(defreg r15b 30 :byte)
(defregset *byte-regs*
al cl dl bl sil dil r8b r9b r10b
- r11b #+nil r12b #+nil r13b r14b r15b)
+ #+nil r11b #+nil r12b r13b r14b r15b)
;; word registers
(defreg ax 0 :word)
;; list of qword registers. However
;; <jsnell> r13 is already used as temporary [#lisp irc 2005/01/30]
;; and we're now going to use r12 for the struct thread*
+ ;;
+ ;; Except that now we use r11 instead of r13 as the temporary,
+ ;; since it's got a more compact encoding than r13, and experimentally
+ ;; the temporary gets used more than the other registers that are never
+ ;; wired. -- JES, 2005-11-02
(defregset *qword-regs* rax rcx rdx rbx rsi rdi
- r8 r9 r10 r11 r14 r15)
+ r8 r9 r10 #+nil r11 #+nil r12 r13 r14 r15)
;; floating point registers
(defreg float0 0 :float)
;;; (What a KLUDGE! Anyone who wants to come in and clean up this mess
;;; has my gratitude.) (FIXME: Maybe this should be me..)
(eval-when (:compile-toplevel :load-toplevel :execute)
- (def!constant kludge-nondeterministic-catch-block-size 6))
+ (def!constant kludge-nondeterministic-catch-block-size 5))
(!define-storage-classes
(fp-single-zero immediate-constant)
(fp-double-zero immediate-constant)
+ (fp-complex-single-zero immediate-constant)
+ (fp-complex-double-zero immediate-constant)
+
+ (fp-single-immediate immediate-constant)
+ (fp-double-immediate immediate-constant)
+ (fp-complex-single-immediate immediate-constant)
+ (fp-complex-double-immediate immediate-constant)
(immediate immediate-constant)
;; the non-descriptor stacks
;; XXX alpha backend has :element-size 2 :alignment 2 in these entries
- (signed-stack stack) ; (signed-byte 32)
- (unsigned-stack stack) ; (unsigned-byte 32)
+ (signed-stack stack) ; (signed-byte 64)
+ (unsigned-stack stack) ; (unsigned-byte 64)
(character-stack stack) ; non-descriptor characters.
(sap-stack stack) ; System area pointers.
(single-stack stack) ; single-floats
(double-stack stack)
- (complex-single-stack stack :element-size 2) ; complex-single-floats
+ (complex-single-stack stack) ; complex-single-floats
(complex-double-stack stack :element-size 2) ; complex-double-floats
(character-reg registers
:locations #!-sb-unicode #.*byte-regs*
#!+sb-unicode #.*qword-regs*
+ #!+sb-unicode #!+sb-unicode
+ :element-size 2
#!-sb-unicode #!-sb-unicode
:reserve-locations (#.al-offset)
:constant-scs (immediate)
;; non-descriptor SINGLE-FLOATs
(single-reg float-registers
- :locations #.(loop for i from 0 below 15 collect i)
- :constant-scs (fp-single-zero)
+ :locations #.*float-regs*
+ :constant-scs (fp-single-zero fp-single-immediate)
:save-p t
:alternate-scs (single-stack))
;; non-descriptor DOUBLE-FLOATs
(double-reg float-registers
- :locations #.(loop for i from 0 below 15 collect i)
- :constant-scs (fp-double-zero)
+ :locations #.*float-regs*
+ :constant-scs (fp-double-zero fp-double-immediate)
:save-p t
:alternate-scs (double-stack))
(complex-single-reg float-registers
- :locations #.(loop for i from 0 to 14 by 2 collect i)
- :element-size 2
- :constant-scs ()
+ :locations #.*float-regs*
+ :constant-scs (fp-complex-single-zero fp-complex-single-immediate)
:save-p t
:alternate-scs (complex-single-stack))
(complex-double-reg float-registers
- :locations #.(loop for i from 0 to 14 by 2 collect i)
- :element-size 2
- :constant-scs ()
+ :locations #.*float-regs*
+ :constant-scs (fp-complex-double-zero fp-complex-double-immediate)
:save-p t
:alternate-scs (complex-double-stack))
;;; These are used to (at least) determine operand size.
