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nvc0/ir: add emission of dadd/dmul/dmad opcodes, fix minmax 

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2014-07-06 23:36:32 -04:00
parent 88305dfd0b
commit fd0b1a4cbf
1 changed files with 63 additions and 3 deletions
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66
src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nvc0.cpp
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@ -92,11 +92,14 @@ private:
void emitUADD(const Instruction *);
void emitFADD(const Instruction *);
void emitDADD(const Instruction *);
void emitUMUL(const Instruction *);
void emitFMUL(const Instruction *);
void emitDMUL(const Instruction *);
void emitIMAD(const Instruction *);
void emitISAD(const Instruction *);
void emitFMAD(const Instruction *);
void emitDMAD(const Instruction *);
void emitMADSP(const Instruction *);
void emitNOT(Instruction *);
@ -522,6 +525,25 @@ CodeEmitterNVC0::emitFMAD(const Instruction *i)
}
}
void
CodeEmitterNVC0::emitDMAD(const Instruction *i)
{
bool neg1 = (i->src(0).mod ^ i->src(1).mod).neg();
emitForm_A(i, HEX64(20000000, 00000001));
if (i->src(2).mod.neg())
code[0] |= 1 << 8;
roundMode_A(i);
if (neg1)
code[0] |= 1 << 9;
assert(!i->saturate);
assert(!i->ftz);
}
void
CodeEmitterNVC0::emitFMUL(const Instruction *i)
{
@ -556,6 +578,23 @@ CodeEmitterNVC0::emitFMUL(const Instruction *i)
}
}
void
CodeEmitterNVC0::emitDMUL(const Instruction *i)
{
bool neg = (i->src(0).mod ^ i->src(1).mod).neg();
emitForm_A(i, HEX64(50000000, 00000001));
roundMode_A(i);
if (neg)
code[0] |= 1 << 9;
assert(!i->saturate);
assert(!i->ftz);
assert(!i->dnz);
assert(!i->postFactor);
}
void
CodeEmitterNVC0::emitUMUL(const Instruction *i)
{
@ -618,6 +657,19 @@ CodeEmitterNVC0::emitFADD(const Instruction *i)
}
}
void
CodeEmitterNVC0::emitDADD(const Instruction *i)
{
assert(i->encSize == 8);
emitForm_A(i, HEX64(48000000, 00000001));
roundMode_A(i);
assert(!i->saturate);
assert(!i->ftz);
emitNegAbs12(i);
if (i->op == OP_SUB)
code[0] ^= 1 << 8;
}
void
CodeEmitterNVC0::emitUADD(const Instruction *i)
{
@ -895,6 +947,8 @@ CodeEmitterNVC0::emitMINMAX(const Instruction *i)
else
if (!isFloatType(i->dType))
op |= isSignedType(i->dType) ? 0x23 : 0x03;
if (i->dType == TYPE_F64)
op |= 0x01;
emitForm_A(i, op);
emitNegAbs12(i);
@ -2242,20 +2296,26 @@ CodeEmitterNVC0::emitInstruction(Instruction *insn)
break;
case OP_ADD:
case OP_SUB:
if (isFloatType(insn->dType))
if (insn->dType == TYPE_F64)
emitDADD(insn);
else if (isFloatType(insn->dType))
emitFADD(insn);
else
emitUADD(insn);
break;
case OP_MUL:
if (isFloatType(insn->dType))
if (insn->dType == TYPE_F64)
emitDMUL(insn);
else if (isFloatType(insn->dType))
emitFMUL(insn);
else
emitUMUL(insn);
break;
case OP_MAD:
case OP_FMA:
if (isFloatType(insn->dType))
if (insn->dType == TYPE_F64)
emitDMAD(insn);
else if (isFloatType(insn->dType))
emitFMAD(insn);
else
emitIMAD(insn);