MIPS: Fixed a bug in CopyBytes() and new test cases for MIPS macro assembler.

MIPS: Fixed a bug in CopyBytes() and new test cases for MIPS macro assembler.

Port r16873 (c2880bc)

BUG=
TEST=cctest/test-macro-assembler-mips

[Bangfu, 2013-09-23 12:59:07]

please update comments

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
File test/cctest/test-macro-assembler-mips.cc (left):

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
test/cctest/test-macro-assembler-mips.cc:76: // Storage for R0 and R1.
should be: // Storage for a0 and a1

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
test/cctest/test-macro-assembler-mips.cc:116: // R0 and R1 should point at the
first byte after the copied data.
// a0 and a1

[kilvadyb, 2013-09-23 15:30:16]

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
File test/cctest/test-macro-assembler-mips.cc (left):

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
test/cctest/test-macro-assembler-mips.cc:76: // Storage for R0 and R1.
On 2013/09/23 12:59:07, Bangfu wrote:
> should be: // Storage for a0 and a1 

Done.

https://codereview.chromium.org/24266007/diff/1/test/cctest/test-macro-assemb...
test/cctest/test-macro-assembler-mips.cc:116: // R0 and R1 should point at the
first byte after the copied data.
On 2013/09/23 12:59:07, Bangfu wrote:
> // a0 and a1

Done.

[Paul Lind, 2013-09-23 16:48:21]

lgtm

[palfia, 2013-09-23 19:40:19]

Committed as r16904.