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nv50/ir/nir: implement intrinsic_discard(_if) 

v9: use getSSA instead of new_LValue

Signed-off-by: Karol Herbst <kherbst@redhat.com>
This commit is contained in:
Karol Herbst 2017-12-13 21:59:29 +01:00
parent 9e68b7bef2
commit b05494c216
1 changed files with 14 additions and 0 deletions
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14
src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
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@ -1732,6 +1732,20 @@ Converter::visit(nir_intrinsic_instr *insn)
loadImm(newDefs[1], mode);
break;
}
case nir_intrinsic_discard:
mkOp(OP_DISCARD, TYPE_NONE, NULL);
break;
case nir_intrinsic_discard_if: {
Value *pred = getSSA(1, FILE_PREDICATE);
if (insn->num_components > 1) {
ERROR("nir_intrinsic_discard_if only with 1 component supported!\n");
assert(false);
return false;
}
mkCmp(OP_SET, CC_NE, TYPE_U8, pred, TYPE_U32, getSrc(&insn->src[0], 0), zero);
mkOp(OP_DISCARD, TYPE_NONE, NULL)->setPredicate(CC_P, pred);
break;
}
default:
ERROR("unknown nir_intrinsic_op %s\n", nir_intrinsic_infos[op].name);
return false;