Slava Pestov
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88d15dfbea
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compiler.cfg: new system to track when results of analyses need to be recomputed (reverse post order, linear order, predecessors, dominance, loops). Passes can now call needs-predecessors, needs-dominance, needs-loops at the beginning, and cfg-changed, predecessors-changd at the end. Linearization order now takes loop nesting into account, and linear scan now uses linearization order instead of RPO.
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2009-08-08 20:02:56 -05:00 |
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Slava Pestov
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2d575d7ec9
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compiler.cfg: virtual registers are integers now, and representations are stored off to the side. Fix bug in representation selection that would manifest if a value was used as a float and a fixnum in different branches; cannot globally unbox float in this case
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2009-08-08 04:02:18 -05:00 |
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Slava Pestov
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4d2160799f
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Split off the notion of a register representation from a register class
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2009-08-07 17:44:50 -05:00 |
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Slava Pestov
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8b887630a0
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compiler.cfg: convert code into two-operand form before SSA destruction; SSA destruction now operates on a relaxed SSA form where multiple defs of the same vreg are allowed, but only within a single basic block. This makes linear scan's coalescing redundant, allowing it to be removed completely
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2009-08-05 18:57:46 -05:00 |
Joe Groff
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b4befe3f69
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[ [ ... ] compare ] sort => [ ... ] sort-with
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2009-08-02 20:09:23 -05:00 |
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Slava Pestov
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929f195076
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compiler.cfg.ssa.interference: cleanup
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2009-08-02 10:35:02 -05:00 |
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Slava Pestov
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00254d1bde
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compiler.cfg.ssa.destruction: new implementation: simpler and more correct
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2009-08-02 10:26:52 -05:00 |
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Slava Pestov
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ea7ba75a7f
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Move compiler.cfg.ssa.destruction.interference to compiler.cfg.ssa.interference
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2009-08-02 08:15:36 -05:00 |