diff options
Diffstat (limited to 'lldb/source/Core/Scalar.cpp')
| -rw-r--r-- | lldb/source/Core/Scalar.cpp | 441 |
1 files changed, 116 insertions, 325 deletions
diff --git a/lldb/source/Core/Scalar.cpp b/lldb/source/Core/Scalar.cpp index 4ef29e75b3d..451981a3cc6 100644 --- a/lldb/source/Core/Scalar.cpp +++ b/lldb/source/Core/Scalar.cpp @@ -491,20 +491,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -551,20 +555,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -607,20 +615,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -659,20 +671,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -707,20 +723,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -751,20 +771,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -795,20 +819,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -835,20 +863,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -875,20 +907,24 @@ bool Scalar::Promote(Scalar::Type type) { break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, true, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -911,20 +947,24 @@ bool Scalar::Promote(Scalar::Type type) { success = true; break; case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); + m_float = llvm::APFloat(llvm::APFloat::IEEEsingle()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); + m_float = llvm::APFloat(llvm::APFloat::IEEEdouble()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); + m_float = llvm::APFloat(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended()); + m_float.convertFromAPInt(m_integer, false, + llvm::APFloat::rmNearestTiesToEven); success = true; break; } @@ -948,20 +988,19 @@ bool Scalar::Promote(Scalar::Type type) { success = true; break; case e_double: - m_float = llvm::APFloat((float_t)m_float.convertToFloat()); + m_float = llvm::APFloat((double_t)m_float.convertToFloat()); success = true; break; - case e_long_double: - if (m_ieee_quad) - m_float = - llvm::APFloat(llvm::APFloat::IEEEquad(), m_float.bitcastToAPInt()); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), - m_float.bitcastToAPInt()); + case e_long_double: { + bool ignore; + m_float.convert(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended(), + llvm::APFloat::rmNearestTiesToEven, &ignore); success = true; break; } + } break; case e_double: @@ -982,16 +1021,15 @@ bool Scalar::Promote(Scalar::Type type) { case e_double: success = true; break; - case e_long_double: - if (m_ieee_quad) - m_float = - llvm::APFloat(llvm::APFloat::IEEEquad(), m_float.bitcastToAPInt()); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), - m_float.bitcastToAPInt()); + case e_long_double: { + bool ignore; + m_float.convert(m_ieee_quad ? llvm::APFloat::IEEEquad() + : llvm::APFloat::x87DoubleExtended(), + llvm::APFloat::rmNearestTiesToEven, &ignore); success = true; break; } + } break; case e_long_double: @@ -1088,253 +1126,6 @@ Scalar::Type Scalar::GetValueTypeForFloatWithByteSize(size_t byte_size) { return e_void; } -bool Scalar::Cast(Scalar::Type type) { - bool success = false; - switch (m_type) { - case e_void: - break; - - case e_sint: - case e_uint: - case e_slong: - case e_ulong: - case e_slonglong: - case e_ulonglong: - case e_sint128: - case e_uint128: - case e_sint256: - case e_uint256: - switch (type) { - case e_void: - break; - case e_sint: - m_integer = m_integer.sextOrTrunc(sizeof(sint_t) * 8); - success = true; - break; - - case e_uint: - m_integer = m_integer.zextOrTrunc(sizeof(sint_t) * 8); - success = true; - break; - - case e_slong: - m_integer = m_integer.sextOrTrunc(sizeof(slong_t) * 8); - success = true; - break; - - case e_ulong: - m_integer = m_integer.zextOrTrunc(sizeof(slong_t) * 8); - success = true; - break; - - case e_slonglong: - m_integer = m_integer.sextOrTrunc(sizeof(slonglong_t) * 8); - success = true; - break; - - case e_ulonglong: - m_integer = m_integer.zextOrTrunc(sizeof(slonglong_t) * 8); - success = true; - break; - - case e_sint128: - m_integer = m_integer.sextOrTrunc(BITWIDTH_INT128); - success = true; - break; - - case e_uint128: - m_integer = m_integer.zextOrTrunc(BITWIDTH_INT128); - success = true; - break; - - case e_sint256: - m_integer = m_integer.sextOrTrunc(BITWIDTH_INT256); - success = true; - break; - - case e_uint256: - m_integer = m_integer.zextOrTrunc(BITWIDTH_INT256); - success = true; - break; - - case e_float: - m_float = llvm::APFloat(m_integer.bitsToFloat()); - success = true; - break; - - case e_double: - m_float = llvm::APFloat(m_integer.bitsToDouble()); - success = true; - break; - - case e_long_double: - if (m_ieee_quad) - m_float = llvm::APFloat(llvm::APFloat::IEEEquad(), m_integer); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), m_integer); - success = true; - break; - } - break; - - case e_float: - switch (type) { - case e_void: - break; - case e_sint: - case e_uint: - case e_slong: - case e_ulong: - case e_slonglong: - case e_ulonglong: - case e_sint128: - case e_uint128: - case e_sint256: - case e_uint256: - m_integer = m_float.bitcastToAPInt(); - success = true; - break; - case e_float: - m_float = llvm::APFloat(m_float.convertToFloat()); - success = true; - break; - case e_double: - m_float = llvm::APFloat(m_float.convertToFloat()); - success = true; - break; - case e_long_double: - if (m_ieee_quad) - m_float = - llvm::APFloat(llvm::APFloat::IEEEquad(), m_float.bitcastToAPInt()); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), - m_float.bitcastToAPInt()); - success = true; - break; - } - break; - - case e_double: - switch (type) { - case e_void: - break; - case e_sint: - case e_uint: - case e_slong: - case e_ulong: - case e_slonglong: - case e_ulonglong: - case e_sint128: - case e_uint128: - case e_sint256: - case e_uint256: - m_integer = m_float.bitcastToAPInt(); - success = true; - break; - case e_float: - m_float = llvm::APFloat(m_float.convertToDouble()); - success = true; - break; - case e_double: - m_float = llvm::APFloat(m_float.convertToDouble()); - success = true; - break; - case e_long_double: - if (m_ieee_quad) - m_float = - llvm::APFloat(llvm::APFloat::IEEEquad(), m_float.bitcastToAPInt()); - else - m_float = llvm::APFloat(llvm::APFloat::x87DoubleExtended(), - m_float.bitcastToAPInt()); - success = true; - break; - } - break; - - case e_long_double: - switch (type) { - case e_void: - break; - case e_sint: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.sextOrTrunc(sizeof(sint_t) * 8); - success = true; - break; - - case e_uint: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.zextOrTrunc(sizeof(sint_t) * 8); - success = true; - break; - - case e_slong: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.sextOrTrunc(sizeof(slong_t) * 8); - success = true; - break; - - case e_ulong: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.zextOrTrunc(sizeof(slong_t) * 8); - success = true; - break; - - case e_slonglong: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.sextOrTrunc(sizeof(slonglong_t) * 8); - success = true; - break; - - case e_ulonglong: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.zextOrTrunc(sizeof(slonglong_t) * 8); - success = true; - break; - - case e_sint128: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.sextOrTrunc(BITWIDTH_INT128); - success = true; - break; - - case e_uint128: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.zextOrTrunc(BITWIDTH_INT128); - success = true; - break; - - case e_sint256: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.sextOrTrunc(BITWIDTH_INT256); - success = true; - break; - - case e_uint256: - m_integer = m_float.bitcastToAPInt(); - m_integer = m_integer.zextOrTrunc(BITWIDTH_INT256); - success = true; - break; - - case e_float: - m_float = llvm::APFloat(m_float.convertToFloat()); - success = true; - break; - case e_double: - m_float = llvm::APFloat(m_float.convertToFloat()); - success = true; - break; - case e_long_double: - success = true; - break; - } - break; - } - - if (success) - m_type = type; - return success; -} - bool Scalar::MakeSigned() { bool success = false; @@ -1819,7 +1610,7 @@ float Scalar::Float(float fail_value) const { case e_uint128: case e_sint256: case e_uint256: - return m_integer.bitsToFloat(); + return llvm::APIntOps::RoundAPIntToFloat(m_integer); case e_float: return m_float.convertToFloat(); case e_double: @@ -1845,7 +1636,7 @@ double Scalar::Double(double fail_value) const { case e_uint128: case e_sint256: case e_uint256: - return m_integer.bitsToDouble(); + return llvm::APIntOps::RoundAPIntToDouble(m_integer); case e_float: return (double_t)m_float.convertToFloat(); case e_double: @@ -1871,7 +1662,7 @@ long double Scalar::LongDouble(long double fail_value) const { case e_uint128: case e_sint256: case e_uint256: - return (long_double_t)m_integer.bitsToDouble(); + return (long_double_t)llvm::APIntOps::RoundAPIntToDouble(m_integer); case e_float: return (long_double_t)m_float.convertToFloat(); case e_double: |
