[sim] integrated SoftFloat-3 with ISA sim; removed SoftFloat-2b

[riscv-isa-sim.git] / softfloat / SoftFloat-3 / source / 8086 / s_propagateNaNF64UI.c

diff --git a/softfloat/SoftFloat-3/source/8086/s_propagateNaNF64UI.c b/softfloat/SoftFloat-3/source/8086/s_propagateNaNF64UI.c
deleted file mode 100755 (executable)
index 0ff6446..0000000
--- a/softfloat/SoftFloat-3/source/8086/s_propagateNaNF64UI.c
+++ /dev/null
@@ -1,55 +0,0 @@
-
-/*** UPDATE COMMENTS. ***/
-
-#include <stdbool.h>
-#include <stdint.h>
-#include "platform.h"
-#include "internals.h"
-#include "specialize.h"
-#include "softfloat.h"
-
-/*----------------------------------------------------------------------------
-| Takes two double-precision floating-point values `a' and `b', one of which
-| is a NaN, and returns the appropriate NaN result.  If either `a' or `b' is a
-| signaling NaN, the invalid exception is raised.
-*----------------------------------------------------------------------------*/
-
-uint_fast64_t
- softfloat_propagateNaNF64UI( uint_fast64_t uiA, uint_fast64_t uiB )
-{
-    bool isNaNA, isSigNaNA, isNaNB, isSigNaNB;
-    uint_fast64_t uiMagA, uiMagB;
-
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    isNaNA = isNaNF64UI( uiA );
-    isSigNaNA = softfloat_isSigNaNF64UI( uiA );
-    isNaNB = isNaNF64UI( uiB );
-    isSigNaNB = softfloat_isSigNaNF64UI( uiB );
-    /*------------------------------------------------------------------------
-    | Make NaNs non-signaling.
-    *------------------------------------------------------------------------*/
-    uiA |= UINT64_C( 0x0008000000000000 );
-    uiB |= UINT64_C( 0x0008000000000000 );
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    if ( isSigNaNA | isSigNaNB ) {
-        softfloat_raiseFlags( softfloat_flag_invalid );
-    }
-    if ( isSigNaNA ) {
-        if ( isSigNaNB ) goto returnLargerSignificand;
-        return isNaNB ? uiB : uiA;
-    } else if ( isNaNA ) {
-        if ( isSigNaNB || ! isNaNB ) return uiA;
- returnLargerSignificand:
-        uiMagA = uiA & UINT64_C( 0x7FFFFFFFFFFFFFFF );
-        uiMagB = uiB & UINT64_C( 0x7FFFFFFFFFFFFFFF );
-        if ( uiMagA < uiMagB ) return uiB;
-        if ( uiMagB < uiMagA ) return uiA;
-        return ( uiA < uiB ) ? uiA : uiB;
-    } else {
-        return uiB;
-    }
-
-}
-