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authorEric Anholt <[email protected]>2015-10-26 13:17:33 -0700
committerEric Anholt <[email protected]>2015-10-26 16:48:34 -0700
commit652a864b257650e730ecec9e5882d765840a02e1 (patch)
tree366eeb9c0dcf79055ef80938fc9e2111a137d861
parent3d7a088608b38b3a460ad7ba5c7fb575815c8a43 (diff)
vc4: Fix up the test for whether the unpack can be from r4.
We can do 16a/16b from float as well. No difference on shader-db.
-rw-r--r--src/gallium/drivers/vc4/vc4_qir.c24
-rw-r--r--src/gallium/drivers/vc4/vc4_qir.h1
-rw-r--r--src/gallium/drivers/vc4/vc4_register_allocate.c10
3 files changed, 27 insertions, 8 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c
index 59a4e62159c..ce6618fe7d0 100644
--- a/src/gallium/drivers/vc4/vc4_qir.c
+++ b/src/gallium/drivers/vc4/vc4_qir.c
@@ -190,6 +190,30 @@ qir_is_mul(struct qinst *inst)
}
bool
+qir_is_float_input(struct qinst *inst)
+{
+ switch (inst->op) {
+ case QOP_FMUL:
+ case QOP_FADD:
+ case QOP_FSUB:
+ case QOP_FMIN:
+ case QOP_FMAX:
+ case QOP_FMINABS:
+ case QOP_FMAXABS:
+ case QOP_FTOI:
+ case QOP_UNPACK_8A_F:
+ case QOP_UNPACK_8B_F:
+ case QOP_UNPACK_8C_F:
+ case QOP_UNPACK_8D_F:
+ case QOP_UNPACK_16A_F:
+ case QOP_UNPACK_16B_F:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
qir_is_raw_mov(struct qinst *inst)
{
return (inst->op == QOP_MOV &&
diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h
index aa4d9328f37..1a1e0f32386 100644
--- a/src/gallium/drivers/vc4/vc4_qir.h
+++ b/src/gallium/drivers/vc4/vc4_qir.h
@@ -465,6 +465,7 @@ bool qir_is_multi_instruction(struct qinst *inst);
bool qir_is_mul(struct qinst *inst);
bool qir_is_raw_mov(struct qinst *inst);
bool qir_is_tex(struct qinst *inst);
+bool qir_is_float_input(struct qinst *inst);
bool qir_depends_on_flags(struct qinst *inst);
bool qir_writes_r4(struct qinst *inst);
bool qir_src_needs_a_file(struct qinst *inst);
diff --git a/src/gallium/drivers/vc4/vc4_register_allocate.c b/src/gallium/drivers/vc4/vc4_register_allocate.c
index 3ced50f3a44..2a1b6c35d69 100644
--- a/src/gallium/drivers/vc4/vc4_register_allocate.c
+++ b/src/gallium/drivers/vc4/vc4_register_allocate.c
@@ -283,20 +283,14 @@ vc4_register_allocate(struct vc4_context *vc4, struct vc4_compile *c)
}
if (qir_src_needs_a_file(inst)) {
- switch (inst->op) {
- case QOP_UNPACK_8A_F:
- case QOP_UNPACK_8B_F:
- case QOP_UNPACK_8C_F:
- case QOP_UNPACK_8D_F:
+ if (qir_is_float_input(inst)) {
/* Special case: these can be done as R4
* unpacks, as well.
*/
class_bits[inst->src[0].index] &= (CLASS_BIT_A |
CLASS_BIT_R4);
- break;
- default:
+ } else {
class_bits[inst->src[0].index] &= CLASS_BIT_A;
- break;
}
}
ip++;