roland [Tue, 25 Feb 2014 10:42:25 -0800] rev 22917
Merge
roland [Tue, 25 Feb 2014 18:16:24 +0100] rev 22916
8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti
adlertz [Tue, 25 Feb 2014 17:51:27 +0100] rev 22915
8033260: assert(lrg._area >= 0.0) failed: negative spill area
Summary: Change type from float to double on block frequency, and add check for +Inf - +Inf operation
Reviewed-by: kvn, roland
adlertz [Tue, 25 Feb 2014 14:09:02 +0100] rev 22914
8032656: Tag the MachSpillCopies with purpose information
Summary: Subclassed the MachSpillCopyNode with different subnodes for different spill purposes to enhance debugging / visualization
Reviewed-by: kvn, roland
anoll [Tue, 25 Feb 2014 13:52:37 +0100] rev 22913
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
Summary: Ensure appropriate min. number of compiler threads (1 for non-tiered, and 2 for tiered)
Reviewed-by: kvn
adlertz [Tue, 25 Feb 2014 10:26:21 +0100] rev 22912
8032894: Remove dead code in Pressure::lower
Summary: Remove dead code in Pressure::lower
Reviewed-by: kvn, roland
rbackman [Thu, 23 Jan 2014 12:08:28 +0100] rev 22911
8027754: Enable loop optimizations for loops with MathExact inside
Reviewed-by: kvn, iveresov
kvn [Mon, 24 Feb 2014 15:12:26 -0800] rev 22910
8033805: Move Fast_Lock/Fast_Unlock code from .ad files to macroassembler
Summary: Consolidated C2 x86 locking code in one place in macroAssembler_x86.cpp.
Reviewed-by: roland