1 files changed, 33 insertions, 35 deletions
diff --git a/lib/builtins/ppc/floatunditf.c b/lib/builtins/ppc/floatunditf.c
index b12e1e738fd0..fb4cd3f91d86 100644
--- a/lib/builtins/ppc/floatunditf.c
+++ b/lib/builtins/ppc/floatunditf.c
@@ -1,41 +1,39 @@
-/* This file is distributed under the University of Illinois Open Source
- * License. See LICENSE.TXT for details.
- */
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
-/* long double __floatunditf(unsigned long long x); */
-/* This file implements the PowerPC unsigned long long -> long double conversion */
+// long double __floatunditf(unsigned long long x);
+// This file implements the PowerPC unsigned long long -> long double conversion
 
 #include "DD.h"
 
 long double __floatunditf(uint64_t a) {
-	
-	/* Begins with an exact copy of the code from __floatundidf */
-	
-	static const double twop52 = 0x1.0p52;
-	static const double twop84 = 0x1.0p84;
-	static const double twop84_plus_twop52 = 0x1.00000001p84;
-	
-	doublebits high = { .d = twop84 };
-	doublebits low  = { .d = twop52 };
-	
-	high.x |= a >> 32;							/* 0x1.0p84 + high 32 bits of a */
-	low.x |= a & UINT64_C(0x00000000ffffffff);	/* 0x1.0p52 + low 32 bits of a */
-	
-	const double high_addend = high.d - twop84_plus_twop52;
-	
-	/* At this point, we have two double precision numbers
-	 * high_addend and low.d, and we wish to return their sum
-	 * as a canonicalized long double:
-	 */
-
-	/* This implementation sets the inexact flag spuriously. */
-	/* This could be avoided, but at some substantial cost. */
-	
-	DD result;
-	
-	result.s.hi = high_addend + low.d;
-	result.s.lo = (high_addend - result.s.hi) + low.d;
-	
-	return result.ld;
-	
+
+  // Begins with an exact copy of the code from __floatundidf
+
+  static const double twop52 = 0x1.0p52;
+  static const double twop84 = 0x1.0p84;
+  static const double twop84_plus_twop52 = 0x1.00000001p84;
+
+  doublebits high = {.d = twop84};
+  doublebits low = {.d = twop52};
+
+  high.x |= a >> 32;                         // 0x1.0p84 + high 32 bits of a
+  low.x |= a & UINT64_C(0x00000000ffffffff); // 0x1.0p52 + low 32 bits of a
+
+  const double high_addend = high.d - twop84_plus_twop52;
+
+  // At this point, we have two double precision numbers
+  // high_addend and low.d, and we wish to return their sum
+  // as a canonicalized long double:
+
+  // This implementation sets the inexact flag spuriously.
+  // This could be avoided, but at some substantial cost.
+
+  DD result;
+
+  result.s.hi = high_addend + low.d;
+  result.s.lo = (high_addend - result.s.hi) + low.d;
+
+  return result.ld;
 }