X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Finsts.lisp;h=514f11698c2beed00de199de7be6a198f14fafdc;hb=22b819c0cd0ca0ea5be52ba280b9e9e0b8e86210;hp=4b82210c9bf007319e3d67da04f0ded6bf3f2ead;hpb=b062a0cffdc3e1706a67c487d2bc5e406c104893;p=sbcl.git

diff --git a/src/compiler/x86/insts.lisp b/src/compiler/x86/insts.lisp
index 4b82210..514f116 100644
--- a/src/compiler/x86/insts.lisp
+++ b/src/compiler/x86/insts.lisp
@@ -108,6 +108,14 @@
       (print-byte-reg value stream dstate)
       (print-mem-access value stream t dstate)))
 
+(defun print-word-reg/mem (value stream dstate)
+  (declare (type (or list reg) value)
+	   (type stream stream)
+	   (type sb!disassem:disassem-state dstate))
+  (if (typep value 'reg)
+      (print-word-reg value stream dstate)
+      (print-mem-access value stream nil dstate)))
+
 (defun print-label (value stream dstate)
   (declare (ignore dstate))
   (sb!disassem:princ16 value stream))
@@ -273,9 +281,12 @@
 (sb!disassem:define-arg-type byte-reg/mem
   :prefilter #'prefilter-reg/mem
   :printer #'print-byte-reg/mem)
+(sb!disassem:define-arg-type word-reg/mem
+  :prefilter #'prefilter-reg/mem
+  :printer #'print-word-reg/mem)
 
 ;;; added by jrd
-(eval-when (:compile-toplevel :load-toplevel :execute)
+(eval-when (#-sb-xc :compile-toplevel :load-toplevel :execute)
 (defun print-fp-reg (value stream dstate)
   (declare (ignore dstate))
   (format stream "FR~D" value))
@@ -470,6 +481,12 @@
 	   			:type 'sized-reg/mem)
   ;; optional fields
   (imm))
+
+(sb!disassem:define-instruction-format (ext-reg/mem-imm 24
+                                        :include 'ext-reg/mem
+					:default-printer
+                                        '(:name :tab reg/mem ", " imm))
+  (imm :type 'imm-data))
 
 ;;;; This section was added by jrd, for fp instructions.
 
@@ -1036,6 +1053,11 @@
      (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.
@@ -1114,7 +1136,7 @@
      ((integerp src)
       (cond ((and (not (eq size :byte)) (<= -128 src 127))
 	     (emit-byte segment #b10000011)
-	     (emit-ea segment dst opcode)
+	     (emit-ea segment dst opcode allow-constants)
 	     (emit-byte segment src))
 	    ((accumulator-p dst)
 	     (emit-byte segment
@@ -1126,7 +1148,7 @@
 	     (emit-sized-immediate segment size src))
 	    (t
 	     (emit-byte segment (if (eq size :byte) #b10000000 #b10000001))
-	     (emit-ea segment dst opcode)
+	     (emit-ea segment dst opcode allow-constants)
 	     (emit-sized-immediate segment size src))))
      ((register-p src)
       (emit-byte segment
@@ -1573,6 +1595,7 @@
 ;;;; bit manipulation
 
 (define-instruction bsf (segment dst src)
+  (:printer ext-reg-reg/mem ((op #b1011110) (width 0)))
   (:emitter
    (let ((size (matching-operand-size dst src)))
      (when (eq size :byte)
@@ -1583,6 +1606,7 @@
      (emit-ea segment src (reg-tn-encoding dst)))))
 
 (define-instruction bsr (segment dst src)
+  (:printer ext-reg-reg/mem ((op #b1011110) (width 1)))
   (:emitter
    (let ((size (matching-operand-size dst src)))
      (when (eq size :byte)
@@ -1606,19 +1630,33 @@
 	   (emit-byte segment (dpb opcode (byte 3 3) #b10000011))
 	   (emit-ea segment src (reg-tn-encoding index))))))
 
+(eval-when (:compile-toplevel :execute)
+  (defun bit-test-inst-printer-list (subop)
+    `((ext-reg/mem-imm ((op (#b1011101 ,subop))
+                        (reg/mem nil :type word-reg/mem)
+                        (imm nil :type imm-data)
+                        (width 0)))
+      (ext-reg-reg/mem ((op ,(dpb subop (byte 3 2) #b1000001))
+                        (width 1))
+                       (:name :tab reg/mem ", " reg)))))
+
 (define-instruction bt (segment src index)
+  (:printer-list (bit-test-inst-printer-list #b100))
   (:emitter
    (emit-bit-test-and-mumble segment src index #b100)))
 
 (define-instruction btc (segment src index)
+  (:printer-list (bit-test-inst-printer-list #b111))
   (:emitter
    (emit-bit-test-and-mumble segment src index #b111)))
 
 (define-instruction btr (segment src index)
+  (:printer-list (bit-test-inst-printer-list #b110))
   (:emitter
    (emit-bit-test-and-mumble segment src index #b110)))
 
 (define-instruction bts (segment src index)
+  (:printer-list (bit-test-inst-printer-list #b101))
   (:emitter
    (emit-bit-test-and-mumble segment src index #b101)))