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-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp46
1 files changed, 42 insertions, 4 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
index 7859c8e79bd..41d2cc9167c 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
@@ -1573,10 +1573,28 @@ SpillCodeInserter::spill(Instruction *defi, Value *slot, LValue *lval)
Instruction *st;
if (slot->reg.file == FILE_MEMORY_LOCAL) {
- st = new_Instruction(func, OP_STORE, ty);
- st->setSrc(0, slot);
- st->setSrc(1, lval);
lval->noSpill = 1;
+ if (ty != TYPE_B96) {
+ st = new_Instruction(func, OP_STORE, ty);
+ st->setSrc(0, slot);
+ st->setSrc(1, lval);
+ } else {
+ st = new_Instruction(func, OP_SPLIT, ty);
+ st->setSrc(0, lval);
+ for (int d = 0; d < lval->reg.size / 4; ++d)
+ st->setDef(d, new_LValue(func, FILE_GPR));
+
+ for (int d = lval->reg.size / 4 - 1; d >= 0; --d) {
+ Value *tmp = cloneShallow(func, slot);
+ tmp->reg.size = 4;
+ tmp->reg.data.offset += 4 * d;
+
+ Instruction *s = new_Instruction(func, OP_STORE, TYPE_U32);
+ s->setSrc(0, tmp);
+ s->setSrc(1, st->getDef(d));
+ defi->bb->insertAfter(defi, s);
+ }
+ }
} else {
st = new_Instruction(func, OP_CVT, ty);
st->setDef(0, slot);
@@ -1596,7 +1614,27 @@ SpillCodeInserter::unspill(Instruction *usei, LValue *lval, Value *slot)
Instruction *ld;
if (slot->reg.file == FILE_MEMORY_LOCAL) {
lval->noSpill = 1;
- ld = new_Instruction(func, OP_LOAD, ty);
+ if (ty != TYPE_B96) {
+ ld = new_Instruction(func, OP_LOAD, ty);
+ } else {
+ ld = new_Instruction(func, OP_MERGE, ty);
+ for (int d = 0; d < lval->reg.size / 4; ++d) {
+ Value *tmp = cloneShallow(func, slot);
+ LValue *val;
+ tmp->reg.size = 4;
+ tmp->reg.data.offset += 4 * d;
+
+ Instruction *l = new_Instruction(func, OP_LOAD, TYPE_U32);
+ l->setDef(0, (val = new_LValue(func, FILE_GPR)));
+ l->setSrc(0, tmp);
+ usei->bb->insertBefore(usei, l);
+ ld->setSrc(d, val);
+ val->noSpill = 1;
+ }
+ ld->setDef(0, lval);
+ usei->bb->insertBefore(usei, ld);
+ return lval;
+ }
} else {
ld = new_Instruction(func, OP_CVT, ty);
}