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v3d: Add support for vir-to-qpu of ldunif instructions to a temp.

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We can load a uniform to any register, so add support for non-ALU
instructions with sig.ldunif to a temp.
This commit is contained in:
Eric Anholt 2019-02-26 09:05:05 -08:00
parent 4739181a16
commit dff1fc04e0
1 changed files with 15 additions and 2 deletions
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17
src/broadcom/compiler/vir_to_qpu.c
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@ -309,7 +309,20 @@ v3d_generate_code_block(struct v3d_compile *c,
}
if (qinst->qpu.type == V3D_QPU_INSTR_TYPE_ALU) {
if (v3d_qpu_sig_writes_address(c->devinfo,
if (qinst->qpu.sig.ldunif) {
assert(qinst->qpu.alu.add.op == V3D_QPU_A_NOP);
assert(qinst->qpu.alu.mul.op == V3D_QPU_M_NOP);
if (!dst.magic ||
dst.index != V3D_QPU_WADDR_R5) {
assert(c->devinfo->ver >= 40);
qinst->qpu.sig.ldunif = false;
qinst->qpu.sig.ldunifrf = true;
qinst->qpu.sig_addr = dst.index;
qinst->qpu.sig_magic = dst.magic;
}
} else if (v3d_qpu_sig_writes_address(c->devinfo,
&qinst->qpu.sig)) {
assert(qinst->qpu.alu.add.op == V3D_QPU_A_NOP);
assert(qinst->qpu.alu.mul.op == V3D_QPU_M_NOP);
@ -361,7 +374,7 @@ reads_uniform(const struct v3d_device_info *devinfo, uint64_t instruction)
assert(ok);
if (qpu.sig.ldunif ||
qpu.sig.ldunifarf ||
qpu.sig.ldunifrf ||
qpu.sig.wrtmuc) {
return true;
}