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

[riscv-isa-sim.git] / softfloat / SoftFloat-3 / source / s_subMagsF64.c

diff --git a/softfloat/SoftFloat-3/source/s_subMagsF64.c b/softfloat/SoftFloat-3/source/s_subMagsF64.c
deleted file mode 100755 (executable)
index 45b81ba..0000000
--- a/softfloat/SoftFloat-3/source/s_subMagsF64.c
+++ /dev/null
@@ -1,81 +0,0 @@
-
-#include <stdbool.h>
-#include <stdint.h>
-#include "platform.h"
-#include "primitives.h"
-#include "internals.h"
-#include "specialize.h"
-#include "softfloat.h"
-
-float64_t
- softfloat_subMagsF64( uint_fast64_t uiA, uint_fast64_t uiB, bool signZ )
-{
-    int_fast16_t expA;
-    uint_fast64_t sigA;
-    int_fast16_t expB;
-    uint_fast64_t sigB;
-    int_fast16_t expDiff;
-    uint_fast64_t uiZ;
-    int_fast16_t expZ;
-    uint_fast64_t sigZ;
-    union ui64_f64 uZ;
-
-    expA = expF64UI( uiA );
-    sigA = fracF64UI( uiA );
-    expB = expF64UI( uiB );
-    sigB = fracF64UI( uiB );
-    expDiff = expA - expB;
-    sigA <<= 10;
-    sigB <<= 10;
-    if ( 0 < expDiff ) goto expABigger;
-    if ( expDiff < 0 ) goto expBBigger;
-    if ( expA == 0x7FF ) {
-        if ( sigA | sigB ) goto propagateNaN;
-        softfloat_raiseFlags( softfloat_flag_invalid );
-        uiZ = defaultNaNF64UI;
-        goto uiZ;
-    }
-    if ( ! expA ) {
-        expA = 1;
-        expB = 1;
-    }
-    if ( sigB < sigA ) goto aBigger;
-    if ( sigA < sigB ) goto bBigger;
-    uiZ = packToF64UI( softfloat_roundingMode == softfloat_round_min, 0, 0 );
-    goto uiZ;
- expBBigger:
-    if ( expB == 0x7FF ) {
-        if ( sigB ) goto propagateNaN;
-        uiZ = packToF64UI( signZ ^ 1, 0x7FF, 0 );
-        goto uiZ;
-    }
-    sigA += expA ? UINT64_C( 0x4000000000000000 ) : sigA;
-    sigA = softfloat_shift64RightJam( sigA, - expDiff );
-    sigB |= UINT64_C( 0x4000000000000000 );
- bBigger:
-    signZ ^= 1;
-    expZ = expB;
-    sigZ = sigB - sigA;
-    goto normRoundPack;
- expABigger:
-    if ( expA == 0x7FF ) {
-        if ( sigA ) goto propagateNaN;
-        uiZ = uiA;
-        goto uiZ;
-    }
-    sigB += expB ? UINT64_C( 0x4000000000000000 ) : sigB;
-    sigB = softfloat_shift64RightJam( sigB, expDiff );
-    sigA |= UINT64_C( 0x4000000000000000 );
- aBigger:
-    expZ = expA;
-    sigZ = sigA - sigB;
- normRoundPack:
-    return softfloat_normRoundPackToF64( signZ, expZ - 1, sigZ );
- propagateNaN:
-    uiZ = softfloat_propagateNaNF64UI( uiA, uiB );
- uiZ:
-    uZ.ui = uiZ;
-    return uZ.f;
-
-}
-