Add missing NOPs in branch-delay slots.

diff --git a/v7/src/microcode/cmpauxmd/mips.m4 b/v7/src/microcode/cmpauxmd/mips.m4
index 41ec007788519617ea105206becc802847262711..5706408ec58155843667750e3874bd60979382a9 100644 (file)
--- a/v7/src/microcode/cmpauxmd/mips.m4
+++ b/v7/src/microcode/cmpauxmd/mips.m4
@@ -1,7 +1,7 @@
 /* #define DEBUG_INTERFACE */
  ### -*-Midas-*-
  ###
- ###   $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/cmpauxmd/mips.m4,v 1.4 1991/07/12 23:14:52 cph Exp $
+ ###   $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/cmpauxmd/mips.m4,v 1.5 1992/07/30 15:07:46 jinx Exp $
  ###
  ###   Copyright (c) 1989-91 Massachusetts Institute of Technology
  ###
@@ -200,6 +200,7 @@ interface_to_scheme:
 #ifdef DEBUG_INTERFACE
        andi    $at,$free,3
        bne     $at,0,Bad_Free_Pointer
+       nop
 Continue_Past_Free_Problem:
 #endif
        jal     $31,$C_arg1             # Off to compiled code ...
@@ -273,6 +274,7 @@ scheme_to_interface:
        addi    $value,$value,20
        la      $12,Debug_Buffer_End
        bne     $12,$value,Store_Pointer_Back
+       nop
        la      $12,Debug_Buffer
        add     $value,$0,$12
 Store_Pointer_Back:
@@ -283,6 +285,7 @@ Store_Pointer_Back:
        addi    $value,$value,1
        sw      $value,Debug_Call_Count
        beq     $value,$12,Debug_Tight_Loop
+       nop
        .set    noat
 #endif
 after_overflow:
@@ -327,12 +330,12 @@ interface_to_C:
        .globl  Stack_Overflow_Detected
 Stack_Overflow_Detected:
        j       after_overflow
-       addi    $0,$0,0
+       nop
 
        .globl  Bad_Free_Pointer
 Bad_Free_Pointer:
        j       Continue_Past_Free_Problem
-       addi    $0,$0,0
+       nop
 #endif
 
        .globl  interface_initialize