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nv50/ir/emit: handle OP_ATOM

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This commit is contained in:
Christoph Bumiller
2013-02-20 20:54:14 +01:00
parent d6c95f6819
commit c8f0c43f7a
1 changed files with 41 additions and 0 deletions
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src/gallium/drivers/nv50/codegen/nv50_ir_emit_nv50.cpp
+41
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@@ -122,6 +122,8 @@ private:
void emitFlow(const Instruction *, uint8_t flowOp);
void emitPRERETEmu(const FlowInstruction *);
void emitATOM(const Instruction *);
};
#define SDATA(a) ((a).rep()->reg.data)
@@ -1532,6 +1534,42 @@ CodeEmitterNV50::emitFlow(const Instruction *i, uint8_t flowOp)
}
}
void
CodeEmitterNV50::emitATOM(const Instruction *i)
{
uint8_t subOp;
switch (i->subOp) {
case NV50_IR_SUBOP_ATOM_ADD: subOp = 0x0; break;
case NV50_IR_SUBOP_ATOM_MIN: subOp = 0x7; break;
case NV50_IR_SUBOP_ATOM_MAX: subOp = 0x6; break;
case NV50_IR_SUBOP_ATOM_INC: subOp = 0x4; break;
case NV50_IR_SUBOP_ATOM_DEC: subOp = 0x5; break;
case NV50_IR_SUBOP_ATOM_AND: subOp = 0xa; break;
case NV50_IR_SUBOP_ATOM_OR: subOp = 0xb; break;
case NV50_IR_SUBOP_ATOM_XOR: subOp = 0xc; break;
case NV50_IR_SUBOP_ATOM_CAS: subOp = 0x2; break;
case NV50_IR_SUBOP_ATOM_EXCH: subOp = 0x1; break;
default:
assert(!"invalid subop");
break;
}
code[0] = 0xd0000001;
code[1] = 0xe0c00000 | (subOp << 2);
if (isSignedType(i->dType))
code[1] |= 1 << 21;
// args
emitFlagsRd(i);
setDst(i, 0);
setSrc(i, 1, 1);
if (i->subOp == NV50_IR_SUBOP_ATOM_CAS)
setSrc(i, 2, 2);
// g[] pointer
code[0] |= i->getSrc(0)->reg.fileIndex << 23;
srcId(i->getIndirect(0, 0), 9);
}
bool
CodeEmitterNV50::emitInstruction(Instruction *insn)
{
@@ -1712,6 +1750,9 @@ CodeEmitterNV50::emitInstruction(Instruction *insn)
case OP_DFDY:
emitQUADOP(insn, 5, insn->src(0).mod.neg() ? 0x5a : 0xa5);
break;
case OP_ATOM:
emitATOM(insn);
break;
case OP_PHI:
case OP_UNION:
case OP_CONSTRAINT: