X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Finsts.lisp;h=5fc70d6547f0ec3ff0be34de8995cd04eb4f560a;hb=8a33bf220856487a5cde4b183476b6ab5103983a;hp=4179980b60c100e3297b36fee14b49df08719e05;hpb=e0a4fab15834525fd043e6ef5adfd74a13af1450;p=sbcl.git diff --git a/src/compiler/x86-64/insts.lisp b/src/compiler/x86-64/insts.lisp index 4179980..5fc70d6 100644 --- a/src/compiler/x86-64/insts.lisp +++ b/src/compiler/x86-64/insts.lisp @@ -482,6 +482,10 @@ :prefilter #'prefilter-reg-r :printer #'print-xmmreg) +(sb!disassem:define-arg-type xmmreg-b + :prefilter #'prefilter-reg-b + :printer #'print-xmmreg) + (sb!disassem:define-arg-type xmmreg/mem :prefilter #'prefilter-reg/mem :printer #'print-xmmreg/mem) @@ -517,6 +521,20 @@ vec)) ) ; EVAL-WHEN +;;; SSE shuffle patterns. The names end in the number of bits of the +;;; immediate byte that are used to encode the pattern and the radix +;;; in which to print the value. +(macrolet ((define-sse-shuffle-arg-type (name format-string) + `(sb!disassem:define-arg-type ,name + :type 'imm-byte + :printer (lambda (value stream dstate) + (declare (type (unsigned-byte 8) value) + (type stream stream) + (ignore dstate)) + (format stream ,format-string value))))) + (define-sse-shuffle-arg-type sse-shuffle-pattern-2-2 "#b~2,'0B") + (define-sse-shuffle-arg-type sse-shuffle-pattern-8-4 "#4r~4,4,'0R")) + ;;; Set assembler parameters. (In CMU CL, this was done with ;;; a call to a macro DEF-ASSEMBLER-PARAMS.) (eval-when (:compile-toplevel :load-toplevel :execute) @@ -542,6 +560,14 @@ (accum :type 'accum) (imm)) +(sb!disassem:define-instruction-format (two-bytes 16 + :default-printer '(:name)) + (op :fields (list (byte 8 0) (byte 8 8)))) + +(sb!disassem:define-instruction-format (three-bytes 24 + :default-printer '(:name)) + (op :fields (list (byte 8 0) (byte 8 8) (byte 8 16)))) + ;;; A one-byte instruction with a #x66 prefix, used to indicate an ;;; operand size of :word. (sb!disassem:define-instruction-format (x66-byte 16 @@ -801,6 +827,55 @@ ;; optional fields (imm)) +(sb!disassem:define-instruction-format (x66-ext-reg-reg/mem 32 + :default-printer + `(:name :tab reg ", " reg/mem)) + (x66 :field (byte 8 0) :type 'x66 :value #x66) + (prefix :field (byte 8 8) :value #b00001111) + (op :field (byte 7 17)) + (width :field (byte 1 16) :type 'width) + (reg/mem :fields (list (byte 2 30) (byte 3 24)) + :type 'reg/mem) + (reg :field (byte 3 27) :type 'reg) + ;; optional fields + (imm)) + +(sb!disassem:define-instruction-format (rex-ext-reg-reg/mem 32 + :default-printer + `(:name :tab reg ", " reg/mem)) + (rex :field (byte 4 4) :value #b0100) + (wrxb :field (byte 4 0) :type 'wrxb) + (prefix :field (byte 8 8) :value #b00001111) + (op :field (byte 7 17)) + (width :field (byte 1 16) :type 'width) + (reg/mem :fields (list (byte 2 30) (byte 3 24)) + :type 'reg/mem) + (reg :field (byte 3 27) :type 'reg) + ;; optional fields + (imm)) + +(sb!disassem:define-instruction-format (x66-rex-ext-reg-reg/mem 40 + :default-printer + `(:name :tab reg ", " reg/mem)) + (x66 :field (byte 8 0) :type 'x66 :value #x66) + (rex :field (byte 4 12) :value #b0100) + (wrxb :field (byte 4 8) :type 'wrxb) + (prefix :field (byte 8 16) :value #b00001111) + (op :field (byte 7 25)) + (width :field (byte 1 24) :type 'width) + (reg/mem :fields (list (byte 2 38) (byte 3 32)) + :type 'reg/mem) + (reg :field (byte 3 35) :type 'reg) + ;; optional fields + (imm)) + +(eval-when (:compile-toplevel :execute) + (defun ext-reg-reg/mem-printer-list (op &optional printer) + `((ext-reg-reg/mem ((op ,op)) ,@(when printer (list printer))) + (x66-ext-reg-reg/mem ((op ,op)) ,@(when printer (list printer))) + (rex-ext-reg-reg/mem ((op ,op)) ,@(when printer (list printer))) + (x66-rex-ext-reg-reg/mem ((op ,op)) ,@(when printer (list printer)))))) + (sb!disassem:define-instruction-format (ext-reg-reg/mem-no-width 24 :default-printer `(:name :tab reg ", " reg/mem)) @@ -821,6 +896,24 @@ :type 'reg/mem) (reg :field (byte 3 27) :type 'reg)) +(sb!disassem:define-instruction-format (ext-reg/mem-no-width 24 + :default-printer + `(:name :tab reg/mem)) + (prefix :field (byte 8 0) :value #b00001111) + (op :fields (list (byte 8 8) (byte 3 19))) + (reg/mem :fields (list (byte 2 22) (byte 3 16)) + :type 'reg/mem)) + +(sb!disassem:define-instruction-format (rex-ext-reg/mem-no-width 32 + :default-printer + `(:name :tab reg/mem)) + (rex :field (byte 4 4) :value #b0100) + (wrxb :field (byte 4 0) :type 'wrxb) + (prefix :field (byte 8 8) :value #b00001111) + (op :fields (list (byte 8 16) (byte 3 27))) + (reg/mem :fields (list (byte 2 30) (byte 3 24)) + :type 'reg/mem)) + ;;; reg-no-width with #x0f prefix (sb!disassem:define-instruction-format (ext-reg-no-width 16 :default-printer '(:name :tab reg)) @@ -862,18 +955,21 @@ (op :field (byte 8 8)) (reg/mem :fields (list (byte 2 22) (byte 3 16)) :type 'xmmreg/mem) - (reg :field (byte 3 19) :type 'xmmreg)) + (reg :field (byte 3 19) :type 'xmmreg) + ;; optional fields + (imm)) (sb!disassem:define-instruction-format (rex-xmm-xmm/mem 32 :default-printer '(:name :tab reg ", " reg/mem)) - (x0f :field (byte 8 0) :value #x0f) - (rex :field (byte 4 12) :value #b0100) - (wrxb :field (byte 4 8) :type 'wrxb) + (rex :field (byte 4 4) :value #b0100) + (wrxb :field (byte 4 0) :type 'wrxb) + (x0f :field (byte 8 8) :value #x0f) (op :field (byte 8 16)) (reg/mem :fields (list (byte 2 30) (byte 3 24)) :type 'xmmreg/mem) - (reg :field (byte 3 27) :type 'xmmreg)) + (reg :field (byte 3 27) :type 'xmmreg) + (imm)) (sb!disassem:define-instruction-format (ext-xmm-xmm/mem 32 :default-printer @@ -883,7 +979,8 @@ (op :field (byte 8 16)) (reg/mem :fields (list (byte 2 30) (byte 3 24)) :type 'xmmreg/mem) - (reg :field (byte 3 27) :type 'xmmreg)) + (reg :field (byte 3 27) :type 'xmmreg) + (imm)) (sb!disassem:define-instruction-format (ext-rex-xmm-xmm/mem 40 :default-printer @@ -895,7 +992,8 @@ (op :field (byte 8 24)) (reg/mem :fields (list (byte 2 38) (byte 3 32)) :type 'xmmreg/mem) - (reg :field (byte 3 35) :type 'xmmreg)) + (reg :field (byte 3 35) :type 'xmmreg) + (imm)) ;;; Same as xmm-xmm/mem etc., but with direction bit. @@ -917,9 +1015,58 @@ (op :field (byte 7 25)) (dir :field (byte 1 24))) +;;; Instructions having an XMM register as one operand +;;; and a constant (unsigned) byte as the other. + +(sb!disassem:define-instruction-format (ext-xmm-imm 32 + :default-printer + '(:name :tab reg/mem ", " imm)) + (prefix :field (byte 8 0)) + (x0f :field (byte 8 8) :value #x0f) + (op :field (byte 8 16)) + (/i :field (byte 3 27)) + (b11 :field (byte 2 30) :value #b11) + (reg/mem :field (byte 3 24) + :type 'xmmreg-b) + (imm :type 'imm-byte)) + +(sb!disassem:define-instruction-format (ext-rex-xmm-imm 40 + :default-printer + '(:name :tab reg/mem ", " imm)) + (prefix :field (byte 8 0)) + (rex :field (byte 4 12) :value #b0100) + (wrxb :field (byte 4 8) :type 'wrxb) + (x0f :field (byte 8 16) :value #x0f) + (op :field (byte 8 24)) + (/i :field (byte 3 35)) + (b11 :field (byte 2 38) :value #b11) + (reg/mem :field (byte 3 32) + :type 'xmmreg-b) + (imm :type 'imm-byte)) + ;;; Instructions having an XMM register as one operand and a general- ;;; -purpose register or a memory location as the other operand. +(sb!disassem:define-instruction-format (xmm-reg/mem 24 + :default-printer + '(:name :tab reg ", " reg/mem)) + (x0f :field (byte 8 0) :value #x0f) + (op :field (byte 8 8)) + (reg/mem :fields (list (byte 2 22) (byte 3 16)) + :type 'sized-reg/mem) + (reg :field (byte 3 19) :type 'xmmreg)) + +(sb!disassem:define-instruction-format (rex-xmm-reg/mem 32 + :default-printer + '(:name :tab reg ", " reg/mem)) + (rex :field (byte 4 4) :value #b0100) + (wrxb :field (byte 4 0) :type 'wrxb) + (x0f :field (byte 8 8) :value #x0f) + (op :field (byte 8 16)) + (reg/mem :fields (list (byte 2 30) (byte 3 24)) + :type 'sized-reg/mem) + (reg :field (byte 3 27) :type 'xmmreg)) + (sb!disassem:define-instruction-format (ext-xmm-reg/mem 32 :default-printer '(:name :tab reg ", " reg/mem)) @@ -945,6 +1092,26 @@ ;;; Instructions having a general-purpose register as one operand and an ;;; XMM register or a memory location as the other operand. +(sb!disassem:define-instruction-format (reg-xmm/mem 24 + :default-printer + '(:name :tab reg ", " reg/mem)) + (x0f :field (byte 8 0) :value #x0f) + (op :field (byte 8 8)) + (reg/mem :fields (list (byte 2 22) (byte 3 16)) + :type 'sized-xmmreg/mem) + (reg :field (byte 3 19) :type 'reg)) + +(sb!disassem:define-instruction-format (rex-reg-xmm/mem 32 + :default-printer + '(:name :tab reg ", " reg/mem)) + (rex :field (byte 4 4) :value #b0100) + (wrxb :field (byte 4 0) :type 'wrxb) + (x0f :field (byte 8 8) :value #x0f) + (op :field (byte 8 16)) + (reg/mem :fields (list (byte 2 30) (byte 3 24)) + :type 'sized-xmmreg/mem) + (reg :field (byte 3 27) :type 'reg)) + (sb!disassem:define-instruction-format (ext-reg-xmm/mem 32 :default-printer '(:name :tab reg ", " reg/mem)) @@ -967,6 +1134,16 @@ :type 'sized-xmmreg/mem) (reg :field (byte 3 35) :type 'reg)) +;; XMM comparison instruction + +(eval-when (:compile-toplevel :load-toplevel :execute) + (defparameter *sse-conditions* #(:eq :lt :le :unord :neq :nlt :nle :ord))) + +(sb!disassem:define-arg-type sse-condition-code + ;; Inherit the prefilter from IMM-BYTE to READ-SUFFIX the byte. + :type 'imm-byte + :printer *sse-conditions*) + (sb!disassem:define-instruction-format (string-op 8 :include 'simple :default-printer '(:name width))) @@ -1177,7 +1354,7 @@ (format stream "+~A" (ea-disp ea)))) (write-char #\] stream)))) -(defun emit-constant-tn-rip (segment constant-tn reg) +(defun emit-constant-tn-rip (segment constant-tn reg remaining-bytes) ;; AMD64 doesn't currently have a code object register to use as a ;; base register for constant access. Instead we use RIP-relative ;; addressing. The offset from the SIMPLE-FUN-HEADER to the instruction @@ -1206,21 +1383,23 @@ ;; The addressing is relative to end of instruction, ;; i.e. the end of this dword. Hence the + 4. (emit-signed-dword segment - (+ 4 (- (+ offset posn))))))) + (+ 4 remaining-bytes + (- (+ offset posn))))))) (values)) -(defun emit-label-rip (segment fixup reg) +(defun emit-label-rip (segment fixup reg remaining-bytes) (let ((label (fixup-offset fixup))) ;; RIP-relative addressing (emit-mod-reg-r/m-byte segment #b00 reg #b101) (emit-back-patch segment 4 (lambda (segment posn) - (emit-signed-dword segment (- (label-position label) - (+ posn 4)))))) + (emit-signed-dword segment + (- (label-position label) + (+ posn 4 remaining-bytes)))))) (values)) -(defun emit-ea (segment thing reg &optional allow-constants) +(defun emit-ea (segment thing reg &key allow-constants (remaining-bytes 0)) (etypecase thing (tn ;; this would be eleganter if we had a function that would create @@ -1230,7 +1409,7 @@ (emit-mod-reg-r/m-byte segment #b11 reg (reg-tn-encoding thing))) (stack ;; Convert stack tns into an index off RBP. - (let ((disp (- (* (1+ (tn-offset thing)) n-word-bytes)))) + (let ((disp (frame-byte-offset (tn-offset thing)))) (cond ((<= -128 disp 127) (emit-mod-reg-r/m-byte segment #b01 reg #b101) (emit-byte segment disp)) @@ -1242,7 +1421,7 @@ ;; Why? (error "Constant TNs can only be directly used in MOV, PUSH, and CMP.")) - (emit-constant-tn-rip segment thing reg)))) + (emit-constant-tn-rip segment thing reg remaining-bytes)))) (ea (let* ((base (ea-base thing)) (index (ea-index thing)) @@ -1259,6 +1438,13 @@ (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 allow-constants + :remaining-bytes remaining-bytes))) (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)) @@ -1284,7 +1470,7 @@ (fixup (typecase (fixup-offset thing) (label - (emit-label-rip segment thing reg)) + (emit-label-rip segment thing reg remaining-bytes)) (t (emit-mod-reg-r/m-byte segment #b00 reg #b100) (emit-sib-byte segment 0 #b100 #b101) @@ -1480,6 +1666,8 @@ :float) (#.*double-sc-names* :double) + (#.*complex-sc-names* + :complex) (t (error "can't tell the size of ~S ~S" thing (sc-name (tn-sc thing)))))) (ea @@ -1607,7 +1795,7 @@ (if (eq size :byte) #b10001010 #b10001011)) - (emit-ea segment src (reg-tn-encoding dst) t)))) + (emit-ea segment src (reg-tn-encoding dst) :allow-constants t)))) ((integerp src) ;; C7 only deals with 32 bit immediates even if the ;; destination is a 64-bit location. The value is @@ -1672,7 +1860,7 @@ (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))))))))) @@ -1750,7 +1938,7 @@ (emit-byte-with-reg segment #b01010 (reg-tn-encoding src))) (t (emit-byte segment #b11111111) - (emit-ea segment src #b110 t)))))))) + (emit-ea segment src #b110 :allow-constants t)))))))) (define-instruction pop (segment dst) (:printer reg-no-width-default-qword ((op #b01011))) @@ -1810,11 +1998,13 @@ (emit-byte segment #b10001101) (emit-ea segment src (reg-tn-encoding dst)))) -(define-instruction cmpxchg (segment dst src) +(define-instruction cmpxchg (segment dst src &optional prefix) ;; Register/Memory with Register. - (:printer ext-reg-reg/mem ((op #b1011000)) '(:name :tab reg/mem ", " reg)) + (:printer-list (ext-reg-reg/mem-printer-list #b1011000 + '(:name :tab reg/mem ", " reg))) (:emitter (aver (register-p src)) + (emit-prefix segment prefix) (let ((size (matching-operand-size src dst))) (maybe-emit-operand-size-prefix segment size) (maybe-emit-rex-for-ea segment dst src) @@ -1823,11 +2013,6 @@ (emit-ea segment dst (reg-tn-encoding src))))) - -(define-instruction fs-segment-prefix (segment) - (:emitter - (emit-byte segment #x64))) - ;;;; flag control instructions ;;; CLC -- Clear Carry Flag. @@ -1907,7 +2092,7 @@ (cond ((and (not (eq size :byte)) (<= -128 src 127)) (maybe-emit-rex-for-ea segment dst nil) (emit-byte segment #b10000011) - (emit-ea segment dst opcode allow-constants) + (emit-ea segment dst opcode :allow-constants allow-constants) (emit-byte segment src)) ((accumulator-p dst) (maybe-emit-rex-for-ea segment dst nil) @@ -1921,7 +2106,7 @@ (t (maybe-emit-rex-for-ea segment dst nil) (emit-byte segment (if (eq size :byte) #b10000000 #b10000001)) - (emit-ea segment dst opcode allow-constants) + (emit-ea segment dst opcode :allow-constants allow-constants) (emit-sized-immediate segment size src)))) ((register-p src) (maybe-emit-rex-for-ea segment dst src) @@ -1929,14 +2114,14 @@ (dpb opcode (byte 3 3) (if (eq size :byte) #b00000000 #b00000001))) - (emit-ea segment dst (reg-tn-encoding src) allow-constants)) + (emit-ea segment dst (reg-tn-encoding src) :allow-constants allow-constants)) ((register-p dst) (maybe-emit-rex-for-ea segment src dst) (emit-byte segment (dpb opcode (byte 3 3) (if (eq size :byte) #b00000010 #b00000011))) - (emit-ea segment src (reg-tn-encoding dst) allow-constants)) + (emit-ea segment src (reg-tn-encoding dst) :allow-constants allow-constants)) (t (error "bogus operands to ~A" name))))) @@ -1956,9 +2141,11 @@ (rex-reg-reg/mem-dir ((op ,(dpb subop (byte 3 1) #b000000)))))) ) -(define-instruction add (segment dst src) +(define-instruction add (segment dst src &optional prefix) (:printer-list (arith-inst-printer-list #b000)) - (:emitter (emit-random-arith-inst "ADD" segment dst src #b000))) + (:emitter + (emit-prefix segment prefix) + (emit-random-arith-inst "ADD" segment dst src #b000))) (define-instruction adc (segment dst src) (:printer-list (arith-inst-printer-list #b010)) @@ -2137,11 +2324,13 @@ (maybe-emit-rex-prefix segment :qword nil nil nil) (emit-byte segment #b10011001))) -(define-instruction xadd (segment dst src) +(define-instruction xadd (segment dst src &optional prefix) ;; Register/Memory with Register. - (:printer ext-reg-reg/mem ((op #b1100000)) '(:name :tab reg/mem ", " reg)) + (:printer-list (ext-reg-reg/mem-printer-list #b1100000 + '(:name :tab reg/mem ", " reg))) (:emitter (aver (register-p src)) + (emit-prefix segment prefix) (let ((size (matching-operand-size src dst))) (maybe-emit-operand-size-prefix segment size) (maybe-emit-rex-for-ea segment dst src) @@ -2243,7 +2432,7 @@ (ext-reg-reg/mem-imm ((op ,(logior op #b100)) (imm nil :type signed-imm-byte))) (ext-reg-reg/mem ((op ,(logior op #b101))) - (:name :tab reg/mem ", " 'cl))))) + (:name :tab reg/mem ", " reg ", " 'cl))))) (define-instruction shld (segment dst src amt) (:declare (type (or (member :cl) (mod 32)) amt)) @@ -2397,7 +2586,7 @@ (define-instruction rep (segment) (:emitter - (emit-byte segment #b11110010))) + (emit-byte segment #b11110011))) (define-instruction repe (segment) (:printer byte ((op #b11110011))) @@ -2503,8 +2692,8 @@ (- (label-position where) (+ posn 4)))))) (fixup - (emit-byte segment #b11101000) - (emit-relative-fixup segment where)) + ;; There is no CALL rel64... + (error "Cannot CALL a fixup: ~S" where)) (t (maybe-emit-rex-for-ea segment where nil :operand-size :do-not-set) (emit-byte segment #b11111111) @@ -2580,13 +2769,13 @@ (:printer byte ((op #b11000010) (imm nil :type 'imm-word-16)) '(:name :tab imm)) (:emitter - (cond (stack-delta + (cond ((and stack-delta (not (zerop stack-delta))) (emit-byte segment #b11000010) (emit-word segment stack-delta)) (t (emit-byte segment #b11000011))))) -(define-instruction jecxz (segment target) +(define-instruction jrcxz (segment target) (:printer short-jump ((op #b0011))) (:emitter (emit-byte segment #b11100011) @@ -2693,13 +2882,13 @@ (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)) @@ -2721,17 +2910,17 @@ (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) @@ -2767,10 +2956,20 @@ (:emitter (emit-byte segment #b10011011))) +(defun emit-prefix (segment name) + (declare (ignorable segment)) + (ecase name + ((nil)) + (:lock + #!+sb-thread + (emit-byte segment #xf0)))) + +;;; FIXME: It would be better to make the disassembler understand the prefix as part +;;; of the instructions... (define-instruction lock (segment) (:printer byte ((op #b11110000))) (:emitter - (emit-byte segment #b11110000))) + (bug "LOCK prefix used as a standalone instruction"))) ;;;; miscellaneous hackery @@ -2807,7 +3006,28 @@ ;;;; Instructions required to do floating point operations using SSE -(defun emit-sse-inst (segment dst src prefix opcode &key operand-size) +;; Return a two-element list of printers for SSE instructions. One +;; printer is for the format without a REX prefix, the other one for the +;; one with. +(eval-when (:compile-toplevel :execute) + (defun sse-inst-printer-list (inst-format-stem prefix opcode + &key more-fields printer) + (let ((fields `(,@(when prefix + `((prefix ,prefix))) + (op ,opcode) + ,@more-fields)) + (inst-formats (if prefix + (list (symbolicate "EXT-" inst-format-stem) + (symbolicate "EXT-REX-" inst-format-stem)) + (list inst-format-stem + (symbolicate "REX-" inst-format-stem))))) + (mapcar (lambda (inst-format) + `(,inst-format ,fields ,@(when printer + (list printer)))) + inst-formats)))) + +(defun emit-sse-inst (segment dst src prefix opcode + &key operand-size (remaining-bytes 0)) (when prefix (emit-byte segment prefix)) (if operand-size @@ -2815,15 +3035,55 @@ (maybe-emit-rex-for-ea segment src dst)) (emit-byte segment #x0f) (emit-byte segment opcode) - (emit-ea segment src (reg-tn-encoding dst))) + (emit-ea segment src (reg-tn-encoding dst) :remaining-bytes remaining-bytes)) + +;; 0110 0110:0000 1111:0111 00gg: 11 010 xmmreg:imm8 + +(defun emit-sse-inst-with-imm (segment dst/src imm + prefix opcode /i + &key operand-size) + (aver (<= 0 /i 7)) + (when prefix + (emit-byte segment prefix)) + (maybe-emit-rex-prefix segment operand-size dst/src nil nil) + (emit-byte segment #x0F) + (emit-byte segment opcode) + (emit-byte segment (logior (ash (logior #b11000 /i) 3) + (reg-tn-encoding dst/src))) + (emit-byte segment imm)) + +(macrolet + ((define-imm-sse-instruction (name opcode /i) + `(define-instruction ,name (segment dst/src imm) + (:printer-list + ',(sse-inst-printer-list 'xmm-imm #x66 