diff --git a/basis/compiler/cfg/builder/alien/alien.factor b/basis/compiler/cfg/builder/alien/alien.factor
index dca9d01fa9..c3049b8d0f 100644
--- a/basis/compiler/cfg/builder/alien/alien.factor
+++ b/basis/compiler/cfg/builder/alien/alien.factor
@@ -112,7 +112,7 @@ M: #alien-invoke emit-node
             [ caller-stack-frame ]
             [ caller-linkage ]
         } cleave
-        <gc-map> ##alien-invoke
+        <gc-map> <##alien-invoke>
     ]
     [ caller-return ]
     bi ;
@@ -124,7 +124,7 @@ M: #alien-indirect emit-node ( node -- )
         [ caller-parameters ]
         [ prepare-caller-return ]
         [ caller-stack-frame ] tri
-        <gc-map> ##alien-indirect
+        <gc-map> <##alien-indirect>
     ]
     [ caller-return ]
     bi ;
@@ -137,7 +137,7 @@ M: #alien-assembly emit-node
             [ prepare-caller-return ]
             [ caller-stack-frame ]
             [ quot>> ]
-        } cleave <gc-map> ##alien-assembly
+        } cleave <gc-map> <##alien-assembly>
     ]
     [ caller-return ]
     bi ;
@@ -183,7 +183,7 @@ M: #alien-assembly emit-node
     [ last #return? t assert= ] [ but-last emit-nodes ] bi ;
 
 : emit-callback-return ( params -- )
-    basic-block get [ callee-return ##callback-outputs ] [ drop ] if ;
+    basic-block get [ callee-return <##callback-outputs> ] [ drop ] if ;
 
 M: #alien-callback emit-node
     dup params>> xt>> dup
@@ -193,7 +193,7 @@ M: #alien-callback emit-node
         begin-word
 
         {
-            [ params>> callee-parameters ##callback-inputs ]
+            [ params>> callee-parameters <##callback-inputs> ]
             [ params>> box-parameters ]
             [ child>> emit-callback-body ]
             [ params>> emit-callback-return ]
diff --git a/basis/compiler/cfg/builder/alien/boxing/boxing.factor b/basis/compiler/cfg/builder/alien/boxing/boxing.factor
index b336d302f5..0239b7e5db 100644
--- a/basis/compiler/cfg/builder/alien/boxing/boxing.factor
+++ b/basis/compiler/cfg/builder/alien/boxing/boxing.factor
@@ -52,7 +52,7 @@ M: object flatten-struct-type-return
 
 :: implode-struct ( src vregs reps -- )
     vregs reps dup component-offsets
-    [| vreg rep offset | vreg src offset rep f ##store-memory-imm ] 3each ;
+    [| vreg rep offset | vreg src offset rep f <##store-memory-imm> ] 3each ;
 
 GENERIC: unbox ( src c-type -- vregs reps )
 
@@ -75,7 +75,7 @@ M: c-type unbox
     [ drop f f 3array 1array ] 2bi ;
 
 M: long-long-type unbox
-    [ next-vreg next-vreg 2dup ] 2dip unboxer>> ##unbox-long-long 2array
+    [ next-vreg next-vreg 2dup ] 2dip unboxer>> <##unbox-long-long> 2array
     int-rep long-long-on-stack? long-long-odd-register? 3array
     int-rep long-long-on-stack? f 3array 2array ;
 
diff --git a/basis/compiler/cfg/builder/blocks/blocks.factor b/basis/compiler/cfg/builder/blocks/blocks.factor
index a480b2799a..aebc799451 100644
--- a/basis/compiler/cfg/builder/blocks/blocks.factor
+++ b/basis/compiler/cfg/builder/blocks/blocks.factor
@@ -27,9 +27,9 @@ IN: compiler.cfg.builder.blocks
     (begin-basic-block) ;
 
 : emit-trivial-block ( quot -- )
-    ##branch begin-basic-block
+    <##branch> begin-basic-block
     call
-    ##branch begin-basic-block ; inline
+    <##branch> begin-basic-block ; inline
 
 : make-kill-block ( -- )
     basic-block get t >>kill-block? drop ;
@@ -39,7 +39,7 @@ IN: compiler.cfg.builder.blocks
 
 : emit-primitive ( node -- )
     [
-        [ word>> ##call ]
+        [ word>> <##call> ]
         [ call-height adjust-d ] bi
         make-kill-block
     ] emit-trivial-block ;
@@ -49,7 +49,7 @@ IN: compiler.cfg.builder.blocks
 : end-branch ( -- pair/f )
     ! pair is { final-bb final-height }
     basic-block get dup [
-        ##branch
+        <##branch>
         end-local-analysis
         current-height get clone 2array
     ] when ;
diff --git a/basis/compiler/cfg/builder/builder.factor b/basis/compiler/cfg/builder/builder.factor
index 5f933e096b..e820962397 100644
--- a/basis/compiler/cfg/builder/builder.factor
+++ b/basis/compiler/cfg/builder/builder.factor
@@ -57,8 +57,8 @@ GENERIC: emit-node ( node -- )
 
