Reserve an extra tag bit for the coming optimizations
| author |
Steve Losh <steve@stevelosh.com> |
| date |
Tue, 10 May 2016 19:33:09 +0000 |
| parents |
1ab41e0128dc |
| children |
27f037427ad3 |
(in-package #:bones.wam)
;;;; Opcodes
(defun* instruction-size ((opcode opcode))
(:returns (integer 1 3))
"Return the size of an instruction for the given opcode.
The size includes one word for the opcode itself and one for each argument.
"
(eswitch (opcode)
(+opcode-noop+ 1)
(+opcode-get-structure-local+ 3)
(+opcode-unify-variable-local+ 2)
(+opcode-unify-variable-stack+ 2)
(+opcode-unify-value-local+ 2)
(+opcode-unify-value-stack+ 2)
(+opcode-get-variable-local+ 3)
(+opcode-get-variable-stack+ 3)
(+opcode-get-value-local+ 3)
(+opcode-get-value-stack+ 3)
(+opcode-put-structure-local+ 3)
(+opcode-set-variable-local+ 2)
(+opcode-set-variable-stack+ 2)
(+opcode-set-value-local+ 2)
(+opcode-set-value-stack+ 2)
(+opcode-put-variable-local+ 3)
(+opcode-put-variable-stack+ 3)
(+opcode-put-value-local+ 3)
(+opcode-put-value-stack+ 3)
(+opcode-call+ 2)
(+opcode-proceed+ 1)
(+opcode-allocate+ 2)
(+opcode-deallocate+ 1)
(+opcode-done+ 1)
(+opcode-try+ 2)
(+opcode-retry+ 2)
(+opcode-trust+ 1)))
(defun* opcode-name ((opcode opcode))
(:returns string)
(eswitch (opcode)
(+opcode-noop+ "NOOP")
(+opcode-get-structure-local+ "GET-STRUCTURE")
(+opcode-unify-variable-local+ "UNIFY-VARIABLE")
(+opcode-unify-variable-stack+ "UNIFY-VARIABLE")
(+opcode-unify-value-local+ "UNIFY-VALUE")
(+opcode-unify-value-stack+ "UNIFY-VALUE")
(+opcode-get-variable-local+ "GET-VARIABLE")
(+opcode-get-variable-stack+ "GET-VARIABLE")
(+opcode-get-value-local+ "GET-VALUE")
(+opcode-get-value-stack+ "GET-VALUE")
(+opcode-put-structure-local+ "PUT-STRUCTURE")
(+opcode-set-variable-local+ "SET-VARIABLE")
(+opcode-set-variable-stack+ "SET-VARIABLE")
(+opcode-set-value-local+ "SET-VALUE")
(+opcode-set-value-stack+ "SET-VALUE")
(+opcode-put-variable-local+ "PUT-VARIABLE")
(+opcode-put-variable-stack+ "PUT-VARIABLE")
(+opcode-put-value-local+ "PUT-VALUE")
(+opcode-put-value-stack+ "PUT-VALUE")
(+opcode-call+ "CALL")
(+opcode-proceed+ "PROCEED")
(+opcode-allocate+ "ALLOCATE")
(+opcode-deallocate+ "DEALLOCATE")
(+opcode-done+ "DONE")
(+opcode-try+ "TRY")
(+opcode-retry+ "RETRY")
(+opcode-trust+ "TRUST")))
(defun* opcode-short-name ((opcode opcode))
(:returns string)
(eswitch (opcode)
(+opcode-noop+ "NOOP")
(+opcode-get-structure-local+ "GETS")
(+opcode-unify-variable-local+ "UVAR")
(+opcode-unify-variable-stack+ "UVAR")
(+opcode-unify-value-local+ "UVLU")
(+opcode-unify-value-stack+ "UVLU")
(+opcode-get-variable-local+ "GVAR")
(+opcode-get-variable-stack+ "GVAR")
(+opcode-get-value-local+ "GVLU")
(+opcode-get-value-stack+ "GVLU")
(+opcode-put-structure-local+ "PUTS")
(+opcode-set-variable-local+ "SVAR")
(+opcode-set-variable-stack+ "SVAR")
(+opcode-set-value-local+ "SVLU")
(+opcode-set-value-stack+ "SVLU")
(+opcode-put-variable-local+ "PVAR")
(+opcode-put-variable-stack+ "PVAR")
(+opcode-put-value-local+ "PVLU")
(+opcode-put-value-stack+ "PVLU")
(+opcode-call+ "CALL")
(+opcode-proceed+ "PROC")
(+opcode-allocate+ "ALOC")
(+opcode-deallocate+ "DEAL")
(+opcode-done+ "DONE")
(+opcode-try+ "TRYM")
(+opcode-retry+ "RTRY")
(+opcode-trust+ "TRST")))