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broadcom/compiler: fix end of tmu sequence detection

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TMUWT always terminates a TMU sequence.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9619>
This commit is contained in:
Iago Toral Quiroga
2021-03-16 09:02:20 +01:00
committed by Marge Bot
parent 7bdd569d7e
commit 3db322f305
1 changed files with 11 additions and 7 deletions
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src/broadcom/compiler/vir_register_allocate.c
+11 -7
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@@ -46,18 +46,22 @@ static bool
is_end_of_tmu_sequence(const struct v3d_device_info *devinfo,
struct qinst *inst, struct qblock *block)
{
if (!inst->qpu.sig.ldtmu &&
!(inst->qpu.type == V3D_QPU_INSTR_TYPE_ALU &&
inst->qpu.alu.add.op != V3D_QPU_A_TMUWT)) {
return false;
if (inst->qpu.type == V3D_QPU_INSTR_TYPE_ALU &&
inst->qpu.alu.add.op == V3D_QPU_A_TMUWT) {
return true;
}
if (!inst->qpu.sig.ldtmu)
return false;
list_for_each_entry_from(struct qinst, scan_inst, inst->link.next,
&block->instructions, link) {
if (scan_inst->qpu.sig.ldtmu ||
(inst->qpu.type == V3D_QPU_INSTR_TYPE_ALU &&
inst->qpu.alu.add.op == V3D_QPU_A_TMUWT)) {
if (scan_inst->qpu.sig.ldtmu)
return false;
if (inst->qpu.type == V3D_QPU_INSTR_TYPE_ALU &&
inst->qpu.alu.add.op == V3D_QPU_A_TMUWT) {
return true;
}
if (qinst_writes_tmu(devinfo, scan_inst))