R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23629031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16624 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

The name NumberOfCores is misleading, as it does not return the
actual number of cores. While NumberOfProcessorsOnline is also
not a great name, it's at least consistent with the operating
system terminology.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/23655004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16392 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Move all of the CPU detection logic to the CPU class, and make
all other code use the CPU class for feature detection.

This also fixes the ARM CPU feature detection logic, which was
based on fragile string search in /proc/cpuinfo. Now we use
ELF hwcaps if available, falling back to sane(!!) parsing of
/proc/cpuinfo for CPU features.

The ia32 and x64 code was also cleaned up to make it usable
outside the assembler.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23401002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

We already have OS::DebugBreak(), which does the right thing.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/22893050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16293 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/9139051

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header which uses BASE_EMBEDDED and/or AllStatic. Note that still only
45 out of 135 headers in src/ can be used stand-alone, but at least
this is a little bit more than before...
Review URL: http://codereview.chromium.org/6931031

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This patch introduces global once per-process initialization and moves
the OS and CPU setup there. This makes CPU features isolate-independent.

Review URL: http://codereview.chromium.org/6670119

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This issue was raised by Brett Wilson while reviewing my changelist for readability. Craig Silverstein (one of C++ SG maintainers) confirmed that we should declare one namespace per line. Our way of namespaces closing seems not violating style guides (there is no clear agreement on it), so I left it intact.

Review URL: http://codereview.chromium.org/115756


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2038 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Added presubmit step to check copyright.



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