PTAL, sry for rebase, forgot to store original branch point...
On 2013/06/18 17:01:52, Toon Verwaest wrote:
https://codereview.chromium.org/17082003/diff/3001/src/hydrogen-instructions.cc#newcode1290
src/hydrogen-instructions.cc:1290: if
(expected_input_types_.ContainsAnyOf(number_types)) {
Are you sure you want to make smi+undefined double rather than tagged?
Seems
like tagged would be faster; given that smis are valid tagged objects;
and you
need to do a smi-check anyway.
I'd rather make undefined a special case of Contains(HEAP_NUMBER).
agree
https://codereview.chromium.org/17082003/diff/3001/src/ia32/lithium-codegen-ia32.cc#newcode2139
src/ia32/lithium-codegen-ia32.cc:2139: } else if (type.IsHeapNumber()) {
ASSERT(!info()->IsStub());
XMM is not available for stubs.
ok
https://codereview.chromium.org/17082003/diff/3001/src/x64/lithium-x64.cc#newcode1022
src/x64/lithium-x64.cc:1022: expected != ToBooleanStub::all_types()) {
Can you add a comment what expected == all_types means?
Also, can we make ia32/x64 and ARM agree on &&,! vs ||?
tried to make it more self explaining
https://codereview.chromium.org/17082003/
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