777 lines
14 KiB
Factor
777 lines
14 KiB
Factor
USING: accessors compiler.cfg compiler.cfg.debugger
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compiler.cfg.instructions compiler.cfg.registers
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compiler.cfg.representations.preferred cpu.architecture kernel
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namespaces tools.test sequences arrays system literals layouts
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math compiler.constants compiler.cfg.representations.conversion
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compiler.cfg.representations.rewrite
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compiler.cfg.comparisons
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make ;
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IN: compiler.cfg.representations
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[ { double-rep double-rep } ] [
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T{ ##add-float
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{ dst 5 }
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{ src1 3 }
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{ src2 4 }
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} uses-vreg-reps
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] unit-test
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[ { double-rep } ] [
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T{ ##load-memory-imm
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{ dst 5 }
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{ base 3 }
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{ offset 0 }
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{ rep double-rep }
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} defs-vreg-reps
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] unit-test
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H{ } clone representations set
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3 \ vreg-counter set-global
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[
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{
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T{ ##allot f 2 16 float 4 }
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T{ ##store-memory-imm f 1 2 $[ float-offset ] double-rep f }
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}
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] [
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[
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2 1 tagged-rep double-rep emit-conversion
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] { } make
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] unit-test
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[
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{
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T{ ##load-memory-imm f 2 1 $[ float-offset ] double-rep f }
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}
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] [
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[
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2 1 double-rep tagged-rep emit-conversion
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] { } make
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] unit-test
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: test-representations ( -- )
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cfg new 0 get >>entry dup cfg set select-representations drop ;
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! Make sure cost calculation isn't completely wrong
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##peek f 2 D 1 }
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T{ ##add-float f 3 1 2 }
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T{ ##replace f 3 D 0 }
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T{ ##replace f 3 D 1 }
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T{ ##replace f 3 D 2 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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0 1 edge
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1 2 edge
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[ ] [ test-representations ] unit-test
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[ 1 ] [ 1 get instructions>> [ ##allot? ] count ] unit-test
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! Don't dereference the result of a peek
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##add-float f 2 1 1 }
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T{ ##replace f 2 D 0 }
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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V{
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T{ ##add-float f 3 1 1 }
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T{ ##replace f 3 D 0 }
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T{ ##epilogue }
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T{ ##return }
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} 3 test-bb
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0 1 edge
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1 { 2 3 } edges
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[ ] [ test-representations ] unit-test
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##branch }
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}
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] [ 1 get instructions>> ] unit-test
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! We cannot untag-fixnum the result of a peek if there are usages
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! of it as a tagged-rep
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##replace f 1 R 0 }
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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V{
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T{ ##mul f 2 1 1 }
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T{ ##replace f 2 D 0 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 4 test-bb
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0 1 edge
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1 { 2 3 } edges
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3 { 3 4 } edges
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2 4 edge
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[ ] [ test-representations ] unit-test
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##branch }
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}
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] [ 1 get instructions>> ] unit-test
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! But its ok to untag-fixnum the result of a peek if all usages use
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! it as int-rep
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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V{
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T{ ##add f 2 1 1 }
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T{ ##mul f 3 1 1 }
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T{ ##replace f 2 D 0 }
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T{ ##replace f 3 D 1 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 4 test-bb
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0 1 edge
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1 { 2 3 } edges
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3 { 3 4 } edges
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2 4 edge
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3 \ vreg-counter set-global
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[ ] [ test-representations ] unit-test
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[
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V{
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T{ ##peek f 4 D 0 }
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T{ ##sar-imm f 1 4 $[ tag-bits get ] }
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T{ ##branch }
