diff options
Diffstat (limited to 'src/broadcom/qpu/qpu_instr.c')
| -rw-r--r-- | src/broadcom/qpu/qpu_instr.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/broadcom/qpu/qpu_instr.c b/src/broadcom/qpu/qpu_instr.c index 08f29a40937..338a1887f03 100644 --- a/src/broadcom/qpu/qpu_instr.c +++ b/src/broadcom/qpu/qpu_instr.c @@ -809,3 +809,44 @@ v3d_qpu_sig_writes_address(const struct v3d_device_info *devinfo, 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; +} |