Version 3.8.0.
Fixed handling of arrays in DefineOwnProperty. (issue 1756)
Sync parser and preparser on do-while and return statements. (issue 1856)
Fixed another corner case for DefineOwnProperty on arrays (issue 1756).
Stability and performance improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@10239 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/assembler.cc b/src/assembler.cc
index bc05c01..941f45c 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1113,17 +1113,9 @@
double power_double_double(double x, double y) {
- int y_int = static_cast<int>(y);
- if (y == y_int) {
- return power_double_int(x, y_int); // Returns 1.0 for exponent 0.
- }
- if (!isinf(x)) {
- if (y == 0.5) return sqrt(x + 0.0); // -0 must be converted to +0.
- if (y == -0.5) return 1.0 / sqrt(x + 0.0);
- }
- if (isnan(y) || ((x == 1 || x == -1) && isinf(y))) {
- return OS::nan_value();
- }
+ // The checks for special cases can be dropped in ia32 because it has already
+ // been done in generated code before bailing out here.
+ if (isnan(y) || ((x == 1 || x == -1) && isinf(y))) return OS::nan_value();
return pow(x, y);
}