1 files changed, 79 insertions, 0 deletions
diff --git a/lib/libutils/isoc/arch/arm/softfloat/source/s_roundPackMToUI64.c b/lib/libutils/isoc/arch/arm/softfloat/source/s_roundPackMToUI64.c
new file mode 100644
index 0000000..0a57437
--- /dev/null
+++ b/lib/libutils/isoc/arch/arm/softfloat/source/s_roundPackMToUI64.c
@@ -0,0 +1,79 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3a, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions, and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+    be used to endorse or promote products derived from this software without
+    specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "softfloat.h"
+
+uint_fast64_t
+ softfloat_roundPackMToUI64(
+     bool sign, uint32_t *extSigPtr, uint_fast8_t roundingMode, bool exact )
+{
+    bool roundNearEven;
+    uint32_t sigExtra;
+    bool doIncrement;
+    uint64_t sig;
+
+    roundNearEven = (roundingMode == softfloat_round_near_even);
+    sigExtra = extSigPtr[indexWordLo( 3 )];
+    doIncrement = (0x80000000 <= sigExtra);
+    if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) {
+        doIncrement =
+            (roundingMode
+                 == (sign ? softfloat_round_min : softfloat_round_max))
+                && sigExtra;
+    }
+    sig =
+        (uint64_t) extSigPtr[indexWord( 3, 2 )]<<32
+            | extSigPtr[indexWord( 3, 1 )];
+    if ( doIncrement ) {
+        ++sig;
+        if ( ! sig ) goto invalid;
+        if ( ! (sigExtra & 0x7FFFFFFF) && roundNearEven ) sig &= ~1;
+    }
+    if ( sign && sig ) goto invalid;
+    if ( exact && sigExtra ) {
+        softfloat_exceptionFlags |= softfloat_flag_inexact;
+    }
+    return sig;
+ invalid:
+    softfloat_raiseFlags( softfloat_flag_invalid );
+    return UINT64_C( 0xFFFFFFFFFFFFFFFF );
+
+}
+