 : begin-word ( -- )
     make-kill-block
-    ##prologue
-    ##branch
+    <##prologue>
+    <##branch>
     begin-basic-block ;
 
 : (build-cfg) ( nodes word label -- )
@@ -75,8 +75,8 @@ GENERIC: emit-node ( node -- )
     ] keep ;
 
 : emit-loop-call ( basic-block -- )
-    ##safepoint
-    ##branch
+    <##safepoint>
+    <##branch>
     basic-block get successors>> push
     end-basic-block ;
 
@@ -85,7 +85,7 @@ GENERIC: emit-node ( node -- )
     [ drop loops get at emit-loop-call ]
     [
         [
-            [ ##call ] [ adjust-d ] bi*
+            [ <##call> ] [ adjust-d ] bi*
             make-kill-block
         ] emit-trivial-block
     ] if ;
@@ -102,7 +102,7 @@ GENERIC: emit-node ( node -- )
     basic-block get swap loops get set-at ;
 
 : emit-loop ( node -- )
-    ##branch
+    <##branch>
     begin-basic-block
     [ label>> id>> remember-loop ] [ child>> emit-nodes ] bi ;
 
@@ -142,7 +142,7 @@ M: #recursive emit-node
 : emit-actual-if ( #if -- )
     ! Inputs to the final instruction need to be copied because of
     ! loc>vreg sync
-    ds-pop any-rep ^^copy f cc/= ##compare-imm-branch emit-if ;
+    ds-pop any-rep ^^copy f cc/= <##compare-imm-branch> emit-if ;
 
 M: #if emit-node
     {
@@ -156,7 +156,7 @@ M: #dispatch emit-node
     ! Inputs to the final instruction need to be copied because of
     ! loc>vreg sync. ^^offset>slot always returns a fresh vreg,
     ! though.
-    ds-pop ^^offset>slot next-vreg ##dispatch emit-if ;
+    ds-pop ^^offset>slot next-vreg <##dispatch> emit-if ;
 
 ! #call
 M: #call emit-node
@@ -200,12 +200,12 @@ M: #shuffle emit-node
 
 ! #return
 : end-word ( -- )
-    ##branch
+    <##branch>
     begin-basic-block
     make-kill-block
-    ##safepoint
-    ##epilogue
-    ##return ;
+    <##safepoint>
+    <##epilogue>
+    <##return> ;
 
 M: #return emit-node drop end-word ;
 
@@ -213,7 +213,7 @@ M: #return-recursive emit-node
     label>> id>> loops get key? [ end-word ] unless ;
 
 ! #terminate
-M: #terminate emit-node drop ##no-tco end-basic-block ;
+M: #terminate emit-node drop <##no-tco> end-basic-block ;
 
 ! No-op nodes
 M: #introduce emit-node drop ;
diff --git a/basis/compiler/cfg/gc-checks/gc-checks.factor b/basis/compiler/cfg/gc-checks/gc-checks.factor
index 8213c577e1..f309db51e3 100644
--- a/basis/compiler/cfg/gc-checks/gc-checks.factor
+++ b/basis/compiler/cfg/gc-checks/gc-checks.factor
@@ -85,7 +85,7 @@ M: ##box-displaced-alien allocation-size* drop 5 cells ;
 
 : <gc-call> ( -- bb )
     <basic-block>
-    [ <gc-map> ##call-gc ##branch ] V{ } make
+    [ <gc-map> <##call-gc> <##branch> ] V{ } make
     >>instructions t >>unlikely? ;
 
 :: connect-gc-checks ( bbs -- )
diff --git a/basis/compiler/cfg/hats/hats.factor b/basis/compiler/cfg/hats/hats.factor
index bed856ab9b..0c4239f826 100644
--- a/basis/compiler/cfg/hats/hats.factor
+++ b/basis/compiler/cfg/hats/hats.factor
@@ -23,7 +23,7 @@ IN: compiler.cfg.hats
                 [ drop [ ] ]
             } case swap [ dip ] curry compose
         ] reduce
-    ] keep suffix ;
+    ] keep insn-ctor-name "compiler.cfg.instructions" lookup-word suffix ;
 
 : hat-effect ( insn -- effect )
     "insn-slots" word-prop
diff --git a/basis/compiler/cfg/instructions/syntax/syntax.factor b/basis/compiler/cfg/instructions/syntax/syntax.factor
index e52b8d5878..c5109908dc 100644
--- a/basis/compiler/cfg/instructions/syntax/syntax.factor
+++ b/basis/compiler/cfg/instructions/syntax/syntax.factor
@@ -71,8 +71,11 @@ TUPLE: insn-slot-spec type name rep ;
 : define-insn-tuple ( class superclass specs -- )
     [ name>> ] map "insn#" suffix define-tuple-class ;
 
