diff options
Diffstat (limited to 'src/video_core/shader/decode/xmad.cpp')
| -rw-r--r-- | src/video_core/shader/decode/xmad.cpp | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/src/video_core/shader/decode/xmad.cpp b/src/video_core/shader/decode/xmad.cpp index 0466069ae..3e37aee4a 100644 --- a/src/video_core/shader/decode/xmad.cpp +++ b/src/video_core/shader/decode/xmad.cpp @@ -47,22 +47,10 @@ u32 ShaderIR::DecodeXmad(BasicBlock& bb, u32 pc) { return {false, Immediate(0), Immediate(0)}; }(); - if (instr.xmad.high_a) { - op_a = SignedOperation(OperationCode::ILogicalShiftRight, is_signed_a, NO_PRECISE, op_a, - Immediate(16)); - } else { - op_a = SignedOperation(OperationCode::IBitwiseAnd, is_signed_a, NO_PRECISE, op_a, - Immediate(0xffff)); - } + op_a = BitfieldExtract(op_a, instr.xmad.high_a ? 16 : 0, 16); const Node original_b = op_b; - if (instr.xmad.high_b) { - op_b = SignedOperation(OperationCode::ILogicalShiftRight, is_signed_b, NO_PRECISE, op_a, - Immediate(16)); - } else { - op_b = SignedOperation(OperationCode::IBitwiseAnd, is_signed_b, NO_PRECISE, op_b, - Immediate(0xffff)); - } + op_b = BitfieldExtract(op_b, instr.xmad.high_b ? 16 : 0, 16); // TODO(Rodrigo): Use an appropiate sign for this operation Node product = Operation(OperationCode::IMul, NO_PRECISE, op_a, op_b); @@ -75,11 +63,9 @@ u32 ShaderIR::DecodeXmad(BasicBlock& bb, u32 pc) { case Tegra::Shader::XmadMode::None: return op_c; case Tegra::Shader::XmadMode::CLo: - return SignedOperation(OperationCode::IBitwiseAnd, is_signed_c, NO_PRECISE, op_c, - Immediate(0xffff)); + return BitfieldExtract(op_c, 0, 16); case Tegra::Shader::XmadMode::CHi: - return SignedOperation(OperationCode::ILogicalShiftRight, is_signed_c, NO_PRECISE, op_c, - Immediate(16)); + return BitfieldExtract(op_c, 16, 16); case Tegra::Shader::XmadMode::CBcc: { const Node shifted_b = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed_b, NO_PRECISE, original_b, Immediate(16)); @@ -94,9 +80,9 @@ u32 ShaderIR::DecodeXmad(BasicBlock& bb, u32 pc) { // TODO(Rodrigo): Use an appropiate sign for this operation Node sum = Operation(OperationCode::IAdd, product, op_c); if (is_merge) { - const Node a = Operation(OperationCode::IBitwiseAnd, NO_PRECISE, sum, Immediate(0xffff)); + const Node a = BitfieldExtract(sum, 0, 16); const Node b = - Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, original_b, Immediate(0xffff)); + Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, original_b, Immediate(16)); sum = Operation(OperationCode::IBitwiseOr, NO_PRECISE, a, b); } |