+ (descriptor-reg any-reg null zero) * code-header-set)
+
+\f
+;;;; raw instance slot accessors
+(macrolet ((lfloat (imm base dst &key side)
+ `(cond
+ ((< ,imm (ash 1 4))
+ (inst flds ,imm ,base ,dst :side ,side))
+ ((and (< ,imm (ash 1 13))
+ (> ,imm 0))
+ (progn
+ (inst li ,imm offset)
+ (inst fldx offset ,base ,dst :side ,side)))
+ (t
+ (error "inst fldx cant handle offset-register loaded with immediate ~s" ,imm))))
+ (sfloat (src imm base &key side)
+ `(cond
+ ((< ,imm (ash 1 4))
+ (inst fsts ,src ,imm ,base :side ,side))
+ ((and (< ,imm (ash 1 13))
+ (> ,imm 0))
+ (progn
+ (inst ldo ,imm zero-tn offset)
+ (inst fstx ,src offset ,base :side ,side)))
+ (t
+ (error "inst fstx cant handle offset-register loaded with immediate ~s" ,imm))))
+ (raw-instance ((type inc-offset-by set &optional complex)
+ &body body)
+ (let ((name (symbolicate "RAW-INSTANCE-"
+ (if set "SET/" "REF/")
+ (if (eq type 'unsigned)
+ "WORD"
+ (or complex type))))
+ (type-num (cond
+ ((eq type 'single)
+ (if complex 'complex-single-float
+ 'single-float))
+ ((eq type 'double)
+ (if complex 'complex-double-float
+ 'double-float))
+ (t (symbolicate type "-NUM"))))
+ (type-reg (symbolicate (or complex type) "-REG")))
+ `(define-vop (,name)
+ (:translate ,(symbolicate "%" name))
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (index :scs (any-reg))
+ ,@(if set
+ `((value :scs (,type-reg) :target result))))
+ (:arg-types * positive-fixnum ,@(if set `(,type-num)))
+ (:results (,(if set 'result 'value) :scs (,type-reg)))
+ (:temporary (:scs (non-descriptor-reg)) offset)
+ (:temporary (:scs (interior-reg)) lip)
+ (:result-types ,type-num)
+ (:generator 5
+ (loadw offset object 0 instance-pointer-lowtag)
+ (inst srl offset n-widetag-bits offset)
+ (inst sll offset 2 offset)
+ (inst sub offset index offset)
+ (inst addi ,(* inc-offset-by n-word-bytes)
+ offset offset)
+ (inst add offset object lip)
+ ,@body)))))
+ (raw-instance (unsigned -1 nil)
+ (inst ldw (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) lip value))
+
+ (raw-instance (unsigned -1 t)
+ (inst stw value (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag) lip)
+ (move value result))
+
+ (raw-instance (single -1 nil)
+ (let ((io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (lfloat io lip value)))
+
+ (raw-instance (single -1 t)
+ (let ((io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (sfloat value io lip))
+ (unless (location= result value)
+ (inst funop :copy value result)))
+
+ (raw-instance (double -2 nil)
+ (let ((io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (lfloat io lip value)))
+
+ (raw-instance (double -2 t)
+ (let ((io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (sfloat value io lip :side 0))
+ (let ((io (- (* (1+ instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag)))
+ (sfloat value io lip :side 1))
+ (unless (location= result value)
+ (inst funop :copy value result)))
+
+ (raw-instance (single -2 nil complex-single)
+ (let ((io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+ (lfloat io lip (complex-single-reg-real-tn value)))
+ (let ((io (- (* (1+ instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag)))
+ (lfloat io lip (complex-single-reg-imag-tn value))))
+
+ (raw-instance (single -2 t complex-single)
+ (let ((value-real (complex-single-reg-real-tn value))
+ (result-real (complex-single-reg-real-tn result))
+ (io (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag)))
+
+ (sfloat value-real io lip)
+ (unless (location= result-real value-real)
+ (inst funop :copy value-real result-real)))
+ (let ((value-imag (complex-single-reg-imag-tn value))
+ (result-imag (complex-single-reg-imag-tn result))
+ (io (- (* (1+ instance-slots-offset) n-word-bytes)
+ instance-pointer-lowtag)))
+ (sfloat value-imag io lip)
+ (unless (location= result-imag value-imag)
+ (inst funop :copy value-imag result-imag))))
+
+ (raw-instance (double -4 nil complex-double)
+ (let ((r0 (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag))
+ (r1 (- (* (+ instance-slots-offset 1) n-word-bytes)
+ instance-pointer-lowtag))
+ (i0 (- (* (+ instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (i1 (- (* (+ instance-slots-offset 3) n-word-bytes)
+ instance-pointer-lowtag)))
+ (lfloat r0 lip (complex-double-reg-real-tn value) :side 0)
+ (lfloat r1 lip (complex-double-reg-real-tn value) :side 1)
+ (lfloat i0 lip (complex-double-reg-imag-tn value) :side 0)
+ (lfloat i1 lip (complex-double-reg-imag-tn value) :side 1)))
+
+ (raw-instance (double -4 t complex-double)
+ (let ((value-real (complex-double-reg-real-tn value))
+ (result-real (complex-double-reg-real-tn result))
+ (value-imag (complex-double-reg-imag-tn value))
+ (result-imag (complex-double-reg-imag-tn result))
+ (r0 (- (* instance-slots-offset n-word-bytes)
+ instance-pointer-lowtag))
+ (r1 (- (* (+ instance-slots-offset 1) n-word-bytes)
+ instance-pointer-lowtag))
+ (i0 (- (* (+ instance-slots-offset 2) n-word-bytes)
+ instance-pointer-lowtag))
+ (i1 (- (* (+ instance-slots-offset 3) n-word-bytes)
+ instance-pointer-lowtag)))
+ (sfloat value-real r0 lip :side 0)
+ (sfloat value-real r1 lip :side 1)
+ (sfloat value-imag i0 lip :side 0)
+ (sfloat value-imag i1 lip :side 1)
+ (unless (location= result-real value-real)
+ (inst funop :copy value-real result-real))
+ (unless (location= result-imag value-imag)
+ (inst funop :copy value-imag result-imag)))))