(defparameter *float-sc-names* '(single-reg))
(defparameter *double-sc-names* '(double-reg double-stack))
+(defparameter *complex-sc-names* '(complex-single-reg complex-single-stack
+ complex-double-reg complex-double-stack))
) ; EVAL-WHEN
\f
;;;; miscellaneous TNs for the various registers
`(progn ,@(forms)))))
(def-misc-reg-tns unsigned-reg rax rbx rcx rdx rbp rsp rdi rsi
- r8 r9 r10 r11 r12 r13 r14 r15)
+ r8 r9 r10 r11 r12 r13 r14 r15)
(def-misc-reg-tns dword-reg eax ebx ecx edx ebp esp edi esi)
(def-misc-reg-tns word-reg ax bx cx dx bp sp di si)
(def-misc-reg-tns byte-reg al cl dl bl sil dil r8b r9b r10b
- r11b r14b r15b)
+ r11b r12b r13b r14b r15b)
(def-misc-reg-tns single-reg
float0 float1 float2 float3 float4 float5 float6 float7
float8 float9 float10 float11 float12 float13 float14 float15))
+;; A register that's never used by the code generator, and can therefore
+;; be used as an assembly temporary in cases where a VOP :TEMPORARY can't
+;; be used.
+(defparameter temp-reg-tn r11-tn)
+
;;; TNs for registers used to pass arguments
(defparameter *register-arg-tns*
(mapcar (lambda (register-arg-name)
(make-random-tn :kind :normal :sc (sc-or-lose 'unsigned-reg )
:offset r12-offset))
-(defparameter fp-single-zero-tn
- (make-random-tn :kind :normal
- :sc (sc-or-lose 'single-reg)
- :offset 15))
-
-(defparameter fp-double-zero-tn
- (make-random-tn :kind :normal
- :sc (sc-or-lose 'double-reg)
- :offset 15))
-
;;; If value can be represented as an immediate constant, then return
;;; the appropriate SC number, otherwise return NIL.
(!def-vm-support-routine immediate-constant-sc (value)
(typecase value
((or (integer #.sb!xc:most-negative-fixnum #.sb!xc:most-positive-fixnum)
- #-sb-xc-host system-area-pointer character)
+ character)
(sc-number-or-lose 'immediate))
(symbol
(when (static-symbol-p value)
(sc-number-or-lose 'immediate)))
(single-float
- (if (eql value 0f0)
- (sc-number-or-lose 'fp-single-zero )
- nil))
+ (sc-number-or-lose
+ (if (eql value 0f0) 'fp-single-zero 'fp-single-immediate)))
(double-float
- (if (eql value 0d0)
- (sc-number-or-lose 'fp-double-zero )
- nil))))
+ (sc-number-or-lose
+ (if (eql value 0d0) 'fp-double-zero 'fp-double-immediate)))
+ ((complex single-float)
+ (sc-number-or-lose
+ (if (eql value #c(0f0 0f0))
+ 'fp-complex-single-zero
+ 'fp-complex-single-immediate)))
+ ((complex double-float)
+ (sc-number-or-lose
+ (if (eql value #c(0d0 0d0))
+ 'fp-complex-double-zero
+ 'fp-complex-double-immediate)))))
\f
;;;; miscellaneous function call parameters
-;;; offsets of special stack frame locations
-(def!constant ocfp-save-offset 0)
-(def!constant return-pc-save-offset 1)
+;;; Offsets of special stack frame locations relative to RBP.
+;;;
+;;; Consider the standard prologue PUSH RBP; MOV RBP, RSP: the return
+;;; address is at RBP+8, the old control stack frame pointer is at
+;;; RBP, the magic 3rd slot is at RBP-8. Then come the locals from
+;;; RBP-16 on.
+(def!constant return-pc-save-offset 0)
+(def!constant ocfp-save-offset 1)
(def!constant code-save-offset 2)
+;;; Let SP be the stack pointer before CALLing, and FP is the frame
+;;; pointer after the standard prologue. SP +
+;;; FRAME-WORD-OFFSET(SP->FP-OFFSET + I) = FP + FRAME-WORD-OFFSET(I).
+(def!constant sp->fp-offset 2)
+
+(declaim (inline frame-word-offset))
+(defun frame-word-offset (index)
+ (- (1- index)))
+
+(declaim (inline frame-byte-offset))
+(defun frame-byte-offset (index)
+ (* (frame-word-offset index) n-word-bytes))
(def!constant lra-save-offset return-pc-save-offset) ; ?
(def!constant cfp-offset rbp-offset) ; pfw - needed by stuff in /code
+(!def-vm-support-routine combination-implementation-style (node)
+ (declare (type sb!c::combination node) (ignore node))
+ (values :default nil))
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