+: insn-ctor-name ( word -- name )
+    name>> "<" ">" surround ;
+
 : define-insn-ctor ( class specs -- )
-    [ dup '[ _ ] [ f ] [ boa , ] surround ] dip
+    [ [ insn-ctor-name create-in ] [ '[ _ ] [ f ] [ boa , ] surround ] bi ] dip
     [ name>> ] map { } <effect> define-declared ;
 
 : define-insn ( class superclass specs -- )
diff --git a/basis/compiler/cfg/intrinsics/alien/alien.factor b/basis/compiler/cfg/intrinsics/alien/alien.factor
index 23143b2f86..c58b71cc21 100644
--- a/basis/compiler/cfg/intrinsics/alien/alien.factor
+++ b/basis/compiler/cfg/intrinsics/alien/alien.factor
@@ -61,7 +61,7 @@ IN: compiler.cfg.intrinsics.alien
 
 :: (emit-store-memory) ( node rep c-type prepare-quot test-quot -- )
     node
-    [ prepare-quot call rep c-type ##store-memory-imm ]
+    [ prepare-quot call rep c-type <##store-memory-imm> ]
     [ test-quot call inline-store-memory? ]
     inline-accessor ; inline
 
diff --git a/basis/compiler/cfg/intrinsics/allot/allot.factor b/basis/compiler/cfg/intrinsics/allot/allot.factor
index 72816bde7f..1683144fa2 100644
--- a/basis/compiler/cfg/intrinsics/allot/allot.factor
+++ b/basis/compiler/cfg/intrinsics/allot/allot.factor
@@ -8,13 +8,13 @@ compiler.cfg.utilities compiler.cfg.builder.blocks
 compiler.constants cpu.architecture alien.c-types ;
 IN: compiler.cfg.intrinsics.allot
 
-: ##set-slots ( regs obj class -- )
-    '[ _ swap 1 + _ type-number ##set-slot-imm ] each-index ;
+: <##set-slots> ( regs obj class -- )
+    '[ _ swap 1 + _ type-number <##set-slot-imm> ] each-index ;
 
 : emit-simple-allot ( node -- )
     [ in-d>> length ] [ node-output-infos first class>> ] bi
     [ drop ds-load ] [ [ 1 + cells ] dip ^^allot ] [ nip ] 2tri
-    [ ##set-slots ] [ [ drop ] [ ds-push ] [ drop ] tri* ] 3bi ;
+    [ <##set-slots> ] [ [ drop ] [ ds-push ] [ drop ] tri* ] 3bi ;
 
 : tuple-slot-regs ( layout -- vregs )
     [ second ds-load ] [ ^^load-literal ] bi prefix ;
@@ -28,14 +28,14 @@ IN: compiler.cfg.intrinsics.allot
         nip
         ds-drop
         [ tuple-slot-regs ] [ second ^^allot-tuple ] bi
-        [ tuple ##set-slots ] [ ds-push drop ] 2bi
+        [ tuple <##set-slots> ] [ ds-push drop ] 2bi
     ] [ drop emit-primitive ] if ;
 
 : store-length ( len reg class -- )
-    [ [ ^^load-literal ] dip 1 ] dip type-number ##set-slot-imm ;
+    [ [ ^^load-literal ] dip 1 ] dip type-number <##set-slot-imm> ;
 
 :: store-initial-element ( len reg elt class -- )
-    len [ [ elt reg ] dip 2 + class type-number ##set-slot-imm ] each-integer ;
+    len [ [ elt reg ] dip 2 + class type-number <##set-slot-imm> ] each-integer ;
 
 : expand-<array>? ( obj -- ? )
     dup integer? [ 0 8 between? ] [ drop f ] if ;
@@ -76,7 +76,7 @@ IN: compiler.cfg.intrinsics.allot
     0 ^^load-literal :> elt
     reg ^^tagged>integer :> reg
     len cell align cell /i iota [
-        [ elt reg ] dip cells byte-array-offset + int-rep f ##store-memory-imm
+        [ elt reg ] dip cells byte-array-offset + int-rep f <##store-memory-imm>
     ] each ;
 
 :: emit-<byte-array> ( node -- )
diff --git a/basis/compiler/cfg/intrinsics/fixnum/fixnum.factor b/basis/compiler/cfg/intrinsics/fixnum/fixnum.factor
index 6b87ca8fd6..6de6d51d19 100644
--- a/basis/compiler/cfg/intrinsics/fixnum/fixnum.factor
+++ b/basis/compiler/cfg/intrinsics/fixnum/fixnum.factor
@@ -32,7 +32,7 @@ IN: compiler.cfg.intrinsics.fixnum
     ] binary-op ;
 
