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target-ppc: convert PPC 440 instructions to TCG

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5836 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-30 17:26:29 +00:00
parent 1addc7c5a1
commit ef0d51af1e
5 changed files with 26 additions and 36 deletions
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25
target-ppc/op_helper.c
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@ -1999,24 +1999,39 @@ void do_store_403_pb (int num)
#endif
/* 440 specific */
void do_440_dlmzb (void)
target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_Rc)
{
target_ulong mask;
int i;
i = 1;
for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
if ((T0 & mask) == 0)
if ((high & mask) == 0) {
if (update_Rc) {
env->crf[0] = 0x4;
}
goto done;
}
i++;
}
for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
if ((T1 & mask) == 0)
break;
if ((low & mask) == 0) {
if (update_Rc) {
env->crf[0] = 0x8;
}
goto done;
}
i++;
}
if (update_Rc) {
env->crf[0] = 0x2;
}
done:
T0 = i;
env->xer = (env->xer & ~0x7F) | i;
if (update_Rc) {
env->crf[0] |= xer_so;
}
return i;
}
/*****************************************************************************/