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

[riscv-isa-sim.git] / softfloat / SoftFloat-3 / source / f64_mul.c

diff --git a/softfloat/SoftFloat-3/source/f64_mul.c b/softfloat/SoftFloat-3/source/f64_mul.c
deleted file mode 100755 (executable)
index 4b5dc4e..0000000
--- a/softfloat/SoftFloat-3/source/f64_mul.c
+++ /dev/null
@@ -1,91 +0,0 @@
-\r
-#include <stdbool.h>\r
-#include <stdint.h>\r
-#include "platform.h"\r
-#include "primitives.h"\r
-#include "internals.h"\r
-#include "specialize.h"\r
-#include "softfloat.h"\r
-\r
-float64_t f64_mul( float64_t a, float64_t b )\r
-{\r
-    union ui64_f64 uA;\r
-    uint_fast64_t uiA;\r
-    bool signA;\r
-    int_fast16_t expA;\r
-    uint_fast64_t sigA;\r
-    union ui64_f64 uB;\r
-    uint_fast64_t uiB;\r
-    bool signB;\r
-    int_fast16_t expB;\r
-    uint_fast64_t sigB;\r
-    bool signZ;\r
-    uint_fast64_t magBits;\r
-    struct exp16_sig64 normExpSig;\r
-    int_fast16_t expZ;\r
-    struct uint128 sigZ128;\r
-    uint_fast64_t sigZ, uiZ;\r
-    union ui64_f64 uZ;\r
-\r
-    uA.f = a;\r
-    uiA = uA.ui;\r
-    signA = signF64UI( uiA );\r
-    expA = expF64UI( uiA );\r
-    sigA = fracF64UI( uiA );\r
-    uB.f = b;\r
-    uiB = uB.ui;\r
-    signB = signF64UI( uiB );\r
-    expB = expF64UI( uiB );\r
-    sigB = fracF64UI( uiB );\r
-    signZ = signA ^ signB;\r
-    if ( expA == 0x7FF ) {\r
-        if ( sigA || ( ( expB == 0x7FF ) && sigB ) ) goto propagateNaN;\r
-        magBits = expB | sigB;\r
-        goto infArg;\r
-    }\r
-    if ( expB == 0x7FF ) {\r
-        if ( sigB ) goto propagateNaN;\r
-        magBits = expA | sigA;\r
-        goto infArg;\r
-    }\r
-    if ( ! expA ) {\r
-        if ( ! sigA ) goto zero;\r
-        normExpSig = softfloat_normSubnormalF64Sig( sigA );\r
-        expA = normExpSig.exp;\r
-        sigA = normExpSig.sig;\r
-    }\r
-    if ( ! expB ) {\r
-        if ( ! sigB ) goto zero;\r
-        normExpSig = softfloat_normSubnormalF64Sig( sigB );\r
-        expB = normExpSig.exp;\r
-        sigB = normExpSig.sig;\r
-    }\r
-    expZ = expA + expB - 0x3FF;\r
-    sigA = ( sigA | UINT64_C( 0x0010000000000000 ) )<<10;\r
-    sigB = ( sigB | UINT64_C( 0x0010000000000000 ) )<<11;\r
-    sigZ128 = softfloat_mul64To128( sigA, sigB );\r
-    sigZ = sigZ128.v64 | ( sigZ128.v0 != 0 );\r
-    if ( sigZ < UINT64_C( 0x4000000000000000 ) ) {\r
-        --expZ;\r
-        sigZ <<= 1;\r
-    }\r
-    return softfloat_roundPackToF64( signZ, expZ, sigZ );\r
- propagateNaN:\r
-    uiZ = softfloat_propagateNaNF64UI( uiA, uiB );\r
-    goto uiZ;\r
- infArg:\r
-    if ( ! magBits ) {\r
-        softfloat_raiseFlags( softfloat_flag_invalid );\r
-        uiZ = defaultNaNF64UI;\r
-    } else {\r
-        uiZ = packToF64UI( signZ, 0x7FF, 0 );\r
-    }\r
-    goto uiZ;\r
- zero:\r
-    uiZ = packToF64UI( signZ, 0, 0 );\r
- uiZ:\r
-    uZ.ui = uiZ;\r
-    return uZ.f;\r
-\r
-}\r
-\r