return 0;
}
+enum v3d_qpu_cond
+v3d_qpu_cond_invert(enum v3d_qpu_cond cond)
+{
+ switch (cond) {
+ case V3D_QPU_COND_IFA:
+ return V3D_QPU_COND_IFNA;
+ case V3D_QPU_COND_IFNA:
+ return V3D_QPU_COND_IFA;
+ case V3D_QPU_COND_IFB:
+ return V3D_QPU_COND_IFNB;
+ case V3D_QPU_COND_IFNB:
+ return V3D_QPU_COND_IFB;
+ default:
+ unreachable("Non-invertible cond");
+ }
+}
+
bool
v3d_qpu_magic_waddr_is_sfu(enum v3d_qpu_waddr waddr)
{
v3d_qpu_magic_waddr_is_tmu(inst->alu.mul.waddr))));
}
+bool
+v3d_qpu_writes_tmu_not_tmuc(const struct v3d_qpu_instr *inst)
+{
+ return v3d_qpu_writes_tmu(inst) &&
+ (!inst->alu.add.magic_write ||
+ inst->alu.add.waddr != V3D_QPU_WADDR_TMUC) &&
+ (!inst->alu.mul.magic_write ||
+ inst->alu.mul.waddr != V3D_QPU_WADDR_TMUC);
+}
+
bool
v3d_qpu_reads_vpm(const struct v3d_qpu_instr *inst)
{
v3d_qpu_writes_r4(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst)
{
- if (inst->sig.ldtmu)
- return true;
-
if (inst->type == V3D_QPU_INSTR_TYPE_ALU) {
if (inst->alu.add.magic_write &&
(inst->alu.add.waddr == V3D_QPU_WADDR_R4 ||
}
}
- if (v3d_qpu_sig_writes_address(devinfo, &inst->sig) &&
- inst->sig_magic && inst->sig_addr == V3D_QPU_WADDR_R4) {
+ if (v3d_qpu_sig_writes_address(devinfo, &inst->sig)) {
+ if (inst->sig_magic && inst->sig_addr == V3D_QPU_WADDR_R4)
+ return true;
+ } else if (inst->sig.ldtmu) {
return true;
}
sig->ldtlb ||
sig->ldtlbu);
}
+
+bool
+v3d_qpu_reads_flags(const struct v3d_qpu_instr *inst)
+{
+ if (inst->type == V3D_QPU_INSTR_TYPE_BRANCH) {
+ return inst->branch.cond != V3D_QPU_BRANCH_COND_ALWAYS;
+ } else if (inst->type == V3D_QPU_INSTR_TYPE_ALU) {
+ if (inst->flags.ac != V3D_QPU_COND_NONE ||
+ inst->flags.mc != V3D_QPU_COND_NONE ||
+ inst->flags.auf != V3D_QPU_UF_NONE ||
+ inst->flags.muf != V3D_QPU_UF_NONE)
+ return true;
+
+ switch (inst->alu.add.op) {
+ case V3D_QPU_A_VFLA:
+ case V3D_QPU_A_VFLNA:
+ case V3D_QPU_A_VFLB:
+ case V3D_QPU_A_VFLNB:
+ case V3D_QPU_A_FLAPUSH:
+ case V3D_QPU_A_FLBPUSH:
+ return true;
+ default:
+ break;
+ }
+ }
+
+ return false;
+}
+
+bool
+v3d_qpu_writes_flags(const struct v3d_qpu_instr *inst)
+{
+ if (inst->flags.apf != V3D_QPU_PF_NONE ||
+ inst->flags.mpf != V3D_QPU_PF_NONE ||
+ inst->flags.auf != V3D_QPU_UF_NONE ||
+ inst->flags.muf != V3D_QPU_UF_NONE) {
+ return true;
+ }
+
+ return false;
+}
+
+bool
+v3d_qpu_unpacks_f32(const struct v3d_qpu_instr *inst)
+{
+ if (inst->type != V3D_QPU_INSTR_TYPE_ALU)
+ return false;
+
+ switch (inst->alu.add.op) {
+ case V3D_QPU_A_FADD:
+ case V3D_QPU_A_FADDNF:
+ case V3D_QPU_A_FSUB:
+ case V3D_QPU_A_FMIN:
+ case V3D_QPU_A_FMAX:
+ case V3D_QPU_A_FCMP:
+ case V3D_QPU_A_FROUND:
+ case V3D_QPU_A_FTRUNC:
+ case V3D_QPU_A_FFLOOR:
+ case V3D_QPU_A_FCEIL:
+ case V3D_QPU_A_FDX:
+ case V3D_QPU_A_FDY:
+ case V3D_QPU_A_FTOIN:
+ case V3D_QPU_A_FTOIZ:
+ case V3D_QPU_A_FTOUZ:
+ case V3D_QPU_A_FTOC:
+ case V3D_QPU_A_VFPACK:
+ return true;
+ break;
+ default:
+ break;
+ }
+
+ switch (inst->alu.mul.op) {
+ case V3D_QPU_M_FMOV:
+ case V3D_QPU_M_FMUL:
+ return true;
+ break;
+ default:
+ break;
+ }
+
+ return false;
+}
+bool
+v3d_qpu_unpacks_f16(const struct v3d_qpu_instr *inst)
+{
+ if (inst->type != V3D_QPU_INSTR_TYPE_ALU)
+ return false;
+
+ switch (inst->alu.add.op) {
+ case V3D_QPU_A_VFMIN:
+ case V3D_QPU_A_VFMAX:
+ return true;
+ break;
+ default:
+ break;
+ }
+
+ switch (inst->alu.mul.op) {
+ case V3D_QPU_M_VFMUL:
+ return true;
+ break;
+ default:
+ break;
+ }
+
+ return false;
+}