##compare
Basic block instructions

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Vocabulary
compiler.cfg.instructions

Definition

IN: compiler.cfg.instructions

TUPLE: ##compare < foldable-insn dst src1 src2 cc temp insn# ;

Methods

USING: accessors compiler.cfg.gvn.avail
compiler.cfg.instructions kernel ;

M: ##compare >avail-insn-defs [ ] change-dst drop ;


USING: accessors compiler.cfg.gvn.avail
compiler.cfg.instructions kernel ;

M: ##compare >avail-insn-temps [ ] change-temp drop ;


USING: accessors compiler.cfg.gvn.avail
compiler.cfg.instructions kernel ;

M: ##compare >avail-insn-uses
    [ dup >avail-vreg or* ] change-src1
    [ dup >avail-vreg or* ] change-src2 drop ;


USING: accessors arrays compiler.cfg.gvn.expressions
compiler.cfg.gvn.graph compiler.cfg.instructions kernel
sequences.private ;

M: ##compare >expr
    \ ##compare swap [ src1>> vreg>vn ] keep
    [ src2>> vreg>vn ] keep [ cc>> ] keep drop 4 f <array>
    3 swap [ set-array-nth ] keep 2 swap [ set-array-nth ] keep
    1 swap [ set-array-nth ] keep 0 swap [ set-array-nth ] keep
    ;


USING: accessors arrays compiler.cfg.instructions
compiler.cfg.value-numbering.expressions
compiler.cfg.value-numbering.graph kernel sequences.private ;

M: ##compare >expr
    \ ##compare swap [ src1>> vreg>vn ] keep
    [ src2>> vreg>vn ] keep [ cc>> ] keep drop 4 f <array>
    3 swap [ set-array-nth ] keep 2 swap [ set-array-nth ] keep
    1 swap [ set-array-nth ] keep 0 swap [ set-array-nth ] keep
    ;


USING: accessors compiler.cfg.alias-analysis
compiler.cfg.instructions generic kernel ;

M: ##compare analyze-aliases
    M\ ##compare analyze-aliases (call-next-method)
    dup useless-compare?
    [ dst>> f ##load-reference new-insn analyze-aliases ] when ;


USING: accessors compiler.cfg.instructions
compiler.cfg.linear-scan.assignment kernel ;

M: ##compare assign-insn-defs [ vreg>reg ] change-dst drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.linear-scan.assignment kernel ;

M: ##compare assign-insn-temps [ vreg>reg ] change-temp drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.linear-scan.assignment kernel ;

M: ##compare assign-insn-uses
    [ vreg>reg ] change-src1 [ vreg>reg ] change-src2 drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.representations.rewrite kernel ;

M: ##compare convert-insn-defs
    [ converted-value ] change-dst drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.representations.rewrite kernel ;

M: ##compare convert-insn-temps [ ] change-temp drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.representations.rewrite kernel ;

M: ##compare convert-insn-uses
    [ converted-value ] change-src1
    [ converted-value ] change-src2 drop ;


USING: compiler.cfg.instructions
compiler.cfg.representations.preferred cpu.architecture kernel ;

M: ##compare defs-vreg-reps drop { tagged-rep } ;


USING: accessors arrays compiler.cfg.def-use
compiler.cfg.instructions ;

M: ##compare defs-vregs dst>> 1array ;


USING: accessors compiler.cfg.instructions compiler.codegen
cpu.architecture kernel ;

M: ##compare generate-insn
    [ dst>> ] keep [ src1>> ] keep [ src2>> ] keep [ cc>> ] keep
    [ temp>> ] keep drop %compare ;


USING: accessors compiler.cfg.instructions compiler.cfg.renaming
kernel ;

M: ##compare rename-insn-defs [ rename-value ] change-dst drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.registers compiler.cfg.renaming kernel ;

M: ##compare rename-insn-temps
    [ drop next-vreg ] change-temp drop ;


USING: accessors compiler.cfg.instructions compiler.cfg.renaming
kernel ;

M: ##compare rename-insn-uses
    [ rename-value ] change-src1 [ rename-value ] change-src2
    drop ;


USING: accessors combinators compiler.cfg.gvn.comparisons
compiler.cfg.gvn.math compiler.cfg.gvn.rewrite
compiler.cfg.instructions kernel ;

M: ##compare rewrite
    {
        {
            [ dup src1>> vreg-immediate-comparand? ]
            [ t >compare-imm ]
        }
        {
            [ dup src2>> vreg-immediate-comparand? ]
            [ f >compare-imm ]
        }
        { [ dup diagonal? ] [ rewrite-self-compare ] }
        [ drop f ]
    } cond ;


USING: accessors combinators compiler.cfg.instructions
compiler.cfg.value-numbering.comparisons
compiler.cfg.value-numbering.math
compiler.cfg.value-numbering.rewrite kernel ;

M: ##compare rewrite
    {
        {
            [ dup src1>> vreg-immediate-comparand? ]
            [ t >compare-imm ]
        }
        {
            [ dup src2>> vreg-immediate-comparand? ]
            [ f >compare-imm ]
        }
        { [ dup diagonal? ] [ rewrite-self-compare ] }
        [ drop f ]
    } cond ;


USING: accessors compiler.cfg.instructions
compiler.cfg.ssa.construction.private kernel ;

M: ##compare ssa-rename-insn-defs [ gen-name ] change-dst drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.ssa.construction.private kernel ;

M: ##compare ssa-rename-insn-temps [ ] change-temp drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.ssa.construction.private kernel ;

M: ##compare ssa-rename-insn-uses
    [ top-name ] change-src1 [ top-name ] change-src2 drop ;


USING: compiler.cfg.instructions
compiler.cfg.representations.preferred cpu.architecture kernel ;

M: ##compare temp-vreg-reps drop { int-rep } ;


USING: accessors arrays compiler.cfg.def-use
compiler.cfg.instructions ;

M: ##compare temp-vregs temp>> 1array ;


USING: compiler.cfg.instructions
compiler.cfg.representations.preferred cpu.architecture kernel ;

M: ##compare uses-vreg-reps drop { tagged-rep tagged-rep } ;


USING: accessors arrays compiler.cfg.def-use
compiler.cfg.instructions kernel ;

M: ##compare uses-vregs [ src1>> ] [ src2>> ] bi 2array ;