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nv50/ir/nir: implement load/store_global

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required by OpenCL

v2: fix setting globalAccess

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>
This commit is contained in:
Karol Herbst
2018-02-22 11:58:44 +01:00
parent 33a9b9fce5
commit 62362a4abb
1 changed files with 36 additions and 0 deletions
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src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+36
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@@ -2620,6 +2620,42 @@ Converter::visit(nir_intrinsic_instr *insn)
mkOp1(OP_RDSV, dType, newDefs[1], mkSysVal(SV_CLOCK, 0))->fixed = 1;
break;
}
case nir_intrinsic_load_global: {
const DataType dType = getDType(insn);
LValues &newDefs = convert(&insn->dest);
Value *indirectOffset;
uint32_t offset = getIndirect(&insn->src[0], 0, indirectOffset);
for (auto i = 0u; i < insn->num_components; ++i)
loadFrom(FILE_MEMORY_GLOBAL, 0, dType, newDefs[i], offset, i, indirectOffset);
info->io.globalAccess |= 0x1;
break;
}
case nir_intrinsic_store_global: {
DataType sType = getSType(insn->src[0], false, false);
for (auto i = 0u; i < insn->num_components; ++i) {
if (!((1u << i) & nir_intrinsic_write_mask(insn)))
continue;
if (typeSizeof(sType) == 8) {
Value *split[2];
mkSplit(split, 4, getSrc(&insn->src[0], i));
Symbol *sym = mkSymbol(FILE_MEMORY_GLOBAL, 0, TYPE_U32, i * typeSizeof(sType));
mkStore(OP_STORE, TYPE_U32, sym, getSrc(&insn->src[1], 0), split[0]);
sym = mkSymbol(FILE_MEMORY_GLOBAL, 0, TYPE_U32, i * typeSizeof(sType) + 4);
mkStore(OP_STORE, TYPE_U32, sym, getSrc(&insn->src[1], 0), split[1]);
} else {
Symbol *sym = mkSymbol(FILE_MEMORY_GLOBAL, 0, sType, i * typeSizeof(sType));
mkStore(OP_STORE, sType, sym, getSrc(&insn->src[1], 0), getSrc(&insn->src[0], i));
}
}
info->io.globalAccess |= 0x2;
break;
}
default:
ERROR("unknown nir_intrinsic_op %s\n", nir_intrinsic_infos[op].name);
return false;