Lower simplified StringLessThan[OrEqual] to runtime call.

Lower simplified StringLessThan[OrEqual] to runtime call.

R=titzer@chromium.org
TEST=cctest/test-simplified-lowering/LowerStringOps_to_call_and_compare

Committed: https://code.google.com/p/v8/source/detail?r=23653

[titzer, 2014-09-03 11:36:53]

lgtm with comment

https://codereview.chromium.org/531093002/diff/1/test/cctest/compiler/test-si...
File test/cctest/compiler/test-simplified-lowering.cc (right):

https://codereview.chromium.org/531093002/diff/1/test/cctest/compiler/test-si...
test/cctest/compiler/test-simplified-lowering.cc:1059: t.machine()->is32() ?
t.machine()->Int32LessThan()->opcode()
Maybe we should have a IntLessThan() that shortens this up? (with a comment on
it!)

[Michael Starzinger, 2014-09-03 12:04:50]

https://codereview.chromium.org/531093002/diff/1/test/cctest/compiler/test-si...
File test/cctest/compiler/test-simplified-lowering.cc (right):

https://codereview.chromium.org/531093002/diff/1/test/cctest/compiler/test-si...
test/cctest/compiler/test-simplified-lowering.cc:1054:
TEST(LowerStringOps_to_call_and_compare) {
Note to self: Adapt status file when rebasing this after
https://codereview.chromium.org/531853002/.

https://codereview.chromium.org/531093002/diff/1/test/cctest/compiler/test-si...
test/cctest/compiler/test-simplified-lowering.cc:1059: t.machine()->is32() ?
t.machine()->Int32LessThan()->opcode()
On 2014/09/03 11:36:53, titzer wrote:
> Maybe we should have a IntLessThan() that shortens this up? (with a comment on
> it!)

Done.

[Michael Starzinger, 2014-09-03 12:43:54]

Committed patchset #3 (id:40001) manually as 23653 (presubmit successful).