import gdb-1999-08-02 snapshot

[deliverable/binutils-gdb.git] / sim / mips / interp.c

diff --git a/sim/mips/interp.c b/sim/mips/interp.c
index 3ee500195be72014faf6ed666dc84e1d0ef2b11f..49750081096360136d6bbae45746d3571fad3855 100644 (file)
--- a/sim/mips/interp.c
+++ b/sim/mips/interp.c
@@ -850,8 +850,17 @@ sim_store_register (sd,rn,memory,length)
       cpu->fpr_state[rn - FGRIDX] = fmt_uninterpreted;
       if (cpu->register_widths[rn] == 32)
        {
-         cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
-         return 4;
+         if (length == 8)
+           {
+             cpu->fgr[rn - FGRIDX] = 
+               (unsigned32) T2H_8 (*(unsigned64*)memory);
+             return 8;
+           }
+         else
+           {
+             cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
+             return 4;
+           }
        }
       else
        {
@@ -862,8 +871,17 @@ sim_store_register (sd,rn,memory,length)
 
   if (cpu->register_widths[rn] == 32)
     {
-      cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
-      return 4;
+      if (length == 8)
+       {
+         cpu->registers[rn] =
+           (unsigned32) T2H_8 (*(unsigned64*)memory);
+         return 8;
+       }
+      else
+       {
+         cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
+         return 4;
+       }
     }
   else
     {
@@ -903,8 +921,17 @@ sim_fetch_register (sd,rn,memory,length)
     {
       if (cpu->register_widths[rn] == 32)
        {
-         *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
-         return 4;
+         if (length == 8)
+           {
+             *(unsigned64*)memory =
+               H2T_8 ((unsigned32) (cpu->fgr[rn - FGRIDX]));
+             return 8;
+           }
+         else
+           {
+             *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
+             return 4;
+           }
        }
       else
        {
@@ -915,8 +942,17 @@ sim_fetch_register (sd,rn,memory,length)
 
   if (cpu->register_widths[rn] == 32)
     {
-      *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
-      return 4;
+      if (length == 8)
+       {
+         *(unsigned64*)memory =
+           H2T_8 ((unsigned32) (cpu->registers[rn]));
+         return 8;
+       }
+      else
+       {
+         *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
+         return 4;
+       }
     }
   else
     {