diff options
| -rw-r--r-- | include/llvm/ADT/APFloat.h | 2 | ||||
| -rw-r--r-- | lib/Support/APFloat.cpp | 17 |
2 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/ADT/APFloat.h b/include/llvm/ADT/APFloat.h index 65cb1e5..411d8ad 100644 --- a/include/llvm/ADT/APFloat.h +++ b/include/llvm/ADT/APFloat.h @@ -208,6 +208,8 @@ namespace llvm { opStatus convert(const fltSemantics &, roundingMode); opStatus convertToInteger(integerPart *, unsigned int, bool, roundingMode) const; + opStatus convertFromAPInt(const APInt &, + bool, roundingMode); opStatus convertFromSignExtendedInteger(const integerPart *, unsigned int, bool, roundingMode); opStatus convertFromZeroExtendedInteger(const integerPart *, unsigned int, diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp index cc86e79..3b448208 100644 --- a/lib/Support/APFloat.cpp +++ b/lib/Support/APFloat.cpp @@ -1913,6 +1913,23 @@ APFloat::convertFromUnsignedParts(const integerPart *src, return normalize(rounding_mode, lost_fraction); } +APFloat::opStatus +APFloat::convertFromAPInt(const APInt &Val, + bool isSigned, + roundingMode rounding_mode) +{ + unsigned int partCount = Val.getNumWords(); + APInt api = Val; + + sign = false; + if (isSigned && api.isNegative()) { + sign = true; + api = -api; + } + + return convertFromUnsignedParts(api.getRawData(), partCount, rounding_mode); +} + /* Convert a two's complement integer SRC to a floating point number, rounding according to ROUNDING_MODE. ISSIGNED is true if the integer is signed, in which case it must be sign-extended. */ |