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| author | Dale Johannesen <dalej@apple.com> | 2007-10-11 18:07:22 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-10-11 18:07:22 +0000 |
| commit | 2aef569811b24bf254b27cab0f6307c2c8d27d17 (patch) | |
| tree | 5585aa5c69106bf208bebbc089dccd54bd09154b /include/llvm/ADT/APFloat.h | |
| parent | 6ad3bd1689f2fc9732c982a8b8429b82856858fd (diff) | |
| download | external_llvm-2aef569811b24bf254b27cab0f6307c2c8d27d17.zip external_llvm-2aef569811b24bf254b27cab0f6307c2c8d27d17.tar.gz external_llvm-2aef569811b24bf254b27cab0f6307c2c8d27d17.tar.bz2 | |
Next PPC long double bits. First cut at constants.
No compile-time support for constant operations yet,
just format transformations. Make readers and
writers work. Split constants into 2 doubles in
Legalize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42865 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/APFloat.h')
| -rw-r--r-- | include/llvm/ADT/APFloat.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/llvm/ADT/APFloat.h b/include/llvm/ADT/APFloat.h index f5511f4..38d110d 100644 --- a/include/llvm/ADT/APFloat.h +++ b/include/llvm/ADT/APFloat.h @@ -126,6 +126,7 @@ namespace llvm { static const fltSemantics IEEEsingle; static const fltSemantics IEEEdouble; static const fltSemantics IEEEquad; + static const fltSemantics PPCDoubleDouble; static const fltSemantics x87DoubleExtended; /* And this psuedo, used to construct APFloats that cannot conflict with anything real. */ @@ -175,7 +176,7 @@ namespace llvm { APFloat(const fltSemantics &, fltCategory, bool negative); explicit APFloat(double d); explicit APFloat(float f); - explicit APFloat(const APInt &); + explicit APFloat(const APInt &, bool isIEEE = false); APFloat(const APFloat &); ~APFloat(); @@ -276,10 +277,12 @@ namespace llvm { APInt convertFloatAPFloatToAPInt() const; APInt convertDoubleAPFloatToAPInt() const; APInt convertF80LongDoubleAPFloatToAPInt() const; - void initFromAPInt(const APInt& api); + APInt convertPPCDoubleDoubleAPFloatToAPInt() const; + void initFromAPInt(const APInt& api, bool isIEEE = false); void initFromFloatAPInt(const APInt& api); void initFromDoubleAPInt(const APInt& api); void initFromF80LongDoubleAPInt(const APInt& api); + void initFromPPCDoubleDoubleAPInt(const APInt& api); void assign(const APFloat &); void copySignificand(const APFloat &); @@ -306,6 +309,13 @@ namespace llvm { /* The sign bit of this number. */ unsigned int sign: 1; + + /* For PPCDoubleDouble, we have a second exponent and sign (the second + significand is appended to the first one, although it would be wrong to + regard these as a single number for arithmetic purposes). These fields + are not meaningful for any other type. */ + exponent_t exponent2 : 11; + unsigned int sign2: 1; }; } /* namespace llvm */ |