Changeset 41fa6f2 in mainline for arch/ia64/src/context.S

Timestamp:

2006-03-16T17:01:51Z (19 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

46579c66

Parents:

6eb103c

Message:

Itanium FPU Lazy context switching… but not so much tested

File:

• arch/ia64/src/context.S (modified) (2 diffs)

arch/ia64/src/context.S

@@ -105 +105 @@
          */
         mov loc2 = pr           ;;
-        st8 [in0] = loc2, 8
+        st8 [in0] = loc2, 16;; /*Next fpu registers should be spilled to 16B aligned address*/
+
+
+        stf.spill [in0]=f2,16;;
+        stf.spill [in0]=f3,16;;
+        stf.spill [in0]=f4,16;;
+        stf.spill [in0]=f5,16;;
+
+        stf.spill [in0]=f16,16;;
+        stf.spill [in0]=f17,16;;
+        stf.spill [in0]=f18,16;;
+        stf.spill [in0]=f19,16;;
+        stf.spill [in0]=f20,16;;
+        stf.spill [in0]=f21,16;;
+        stf.spill [in0]=f22,16;;
+        stf.spill [in0]=f23,16;;
+        stf.spill [in0]=f24,16;;
+        stf.spill [in0]=f25,16;;
+        stf.spill [in0]=f26,16;;
+        stf.spill [in0]=f27,16;;
+        stf.spill [in0]=f28,16;;
+        stf.spill [in0]=f29,16;;
+        stf.spill [in0]=f30,16;;
+        stf.spill [in0]=f31,16;;
+
         
         mov ar.unat = loc1
@@ -188 +212 @@
          * Restore predicate registers
          */
-        ld8 loc2 = [in0], 8     ;;
+        ld8 loc2 = [in0], 16    ;;
         mov pr = loc2, ~0
+        
+        ldf.fill f2=[in0],16;;
+        ldf.fill f3=[in0],16;;
+        ldf.fill f4=[in0],16;;
+        ldf.fill f5=[in0],16;;
+
+        ldf.fill f16=[in0],16;;
+        ldf.fill f17=[in0],16;;
+        ldf.fill f18=[in0],16;;
+        ldf.fill f19=[in0],16;;
+        ldf.fill f20=[in0],16;;
+        ldf.fill f21=[in0],16;;
+        ldf.fill f22=[in0],16;;
+        ldf.fill f23=[in0],16;;
+        ldf.fill f24=[in0],16;;
+        ldf.fill f25=[in0],16;;
+        ldf.fill f26=[in0],16;;
+        ldf.fill f27=[in0],16;;
+        ldf.fill f28=[in0],16;;
+        ldf.fill f29=[in0],16;;
+        ldf.fill f30=[in0],16;;
+        ldf.fill f31=[in0],16;;
+
+
         
         mov ar.unat = loc1