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}
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] [ 1 get instructions>> ] unit-test
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! scalar-rep => int-rep conversion
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##peek f 2 D 0 }
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T{ ##vector>scalar f 3 2 int-4-rep }
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T{ ##replace f 3 D 0 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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0 1 edge
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1 2 edge
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[ ] [ test-representations ] unit-test
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[ t ] [ 1 get instructions>> 4 swap nth ##scalar>integer? ] unit-test
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! Test phi node behavior
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##load-integer f 1 1 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##load-integer f 2 2 }
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T{ ##branch }
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} 2 test-bb
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V{
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T{ ##phi f 3 H{ { 1 1 } { 2 2 } } }
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T{ ##replace f 3 D 0 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 4 test-bb
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0 { 1 2 } edges
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1 3 edge
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2 3 edge
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3 4 edge
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[ ] [ test-representations ] unit-test
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[ T{ ##load-tagged f 1 $[ 1 tag-fixnum ] } ]
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[ 1 get instructions>> first ]
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unit-test
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[ T{ ##load-tagged f 2 $[ 2 tag-fixnum ] } ]
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[ 2 get instructions>> first ]
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unit-test
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! ##load-reference corner case
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 0 D 0 }
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T{ ##peek f 1 D 1 }
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T{ ##add f 2 0 1 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##load-reference f 3 f }
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T{ ##branch }
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} 2 test-bb
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V{
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T{ ##phi f 4 H{ { 1 2 } { 2 3 } } }
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T{ ##replace f 4 D 0 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 4 test-bb
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0 { 1 2 } edges
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1 3 edge
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2 3 edge
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3 4 edge
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[ ] [ test-representations ] unit-test
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! Don't untag the f!
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[ 2 ] [ 2 get instructions>> length ] unit-test
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cpu x86.32? [
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! Make sure load-constant is converted into load-double
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##load-reference f 2 0.5 }
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T{ ##add-float f 3 1 2 }
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T{ ##replace f 3 D 0 }
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T{ ##branch }
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} 1 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 2 test-bb
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0 1 edge
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1 2 edge
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[ ] [ test-representations ] unit-test
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[ t ] [ 1 get instructions>> second ##load-double? ] unit-test
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! Make sure phi nodes are handled in a sane way
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V{
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T{ ##prologue }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f 1 D 0 }
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T{ ##compare-imm-branch f 1 2 cc= }
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} 1 test-bb
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V{
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T{ ##load-reference f 2 1.5 }
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T{ ##branch }
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} 2 test-bb
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V{
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T{ ##load-reference f 3 2.5 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##phi f 4 H{ { 2 2 } { 3 3 } } }
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T{ ##peek f 5 D 0 }
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T{ ##add-float f 6 4 5 }
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T{ ##replace f 6 D 0 }
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} 4 test-bb
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V{
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T{ ##epilogue }
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T{ ##return }
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} 5 test-bb
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test-diamond
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4 5 edge
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[ ] [ test-representations ] unit-test
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[ t ] [ 2 get instructions>> first ##load-double? ] unit-test
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[ t ] [ 3 get instructions>> first ##load-double? ] unit-test
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[ t ] [ 4 get instructions>> first ##phi? ] unit-test
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] when
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: test-peephole ( insns -- insns )
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0 test-bb
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test-representations
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0 get instructions>> ;
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! Don't convert the def site into anything but tagged-rep since
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! we might lose precision
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5 \ vreg-counter set-global
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[ f ] [
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V{
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T{ ##peek f 0 D 0 }
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T{ ##peek f 1 D 1 }
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T{ ##tagged>integer f 2 1 }
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T{ ##add-float f 3 0 0 }
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T{ ##store-memory-imm f 3 2 0 float-rep f }
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T{ ##store-memory-imm f 3 2 4 float-rep f }
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T{ ##mul-float f 4 0 0 }
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T{ ##replace f 4 D 0 }
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} test-peephole
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[ ##single>double-float? ] any?