opcode + :more-fields `((/i ,/i)))) + (:emitter + (emit-sse-inst-with-imm segment dst/src imm + #x66 ,opcode ,/i + :operand-size :do-not-set))))) + (define-imm-sse-instruction pslldq #x73 7) + (define-imm-sse-instruction psllw-imm #x71 6) + (define-imm-sse-instruction pslld-imm #x72 6) + (define-imm-sse-instruction psllq-imm #x73 6) + + (define-imm-sse-instruction psraw-imm #x71 4) + (define-imm-sse-instruction psrad-imm #x72 4) + + (define-imm-sse-instruction psrldq #x73 3) + (define-imm-sse-instruction psrlw-imm #x71 2) + (define-imm-sse-instruction psrld-imm #x72 2) + (define-imm-sse-instruction psrlq-imm #x73 2)) ;;; Emit an SSE instruction that has an XMM register as the destination ;;; operand and for which the size of the operands is implicitly given ;;; by the instruction. -(defun emit-regular-sse-inst (segment dst src prefix opcode) +(defun emit-regular-sse-inst (segment dst src prefix opcode + &key (remaining-bytes 0)) (aver (xmm-register-p dst)) (emit-sse-inst segment dst src prefix opcode - :operand-size :do-not-set)) + :operand-size :do-not-set + :remaining-bytes remaining-bytes)) ;;; Instructions having an XMM register as the destination operand ;;; and an XMM register or a memory location as the source operand. @@ -2831,47 +3091,192 @@ (macrolet ((define-regular-sse-inst (name prefix opcode) `(define-instruction ,name (segment dst src) - ,@(if prefix - `((:printer ext-xmm-xmm/mem - ((prefix ,prefix) (op ,opcode))) - (:printer ext-rex-xmm-xmm/mem - ((prefix ,prefix) (op ,opcode)))) - `((:printer xmm-xmm/mem ((op ,opcode))) - (:printer rex-xmm-xmm/mem ((op ,opcode))))) + (:printer-list + ',(sse-inst-printer-list 'xmm-xmm/mem prefix opcode)) (:emitter (emit-regular-sse-inst segment dst src ,prefix ,opcode))))) ;; logical (define-regular-sse-inst andpd #x66 #x54) (define-regular-sse-inst andps nil #x54) + (define-regular-sse-inst andnpd #x66 #x55) + (define-regular-sse-inst andnps nil #x55) + (define-regular-sse-inst orpd #x66 #x56) + (define-regular-sse-inst orps nil #x56) + (define-regular-sse-inst pand #x66 #xdb) + (define-regular-sse-inst pandn #x66 #xdf) + (define-regular-sse-inst por #x66 #xeb) + (define-regular-sse-inst pxor #x66 #xef) (define-regular-sse-inst xorpd #x66 #x57) (define-regular-sse-inst xorps nil #x57) ;; comparison (define-regular-sse-inst comisd #x66 #x2f) (define-regular-sse-inst comiss nil #x2f) + (define-regular-sse-inst ucomisd #x66 #x2e) + (define-regular-sse-inst ucomiss nil #x2e) + ;; integer comparison + (define-regular-sse-inst pcmpeqb #x66 #x74) + (define-regular-sse-inst pcmpeqw #x66 #x75) + (define-regular-sse-inst pcmpeqd #x66 #x76) + (define-regular-sse-inst pcmpgtb #x66 #x64) + (define-regular-sse-inst pcmpgtw #x66 #x65) + (define-regular-sse-inst pcmpgtd #x66 #x66) + ;; max/min + (define-regular-sse-inst maxpd #x66 #x5f) + (define-regular-sse-inst maxps nil #x5f) + (define-regular-sse-inst maxsd #xf2 #x5f) + (define-regular-sse-inst maxss #xf3 #x5f) + (define-regular-sse-inst minpd #x66 #x5d) + (define-regular-sse-inst minps nil #x5d) + (define-regular-sse-inst minsd #xf2 #x5d) + (define-regular-sse-inst minss #xf3 #x5d) + ;; integer max/min + (define-regular-sse-inst pmaxsw #x66 #xee) + (define-regular-sse-inst pmaxub #x66 #xde) + (define-regular-sse-inst pminsw #x66 #xea) + (define-regular-sse-inst pminub #x66 #xda) ;; arithmetic + (define-regular-sse-inst addpd #x66 #x58) + (define-regular-sse-inst addps nil #x58) (define-regular-sse-inst addsd #xf2 #x58) (define-regular-sse-inst addss #xf3 #x58) + (define-regular-sse-inst divpd #x66 #x5e) + (define-regular-sse-inst divps nil #x5e) (define-regular-sse-inst divsd #xf2 #x5e) (define-regular-sse-inst divss #xf3 #x5e) + (define-regular-sse-inst mulpd #x66 #x59) + (define-regular-sse-inst mulps nil #x59) (define-regular-sse-inst mulsd #xf2 #x59) (define-regular-sse-inst mulss #xf3 #x59) - (define-regular-sse-inst subsd #xf2 #x5c) - (define-regular-sse-inst subss #xf3 #x5c) + (define-regular-sse-inst rcpps nil #x53) + (define-regular-sse-inst rcpss #xf3 #x53) + (define-regular-sse-inst rsqrtps nil #x52) + (define-regular-sse-inst rsqrtss #xf3 #x52) + (define-regular-sse-inst sqrtpd #x66 #x51) + (define-regular-sse-inst sqrtps nil #x51) (define-regular-sse-inst sqrtsd #xf2 #x51) (define-regular-sse-inst sqrtss #xf3 #x51) + (define-regular-sse-inst subpd #x66 #x5c) + (define-regular-sse-inst subps nil #x5c) + (define-regular-sse-inst subsd #xf2 #x5c) + (define-regular-sse-inst subss #xf3 #x5c) + (define-regular-sse-inst unpckhpd #x66 #x15) + (define-regular-sse-inst unpckhps nil #x15) + (define-regular-sse-inst unpcklpd #x66 #x14) + (define-regular-sse-inst unpcklps nil #x14) + ;; integer arithmetic + (define-regular-sse-inst paddb #x66 #xfc) + (define-regular-sse-inst paddw #x66 #xfd) + (define-regular-sse-inst paddd #x66 #xfe) + (define-regular-sse-inst paddq #x66 #xd4) + (define-regular-sse-inst paddsb #x66 #xec) + (define-regular-sse-inst