 : emit-fixnum-shift-general ( -- )
-    ds-peek 0 cc> ##compare-integer-imm-branch
+    ds-peek 0 cc> <##compare-integer-imm-branch>
     [ emit-fixnum-left-shift ] with-branch
     [ emit-fixnum-right-shift ] with-branch
     2array emit-conditional ;
@@ -52,7 +52,7 @@ IN: compiler.cfg.intrinsics.fixnum
 
 : emit-overflow-case ( word -- final-bb )
     [
-        ##call
+        <##call>
         -1 adjust-d
         make-kill-block
     ] with-branch ;
@@ -77,4 +77,4 @@ IN: compiler.cfg.intrinsics.fixnum
     [ ^^fixnum-sub ] \ fixnum-overflow emit-fixnum-overflow-op ;
 
 : emit-fixnum* ( -- )
-    [ ^^fixnum-mul ] \ fixnum*overflow emit-fixnum-overflow-op ;
\ No newline at end of file
+    [ ^^fixnum-mul ] \ fixnum*overflow emit-fixnum-overflow-op ;
diff --git a/basis/compiler/cfg/intrinsics/misc/misc.factor b/basis/compiler/cfg/intrinsics/misc/misc.factor
index 62bb15f953..fae7bf68de 100644
--- a/basis/compiler/cfg/intrinsics/misc/misc.factor
+++ b/basis/compiler/cfg/intrinsics/misc/misc.factor
@@ -33,7 +33,7 @@ IN: compiler.cfg.intrinsics.misc
 : emit-set-special-object ( node -- )
     dup node-input-infos second literal>> [
         ds-drop
-        [ ds-pop ] dip special-object-offset ##set-vm-field
+        [ ds-pop ] dip special-object-offset <##set-vm-field>
     ] [ emit-primitive ] ?if ;
 
 : context-object-offset ( n -- n )
@@ -60,4 +60,4 @@ IN: compiler.cfg.intrinsics.misc
     if ;
 
 : emit-cleanup-allot ( -- )
-    [ ##no-tco ] emit-trivial-block ;
+    [ <##no-tco> ] emit-trivial-block ;
diff --git a/basis/compiler/cfg/intrinsics/simd/simd.factor b/basis/compiler/cfg/intrinsics/simd/simd.factor
index 9d15feb96f..5054b4f148 100644
--- a/basis/compiler/cfg/intrinsics/simd/simd.factor
+++ b/basis/compiler/cfg/intrinsics/simd/simd.factor
@@ -632,7 +632,7 @@ PREDICATE: fixnum-vector-rep < int-vector-rep
     dup [
         '[
             ds-drop prepare-store-memory
-            _ f ##store-memory-imm
+            _ f <##store-memory-imm>
         ]
         [ byte-array inline-store-memory? ]
         inline-accessor
diff --git a/basis/compiler/cfg/intrinsics/slots/slots.factor b/basis/compiler/cfg/intrinsics/slots/slots.factor
index a3f532b4db..280d060908 100644
--- a/basis/compiler/cfg/intrinsics/slots/slots.factor
+++ b/basis/compiler/cfg/intrinsics/slots/slots.factor
@@ -52,10 +52,10 @@ IN: compiler.cfg.intrinsics.slots
     infos second value-tag :> tag
 
     slot tag slot-indexing :> ( slot scale tag )
-    src obj slot scale tag ##set-slot
+    src obj slot scale tag <##set-slot>
 
     infos emit-write-barrier?
-    [ obj slot scale tag next-vreg next-vreg ##write-barrier ] when ;
+    [ obj slot scale tag next-vreg next-vreg <##write-barrier> ] when ;
 
 :: (emit-set-slot-imm) ( infos -- )
     ds-drop
@@ -65,10 +65,10 @@ IN: compiler.cfg.intrinsics.slots
     infos third literal>> :> slot
     infos second value-tag :> tag
 
-    src obj slot tag ##set-slot-imm
+    src obj slot tag <##set-slot-imm>
 
     infos emit-write-barrier?
-    [ obj slot tag next-vreg next-vreg ##write-barrier-imm ] when ;
+    [ obj slot tag next-vreg next-vreg <##write-barrier-imm> ] when ;
 
 : emit-set-slot ( node -- )
     dup node-input-infos
diff --git a/basis/compiler/cfg/intrinsics/strings/strings.factor b/basis/compiler/cfg/intrinsics/strings/strings.factor
index 70d8442a2b..f8ca02d3d6 100644
--- a/basis/compiler/cfg/intrinsics/strings/strings.factor
+++ b/basis/compiler/cfg/intrinsics/strings/strings.factor
@@ -12,4 +12,4 @@ IN: compiler.cfg.intrinsics.strings
     2inputs (string-nth) ^^load-memory-imm ds-push ;
 