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] unit-test
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! Converting a ##load-integer into a ##load-tagged
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[
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V{
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T{ ##load-tagged f 1 $[ 100 tag-fixnum ] }
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T{ ##replace f 1 D 0 }
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}
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] [
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V{
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T{ ##load-integer f 1 100 }
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T{ ##replace f 1 D 0 }
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} test-peephole
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] unit-test
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! Peephole optimization if input to ##shl-imm is tagged
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3 \ vreg-counter set-global
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##sar-imm f 2 1 1 }
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T{ ##add f 4 2 2 }
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T{ ##shl-imm f 3 4 $[ tag-bits get ] }
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T{ ##replace f 3 D 0 }
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}
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] [
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V{
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T{ ##peek f 1 D 0 }
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T{ ##shl-imm f 2 1 3 }
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T{ ##add f 3 2 2 }
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T{ ##replace f 3 D 0 }
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} test-peephole
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] unit-test
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3 \ vreg-counter set-global
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##shl-imm f 2 1 $[ 10 tag-bits get - ] }
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T{ ##add f 4 2 2 }
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T{ ##shl-imm f 3 4 $[ tag-bits get ] }
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T{ ##replace f 3 D 0 }
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}
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] [
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V{
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T{ ##peek f 1 D 0 }
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T{ ##shl-imm f 2 1 10 }
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T{ ##add f 3 2 2 }
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T{ ##replace f 3 D 0 }
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} test-peephole
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] unit-test
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##copy f 2 1 int-rep }
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T{ ##add f 5 2 2 }
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T{ ##shl-imm f 3 5 $[ tag-bits get ] }
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T{ ##replace f 3 D 0 }
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}
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] [
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V{
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T{ ##peek f 1 D 0 }
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T{ ##shl-imm f 2 1 $[ tag-bits get ] }
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T{ ##add f 3 2 2 }
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T{ ##replace f 3 D 0 }
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} test-peephole
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] unit-test
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! Peephole optimization if output of ##shl-imm needs to be tagged
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[
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V{
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T{ ##load-integer f 1 100 }
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T{ ##shl-imm f 2 1 $[ 3 tag-bits get + ] }
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T{ ##replace f 2 D 0 }
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}
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] [
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V{
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T{ ##load-integer f 1 100 }
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T{ ##shl-imm f 2 1 3 }
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T{ ##replace f 2 D 0 }
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} test-peephole
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] unit-test
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! Peephole optimization if both input and output of ##shl-imm
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! needs to be tagged
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[
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V{
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T{ ##peek f 0 D 0 }
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T{ ##shl-imm f 1 0 3 }
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T{ ##replace f 1 D 0 }
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}
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] [
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V{
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T{ ##peek f 0 D 0 }
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T{ ##shl-imm f 1 0 3 }
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T{ ##replace f 1 D 0 }
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} test-peephole
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] unit-test
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6 \ vreg-counter set-global
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! Peephole optimization if input to ##sar-imm is tagged
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##sar-imm f 7 1 $[ 3 tag-bits get + ] }
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T{ ##shl-imm f 2 7 $[ tag-bits get ] }
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T{ ##replace f 2 D 0 }
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}
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] [
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V{
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T{ ##peek f 1 D 0 }
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T{ ##sar-imm f 2 1 3 }
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T{ ##replace f 2 D 0 }
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} test-peephole
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] unit-test
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! Tag/untag elimination
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[
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V{
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T{ ##peek f 1 D 0 }
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T{ ##add-imm f 2 1 $[ 100 tag-fixnum ] }
