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broadcom/compiler: add a helper to check if an instruction writes unifa 

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8980>
This commit is contained in:
Iago Toral Quiroga 2021-02-11 13:22:28 +01:00 committed by Marge Bot
parent 4b929ae9f0
commit 24db1a5112
2 changed files with 26 additions and 0 deletions
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24
src/broadcom/qpu/qpu_instr.c
View File

@ -749,6 +749,30 @@ v3d_qpu_writes_vpm(const struct v3d_qpu_instr *inst)
return false;
}
bool
v3d_qpu_writes_unifa(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst)
{
if (devinfo->ver < 40)
return false;
if (inst->type == V3D_QPU_INSTR_TYPE_ALU) {
if (inst->alu.add.op != V3D_QPU_A_NOP &&
inst->alu.add.magic_write &&
inst->alu.add.waddr == V3D_QPU_WADDR_UNIFA) {
return true;
}
if (inst->alu.mul.op != V3D_QPU_M_NOP &&
inst->alu.mul.magic_write &&
inst->alu.mul.waddr == V3D_QPU_WADDR_UNIFA) {
return true;
}
}
return false;
}
static bool
v3d_qpu_waits_vpm(const struct v3d_qpu_instr *inst)
{

2
src/broadcom/qpu/qpu_instr.h
View File

@ -470,6 +470,8 @@ bool v3d_qpu_writes_vpm(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_reads_or_writes_vpm(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_reads_flags(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_writes_flags(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_writes_unifa(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_sig_writes_address(const struct v3d_device_info *devinfo,
const struct v3d_qpu_sig *sig) ATTRIBUTE_CONST;
bool v3d_qpu_unpacks_f32(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;