 : emit-set-string-nth-fast ( -- )
-    3inputs (string-nth) ##store-memory-imm ;
+    3inputs (string-nth) <##store-memory-imm> ;
diff --git a/basis/compiler/cfg/linear-scan/assignment/assignment.factor b/basis/compiler/cfg/linear-scan/assignment/assignment.factor
index 96235b6807..12d41704fe 100644
--- a/basis/compiler/cfg/linear-scan/assignment/assignment.factor
+++ b/basis/compiler/cfg/linear-scan/assignment/assignment.factor
@@ -97,7 +97,7 @@ SYMBOL: machine-live-outs
     init-unhandled ;
 
 : insert-spill ( live-interval -- )
-    [ reg>> ] [ spill-rep>> ] [ spill-to>> ] tri ##spill ;
+    [ reg>> ] [ spill-rep>> ] [ spill-to>> ] tri <##spill> ;
 
 : handle-spill ( live-interval -- )
     dup spill-to>> [ insert-spill ] [ drop ] if ;
@@ -117,7 +117,7 @@ SYMBOL: machine-live-outs
     pending-interval-heap get (expire-old-intervals) ;
 
 : insert-reload ( live-interval -- )
-    [ reg>> ] [ reload-rep>> ] [ reload-from>> ] tri ##reload ;
+    [ reg>> ] [ reload-rep>> ] [ reload-from>> ] tri <##reload> ;
 
 : handle-reload ( live-interval -- )
     dup reload-from>> [ insert-reload ] [ drop ] if ;
diff --git a/basis/compiler/cfg/linear-scan/resolve/resolve.factor b/basis/compiler/cfg/linear-scan/resolve/resolve.factor
index 564c2978f5..f659261ecb 100644
--- a/basis/compiler/cfg/linear-scan/resolve/resolve.factor
+++ b/basis/compiler/cfg/linear-scan/resolve/resolve.factor
@@ -60,19 +60,19 @@ SYMBOL: spill-temps
     ] if ;
 
 : memory->register ( from to -- )
-    swap [ reg>> ] [ [ rep>> ] [ reg>> ] bi ] bi* ##reload ;
+    swap [ reg>> ] [ [ rep>> ] [ reg>> ] bi ] bi* <##reload> ;
 
 : register->memory ( from to -- )
-    [ [ reg>> ] [ rep>> ] bi ] [ reg>> ] bi* ##spill ;
+    [ [ reg>> ] [ rep>> ] bi ] [ reg>> ] bi* <##spill> ;
 
 : temp->register ( from to -- )
-    nip [ reg>> ] [ rep>> ] [ rep>> spill-temp ] tri ##reload ;
+    nip [ reg>> ] [ rep>> ] [ rep>> spill-temp ] tri <##reload> ;
 
 : register->temp ( from to -- )
-    drop [ [ reg>> ] [ rep>> ] bi ] [ rep>> spill-temp ] bi ##spill ;
+    drop [ [ reg>> ] [ rep>> ] bi ] [ rep>> spill-temp ] bi <##spill> ;
 
 : register->register ( from to -- )
-    swap [ reg>> ] [ [ reg>> ] [ rep>> ] bi ] bi* ##copy ;
+    swap [ reg>> ] [ [ reg>> ] [ rep>> ] bi ] bi* <##copy> ;
 
 SYMBOL: temp
 
@@ -87,7 +87,7 @@ SYMBOL: temp
 
 : mapping-instructions ( alist -- insns )
     [ swap ] H{ } assoc-map-as
-    [ temp [ swap >insn ] parallel-mapping ##branch ] { } make ;
+    [ temp [ swap >insn ] parallel-mapping <##branch> ] { } make ;
 
 : perform-mappings ( bb to mappings -- )
     dup empty? [ 3drop ] [
diff --git a/basis/compiler/cfg/parallel-copy/parallel-copy.factor b/basis/compiler/cfg/parallel-copy/parallel-copy.factor
index ef4bada633..ee7a3c1889 100644
--- a/basis/compiler/cfg/parallel-copy/parallel-copy.factor
+++ b/basis/compiler/cfg/parallel-copy/parallel-copy.factor
@@ -58,4 +58,4 @@ PRIVATE>
     ] with-scope ; inline
 
 : parallel-copy ( mapping -- )
-    next-vreg [ any-rep ##copy ] parallel-mapping ;
\ No newline at end of file
+    next-vreg [ any-rep <##copy> ] parallel-mapping ;
diff --git a/basis/compiler/cfg/representations/conversion/conversion.factor b/basis/compiler/cfg/representations/conversion/conversion.factor
index b8346fed6a..d3b220e94c 100644
--- a/basis/compiler/cfg/representations/conversion/conversion.factor
+++ b/basis/compiler/cfg/representations/conversion/conversion.factor
@@ -11,73 +11,73 @@ GENERIC: rep>tagged ( dst src rep -- )
 GENERIC: tagged>rep ( dst src rep -- )
 
