OpenE2K/binutils-gdb
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* simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move

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exception generation code to OP_6E01.
	(OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
	generation code.
PR 13550
This commit is contained in:
Fred Fish 1997-10-13 18:26:52 +00:00
parent b83093ff79
commit 1155e06e3f
2 changed files with 15 additions and 8 deletions
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7
sim/d10v/ChangeLog
View File

@ -1,3 +1,10 @@
Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
* simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
exception generation code to OP_6E01.
(OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
generation code.
Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
* simops.c (OP_6401): postdecrement on r15 is OK, remove exception.

16
sim/d10v/simops.c
View File

@ -2360,13 +2360,7 @@ OP_6E1F ()
void
OP_6A01 ()
{
trace_input ("st2w", OP_DREG, OP_POSTDEC, OP_VOID);
if ( OP[1] == 15 )
{
(*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
State.exception = SIGILL;
return;
}
trace_input ("st2w", OP_DREG, OP_POSTINC, OP_VOID);
SW (State.regs[OP[1]], State.regs[OP[0]]);
SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
INC_ADDR (State.regs[OP[1]],4);
@ -2377,7 +2371,13 @@ OP_6A01 ()
void
OP_6E01 ()
{
trace_input ("st2w", OP_DREG, OP_POSTINC, OP_VOID);
trace_input ("st2w", OP_DREG, OP_POSTDEC, OP_VOID);
if ( OP[1] == 15 )
{
(*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
State.exception = SIGILL;
return;
}
SW (State.regs[OP[1]], State.regs[OP[0]]);
SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
INC_ADDR (State.regs[OP[1]],-4);