implement xorR and xorC

This commit is contained in:
Joel Dice 2009-03-01 12:40:49 -07:00
parent 97e698d806
commit 36196910ed

View File

@ -88,7 +88,10 @@ inline int andi(int rt, int ra, int i) { return D(28, ra, rt, i); }
inline int andis(int rt, int ra, int i) { return D(29, ra, rt, i); }
inline int or_(int rt, int ra, int rb) { return X(31, ra, rt, rb, 444, 0); }
inline int ori(int rt, int ra, int i) { return D(24, rt, ra, i); }
inline int xor_(int rt, int ra, int rb) { return X(31, ra, rt, rb, 316, 0); }
inline int oris(int rt, int ra, int i) { return D(25, rt, ra, i); }
inline int xori(int rt, int ra, int i) { return D(26, rt, ra, i); }
inline int xoris(int rt, int ra, int i) { return D(27, rt, ra, i); }
inline int rlwinm(int rt, int ra, int i, int mb, int me) { return M(21, ra, rt, i, mb, me, 0); }
inline int rlwimi(int rt, int ra, int i, int mb, int me) { return M(20, ra, rt, i, mb, me, 0); }
inline int slw(int rt, int ra, int sh) { return X(31, ra, rt, sh, 21, 0); }
@ -1076,6 +1079,48 @@ orC(Context* c, unsigned size, Assembler::Constant* a,
}
}
void
xorR(Context* c, unsigned size, Assembler::Register* a,
Assembler::Register* b, Assembler::Register* dst)
{
if (size == 8) {
Assembler::Register ah(a->high);
Assembler::Register bh(b->high);
Assembler::Register dh(dst->high);
xorR(c, 4, a, b, dst);
xorR(c, 4, &ah, &bh, &dh);
} else {
issue(c, xor_(dst->low, a->low, b->low));
}
}
void
xorC(Context* c, unsigned size, Assembler::Constant* a,
Assembler::Register* b, Assembler::Register* dst)
{
int64_t v = a->value->value();
if (size == 8) {
ResolvedPromise high((v >> 32) & 0xFFFFFFFF);
Assembler::Constant ah(&high);
ResolvedPromise low(v & 0xFFFFFFFF);
Assembler::Constant al(&low);
Assembler::Register bh(b->high);
Assembler::Register dh(dst->high);
xorC(c, 4, &al, b, dst);
xorC(c, 4, &ah, &bh, &dh);
} else {
issue(c, xori(dst->low, b->low, v));
if (v >> 16) {
issue(c, xoris(dst->low, b->low, v >> 16));
}
}
}
void
moveAR(Context* c, unsigned srcSize, Assembler::Address* src,
unsigned dstSize, Assembler::Register* dst)
@ -1480,6 +1525,9 @@ populateTables(ArchitectureContext* c)
to[index(Or, C)] = CAST3(orC);
to[index(Or, R)] = CAST3(orR);
to[index(Xor, C)] = CAST3(xorC);
to[index(Xor, R)] = CAST3(xorR);
to[index(LongCompare, R)] = CAST3(longCompareR);
to[index(LongCompare, C)] = CAST3(longCompareC);
}