Merge pull request #156 from p12nGH/noncontiguous_harts

[riscv-isa-sim.git] / softfloat / f32_le.c

diff --git a/softfloat/f32_le.c b/softfloat/f32_le.c
old mode 100755 (executable)
new mode 100644 (file)
index 5f47be5..77595fb
--- a/softfloat/f32_le.c
+++ b/softfloat/f32_le.c
@@ -1,4 +1,39 @@
 
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, 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"
@@ -17,18 +52,15 @@ bool f32_le( float32_t a, float32_t b )
     uiA = uA.ui;
     uB.f = b;
     uiB = uB.ui;
-    if (
-           ( ( expF32UI( uiA ) == 0xFF ) && fracF32UI( uiA ) )
-        || ( ( expF32UI( uiB ) == 0xFF ) && fracF32UI( uiB ) )
-    ) {
+    if ( isNaNF32UI( uiA ) || isNaNF32UI( uiB ) ) {
         softfloat_raiseFlags( softfloat_flag_invalid );
         return false;
     }
     signA = signF32UI( uiA );
     signB = signF32UI( uiB );
     return
-        ( signA != signB ) ? signA || ! (uint32_t) ( ( uiA | uiB )<<1 )
-            : ( uiA == uiB ) || ( signA ^ ( uiA < uiB ) );
+        (signA != signB) ? signA || ! (uint32_t) ((uiA | uiB)<<1)
+            : (uiA == uiB) || (signA ^ (uiA < uiB));
 
 }