Custom call IC for Math.abs.

test/mjsunit/abs.js

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-
-// Test Math.sin and Math.abs.
-
-assertEquals(1, Math.abs(1));  // Positive SMI.
-assertEquals(1, Math.abs(-1));  // Negative SMI.
-assertEquals(0.5, Math.abs(0.5));  // Positive double.
-assertEquals(0.5, Math.abs(-0.5));  // Negative double.
-assertEquals('Infinity', Math.abs(Number('+Infinity').toString()));
-assertEquals('Infinity', Math.abs(Number('-Infinity').toString()));
-assertEquals('NaN', Math.abs(NaN).toString());
-assertEquals('NaN', Math.abs(-NaN).toString());
-
-var minusZero = 1 / (-1 / 0);
-function isMinusZero(x) {
-  return x === 0 && 1 / x < 0;
-}
-
-assertTrue(!isMinusZero(0));
-assertTrue(isMinusZero(minusZero));
-assertEquals(0, Math.abs(minusZero));
-assertTrue(!isMinusZero(Math.abs(minusZero)));
-assertTrue(!isMinusZero(Math.abs(0.0)));