Streamline throwing in the C entry stub. (issue 9373022)

[kmil...@chromium.org]

Reviewers: fschneider,

Description:
Streamline throwing in the C entry stub.

Remove a gratuitous level of indirection in favor of direct calls to the
macro assembler, and eliminate some duplicated code for the uncatchable
case.

R=fschn...@chromium.org
BUG=
TEST=

Please review this at https://chromiumcodereview.appspot.com/9373022/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
M src/arm/code-stubs-arm.cc
M src/arm/macro-assembler-arm.h
M src/arm/macro-assembler-arm.cc
M src/code-stubs.h
M src/ia32/code-stubs-ia32.cc
M src/ia32/macro-assembler-ia32.h
M src/ia32/macro-assembler-ia32.cc
M src/macro-assembler.h
M src/mips/code-stubs-mips.cc
M src/mips/macro-assembler-mips.h
M src/mips/macro-assembler-mips.cc
M src/x64/code-stubs-x64.cc
M src/x64/macro-assembler-x64.h
M src/x64/macro-assembler-x64.cc

[kmil...@chromium.org]

Slava, could you take a quick look at this?

http://codereview.chromium.org/9373022/

[fschn...@chromium.org]

lgtm

https://chromiumcodereview.appspot.com/9373022/