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SPLIT_MOVEL_PD now affects movem too

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@241 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-08 20:04:20 +00:00
parent 7a7c6476f3
commit e28a980fb7
4 changed files with 23 additions and 11 deletions
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17
cpu/Cyclone/OpMove.cpp
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@ -415,12 +415,21 @@ int OpMovem(int op)
}
else
{
// if (size == 2 && decr && SPLIT_MOVEL_PD) we should do 2xWrite16 here
// (same as in movel.l ?, -(An)), but as this is not likely to be needed and
// we do not want the performance hit, we do single Write32 instead.
ot(" ;@ Copy register to memory:\n",1<<size);
ot(" ldr r1,[r7,r10] ;@ Load value from Dn/An\n");
EaWrite(6,1,ea,size,0x003f);
#if SPLIT_MOVEL_PD
if (decr && size==2) { // -(An)
ot(" add r0,r6,#2\n");
EaWrite(0,1,ea,1,0x003f,0,0);
ot(" ldr r1,[r7,r10] ;@ Load value from Dn/An\n");
ot(" mov r0,r6\n");
EaWrite(0,1,ea,1,0x003f,1);
}
else
#endif
{
EaWrite(6,1,ea,size,0x003f);
}
}
if (decr==0) ot(" add r6,r6,#%d ;@ Post-increment address\n",1<<size);