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

[riscv-isa-sim.git] / softfloat / SoftFloat-3 / source / f32_mul.c

diff --git a/softfloat/SoftFloat-3/source/f32_mul.c b/softfloat/SoftFloat-3/source/f32_mul.c
deleted file mode 100755 (executable)
index d49c1dd..0000000
--- a/softfloat/SoftFloat-3/source/f32_mul.c
+++ /dev/null
@@ -1,89 +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
-float32_t f32_mul( float32_t a, float32_t b )\r
-{\r
-    union ui32_f32 uA;\r
-    uint_fast32_t uiA;\r
-    bool signA;\r
-    int_fast16_t expA;\r
-    uint_fast32_t sigA;\r
-    union ui32_f32 uB;\r
-    uint_fast32_t uiB;\r
-    bool signB;\r
-    int_fast16_t expB;\r
-    uint_fast32_t sigB;\r
-    bool signZ;\r
-    uint_fast32_t magBits;\r
-    struct exp16_sig32 normExpSig;\r
-    int_fast16_t expZ;\r
-    uint_fast32_t sigZ, uiZ;\r
-    union ui32_f32 uZ;\r
-\r
-    uA.f = a;\r
-    uiA = uA.ui;\r
-    signA = signF32UI( uiA );\r
-    expA = expF32UI( uiA );\r
-    sigA = fracF32UI( uiA );\r
-    uB.f = b;\r
-    uiB = uB.ui;\r
-    signB = signF32UI( uiB );\r
-    expB = expF32UI( uiB );\r
-    sigB = fracF32UI( uiB );\r
-    signZ = signA ^ signB;\r
-    if ( expA == 0xFF ) {\r
-        if ( sigA || ( ( expB == 0xFF ) && sigB ) ) goto propagateNaN;\r
-        magBits = expB | sigB;\r
-        goto infArg;\r
-    }\r
-    if ( expB == 0xFF ) {\r
-        if ( sigB ) goto propagateNaN;\r
-        magBits = expA | sigA;\r
-        goto infArg;\r
-    }\r
-    if ( ! expA ) {\r
-        if ( ! sigA ) goto zero;\r
-        normExpSig = softfloat_normSubnormalF32Sig( sigA );\r
-        expA = normExpSig.exp;\r
-        sigA = normExpSig.sig;\r
-    }\r
-    if ( ! expB ) {\r
-        if ( ! sigB ) goto zero;\r
-        normExpSig = softfloat_normSubnormalF32Sig( sigB );\r
-        expB = normExpSig.exp;\r
-        sigB = normExpSig.sig;\r
-    }\r
-    expZ = expA + expB - 0x7F;\r
-    sigA = ( sigA | 0x00800000 )<<7;\r
-    sigB = ( sigB | 0x00800000 )<<8;\r
-    sigZ = softfloat_shortShift64RightJam( (uint_fast64_t) sigA * sigB, 32 );\r
-    if ( sigZ < 0x40000000 ) {\r
-        --expZ;\r
-        sigZ <<= 1;\r
-    }\r
-    return softfloat_roundPackToF32( signZ, expZ, sigZ );\r
- propagateNaN:\r
-    uiZ = softfloat_propagateNaNF32UI( uiA, uiB );\r
-    goto uiZ;\r
- infArg:\r
-    if ( ! magBits ) {\r
-        softfloat_raiseFlags( softfloat_flag_invalid );\r
-        uiZ = defaultNaNF32UI;\r
-    } else {\r
-        uiZ = packToF32UI( signZ, 0xFF, 0 );\r
-    }\r
-    goto uiZ;\r
- zero:\r
-    uiZ = packToF32UI( signZ, 0, 0 );\r
- uiZ:\r
-    uZ.ui = uiZ;\r
-    return uZ.f;\r
-\r
-}\r
-\r