Remove obsolete comment

db4
Slava Pestov 2009-04-30 19:47:08 -05:00
parent 742d574162
commit b20ed595c4
1 changed files with 1 additions and 6 deletions

View File

@ -27,12 +27,7 @@ generated.
4) When preceded by a quotation, calls to 'dip', '2dip' and '3dip' are 4) When preceded by a quotation, calls to 'dip', '2dip' and '3dip' are
open-coded as retain stack manipulation surrounding a subroutine call. open-coded as retain stack manipulation surrounding a subroutine call.
5) When preceded by an array, calls to the 'declare' word are optimized out 5) Sub-primitives are primitive words which are implemented in assembly and not
entirely. This word is only used by the optimizing compiler, and with the
non-optimizing compiler it would otherwise just decrease performance to have to
push the array and immediately drop it after.
6) Sub-primitives are primitive words which are implemented in assembly and not
in the VM. They are open-coded and no subroutine call is generated. This in the VM. They are open-coded and no subroutine call is generated. This
includes stack shufflers, some fixnum arithmetic words, and words such as tag, includes stack shufflers, some fixnum arithmetic words, and words such as tag,
slot and eq?. A primitive call is relatively expensive (two subroutine calls) slot and eq?. A primitive call is relatively expensive (two subroutine calls)