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broadcom/vc5: Add support for V3Dv4 signal bits.

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The WRTMUC replaces the implicit uniform loads in the first two texture
instructions.  LDVPM disappears in favor of an ALU op.  LDVARY, LDTMU,
LDTLB, and LDUNIF*RF now write to arbitrary registers, which required
passing the devinfo through to a few more functions.
This commit is contained in:
Eric Anholt
2018-01-03 21:42:33 -08:00
parent 81ec2ba229
commit dfee62eed3
12 changed files with 322 additions and 45 deletions
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14
src/broadcom/compiler/vir.c
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@@ -21,6 +21,7 @@
* IN THE SOFTWARE.
*/
#include "broadcom/common/v3d_device_info.h"
#include "v3d_compiler.h"
int
@@ -198,7 +199,7 @@ vir_depends_on_flags(struct qinst *inst)
}
bool
vir_writes_r3(struct qinst *inst)
vir_writes_r3(const struct v3d_device_info *devinfo, struct qinst *inst)
{
for (int i = 0; i < vir_get_nsrc(inst); i++) {
switch (inst->src[i].file) {
@@ -210,11 +211,18 @@ vir_writes_r3(struct qinst *inst)
}
}
if (devinfo->ver < 41 && (inst->qpu.sig.ldvary ||
inst->qpu.sig.ldtlb ||
inst->qpu.sig.ldtlbu ||
inst->qpu.sig.ldvpm)) {
return true;
}
return false;
}
bool
vir_writes_r4(struct qinst *inst)
vir_writes_r4(const struct v3d_device_info *devinfo, struct qinst *inst)
{
switch (inst->dst.file) {
case QFILE_MAGIC:
@@ -231,7 +239,7 @@ vir_writes_r4(struct qinst *inst)
break;
}
if (inst->qpu.sig.ldtmu)
if (devinfo->ver < 41 && inst->qpu.sig.ldtmu)
return true;
return false;