 M: int-rep rep>tagged ( dst src rep -- )
-    drop tag-bits get ##shl-imm ;
+    drop tag-bits get <##shl-imm> ;
 
 M: int-rep tagged>rep ( dst src rep -- )
-    drop tag-bits get ##sar-imm ;
+    drop tag-bits get <##sar-imm> ;
 
 M:: float-rep rep>tagged ( dst src rep -- )
     double-rep next-vreg-rep :> temp
-    temp src ##single>double-float
+    temp src <##single>double-float>
     dst temp double-rep rep>tagged ;
 
 M:: float-rep tagged>rep ( dst src rep -- )
     double-rep next-vreg-rep :> temp
     temp src double-rep tagged>rep
-    dst temp ##double>single-float ;
+    dst temp <##double>single-float> ;
 
 M:: double-rep rep>tagged ( dst src rep -- )
-    dst 16 float int-rep next-vreg-rep ##allot
-    src dst float-offset double-rep f ##store-memory-imm ;
+    dst 16 float int-rep next-vreg-rep <##allot>
+    src dst float-offset double-rep f <##store-memory-imm> ;
 
 M: double-rep tagged>rep
-    drop float-offset double-rep f ##load-memory-imm ;
+    drop float-offset double-rep f <##load-memory-imm> ;
 
 M:: vector-rep rep>tagged ( dst src rep -- )
     tagged-rep next-vreg-rep :> temp
-    dst 16 2 cells + byte-array int-rep next-vreg-rep ##allot
-    temp 16 tag-fixnum ##load-tagged
-    temp dst 1 byte-array type-number ##set-slot-imm
-    src dst byte-array-offset rep f ##store-memory-imm ;
+    dst 16 2 cells + byte-array int-rep next-vreg-rep <##allot>
+    temp 16 tag-fixnum <##load-tagged>
+    temp dst 1 byte-array type-number <##set-slot-imm>
+    src dst byte-array-offset rep f <##store-memory-imm> ;
 
 M: vector-rep tagged>rep
-    [ byte-array-offset ] dip f ##load-memory-imm ;
+    [ byte-array-offset ] dip f <##load-memory-imm> ;
 
 M:: scalar-rep rep>tagged ( dst src rep -- )
     tagged-rep next-vreg-rep :> temp
-    temp src rep ##scalar>integer
+    temp src rep <##scalar>integer>
     dst temp int-rep rep>tagged ;
 
 M:: scalar-rep tagged>rep ( dst src rep -- )
     tagged-rep next-vreg-rep :> temp
     temp src int-rep tagged>rep
-    dst temp rep ##integer>scalar ;
+    dst temp rep <##integer>scalar> ;
 
 GENERIC: rep>int ( dst src rep -- )
 GENERIC: int>rep ( dst src rep -- )
 
 M: scalar-rep rep>int ( dst src rep -- )
-    ##scalar>integer ;
+    <##scalar>integer> ;
 
 M: scalar-rep int>rep ( dst src rep -- )
-    ##integer>scalar ;
+    <##integer>scalar> ;
 
