factor/basis/compiler/cfg/renaming/renaming.factor

! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs kernel namespaces sequences
compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.renaming.functor ;
IN: compiler.cfg.renaming

SYMBOL: renamings

: rename-value ( vreg -- vreg' )
    renamings get ?at drop ;

: fresh-value ( vreg -- vreg' )
    rep>> next-vreg ;

RENAMING: rename [ rename-value ] [ rename-value ] [ fresh-value ]
compiler.cfg.value-numbering: factor out value renaming into a separate compiler.cfg.renaming vocabulary 2009-07-10 00:14:26 -04:00			`! Copyright (C) 2009 Slava Pestov.`
			`! See http://factorcode.org/license.txt for BSD license.`
			`USING: accessors assocs kernel namespaces sequences`
compiler.cfg.ssa.construction: use the optimization from the pruned-SSA paper to minimize stack pushing and popping 2009-07-28 12:52:42 -04:00			`compiler.cfg.instructions compiler.cfg.registers`
			`compiler.cfg.renaming.functor ;`
compiler.cfg.value-numbering: factor out value renaming into a separate compiler.cfg.renaming vocabulary 2009-07-10 00:14:26 -04:00			`IN: compiler.cfg.renaming`

			`SYMBOL: renamings`

compiler.cfg.ssa.construction: use the optimization from the pruned-SSA paper to minimize stack pushing and popping 2009-07-28 12:52:42 -04:00			`: rename-value ( vreg -- vreg' )`
			`renamings get ?at drop ;`
compiler.cfg.value-numbering: factor out value renaming into a separate compiler.cfg.renaming vocabulary 2009-07-10 00:14:26 -04:00
compiler.cfg.linear-scan.assignment: modifies instructions in place instead of storing a registers assoc for further compile-time performance improvement 2009-07-29 07:36:14 -04:00			`: fresh-value ( vreg -- vreg' )`
Split off the notion of a register representation from a register class 2009-08-07 18:44:50 -04:00			`rep>> next-vreg ;`
compiler.cfg.value-numbering: factor out value renaming into a separate compiler.cfg.renaming vocabulary 2009-07-10 00:14:26 -04:00
compiler.cfg.linear-scan.assignment: modifies instructions in place instead of storing a registers assoc for further compile-time performance improvement 2009-07-29 07:36:14 -04:00			`RENAMING: rename [ rename-value ] [ rename-value ] [ fresh-value ]`