(decode_opcode): RXO_branchrel is relative to the opcode's PC, not

the address following the opcode.
This commit is contained in:
DJ Delorie 2010-12-14 23:39:03 +00:00
parent 29cfc22f89
commit 45eb4d476d
2 changed files with 4 additions and 2 deletions

View File

@ -2,6 +2,8 @@
* rx.c (decode_opcode): For "MVFC PC,", use the address of the
opcode, not the address following the opcode.
(decode_opcode): RXO_branchrel is relative to the opcode's PC, not
the address following the opcode.
2010-11-11 DJ Delorie <dj@redhat.com>

View File

@ -1087,10 +1087,10 @@ decode_opcode ()
break;
case RXO_branchrel:
if (GS())
if (opcode->op[1].type == RX_Operand_None || GS())
{
int delta = GD();
regs.r_pc += delta;
regs.r_pc = opcode_pc + delta;
#ifdef CYCLE_ACCURATE
/* Note: specs say 3, chip says 2. */
if (delta >= 0 && delta < 16