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T{ ##replace f 2 D 0 }
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}
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] [
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V{
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T{ ##peek f 1 D 0 }
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T{ ##add-imm f 2 1 100 }
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T{ ##replace f 2 D 0 }
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} test-peephole
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] unit-test
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[
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V{
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T{ ##peek f 0 D 0 }
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T{ ##peek f 1 D 1 }
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T{ ##add f 2 0 1 }
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T{ ##replace f 2 D 0 }
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}
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] [
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V{
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T{ ##peek f 0 D 0 }
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T{ ##peek f 1 D 1 }
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T{ ##add f 2 0 1 }
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T{ ##replace f 2 D 0 }
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} test-peephole
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] unit-test
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! Make sure we don't exceed immediate bounds
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cpu x86.64? [
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4 \ vreg-counter set-global
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[
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V{
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T{ ##peek f 0 D 0 }
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T{ ##sar-imm f 5 0 $[ tag-bits get ] }
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T{ ##add-imm f 6 5 $[ 30 2^ ] }
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T{ ##shl-imm f 2 6 $[ tag-bits get ] }
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T{ ##replace f 2 D 0 }
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}
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] [
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V{
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T{ ##peek f 0 D 0 }
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T{ ##add-imm f 2 0 $[ 30 2^ ] }
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T{ ##replace f 2 D 0 }
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} test-peephole
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] unit-test
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[
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V{
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T{ ##load-integer f 0 100 }
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T{ ##mul-imm f 7 0 $[ 30 2^ ] }
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T{ ##shl-imm f 1 7 $[ tag-bits get ] }
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T{ ##replace f 1 D 0 }
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}
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] [
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V{
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T{ ##load-integer f 0 100 }
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T{ ##mul-imm f 1 0 $[ 30 2^ ] }
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T{ ##replace f 1 D 0 }
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} test-peephole
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] unit-test
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] when
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! Tag/untag elimination for ##mul-imm
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[
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V{
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T{ ##peek f 0 D 0 }
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T{ ##mul-imm f 1 0 100 }
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T{ ##replace f 1 D 0 }
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}
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] [
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V{
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|
T{ ##peek f 0 D 0 }
|
|
T{ ##mul-imm f 1 0 100 }
|
|
T{ ##replace f 1 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
4 \ vreg-counter set-global
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##sar-imm f 5 1 $[ tag-bits get ] }
|
|
T{ ##add-imm f 2 5 30 }
|
|
T{ ##mul-imm f 3 2 $[ 100 tag-fixnum ] }
|
|
T{ ##replace f 3 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##add-imm f 2 1 30 }
|
|
T{ ##mul-imm f 3 2 100 }
|
|
T{ ##replace f 3 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
! Tag/untag elimination for ##compare-integer and ##test
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test f 2 0 1 cc= }
|
|
T{ ##replace f 2 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test f 2 0 1 cc= }
|
|
T{ ##replace f 2 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer f 2 0 1 cc= }
|
|
T{ ##replace f 2 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer f 2 0 1 cc= }
|
|
T{ ##replace f 2 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer-branch f 0 1 cc= }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer-branch f 0 1 cc= }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test-branch f 0 1 cc= }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test-branch f 0 1 cc= }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer-imm-branch f 0 $[ 10 tag-fixnum ] cc= }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##compare-integer-imm-branch f 0 10 cc= }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test-imm-branch f 0 $[ 10 tag-fixnum ] cc= }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##test-imm-branch f 0 10 cc= }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
! Tag/untag elimination for ##neg
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##neg f 1 0 }
|
|
T{ ##replace f 1 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##neg f 1 0 }
|
|
T{ ##replace f 1 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
4 \ vreg-counter set-global
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 5 D 0 }
|
|
T{ ##sar-imm f 0 5 $[ tag-bits get ] }
|
|
T{ ##peek f 6 D 1 }
|
|
T{ ##sar-imm f 1 6 $[ tag-bits get ] }
|
|
T{ ##mul f 2 0 1 }
|
|
T{ ##mul-imm f 3 2 -16 }
|
|
T{ ##replace f 3 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##peek f 1 D 1 }
|
|
T{ ##mul f 2 0 1 }
|
|
T{ ##neg f 3 2 }
|
|
T{ ##replace f 3 D 0 }
|
|
} test-peephole
|
|
] unit-test
|
|
|
|
! Tag/untag elimination for ##not
|
|
2 \ vreg-counter set-global
|
|
|
|
[
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##not f 3 0 }
|
|
T{ ##xor-imm f 1 3 $[ tag-mask get ] }
|
|
T{ ##replace f 1 D 0 }
|
|
}
|
|
] [
|
|
V{
|
|
T{ ##peek f 0 D 0 }
|
|
T{ ##not f 1 0 }
|
|
T{ ##replace f 1 D 0 }
|
|
} test-peephole
|
|
] unit-test |