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-rw-r--r--lib/builtins/fixunsxfti.c74
1 files changed, 34 insertions, 40 deletions
diff --git a/lib/builtins/fixunsxfti.c b/lib/builtins/fixunsxfti.c
index fb39d00ff..508554e4f 100644
--- a/lib/builtins/fixunsxfti.c
+++ b/lib/builtins/fixunsxfti.c
@@ -1,50 +1,44 @@
-/* ===-- fixunsxfti.c - Implement __fixunsxfti -----------------------------===
- *
- * The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- *
- * This file implements __fixunsxfti for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- fixunsxfti.c - Implement __fixunsxfti -----------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __fixunsxfti for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
#include "int_lib.h"
#ifdef CRT_HAS_128BIT
-/* Returns: convert a to a unsigned long long, rounding toward zero.
- * Negative values all become zero.
- */
+// Returns: convert a to a unsigned long long, rounding toward zero.
+// Negative values all become zero.
-/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes
- * tu_int is a 128 bit integral type
- * value in long double is representable in tu_int or is negative
- */
+// Assumption: long double is an intel 80 bit floating point type padded with 6
+// bytes tu_int is a 128 bit integral type value in long double is representable
+// in tu_int or is negative
-/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee |
- * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
- */
+// gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee
+// eeee | 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm
+// mmmm mmmm mmmm
-COMPILER_RT_ABI tu_int
-__fixunsxfti(long double a)
-{
- long_double_bits fb;
- fb.f = a;
- int e = (fb.u.high.s.low & 0x00007FFF) - 16383;
- if (e < 0 || (fb.u.high.s.low & 0x00008000))
- return 0;
- if ((unsigned)e > sizeof(tu_int) * CHAR_BIT)
- return ~(tu_int)0;
- tu_int r = fb.u.low.all;
- if (e > 63)
- r <<= (e - 63);
- else
- r >>= (63 - e);
- return r;
+COMPILER_RT_ABI tu_int __fixunsxfti(long double a) {
+ long_double_bits fb;
+ fb.f = a;
+ int e = (fb.u.high.s.low & 0x00007FFF) - 16383;
+ if (e < 0 || (fb.u.high.s.low & 0x00008000))
+ return 0;
+ if ((unsigned)e > sizeof(tu_int) * CHAR_BIT)
+ return ~(tu_int)0;
+ tu_int r = fb.u.low.all;
+ if (e > 63)
+ r <<= (e - 63);
+ else
+ r >>= (63 - e);
+ return r;
}
-#endif /* CRT_HAS_128BIT */
+#endif // CRT_HAS_128BIT