(sb!disassem:define-instruction-format (xmm-xmm/mem-imm 24
:default-printer
- '(:name :tab reg ", " reg/mem " " imm))
+ '(:name
+ :tab reg ", " reg/mem ", " imm))
(x0f :field (byte 8 0) :value #x0f)
(op :field (byte 8 8))
(reg/mem :fields (list (byte 2 22) (byte 3 16))
(sb!disassem:define-instruction-format (rex-xmm-xmm/mem-imm 32
:default-printer
- '(:name :tab reg ", " reg/mem " " imm))
+ '(:name
+ :tab reg ", " reg/mem ", " imm))
(rex :field (byte 4 4) :value #b0100)
(wrxb :field (byte 4 0) :type 'wrxb)
(x0f :field (byte 8 8) :value #x0f)
(sb!disassem:define-instruction-format (ext-xmm-xmm/mem-imm 32
:default-printer
- '(:name :tab reg ", " reg/mem " " imm))
+ '(:name
+ :tab reg ", " reg/mem ", " imm))
(prefix :field (byte 8 0))
(x0f :field (byte 8 8) :value #x0f)
(op :field (byte 8 16))
(sb!disassem:define-instruction-format (ext-rex-xmm-xmm/mem-imm 40
:default-printer
- '(:name :tab reg ", " reg/mem " " imm))
+ '(:name
+ :tab reg ", " reg/mem ", " imm))
(prefix :field (byte 8 0))
(rex :field (byte 4 12) :value #b0100)
(wrxb :field (byte 4 8) :type 'wrxb)
(r/m (cond (index #b100)
((null base) #b101)
(t (reg-tn-encoding base)))))
+ (when (and (fixup-p disp)
+ (label-p (fixup-offset disp)))
+ (aver (null base))
+ (aver (null index))
+ (return-from emit-ea (emit-ea segment disp reg allow-constants)))
(when (and (= mod 0) (= r/m #b101))
;; this is rip-relative in amd64, so we'll use a sib instead
(setf r/m #b100 scale 1))
(cond (ea-p (ea-base src))
((tn-p src) src)
(t nil)))
- (emit-byte segment #x63) ;movsxd
+ (emit-byte segment (if signed-p #x63 #x8b)) ;movsxd or straight mov
;;(emit-byte segment opcode)
(emit-ea segment src (reg-tn-encoding dst)))))))))
(defun break-control (chunk inst stream dstate)
(declare (ignore inst))
(flet ((nt (x) (if stream (sb!disassem:note x dstate))))
- ;; FIXME: Make sure that BYTE-IMM-CODE is defined. The genesis
- ;; map has it undefined; and it should be easier to look in the target
- ;; Lisp (with (DESCRIBE 'BYTE-IMM-CODE)) than to definitively deduce
- ;; from first principles whether it's defined in some way that genesis
- ;; can't grok.
- (case #!-darwin (byte-imm-code chunk dstate)
- #!+darwin (word-imm-code chunk dstate)
+ ;; XXX: {BYTE,WORD}-IMM-CODE below is a macro defined by the
+ ;; DEFINE-INSTRUCTION-FORMAT for {BYTE,WORD}-IMM above. Due to
+ ;; the spectacular design for DEFINE-INSTRUCTION-FORMAT (involving
+ ;; a call to EVAL in order to define the macros at compile-time
+ ;; only) they do not even show up as symbols in the target core.
