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video_core: Allow copy elision to take place where applicable

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Removes const from some variables that are returned from functions, as
this allows the move assignment/constructors to execute for them.
This commit is contained in:
Lioncash 2020-07-21 00:29:23 -04:00
parent 5714c2c44a
commit 991e4dc0b3
7 changed files with 26 additions and 26 deletions
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19
src/video_core/shader/decode/video.cpp
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@ -91,29 +91,28 @@ u32 ShaderIR::DecodeVideo(NodeBlock& bb, u32 pc) {
return pc;
}
Node ShaderIR::GetVideoOperand(Node op, bool is_chunk, bool is_signed,
Tegra::Shader::VideoType type, u64 byte_height) {
Node ShaderIR::GetVideoOperand(Node op, bool is_chunk, bool is_signed, VideoType type,
u64 byte_height) {
if (!is_chunk) {
return BitfieldExtract(op, static_cast<u32>(byte_height * 8), 8);
}
const Node zero = Immediate(0);
switch (type) {
case Tegra::Shader::VideoType::Size16_Low:
case VideoType::Size16_Low:
return BitfieldExtract(op, 0, 16);
case Tegra::Shader::VideoType::Size16_High:
case VideoType::Size16_High:
return BitfieldExtract(op, 16, 16);
case Tegra::Shader::VideoType::Size32:
case VideoType::Size32:
// TODO(Rodrigo): From my hardware tests it becomes a bit "mad" when this type is used
// (1 * 1 + 0 == 0x5b800000). Until a better explanation is found: abort.
UNIMPLEMENTED();
return zero;
case Tegra::Shader::VideoType::Invalid:
return Immediate(0);
case VideoType::Invalid:
UNREACHABLE_MSG("Invalid instruction encoding");
return zero;
return Immediate(0);
default:
UNREACHABLE();
return zero;
return Immediate(0);
}
}