Skip to content

S
swiftshader
Commit 070d9f4d by Nicolas Capens Committed by Nicolas Capens
Options

Emulate sub-vector load/store intrinsics.

Bug b/37496321 Change-Id: I173b458a0d1d477ad75deaa33508ae1766c182c0 Reviewed-on: https://swiftshader-review.googlesource.com/9491Tested-by: 's avatarNicolas Capens <nicolascapens@google.com> Reviewed-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarNicolas Capens <nicolascapens@google.com>
parent 18b8d68e
Showing with 77 additions and 13 deletions
src/Reactor/SubzeroReactor.cpp
...@@ -849,12 +849,43 @@ namespace sw ...@@ -849,12 +849,43 @@ namespace sw
if(valueType & EmulatedBits) if(valueType & EmulatedBits)
{ {
const Ice::Intrinsics::IntrinsicInfo intrinsic = {Ice::Intrinsics::LoadSubVector, Ice::Intrinsics::SideEffects_F, Ice::Intrinsics::ReturnsTwice_F, Ice::Intrinsics::MemoryWrite_F}; if(emulateIntrinsics)
auto target = ::context->getConstantUndef(Ice::IceType_i32); {
auto load = Ice::InstIntrinsicCall::create(::function, 2, result, target, intrinsic); if(typeSize(type) == 4)
load->addArg(ptr); {
load->addArg(::context->getConstantInt32(typeSize(type))); auto pointer = RValue<Pointer<Byte>>(ptr);
::basicBlock->appendInst(load); Int x = *Pointer<Int>(pointer +1-1);
Int4 vector;
vector = Insert(vector, x, 0);
auto bitcast = Ice::InstCast::create(::function, Ice::InstCast::Bitcast, result, vector.loadValue());
::basicBlock->appendInst(bitcast);
}
else if(typeSize(type) == 8)
{
auto pointer = RValue<Pointer<Byte>>(ptr);
Int x = *Pointer<Int>(pointer +1-1);
Int y = *Pointer<Int>(pointer + 4);
Int4 vector;
vector = Insert(vector, x, 0);
vector = Insert(vector, y, 1);
auto bitcast = Ice::InstCast::create(::function, Ice::InstCast::Bitcast, result, vector.loadValue());
::basicBlock->appendInst(bitcast);
}
else assert(false);
}
else
{
const Ice::Intrinsics::IntrinsicInfo intrinsic = {Ice::Intrinsics::LoadSubVector, Ice::Intrinsics::SideEffects_F, Ice::Intrinsics::ReturnsTwice_F, Ice::Intrinsics::MemoryWrite_F};
auto target = ::context->getConstantUndef(Ice::IceType_i32);
auto load = Ice::InstIntrinsicCall::create(::function, 2, result, target, intrinsic);
load->addArg(ptr);
load->addArg(::context->getConstantInt32(typeSize(type)));
::basicBlock->appendInst(load);
}
} }
else else
{ {
...@@ -871,13 +902,46 @@ namespace sw ...@@ -871,13 +902,46 @@ namespace sw
if(valueType & EmulatedBits) if(valueType & EmulatedBits)
{ {
const Ice::Intrinsics::IntrinsicInfo intrinsic = {Ice::Intrinsics::StoreSubVector, Ice::Intrinsics::SideEffects_T, Ice::Intrinsics::ReturnsTwice_F, Ice::Intrinsics::MemoryWrite_T}; if(emulateIntrinsics)
auto target = ::context->getConstantUndef(Ice::IceType_i32); {
auto store = Ice::InstIntrinsicCall::create(::function, 3, nullptr, target, intrinsic); if(typeSize(type) == 4)
store->addArg(value); {
store->addArg(ptr); Ice::Variable *vector = ::function->makeVariable(Ice::IceType_v4i32);
store->addArg(::context->getConstantInt32(typeSize(type))); auto bitcast = Ice::InstCast::create(::function, Ice::InstCast::Bitcast, vector, value);
::basicBlock->appendInst(store); ::basicBlock->appendInst(bitcast);
RValue<Int4> v(V(vector));
auto pointer = RValue<Pointer<Byte>>(ptr);
Int x = Extract(v, 0);
*Pointer<Int>(pointer) = x;
}
else if(typeSize(type) == 8)
{
Ice::Variable *vector = ::function->makeVariable(Ice::IceType_v4i32);
auto bitcast = Ice::InstCast::create(::function, Ice::InstCast::Bitcast, vector, value);
::basicBlock->appendInst(bitcast);
RValue<Int4> v(V(vector));
auto pointer = RValue<Pointer<Byte>>(ptr);
Int x = Extract(v, 0);
*Pointer<Int>(pointer) = x;
Int y = Extract(v, 1);
*Pointer<Int>(pointer + 4) = y;
}
else assert(false);
}
else
{
const Ice::Intrinsics::IntrinsicInfo intrinsic = {Ice::Intrinsics::StoreSubVector, Ice::Intrinsics::SideEffects_T, Ice::Intrinsics::ReturnsTwice_F, Ice::Intrinsics::MemoryWrite_T};
auto target = ::context->getConstantUndef(Ice::IceType_i32);
auto store = Ice::InstIntrinsicCall::create(::function, 3, nullptr, target, intrinsic);
store->addArg(value);
store->addArg(ptr);
store->addArg(::context->getConstantInt32(typeSize(type)));
::basicBlock->appendInst(store);
}
} }
else else
{ {
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment