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authorDimitry Andric <dim@FreeBSD.org>2019-08-20 20:51:06 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-08-20 20:51:06 +0000
commit8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab (patch)
tree05a2b6ec297fe6283d9557c791445d1daf88dcd0 /lib/builtins/fixxfdi.c
parent63714eb5809e39666dec2454c354195e76f916ba (diff)
downloadsrc-8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab.tar.gz
src-8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab.zip
Vendor import of stripped compiler-rt trunk r366426 (just before the release_90vendor/compiler-rt/compiler-rt-trunk-r366426
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=351282 svn path=/vendor/compiler-rt/compiler-rt-trunk-r366426/; revision=351283; tag=vendor/compiler-rt/compiler-rt-trunk-r366426
Diffstat (limited to 'lib/builtins/fixxfdi.c')
-rw-r--r--lib/builtins/fixxfdi.c71
1 files changed, 33 insertions, 38 deletions
diff --git a/lib/builtins/fixxfdi.c b/lib/builtins/fixxfdi.c
index 011787f9e4b4..4783c0101740 100644
--- a/lib/builtins/fixxfdi.c
+++ b/lib/builtins/fixxfdi.c
@@ -1,48 +1,43 @@
-/* ===-- fixxfdi.c - Implement __fixxfdi -----------------------------------===
- *
- * 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 __fixxfdi for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- fixxfdi.c - Implement __fixxfdi -----------------------------------===//
+//
+// 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 __fixxfdi for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
#if !_ARCH_PPC
#include "int_lib.h"
-/* Returns: convert a to a signed long long, rounding toward zero. */
+// Returns: convert a to a signed long long, rounding toward zero.
-/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes
- * di_int is a 64 bit integral type
- * value in long double is representable in di_int (no range checking performed)
- */
+// Assumption: long double is an intel 80 bit floating point type padded with 6
+// bytes di_int is a 64 bit integral type value in long double is representable
+// in di_int (no range checking performed)
-/* 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 di_int
-__fixxfdi(long double a)
-{
- const di_int di_max = (di_int)((~(du_int)0) / 2);
- const di_int di_min = -di_max - 1;
- long_double_bits fb;
- fb.f = a;
- int e = (fb.u.high.s.low & 0x00007FFF) - 16383;
- if (e < 0)
- return 0;
- if ((unsigned)e >= sizeof(di_int) * CHAR_BIT)
- return a > 0 ? di_max : di_min;
- di_int s = -(si_int)((fb.u.high.s.low & 0x00008000) >> 15);
- di_int r = fb.u.low.all;
- r = (du_int)r >> (63 - e);
- return (r ^ s) - s;
+COMPILER_RT_ABI di_int __fixxfdi(long double a) {
+ const di_int di_max = (di_int)((~(du_int)0) / 2);
+ const di_int di_min = -di_max - 1;
+ long_double_bits fb;
+ fb.f = a;
+ int e = (fb.u.high.s.low & 0x00007FFF) - 16383;
+ if (e < 0)
+ return 0;
+ if ((unsigned)e >= sizeof(di_int) * CHAR_BIT)
+ return a > 0 ? di_max : di_min;
+ di_int s = -(si_int)((fb.u.high.s.low & 0x00008000) >> 15);
+ di_int r = fb.u.low.all;
+ r = (du_int)r >> (63 - e);
+ return (r ^ s) - s;
}
-#endif /* !_ARCH_PPC */
+#endif // !_ARCH_PPC