http://codereview.chromium.org/5900001/diff/5001/src/ia32/lithium-codegen-ia32.cc File src/ia32/lithium-codegen-ia32.cc (right):
http://codereview.chromium.org/5900001/diff/5001/src/ia32/lithium-codegen-ia32.cc#newcode2285 src/ia32/lithium-codegen-ia32.cc:2285: __ jmp(&call); On 2010/12/15 14:38:38, William Hesse wrote:
Calling power_double_double rather than power_double_int here loses
the
optimization for integer powers, which is much faster in many cases.
Integer
powers use multiplication and squaring, and double powers use log and
exp. Good point. I'll check performance. I didn't notice that two different functions were called here. Thanks! http://codereview.chromium.org/5900001/ -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev
