(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
;; 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
(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)
`(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)
(!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)
\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))