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2003-09-09 Dave Brolley <brolley@redhat.com>

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* frv.c (do_media_average): Select machine using a switch.
This commit is contained in:
Dave Brolley 2003-09-09 22:28:33 +00:00
parent 964869950a
commit f9e18f5a11
2 changed files with 13 additions and 3 deletions
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4
sim/frv/ChangeLog
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@ -1,3 +1,7 @@
2003-09-09 Dave Brolley <brolley@redhat.com>
* frv.c (do_media_average): Select machine using a switch.
2003-09-08 Dave Brolley <brolley@redhat.com>
On behalf of Doug Evans <dje@sebabeach.org>

12
sim/frv/frv.c
View File

@ -1,5 +1,5 @@
/* frv simulator support code
Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of the GNU simulators.
@ -1049,14 +1049,17 @@ do_media_average (SIM_CPU *current_cpu, HI arg1, HI arg2)
SIM_DESC sd = CPU_STATE (current_cpu);
SI sum = (arg1 + arg2);
HI result = sum >> 1;
int rounding_value;
/* On fr400, check the rounding mode. On other machines rounding is always
toward negative infinity and the result is already correctly rounded. */
if (STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr400)
switch (STATE_ARCHITECTURE (sd)->mach)
{
/* Need to check rounding mode. */
case bfd_mach_fr400:
/* Check whether rounding will be required. Rounding will be required
if the sum is an odd number. */
int rounding_value = sum & 1;
rounding_value = sum & 1;
if (rounding_value)
{
USI msr0 = GET_MSR (0);
@ -1098,6 +1101,9 @@ do_media_average (SIM_CPU *current_cpu, HI arg1, HI arg2)
++result;
}
}
break;
default:
break;
}
return result;