to avoid ToNumber() conversion. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 10 years ago

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Index: src/macros.py

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

--- src/macros.py (revision 6109)

+++ src/macros.py (working copy)

@@ -120,6 +120,7 @@

# Inline macros. Use %IS_VAR to make sure arg is evaluated only once.

macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg));

+macro NUMBER_IS_FINITE(arg) = (%_IsSmi(%IS_VAR(arg)) || arg - arg == 0);

macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToInteger(ToNumber(arg)));

macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToIntegerMapMinusZero(ToNumber(arg)));

macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0));

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