An alternative solution to the problem fixed in
0bd83d0 ("nv50/ir: move LateAlgebraicOpt to the very end").
total instructions in shared programs : 5265148 -> 5264804 (-0.01%)
total gprs used in shared programs : 624346 -> 624341 (-0.00%)
total shared used in shared programs : 360704 -> 360704 (0.00%)
total local used in shared programs : 20952 -> 20952 (0.00%)
local shared gpr inst bytes
helped 0 0 2 31 31
hurt 0 0 0 0 0
Signed-off-by: Rhys Perry <pendingchao...@gmail.com>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 39177bd044..83fb15ca34 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -283,6 +283,8 @@ class IndirectPropagation : public Pass
{
private:
virtual bool visit(BasicBlock *);
+
+ BuildUtil bld;
};
bool
@@ -294,6 +296,8 @@ IndirectPropagation::visit(BasicBlock *bb)
for (Instruction *i = bb->getEntry(); i; i = next) {
next = i->next;
+ bld.setPosition(i, false);
+
for (int s = 0; i->srcExists(s); ++s) {
Instruction *insn;
ImmediateValue imm;
@@ -325,6 +329,14 @@ IndirectPropagation::visit(BasicBlock *bb)
i->setIndirect(s, 0, NULL);
i->setSrc(s, cloneShallow(func, i->getSrc(s)));
i->src(s).get()->reg.data.offset += imm.reg.data.u32;
+ } else if (insn->op == OP_SHLADD) {
+ if (!insn->src(2).getImmediate(imm) ||
+ !targ->insnCanLoadOffset(i, s, imm.reg.data.s32))
+ continue;
+ i->setIndirect(s, 0, bld.mkOp2v(
+ OP_SHL, TYPE_U32, bld.getSSA(), insn->getSrc(0),
insn->getSrc(1)));
+ i->setSrc(s, cloneShallow(func, i->getSrc(s)));
+ i->src(s).get()->reg.data.offset += imm.reg.data.u32;
}
}
}
--
2.14.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
