Updated V8 from git://github.com/v8/v8.git to 3e6ec7e018bbf2c63ef04b85ff688198ea204c04

Update V8 source to version 3.11.4

* Performance and stability improvements on all platforms.
* Fixed native ARM build (issues 1744, 539)
* Fixed several bugs in heap profiles (including issue 2078).
* Throw syntax errors on illegal escape sequences.
* Made handling of const more consistent when combined with 'eval' and
  'with'.
* Fixed V8 on MinGW-x64 (issue 2026).
* Put new global var semantics behind a flag until WebKit tests are
  cleaned up.
* Enabled inlining some V8 API functions.
* Enabled MIPS cross-compilation.
* Implemented clearing of CompareICs (issue 2102).
* Fixed python deprecations. (issue 1391)
* Fixed GCC 4.7 (C++11) compilation. (issue 2136)

Change-Id: I72594bd22356391dd55e315c022d0c9f3fd5b451
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/3rdparty/v8/src/utils.h b/src/3rdparty/v8/src/utils.h
index 1d40c98..f116c14 100644
--- a/src/3rdparty/v8/src/utils.h
+++ b/src/3rdparty/v8/src/utils.h
@@ -85,6 +85,32 @@ inline int WhichPowerOf2(uint32_t x) {
 }
 
 
+// Magic numbers for integer division.
+// These are kind of 2's complement reciprocal of the divisors.
+// Details and proofs can be found in:
+// - Hacker's Delight, Henry S. Warren, Jr.
+// - The PowerPC Compiler Writer’s Guide
+// and probably many others.
+// See details in the implementation of the algorithm in
+// lithium-codegen-arm.cc : LCodeGen::TryEmitSignedIntegerDivisionByConstant().
+struct DivMagicNumbers {
+  unsigned M;
+  unsigned s;
+};
+
+const DivMagicNumbers InvalidDivMagicNumber= {0, 0};
+const DivMagicNumbers DivMagicNumberFor3   = {0x55555556, 0};
+const DivMagicNumbers DivMagicNumberFor5   = {0x66666667, 1};
+const DivMagicNumbers DivMagicNumberFor7   = {0x92492493, 2};
+const DivMagicNumbers DivMagicNumberFor9   = {0x38e38e39, 1};
+const DivMagicNumbers DivMagicNumberFor11  = {0x2e8ba2e9, 1};
+const DivMagicNumbers DivMagicNumberFor25  = {0x51eb851f, 3};
+const DivMagicNumbers DivMagicNumberFor125 = {0x10624dd3, 3};
+const DivMagicNumbers DivMagicNumberFor625 = {0x68db8bad, 8};
+
+const DivMagicNumbers DivMagicNumberFor(int32_t divisor);
+
+
 // The C++ standard leaves the semantics of '>>' undefined for
 // negative signed operands. Most implementations do the right thing,
 // though.