paddsw #x66 #xed) + (define-regular-sse-inst paddusb #x66 #xdc) + (define-regular-sse-inst paddusw #x66 #xdd) + (define-regular-sse-inst pavgb #x66 #xe0) + (define-regular-sse-inst pavgw #x66 #xe3) + (define-regular-sse-inst pmaddwd #x66 #xf5) + (define-regular-sse-inst pmulhuw #x66 #xe4) + (define-regular-sse-inst pmulhw #x66 #xe5) + (define-regular-sse-inst pmullw #x66 #xd5) + (define-regular-sse-inst pmuludq #x66 #xf4) + (define-regular-sse-inst psadbw #x66 #xf6) + (define-regular-sse-inst psllw #x66 #xf1) + (define-regular-sse-inst pslld #x66 #xf2) + (define-regular-sse-inst psllq #x66 #xf3) + (define-regular-sse-inst psraw #x66 #xe1) + (define-regular-sse-inst psrad #x66 #xe2) + (define-regular-sse-inst psrlw #x66 #xd1) + (define-regular-sse-inst psrld #x66 #xd2) + (define-regular-sse-inst psrlq #x66 #xd3) + (define-regular-sse-inst psubb #x66 #xf8) + (define-regular-sse-inst psubw #x66 #xf9) + (define-regular-sse-inst psubd #x66 #xfa) + (define-regular-sse-inst psubq #x66 #xfb) + (define-regular-sse-inst psubsb #x66 #xe8) + (define-regular-sse-inst psubsw #x66 #xe9) + (define-regular-sse-inst psubusb #x66 #xd8) + (define-regular-sse-inst psubusw #x66 #xd9) ;; conversion + (define-regular-sse-inst cvtdq2pd #xf3 #xe6) + (define-regular-sse-inst cvtdq2ps nil #x5b) + (define-regular-sse-inst cvtpd2dq #xf2 #xe6) + (define-regular-sse-inst cvtpd2ps #x66 #x5a) + (define-regular-sse-inst cvtps2dq #x66 #x5b) + (define-regular-sse-inst cvtps2pd nil #x5a) (define-regular-sse-inst cvtsd2ss #xf2 #x5a) (define-regular-sse-inst cvtss2sd #xf3 #x5a) - (define-regular-sse-inst cvtdq2pd #xf3 #xe6) - (define-regular-sse-inst cvtdq2ps nil #x5b)) + (define-regular-sse-inst cvttpd2dq #x66 #xe6) + (define-regular-sse-inst cvttps2dq #xf3 #x5b) + ;; integer + (define-regular-sse-inst packsswb #x66 #x63) + (define-regular-sse-inst packssdw #x66 #x6b) + (define-regular-sse-inst packuswb #x66 #x67) + (define-regular-sse-inst punpckhbw #x66 #x68) + (define-regular-sse-inst punpckhwd #x66 #x69) + (define-regular-sse-inst punpckhdq #x66 #x6a) + (define-regular-sse-inst punpckhqdq #x66 #x6d) + (define-regular-sse-inst punpcklbw #x66 #x60) + (define-regular-sse-inst punpcklwd #x66 #x61) + (define-regular-sse-inst punpckldq #x66 #x62) + (define-regular-sse-inst punpcklqdq #x66 #x6c)) + +(macrolet ((define-xmm-shuffle-sse-inst (name prefix opcode n-bits radix) + (let ((shuffle-pattern + (intern (format nil "SSE-SHUFFLE-PATTERN-~D-~D" + n-bits radix)))) + `(define-instruction ,name (segment dst src pattern) + (:printer-list + ',(sse-inst-printer-list + 'xmm-xmm/mem prefix opcode + :more-fields `((imm nil :type ,shuffle-pattern)) + :printer '(:name :tab reg ", " reg/mem ", " imm))) + + (:emitter + (aver (typep pattern '(unsigned-byte ,n-bits))) + (emit-regular-sse-inst segment dst src ,prefix ,opcode + :remaining-bytes 1) + (emit-byte segment pattern)))))) + (define-xmm-shuffle-sse-inst pshufd #x66 #x70 8 4) + (define-xmm-shuffle-sse-inst pshufhw #xf3 #x70 8 4) + (define-xmm-shuffle-sse-inst pshuflw #xf2 #x70 8 4) + (define-xmm-shuffle-sse-inst shufpd #x66 #xc6 2 2) + (define-xmm-shuffle-sse-inst shufps nil #xc6 8 4)) + +;; MASKMOVDQU (dst is DS:RDI) +(define-instruction maskmovdqu (segment src mask) + (:printer-list + (sse-inst-printer-list 'xmm-xmm/mem #x66 #xf7)) + (:emitter + (aver (xmm-register-p src)) + (aver (xmm-register-p mask)) + (emit-regular-sse-inst segment src mask #x66 #xf7))) + +(macrolet ((define-comparison-sse-inst (name prefix opcode + name-prefix name-suffix) + `(define-instruction ,name (segment op x y) + (:printer-list + ',(sse-inst-printer-list + 'xmm-xmm/mem prefix opcode + :more-fields '((imm nil :type sse-condition-code)) + :printer `(,name-prefix imm ,name-suffix + :tab reg ", " reg/mem))) + (:emitter + (let ((code (position op *sse-conditions*))) + (aver code) + (emit-regular-sse-inst segment x y ,prefix ,opcode + :remaining-bytes 1) + (emit-byte segment code)))))) + (define-comparison-sse-inst cmppd #x66 #xc2 "CMP" "PD") + (define-comparison-sse-inst cmpps nil #xc2 "CMP" "PS") + (define-comparison-sse-inst cmpsd #xf2 #xc2 "CMP" "SD") + (define-comparison-sse-inst cmpss #xf3 #xc2 "CMP" "SS")) ;;; MOVSD, MOVSS (macrolet ((define-movsd/ss-sse-inst (name prefix) `(define-instruction ,name (segment dst src) - (:printer ext-xmm-xmm/mem-dir ((prefix ,prefix) - (op #b0001000))) - (:printer ext-rex-xmm-xmm/mem-dir ((prefix ,prefix) - (op #b0001000))) + (:printer-list + ',(sse-inst-printer-list 'xmm-xmm/mem-dir + prefix #b0001000)) (:emitter (cond ((xmm-register-p dst) (emit-sse-inst segment dst src ,prefix #x10 @@ -2883,14 +3288,66 @@ (define-movsd/ss-sse-inst movsd #xf2) (define-movsd/ss-sse-inst movss #xf3)) +;;; Packed MOVs +(macrolet ((define-mov-sse-inst (name prefix opcode-from opcode-to + &key force-to-mem reg-reg-name) + `(progn + ,(when reg-reg-name + `(define-instruction ,reg-reg-name (segment dst src) + (:emitter + (aver (xmm-register-p dst)) + (aver (xmm-register-p src)) + (emit-regular-sse-inst segment dst src + ,prefix ,opcode-from)))) + (define-instruction ,name (segment dst src) + (:printer-list + '(,@(when opcode-from + (sse-inst-printer-list + 'xmm-xmm/mem prefix opcode-from)) + ,@(sse-inst-printer-list + 'xmm-xmm/mem prefix opcode-to + :printer '(:name :tab reg/mem ", " reg)))) + (:emitter + (cond ,@(when opcode-from + `(((xmm-register-p dst) + ,(when force-to-mem + `(aver (not (or (register-p src) + (xmm-register-p src))))) + (emit-regular-sse-inst + segment dst src ,prefix ,opcode-from)))) + (t + (aver (xmm-register-p src)) + ,(when force-to-mem + `(aver (not (or (register-p dst) + (xmm-register-p dst))))) + (emit-regular-sse-inst segment src dst + ,prefix ,opcode-to)))))))) + ;; direction bit? + (define-mov-sse-inst movapd #x66 #x28 #x29) + (define-mov-sse-inst movaps nil #x28 #x29) + (define-mov-sse-inst movdqa #x66 #x6f #x7f) + (define-mov-sse-inst movdqu #xf3 #x6f #x7f) + + ;; streaming + (define-mov-sse-inst movntdq #x66 nil #xe7 :force-to-mem t) + (define-mov-sse-inst movntpd #x66 nil #x2b :force-to-mem t) + (define-mov-sse-inst movntps nil nil #x2b :force-to-mem t) + + ;; use movhps for movlhps and movlps for movhlps + (define-mov-sse-inst movhpd #x66 #x16 #x17 :force-to-mem t) + (define-mov-sse-inst movhps nil #x16 #x17 :reg-reg-name movlhps) + (define-mov-sse-inst movlpd #x66 #x12 #x13 :force-to-mem t) + (define-mov-sse-inst movlps nil #x12 #x13 :reg-reg-name movhlps) + (define-mov-sse-inst movupd #x66 #x10 #x11) + (define-mov-sse-inst movups nil #x10 #x11)) + ;;; MOVQ (define-instruction movq (segment dst src) - (:printer ext-xmm-xmm/mem ((prefix #xf3) (op #x7e))) - (:printer ext-rex-xmm-xmm/mem ((prefix #xf3) (op #x7e))) - (:printer ext-xmm-xmm/mem ((prefix #x66) (op #xd6)) - '(:name :tab reg/mem ", " reg)) - (:printer ext-rex-xmm-xmm/mem ((prefix #x66) (op #xd6)) - '(:name :tab reg/mem ", " reg)) + (:printer-list + (append + (sse-inst-printer-list 'xmm-xmm/mem #xf3 #x7e) + (sse-inst-printer-list 'xmm-xmm/mem #x66 #xd6 + :printer '(:name :tab reg/mem ", " reg)))) (:emitter (cond ((xmm-register-p dst) (emit-sse-inst segment dst src #xf3 #x7e @@ -2909,12 +3366,11 @@ ;;; with zero extension or vice versa. ;;; We do not support the MMX version of this instruction. (define-instruction movd (segment dst src) - (:printer ext-xmm-reg/mem ((prefix #x66) (op #x6e))) - (:printer ext-rex-xmm-reg/mem ((prefix #x66) (op #x6e))) - (:printer ext-xmm-reg/mem ((prefix #x66) (op #x7e)) - '(:name :tab reg/mem ", " reg)) - (:printer ext-rex-xmm-reg/mem ((prefix #x66) (op #x7e)) - '(:name :tab reg/mem ", " reg)) + (:printer-list + (append + (sse-inst-printer-list 'xmm-reg/mem #x66 #x6e) + (sse-inst-printer-list 'xmm-reg/mem #x66 #x7e + :printer '(:name :tab reg/mem ", " reg)))) (:emitter (cond ((xmm-register-p dst) (emit-sse-inst segment dst src #x66 #x6e)) @@ -2922,29 +3378,69 @@ (aver (xmm-register-p src)) (emit-sse-inst segment src dst #x66 #x7e))))) -(macrolet ((define-integer-source-sse-inst (name prefix opcode) +(define-instruction pinsrw (segment dst src imm) + (:printer-list + (sse-inst-printer-list + 'xmm-reg/mem #x66 #xc4 + :more-fields '((imm nil :type imm-byte)) + :printer '(:name :tab reg ", " reg/mem ", " imm))) + (:emitter + (aver (xmm-register-p dst)) + (let ((src-size (operand-size src))) + (aver (or (not (register-p src)) + (eq src-size :qword) (eq src-size :dword))) + (emit-sse-inst segment dst src #x66 #xc4 + :operand-size (if (register-p src) src-size :do-not-set) + :remaining-bytes 1)) + (emit-byte segment imm))) + +(define-instruction pextrw (segment dst src imm) + (:printer-list + (sse-inst-printer-list + 'reg-xmm/mem #x66 #xc5 + :more-fields '((imm nil :type imm-byte)) + :printer '(:name :tab reg ", " reg/mem ", " imm))) + (:emitter + (aver (xmm-register-p src)) + (aver (register-p dst)) + (let ((dst-size (operand-size dst))) + (aver (or (eq dst-size :qword) (eq dst-size :dword))) + (emit-sse-inst segment dst src #x66 #xc5 + :operand-size dst-size + :remaining-bytes 1)) + (emit-byte segment imm))) + +(macrolet ((define-integer-source-sse-inst (name prefix opcode &key mem-only) `(define-instruction ,name (segment dst src) - (:printer ext-xmm-reg/mem ((prefix ,prefix) (op ,opcode))) - (:printer ext-rex-xmm-reg/mem ((prefix ,prefix) (op ,opcode))) + (:printer-list + ',(sse-inst-printer-list 'xmm-reg/mem prefix opcode)) (:emitter (aver (xmm-register-p dst)) + ,(when mem-only + `(aver (not (or (register-p src) + (xmm-register-p src))))) (let ((src-size (operand-size src))) (aver (or (eq src-size :qword) (eq src-size :dword)))) (emit-sse-inst segment dst src ,prefix ,opcode))))) (define-integer-source-sse-inst cvtsi2sd #xf2 #x2a) - (define-integer-source-sse-inst cvtsi2ss #xf3 #x2a)) + (define-integer-source-sse-inst cvtsi2ss #xf3 #x2a) + ;; FIXME: memory operand is always a QWORD + (define-integer-source-sse-inst cvtpi2pd #x66 #x2a :mem-only t) + (define-integer-source-sse-inst cvtpi2ps nil #x2a :mem-only t)) ;;; Instructions having a general-purpose register as the destination ;;; operand and an XMM register or a memory location as the source ;;; operand. The operand size is calculated from the destination ;;; operand. -(macrolet ((define-gpr-destination-sse-inst (name prefix opcode) +(macrolet ((define-gpr-destination-sse-inst (name prefix opcode &key reg-only) `(define-instruction ,name (segment dst src) - (:printer ext-reg-xmm/mem ((prefix ,prefix) (op ,opcode))) - (:printer ext-rex-reg-xmm/mem ((prefix ,prefix) (op ,opcode))) + (:printer-list + ',(sse-inst-printer-list 'reg-xmm/mem prefix opcode)) (:emitter (aver (register-p dst)) + ,(when reg-only + `(aver (xmm-register-p src))) (let ((dst-size (operand-size dst))) (aver (or (eq dst-size :qword) (eq dst-size :dword))) (emit-sse-inst segment dst src ,prefix ,opcode @@ -2952,18 +3448,205 @@ (define-gpr-destination-sse-inst cvtsd2si #xf2 #x2d) (define-gpr-destination-sse-inst cvtss2si #xf3 #x2d) (define-gpr-destination-sse-inst cvttsd2si #xf2 #x2c) - (define-gpr-destination-sse-inst cvttss2si #xf3 #x2c)) + (define-gpr-destination-sse-inst cvttss2si #xf3 #x2c) + (define-gpr-destination-sse-inst movmskpd #x66 #x50 :reg-only t) + (define-gpr-destination-sse-inst movmskps nil #x50 :reg-only t) + (define-gpr-destination-sse-inst pmovmskb #x66 #xd7 :reg-only t)) ;;; Other SSE instructions +;; FIXME: is that right!? +(define-instruction movnti (segment dst src) + (:printer ext-reg-reg/mem-no-width ((op #xc3))) + (:printer rex-ext-reg-reg/mem-no-width ((op #xc3))) + (:emitter + (aver (not (or (register-p dst) + (xmm-register-p dst)))) + (aver (register-p src)) + (maybe-emit-rex-for-ea segment src dst) + (emit-byte segment #x0f) + (emit-byte segment #xc3) + (emit-ea segment dst (reg-tn-encoding src)))) + +(define-instruction prefetch (segment type src) + (:printer ext-reg/mem-no-width ((op '(#x18 0))) + '("PREFETCHNTA" :tab reg/mem)) + (:printer ext-reg/mem-no-width ((op '(#x18 1))) + '("PREFETCHT0" :tab reg/mem)) + (:printer ext-reg/mem-no-width ((op '(#x18 2))) + '("PREFETCHT1" :tab reg/mem)) + (:printer ext-reg/mem-no-width ((op '(#x18 3))) + '("PREFETCHT2" :tab reg/mem)) + (:printer rex-ext-reg/mem-no-width ((op '(#x18 0))) + '("PREFETCHNTA" :tab reg/mem)) + (:printer rex-ext-reg/mem-no-width ((op '(#x18 1))) + '("PREFETCHT0" :tab reg/mem)) + (:printer rex-ext-reg/mem-no-width ((op '(#x18 2))) + '("PREFETCHT1" :tab reg/mem)) + (:printer rex-ext-reg/mem-no-width ((op '(#x18 3))) + '("PREFETCHT2" :tab reg/mem)) + (:emitter + (aver (not (or (register-p src) + (xmm-register-p src)))) + (aver (eq (operand-size src) :byte)) + (let ((type (position type #(:nta :t0 :t1 :t2)))) + (aver type) + (maybe-emit-rex-for-ea segment src nil) + (emit-byte segment #x0f) + (emit-byte segment #x18) + (emit-ea segment src type)))) + +(define-instruction clflush (segment src) + (:printer ext-reg/mem-no-width ((op '(#xae 7)))) + (:printer rex-ext-reg/mem-no-width ((op '(#xae 7)))) + (:emitter + (aver (not (or (register-p src) + (xmm-register-p src)))) + (aver (eq (operand-size src) :byte)) + (maybe-emit-rex-for-ea segment src nil) + (emit-byte segment #x0f) + (emit-byte segment #xae) + (emit-ea segment src 7))) + +(macrolet ((define-fence-instruction (name last-byte) + `(define-instruction ,name (segment) + (:printer three-bytes ((op '(#x0f #xae ,last-byte)))) + (:emitter + (emit-byte segment #x0f) + (emit-byte segment #xae) + (emit-byte segment ,last-byte))))) + (define-fence-instruction lfence #b11101000) + (define-fence-instruction mfence #b11110000) + (define-fence-instruction sfence #b11111000)) + +(define-instruction pause (segment) + (:printer two-bytes ((op '(#xf3 #x90)))) + (:emitter + (emit-byte segment #xf3) + (emit-byte segment #x90))) + (define-instruction ldmxcsr (segment src) + (:printer ext-reg/mem-no-width ((op '(#xae 2)))) + (:printer rex-ext-reg/mem-no-width ((op '(#xae 2)))) (:emitter + (aver (not (or (register-p src) + (xmm-register-p src)))) + (aver (eq (operand-size src) :dword)) + (maybe-emit-rex-for-ea segment src nil) (emit-byte segment #x0f) (emit-byte segment #xae) (emit-ea segment src 2))) (define-instruction stmxcsr (segment dst) + (:printer ext-reg/mem-no-width ((op '(#xae 3)))) + (:printer rex-ext-reg/mem-no-width ((op '(#xae 3)))) (:emitter + (aver (not (or (register-p dst) + (xmm-register-p dst)))) + (aver (eq (operand-size dst) :dword)) + (maybe-emit-rex-for-ea segment dst nil) (emit-byte segment #x0f) (emit-byte segment #xae) (emit-ea segment dst 3))) + +;;;; Miscellany + +(define-instruction cpuid (segment) + (:printer two-bytes ((op '(#b00001111 #b10100010)))) + (:emitter + (emit-byte segment #b00001111) + (emit-byte segment #b10100010))) + +(define-instruction rdtsc (segment) + (:printer two-bytes ((op '(#b00001111 #b00110001)))) + (: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))))))