[Webkit-unassigned] [Bug 24986] ARM JIT port

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Jun 14 17:07:31 PDT 2009


https://bugs.webkit.org/show_bug.cgi?id=24986





------- Comment #27 from barraclough at apple.com  2009-06-14 17:07 PDT -------
In my eagerness to respond quickly to this patch I may have been a little
hasty, I'm not sure whether it will be sensible to move forwards without first
addressing the design issues in the constant pools.

The real problem here is that by design the Assembler interface is intended to
exactly match the targeted platform's instruction set. The MacroAssembler is
where the constant pool should live.  This interface is designed to provide a
higher level API to programmers developing the JIT, providing a common
interface to machine code generation across architectures, masking the
differences in capabilities of platforms and breaking down operations into
multiple machine instructions where there is not a one-to-one mapping
available.

This really should probably be implemented and landed independently of (and in
advance of if required by) a new port of the JIT.


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