+ (case #!-ud2-breakpoints (byte-imm-code chunk dstate)
+ #!+ud2-breakpoints (word-imm-code chunk dstate)
(#.error-trap
(nt "error trap")
(sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
(define-instruction break (segment code)
(:declare (type (unsigned-byte 8) code))
- #!-darwin (:printer byte-imm ((op #b11001100)) '(:name :tab code)
- :control #'break-control)
- #!+darwin (:printer word-imm ((op #b0000101100001111)) '(:name :tab code)
- :control #'break-control)
+ #!-ud2-breakpoints (:printer byte-imm ((op #b11001100)) '(:name :tab code)
+ :control #'break-control)
+ #!+ud2-breakpoints (:printer word-imm ((op #b0000101100001111)) '(:name :tab code)
+ :control #'break-control)
(:emitter
- #!-darwin (emit-byte segment #b11001100)
+ #!-ud2-breakpoints (emit-byte segment #b11001100)
;; On darwin, trap handling via SIGTRAP is unreliable, therefore we
;; throw a sigill with 0x0b0f instead and check for this in the
;; SIGILL handler and pass it on to the sigtrap handler if
;; appropriate
- #!+darwin (emit-word segment #b0000101100001111)
+ #!+ud2-breakpoints (emit-word segment #b0000101100001111)
(emit-byte segment code)))
(define-instruction int (segment number)
(:emitter
(emit-byte segment #b00001111)
(emit-byte segment #b00110001)))
+
+;;;; Late VM definitions
+
+(defun canonicalize-inline-constant (constant &aux (alignedp nil))
+ (let ((first (car constant)))
+ (when (eql first :aligned)
+ (setf alignedp t)
+ (pop constant)
+ (setf first (car constant)))
+ (typecase first
+ (single-float (setf constant (list :single-float first)))
+ (double-float (setf constant (list :double-float first)))
+ ((complex single-float)
+ (setf constant (list :complex-single-float first)))
+ ((complex double-float)
+ (setf constant (list :complex-double-float first)))))
+ (destructuring-bind (type value) constant
+ (ecase type
+ ((:byte :word :dword :qword)
+ (aver (integerp value))
+ (cons type value))
+ ((:base-char)
+ (aver (base-char-p value))
+ (cons :byte (char-code value)))
+ ((:character)
+ (aver (characterp value))
+ (cons :dword (char-code value)))
+ ((:single-float)
+ (aver (typep value 'single-float))
+ (cons (if alignedp :oword :dword)
+ (ldb (byte 32 0) (single-float-bits value))))
+ ((:double-float)
+ (aver (typep value 'double-float))
+ (cons (if alignedp :oword :qword)
+ (ldb (byte 64 0) (logior (ash (double-float-high-bits value) 32)
+ (double-float-low-bits value)))))
+ ((:complex-single-float)
+ (aver (typep value '(complex single-float)))
+ (cons (if alignedp :oword :qword)
+ (ldb (byte 64 0)
+ (logior (ash (single-float-bits (imagpart value)) 32)
+ (ldb (byte 32 0)
+ (single-float-bits (realpart value)))))))
+ ((:oword :sse)
+ (aver (integerp value))
+ (cons :oword value))
+ ((:complex-double-float)
+ (aver (typep value '(complex double-float)))
+ (cons :oword
+ (logior (ash (double-float-high-bits (imagpart value)) 96)
+ (ash (double-float-low-bits (imagpart value)) 64)
+ (ash (ldb (byte 32 0)
+ (double-float-high-bits (realpart value)))
+ 32)
+ (double-float-low-bits (realpart value))))))))
+
+(defun inline-constant-value (constant)
+ (let ((label (gen-label))
+ (size (ecase (car constant)
+ ((:byte :word :dword :qword) (car constant))
+ ((:oword) :qword))))
+ (values label (make-ea size
+ :disp (make-fixup nil :code-object label)))))
+
+(defun emit-constant-segment-header (constants optimize)
+ (declare (ignore constants))
+ (loop repeat (if optimize 64 16) do (inst byte #x90)))
+
+(defun size-nbyte (size)
+ (ecase size
+ (:byte 1)
+ (:word 2)
+ (:dword 4)
+ (:qword 8)
+ (:oword 16)))
+
+(defun sort-inline-constants (constants)
+ (stable-sort constants #'> :key (lambda (constant)
+ (size-nbyte (caar constant)))))
+
+(defun emit-inline-constant (constant label)
+ (let ((size (size-nbyte (car constant))))
+ (emit-alignment (integer-length (1- size)))
+ (emit-label label)
+ (let ((val (cdr constant)))
+ (loop repeat size
+ do (inst byte (ldb (byte 8 0) val))
+ (setf val (ash val -8))))))
projects / sbcl.git / blobdiff