* Added tests for regexp-macro-assembler-ia32.

Tests for RegExpMacroAssemblerIA32.
Disabled stack-limit checks.

[Lasse Reichstein, 2008-11-25 12:02:34]

Smallish review. New tests, and fix of some bugs found by these tests.

[Erik Corry, 2008-11-25 12:39:11]

LGTM

http://codereview.chromium.org/11608/diff/1/3
File src/regexp-macro-assembler-ia32.cc (right):

http://codereview.chromium.org/11608/diff/1/3#newcode41
Line 41: *         NOTICE: This is the byte offset, not the character offset!
No shouting :-)

http://codereview.chromium.org/11608/diff/1/3#newcode66
Line 66: * character of the string). The remaining registers are starts out as
garbage.
this sentence are not parse

http://codereview.chromium.org/11608/diff/1/3#newcode81
Line 81: bool ignore_case)
ignore_case is unused and likely to remain so.

http://codereview.chromium.org/11608/diff/1/3#newcode373
Line 373: __ dec(eax);
I think dec is deprecated for performance reasons (sets only some of the flags).

http://codereview.chromium.org/11608/diff/1/3#newcode499
Line 499: ASSERT(register_index >= num_saved_registers_);  // Reserved for
positions!
We might want to use this instruction on capture positions too.

http://codereview.chromium.org/11608/diff/1/3#newcode581
Line 581: __ j(above, &no_preempt, taken);
This needs to be moved out of line at some point (ie in the generated code).

[Lasse Reichstein, 2008-11-25 13:05:47]

http://codereview.chromium.org/11608/diff/1/3
File src/regexp-macro-assembler-ia32.cc (right):

http://codereview.chromium.org/11608/diff/1/3#newcode81
Line 81: bool ignore_case)
I see that the CheckNotBackReferenceCaseIndependent method has been added. In
that case there indeed isn't any need for this parameter any more.

http://codereview.chromium.org/11608/diff/1/3#newcode499
Line 499: ASSERT(register_index >= num_saved_registers_);  // Reserved for
positions!
It won't work for positions, as currently implemented. Internally, a position is
stored as a negative byte index from the end of the string. You should only ever
use WriteCurrentPositionToRegister to create position values.
If we need to store a position, we should create
 WritePositionToRegister(int reg, int cp_offset)