1.0.24.34: IR2: additional representation for predicates, conditional moves

[sbcl.git] / src / compiler / x86 / pred.lisp

diff --git a/src/compiler/x86/pred.lisp b/src/compiler/x86/pred.lisp
index e83f65f..e756b3b 100644 (file)
--- a/src/compiler/x86/pred.lisp
+++ b/src/compiler/x86/pred.lisp
@@ -21,6 +21,23 @@
     (inst jmp dest)))
 
 \f
+;;;; Generic conditional VOPs
+
+;;; The generic conditional branch, emitted immediately after test
+;;; VOPs that only set flags.
+
+(define-vop (branch-if)
+  (:info dest flags not-p)
+  (:ignore dest flags not-p)
+  (:generator 0
+     (error "BRANCH-IF not yet implemented")))
+
+(!def-vm-support-routine
+    convert-conditional-move-p (node dst-tn x-tn y-tn)
+  (declare (ignore node dst-tn x-tn y-tn))
+  nil)
+
+\f
 ;;;; conditional VOPs
 
 ;;; Note: a constant-tn is allowed in CMP; it uses an EA displacement,