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gk110/ir: add emission for OP_SUEAU, OP_SUBFM and OP_SUCLAMP

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Samuel Pitoiset 2016-04-19 01:37:44 +02:00
parent 1f8900a8e0
commit af5925209d
1 changed files with 87 additions and 0 deletions
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87
src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gk110.cpp
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@ -137,6 +137,8 @@ private:
void emitSULDGB(const TexInstruction *);
void emitSUSTGx(const TexInstruction *);
void emitSUCLAMPMode(uint16_t);
void emitSUCalc(Instruction *);
inline void defId(const ValueDef&, const int pos);
inline void srcId(const ValueRef&, const int pos);
@ -1619,6 +1621,86 @@ CodeEmitterGK110::emitSUSTGx(const TexInstruction *i)
}
}
void
CodeEmitterGK110::emitSUCLAMPMode(uint16_t subOp)
{
uint8_t m;
switch (subOp & ~NV50_IR_SUBOP_SUCLAMP_2D) {
case NV50_IR_SUBOP_SUCLAMP_SD(0, 1): m = 0; break;
case NV50_IR_SUBOP_SUCLAMP_SD(1, 1): m = 1; break;
case NV50_IR_SUBOP_SUCLAMP_SD(2, 1): m = 2; break;
case NV50_IR_SUBOP_SUCLAMP_SD(3, 1): m = 3; break;
case NV50_IR_SUBOP_SUCLAMP_SD(4, 1): m = 4; break;
case NV50_IR_SUBOP_SUCLAMP_PL(0, 1): m = 5; break;
case NV50_IR_SUBOP_SUCLAMP_PL(1, 1): m = 6; break;
case NV50_IR_SUBOP_SUCLAMP_PL(2, 1): m = 7; break;
case NV50_IR_SUBOP_SUCLAMP_PL(3, 1): m = 8; break;
case NV50_IR_SUBOP_SUCLAMP_PL(4, 1): m = 9; break;
case NV50_IR_SUBOP_SUCLAMP_BL(0, 1): m = 10; break;
case NV50_IR_SUBOP_SUCLAMP_BL(1, 1): m = 11; break;
case NV50_IR_SUBOP_SUCLAMP_BL(2, 1): m = 12; break;
case NV50_IR_SUBOP_SUCLAMP_BL(3, 1): m = 13; break;
case NV50_IR_SUBOP_SUCLAMP_BL(4, 1): m = 14; break;
default:
return;
}
code[1] |= m << 20;
if (subOp & NV50_IR_SUBOP_SUCLAMP_2D)
code[1] |= 1 << 24;
}
void
CodeEmitterGK110::emitSUCalc(Instruction *i)
{
ImmediateValue *imm = NULL;
uint64_t opc1, opc2;
if (i->srcExists(2)) {
imm = i->getSrc(2)->asImm();
if (imm)
i->setSrc(2, NULL); // special case, make emitForm_21 not assert
}
switch (i->op) {
case OP_SUCLAMP: opc1 = 0xb00; opc2 = 0x580; break;
case OP_SUBFM: opc1 = 0xb68; opc2 = 0x1e8; break;
case OP_SUEAU: opc1 = 0xb6c; opc2 = 0x1ec; break;
default:
assert(0);
return;
}
emitForm_21(i, opc2, opc1);
if (i->op == OP_SUCLAMP) {
if (i->dType == TYPE_S32)
code[1] |= 1 << 19;
emitSUCLAMPMode(i->subOp);
}
if (i->op == OP_SUBFM && i->subOp == NV50_IR_SUBOP_SUBFM_3D)
code[1] |= 1 << 18;
if (i->op != OP_SUEAU) {
const uint8_t pos = i->op == OP_SUBFM ? 19 : 16;
if (i->def(0).getFile() == FILE_PREDICATE) { // p, #
code[0] |= 255 << 2;
code[1] |= i->getDef(1)->reg.data.id << pos;
} else
if (i->defExists(1)) { // r, p
assert(i->def(1).getFile() == FILE_PREDICATE);
code[1] |= i->getDef(1)->reg.data.id << pos;
} else { // r, #
code[1] |= 7 << pos;
}
}
if (imm) {
assert(i->op == OP_SUCLAMP);
i->setSrc(2, imm);
code[1] |= (imm->reg.data.u32 & 0x3f) << 10; // sint6
}
}
void
CodeEmitterGK110::emitAFETCH(const Instruction *i)
{
@ -2352,6 +2434,11 @@ CodeEmitterGK110::emitInstruction(Instruction *insn)
case OP_SUSTP:
emitSUSTGx(insn->asTex());
break;
case OP_SUBFM:
case OP_SUCLAMP:
case OP_SUEAU:
emitSUCalc(insn);
break;
case OP_PHI:
case OP_UNION:
case OP_CONSTRAINT: