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swiftshader
Commit 3e6f60b3 by Chris Forbes
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Implement OpIAddCarry, OpISubBorrow

Bug: b/126873455 Test: dEQP-VK.*carry* Test: dEQP-VK.*borrow* Change-Id: I2e1ec3cac30bb6abbb305a903bf457da241c8bdc Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/30969Tested-by: 's avatarChris Forbes <chrisforbes@google.com> Reviewed-by: 's avatarNicolas Capens <nicolascapens@google.com>
parent 90d251aa
Showing with 12 additions and 0 deletions
src/Pipeline/SpirvShader.cpp
......@@ -823,6 +823,8 @@ namespace sw
case spv::OpLogicalNotEqual:
case spv::OpUMulExtended:
case spv::OpSMulExtended:
case spv::OpIAddCarry:
case spv::OpISubBorrow:
case spv::OpDot:
case spv::OpConvertFToU:
case spv::OpConvertFToS:
......@@ -2376,6 +2378,8 @@ namespace sw
case spv::OpLogicalNotEqual:
case spv::OpUMulExtended:
case spv::OpSMulExtended:
case spv::OpIAddCarry:
case spv::OpISubBorrow:
return EmitBinaryOp(insn, state);
case spv::OpDot:
......@@ -3390,6 +3394,14 @@ namespace sw
dst.move(i, lhs.UInt(i) * rhs.UInt(i));
dst.move(i + lhsType.sizeInComponents, MulHigh(lhs.UInt(i), rhs.UInt(i)));
break;
case spv::OpIAddCarry:
dst.move(i, lhs.UInt(i) + rhs.UInt(i));
dst.move(i + lhsType.sizeInComponents, CmpLT(dst.UInt(i), lhs.UInt(i)) >> 31);
break;
case spv::OpISubBorrow:
dst.move(i, lhs.UInt(i) - rhs.UInt(i));
dst.move(i + lhsType.sizeInComponents, CmpLT(lhs.UInt(i), rhs.UInt(i)) >> 31);
break;
default:
UNREACHABLE("%s", OpcodeName(insn.opcode()).c_str());
}
......
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