[sim] renamed to riscv-isa-run

[riscv-isa-sim.git] / softfloat / f32_sqrt.c

diff --git a/softfloat/f32_sqrt.c b/softfloat/f32_sqrt.c
deleted file mode 100755 (executable)
index c9eb907..0000000
--- a/softfloat/f32_sqrt.c
+++ /dev/null
@@ -1,74 +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_sqrt( float32_t a )\r
-{\r
-    union ui32_f32 uA;\r
-    uint_fast32_t uiA;\r
-    bool signA;\r
-    int_fast16_t expA;\r
-    uint_fast32_t sigA, uiZ;\r
-    struct exp16_sig32 normExpSig;\r
-    int_fast16_t expZ;\r
-    uint_fast32_t sigZ;\r
-    uint_fast64_t term, rem;\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
-    if ( expA == 0xFF ) {\r
-        if ( sigA ) {\r
-            uiZ = softfloat_propagateNaNF32UI( uiA, 0 );\r
-            goto uiZ;\r
-        }\r
-        if ( ! signA ) return a;\r
-        goto invalid;\r
-    }\r
-    if ( signA ) {\r
-        if ( ! ( expA | sigA ) ) return a;\r
-        goto invalid;\r
-    }\r
-    if ( ! expA ) {\r
-        if ( ! sigA ) return a;\r
-        normExpSig = softfloat_normSubnormalF32Sig( sigA );\r
-        expA = normExpSig.exp;\r
-        sigA = normExpSig.sig;\r
-    }\r
-    expZ = ( ( expA - 0x7F )>>1 ) + 0x7E;\r
-    sigA = ( sigA | 0x00800000 )<<8;\r
-    sigZ = softfloat_estimateSqrt32( expA, sigA ) + 2;\r
-    if ( ( sigZ & 0x7F ) <= 5 ) {\r
-        if ( sigZ < 2 ) {\r
-            sigZ = 0x7FFFFFFF;\r
-            goto roundPack;\r
-        }\r
-        sigA >>= expA & 1;\r
-        term = (uint_fast64_t) sigZ * sigZ;\r
-        rem = ( (uint_fast64_t) sigA<<32 ) - term;\r
-        while ( UINT64_C( 0x8000000000000000 ) <= rem ) {\r
-            --sigZ;\r
-            rem += ( (uint_fast64_t) sigZ<<1 ) | 1;\r
-        }\r
-        sigZ |= ( rem != 0 );\r
-    }\r
-    sigZ = softfloat_shortShift32Right1Jam( sigZ );\r
- roundPack:\r
-    return softfloat_roundPackToF32( 0, expZ, sigZ );\r
- invalid:\r
-    softfloat_raiseFlags( softfloat_flag_invalid );\r
-    uiZ = defaultNaNF32UI;\r
- uiZ:\r
-    uZ.ui = uiZ;\r
-    return uZ.f;\r
-\r
-}\r
-\r