 : emit-conversion ( dst src dst-rep src-rep -- )
     {
-        { [ 2dup eq? ] [ drop ##copy ] }
+        { [ 2dup eq? ] [ drop <##copy> ] }
         { [ dup tagged-rep? ] [ drop tagged>rep ] }
         { [ over tagged-rep? ] [ nip rep>tagged ] }
         { [ dup int-rep? ] [ drop int>rep ] }
         { [ over int-rep? ] [ nip rep>int ] }
         [
             2dup 2array {
-                { { double-rep float-rep } [ 2drop ##single>double-float ] }
-                { { float-rep double-rep } [ 2drop ##double>single-float ] }
+                { { double-rep float-rep } [ 2drop <##single>double-float> ] }
+                { { float-rep double-rep } [ 2drop <##double>single-float> ] }
                 ! Punning SIMD vector types? Naughty naughty! But
                 ! it is allowed... otherwise bail out.
                 [
                     drop 2dup [ reg-class-of ] bi@ eq?
-                    [ drop ##copy ] [ bad-conversion ] if
+                    [ drop <##copy> ] [ bad-conversion ] if
                 ]
             } case
         ]
diff --git a/basis/compiler/cfg/representations/peephole/peephole.factor b/basis/compiler/cfg/representations/peephole/peephole.factor
index d86259971f..1db344f848 100644
--- a/basis/compiler/cfg/representations/peephole/peephole.factor
+++ b/basis/compiler/cfg/representations/peephole/peephole.factor
@@ -37,7 +37,7 @@ M: ##load-integer optimize-insn
     {
         {
             [ dup dst>> rep-of tagged-rep? ]
-            [ [ dst>> ] [ val>> tag-fixnum ] bi ##load-tagged here ]
+            [ [ dst>> ] [ val>> tag-fixnum ] bi <##load-tagged> here ]
         }
         [ call-next-method ]
     } cond ;
@@ -84,23 +84,23 @@ M: ##load-reference optimize-insn
     {
         {
             [ dup convert-to-load-float? ]
-            [ [ dst>> ] [ obj>> ] bi ##load-float here ]
+            [ [ dst>> ] [ obj>> ] bi <##load-float> here ]
         }
         {
             [ dup convert-to-load-double? ]
-            [ [ dst>> ] [ obj>> ] bi ##load-double here ]
+            [ [ dst>> ] [ obj>> ] bi <##load-double> here ]
         }
         {
             [ dup convert-to-zero-vector? ]
-            [ dst>> dup rep-of ##zero-vector here ]
+            [ dst>> dup rep-of <##zero-vector> here ]
         }
         {
             [ dup convert-to-fill-vector? ]
-            [ dst>> dup rep-of ##fill-vector here ]
+            [ dst>> dup rep-of <##fill-vector> here ]
         }
         {
             [ dup convert-to-load-vector? ]
-            [ [ dst>> ] [ obj>> ] [ dst>> rep-of ] tri ##load-vector here ]
+            [ [ dst>> ] [ obj>> ] [ dst>> rep-of ] tri <##load-vector> here ]
         }
         [ call-next-method ]
     } cond ;
@@ -113,9 +113,9 @@ M: ##load-reference optimize-insn
 ! ##sar-imm by tag-bits - X.
 : combine-shl-imm-input ( insn -- )
     [ dst>> ] [ src1>> ] [ src2>> ] tri tag-bits get {
-        { [ 2dup < ] [ swap - ##sar-imm here ] }
-        { [ 2dup > ] [ - ##shl-imm here ] }
-        [ 2drop int-rep ##copy here ]
+        { [ 2dup < ] [ swap - <##sar-imm> here ] }
+        { [ 2dup > ] [ - <##shl-imm> here ] }
+        [ 2drop int-rep <##copy> here ]
     } cond ;
 
 : dst-tagged? ( insn -- ? ) dst>> rep-of tagged-rep? ;
@@ -260,7 +260,7 @@ M: ##test-branch optimize-insn
     [ dst>> ] [ src>> ] bi [ rep-of tagged-rep? ] both? ;
 
 : combine-neg-tag ( insn -- )
-    [ dst>> ] [ src>> ] bi tag-bits get 2^ neg ##mul-imm here ;
+    [ dst>> ] [ src>> ] bi tag-bits get 2^ neg <##mul-imm> here ;
 
 M: ##neg optimize-insn
     {
@@ -276,8 +276,8 @@ M: ##neg optimize-insn
 ! tag(not(untag(x))) = not(x) xor tag-mask
 :: emit-tagged-not ( insn -- )
     tagged-rep next-vreg-rep :> temp
-    temp insn src>> ##not
-    insn dst>> temp tag-mask get ##xor-imm here ;
+    temp insn src>> <##not>
+    insn dst>> temp tag-mask get <##xor-imm> here ;
 
 M: ##not optimize-insn
     {
diff --git a/basis/compiler/cfg/ssa/cssa/cssa.factor b/basis/compiler/cfg/ssa/cssa/cssa.factor
index ed2046bdaa..b42f0c7051 100644
--- a/basis/compiler/cfg/ssa/cssa/cssa.factor
+++ b/basis/compiler/cfg/ssa/cssa/cssa.factor
@@ -23,7 +23,7 @@ IN: compiler.cfg.ssa.cssa
 :: insert-copy ( bb src rep -- bb dst )
     bb src insert-copy? [
         rep next-vreg-rep :> dst
-        bb [ dst src rep ##copy ] add-instructions
+        bb [ dst src rep <##copy> ] add-instructions
         bb dst
     ] [ bb src ] if ;
 
@@ -31,4 +31,4 @@ IN: compiler.cfg.ssa.cssa
     dup dst>> rep-of '[ [ _ insert-copy ] assoc-map ] change-inputs drop ;
 
 : construct-cssa ( cfg -- )
-    [ [ convert-phi ] each-phi ] each-basic-block ;
\ No newline at end of file
+    [ [ convert-phi ] each-phi ] each-basic-block ;
diff --git a/basis/compiler/cfg/stacks/finalize/finalize.factor b/basis/compiler/cfg/stacks/finalize/finalize.factor
index a35d82bbb5..230995f039 100644
--- a/basis/compiler/cfg/stacks/finalize/finalize.factor
+++ b/basis/compiler/cfg/stacks/finalize/finalize.factor
@@ -34,17 +34,17 @@ ERROR: bad-peek dst loc ;
 
