Modify comments to match the compiler and cmpaux-hppa.h

diff --git a/v7/src/microcode/cmpintmd/hppa.h b/v7/src/microcode/cmpintmd/hppa.h
index 7e5908935edcaca9b8f399361184866c9952bc71..3c388d8376883b6c65022b23eab989a82c2aa35a 100644 (file)
--- a/v7/src/microcode/cmpintmd/hppa.h
+++ b/v7/src/microcode/cmpintmd/hppa.h
@@ -30,7 +30,7 @@ Technology nor of any adaptation thereof in any advertising,
 promotional, or sales literature without prior written consent from
 MIT in each case. */
 
-/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/cmpintmd/hppa.h,v 1.9 1989/12/03 13:09:30 jinx Exp $
+/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/cmpintmd/hppa.h,v 1.10 1989/12/06 10:56:13 jinx Exp $
  *
  * Compiled code interface macros.
  *
@@ -229,18 +229,14 @@ procedures and continuations differ from closures) */
   For a closure
 
   DEPI         tc_closure>>1,4,5,31
-  STWS,MB      31,-4(0,Rstack)
-  COMBT,>=,N   Rfree,Rmemtop,interrupt
-
-  Where interrupt must be downstream so that the following instruction
-  is nullified on a failing forward branch.
-
-  After those instructions, we must have
-
+  STWM         31,-4(0,Rstack)
+  COMB,>=      Rfree,Rmemtop,interrupt
   LDW          0(0,Regs),Rmemtop
 
-  until the interrupt handler is changed to do this at interrupt time.
-  While the nullification is currently spurious, it will not be later.
+  The LDW can be eliminated once the C interrupt handler is changed to
+  update Rmemtop directly.  At that point, the instruction following the
+  COMB instruction will have to be nullified whenever the interrupt
+  branch is processed.
 
  */
 
@@ -255,7 +251,7 @@ procedures and continuations differ from closures) */
 
    LDIL                L'target,26
    BLE         R'target(5,26)
-   SUBI                12,31,31
+   ADDI                -12,31,31
  */
 
 #define COMPILED_CLOSURE_ENTRY_SIZE     16

diff --git a/v8/src/microcode/cmpintmd/hppa.h b/v8/src/microcode/cmpintmd/hppa.h
index edb91f790de5e4d5734fafaeedfd57b1c7a8e86c..17fedda70838513ed3134e4a5ec4544e454936c8 100644 (file)
--- a/v8/src/microcode/cmpintmd/hppa.h
+++ b/v8/src/microcode/cmpintmd/hppa.h
@@ -30,7 +30,7 @@ Technology nor of any adaptation thereof in any advertising,
 promotional, or sales literature without prior written consent from
 MIT in each case. */
 
-/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v8/src/microcode/cmpintmd/hppa.h,v 1.9 1989/12/03 13:09:30 jinx Exp $
+/* $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v8/src/microcode/cmpintmd/hppa.h,v 1.10 1989/12/06 10:56:13 jinx Exp $
  *
  * Compiled code interface macros.
  *
@@ -229,18 +229,14 @@ procedures and continuations differ from closures) */
   For a closure
 
   DEPI         tc_closure>>1,4,5,31
-  STWS,MB      31,-4(0,Rstack)
-  COMBT,>=,N   Rfree,Rmemtop,interrupt
-
-  Where interrupt must be downstream so that the following instruction
-  is nullified on a failing forward branch.
-
-  After those instructions, we must have
-
+  STWM         31,-4(0,Rstack)
+  COMB,>=      Rfree,Rmemtop,interrupt
   LDW          0(0,Regs),Rmemtop
 
-  until the interrupt handler is changed to do this at interrupt time.
-  While the nullification is currently spurious, it will not be later.
+  The LDW can be eliminated once the C interrupt handler is changed to
+  update Rmemtop directly.  At that point, the instruction following the
+  COMB instruction will have to be nullified whenever the interrupt
+  branch is processed.
 
  */
 
@@ -255,7 +251,7 @@ procedures and continuations differ from closures) */
 
    LDIL                L'target,26
    BLE         R'target(5,26)
-   SUBI                12,31,31
+   ADDI                -12,31,31
  */
 
 #define COMPILED_CLOSURE_ENTRY_SIZE     16