layouts: Add 32bit? and 64bit? words.

basis/compiler/tree/cleanup/cleanup-tests.factor

@@ -225,7 +225,7 @@ M: float detect-float ;
     { shift fixnum-shift } inlined?
 ] unit-test
 
-cell-bits 32 = [
+32bit? [
     [ t ] [
         [ { fixnum fixnum } declare 1 swap 31 bitand shift ]
         \ shift inlined?

basis/compiler/tree/propagation/propagation-tests.factor

@@ -492,7 +492,7 @@ IN: compiler.tree.propagation.tests
     [ { fixnum } declare 1 swap 7 bitand >bignum shift ] final-classes
 ] unit-test
 
-cell-bits 32 = [
+32bit? [
     [ V{ integer } ] [
         [ { fixnum } declare 1 swap 31 bitand shift ]
         final-classes

core/layouts/layouts.factor

@@ -48,6 +48,10 @@ SYMBOL: header-bits
 
 : cell-bits ( -- n ) 8 cells ; inline
 
+: 32bit? ( -- ? ) cell-bits 32 = ; inline
+
+: 64bit? ( -- ? ) cell-bits 64 = ; inline
+
 : bootstrap-cell ( -- n ) \ cell get cell or ; inline
 
 : bootstrap-cells ( m -- n ) bootstrap-cell * ; inline