 : insert-peeks ( from to -- )
     [ inserting-peeks ] keep
-    [ dup n>> 0 < [ bad-peek ] [ ##peek ] if ] each-insertion ;
+    [ dup n>> 0 < [ bad-peek ] [ <##peek> ] if ] each-insertion ;
 
 : insert-replaces ( from to -- )
     [ inserting-replaces ] keep
-    [ dup n>> 0 < [ 2drop ] [ ##replace ] if ] each-insertion ;
+    [ dup n>> 0 < [ 2drop ] [ <##replace> ] if ] each-insertion ;
 
 : visit-edge ( from to -- )
     ! If both blocks are subroutine calls, don't bother
     ! computing anything.
     2dup [ kill-block?>> ] both? [ 2drop ] [
-        2dup [ [ insert-replaces ] [ insert-peeks ] 2bi ##branch ] V{ } make
+        2dup [ [ insert-replaces ] [ insert-peeks ] 2bi <##branch> ] V{ } make
         [ 2drop ] [ insert-basic-block ] if-empty
     ] if ;
 
diff --git a/basis/compiler/cfg/stacks/local/local.factor b/basis/compiler/cfg/stacks/local/local.factor
index 95feb4c034..508a91cb68 100644
--- a/basis/compiler/cfg/stacks/local/local.factor
+++ b/basis/compiler/cfg/stacks/local/local.factor
@@ -45,8 +45,8 @@ M: rs-loc translate-local-loc n>> current-height get r>> - <rs-loc> ;
 
 : emit-height-changes ( -- )
     current-height get
-    [ emit-d>> dup 0 = [ drop ] [ ##inc-d ] if ]
-    [ emit-r>> dup 0 = [ drop ] [ ##inc-r ] if ] bi ;
+    [ emit-d>> dup 0 = [ drop ] [ <##inc-d> ] if ]
+    [ emit-r>> dup 0 = [ drop ] [ <##inc-r> ] if ] bi ;
 
 : emit-changes ( -- )
     ! Insert height and stack changes prior to the last instruction
diff --git a/basis/compiler/cfg/value-numbering/alien/alien.factor b/basis/compiler/cfg/value-numbering/alien/alien.factor
index 58674602d9..5695aff0d2 100644
--- a/basis/compiler/cfg/value-numbering/alien/alien.factor
+++ b/basis/compiler/cfg/value-numbering/alien/alien.factor
@@ -31,7 +31,7 @@ M: ##box-displaced-alien rewrite
         [ dst>> ]
         [ [ base>> ] [ base-class>> ] [ displacement>> ] tri ] bi*
         [ ^^unbox-c-ptr ] dip
-        ##add
+        <##add>
     ] { } make ;
 
 : rewrite-unbox-any-c-ptr ( insn -- insn/f )
diff --git a/basis/compiler/cfg/value-numbering/math/math.factor b/basis/compiler/cfg/value-numbering/math/math.factor
index c2f63692ac..1fb37f8705 100644
--- a/basis/compiler/cfg/value-numbering/math/math.factor
+++ b/basis/compiler/cfg/value-numbering/math/math.factor
@@ -136,8 +136,8 @@ M: ##mul-imm rewrite
         { [ dup mul-to-neg? ] [ mul-to-neg ] }
         { [ dup mul-to-shl? ] [ mul-to-shl ] }
         { [ dup src1>> vreg>insn ##mul-imm? ] [ \ ##mul-imm reassociate-arithmetic ] }
-        { [ dup distribute-over-add? ] [ \ ##add-imm \ ##mul-imm distribute ] }
-        { [ dup distribute-over-sub? ] [ \ ##sub-imm \ ##mul-imm distribute ] }
+        { [ dup distribute-over-add? ] [ \ <##add-imm> \ <##mul-imm> distribute ] }
+        { [ dup distribute-over-sub? ] [ \ <##sub-imm> \ <##mul-imm> distribute ] }
         [ drop f ]
     } cond ;
 
@@ -173,8 +173,8 @@ M: ##shl-imm rewrite
         { [ dup src2>> 0 = ] [ identity ] }
         { [ dup binary-constant-fold? ] [ binary-constant-fold ] }
         { [ dup src1>> vreg>insn ##shl-imm? ] [ \ ##shl-imm reassociate-shift ] }
-        { [ dup distribute-over-add? ] [ \ ##add-imm \ ##shl-imm distribute ] }
-        { [ dup distribute-over-sub? ] [ \ ##sub-imm \ ##shl-imm distribute ] }
+        { [ dup distribute-over-add? ] [ \ <##add-imm> \ <##shl-imm> distribute ] }
+        { [ dup distribute-over-sub? ] [ \ <##sub-imm> \ <##shl-imm> distribute ] }
         [ drop f ]
     } cond ;