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| author | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 20:47:29 -0700 |
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| committer | Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU> | 2011-06-19 20:47:29 -0700 |
| commit | 77452a26e7d95d29dbaa797595ae683f03a3345b (patch) | |
| tree | e7aaae682f73a20ceb4d3366528b0cd38378f49d /softfloat/f64_lt_quiet.c | |
| parent | 740f981cfd55604d46598144dccac26dd53f643c (diff) | |
| download | riscv-isa-sim-77452a26e7d95d29dbaa797595ae683f03a3345b.zip riscv-isa-sim-77452a26e7d95d29dbaa797595ae683f03a3345b.tar.gz riscv-isa-sim-77452a26e7d95d29dbaa797595ae683f03a3345b.tar.bz2 | |
temporary undoing of renaming
Diffstat (limited to 'softfloat/f64_lt_quiet.c')
| -rwxr-xr-x | softfloat/f64_lt_quiet.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/softfloat/f64_lt_quiet.c b/softfloat/f64_lt_quiet.c new file mode 100755 index 0000000..f27e6da --- /dev/null +++ b/softfloat/f64_lt_quiet.c @@ -0,0 +1,40 @@ + +#include <stdbool.h> +#include <stdint.h> +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +bool f64_lt_quiet( float64_t a, float64_t b ) +{ + union ui64_f64 uA; + uint_fast64_t uiA; + union ui64_f64 uB; + uint_fast64_t uiB; + bool signA, signB; + + uA.f = a; + uiA = uA.ui; + uB.f = b; + uiB = uB.ui; + if ( + ( ( expF64UI( uiA ) == 0x7FF ) && fracF64UI( uiA ) ) + || ( ( expF64UI( uiB ) == 0x7FF ) && fracF64UI( uiB ) ) + ) { + if ( + softfloat_isSigNaNF64UI( uiA ) || softfloat_isSigNaNF64UI( uiB ) + ) { + softfloat_raiseFlags( softfloat_flag_invalid ); + } + return false; + } + signA = signF64UI( uiA ); + signB = signF64UI( uiB ); + return + ( signA != signB ) + ? signA && ( ( uiA | uiB ) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) + : ( uiA != uiB ) && ( signA ^ ( uiA < uiB ) ); + +} + |