1 files changed, 61 insertions, 0 deletions
diff --git a/src/libs/softfloat-3e/source/s_normSubnormalF128SigM.c b/src/libs/softfloat-3e/source/s_normSubnormalF128SigM.c
new file mode 100644
index 00000000..f2745dec
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+++ b/src/libs/softfloat-3e/source/s_normSubnormalF128SigM.c
@@ -0,0 +1,61 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3e, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016 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 <stdint.h>
+#include "platform.h"
+#include "internals.h"
+
+int softfloat_normSubnormalF128SigM( uint32_t *sigPtr )
+{
+    const uint32_t *ptr;
+    int_fast16_t shiftDist;
+    uint32_t wordSig;
+
+    ptr = sigPtr + indexWordHi( 4 );
+    shiftDist = 0;
+    for (;;) {
+        wordSig = *ptr;
+        if ( wordSig ) break;
+        shiftDist += 32;
+        if ( 128 <= shiftDist ) return 1;
+        ptr -= wordIncr;
+    }
+    shiftDist += softfloat_countLeadingZeros32( wordSig ) - 15;
+    if ( shiftDist ) softfloat_shiftLeft128M( sigPtr, shiftDist, sigPtr );
+    return 1 - shiftDist;
+
+}
+