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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/fixunsxfdi.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/fixunsxfdi.c')
-rw-r--r--lib/builtins/fixunsxfdi.c63
1 files changed, 28 insertions, 35 deletions
diff --git a/lib/builtins/fixunsxfdi.c b/lib/builtins/fixunsxfdi.c
index 075304e78dc9..75c4f093794f 100644
--- a/lib/builtins/fixunsxfdi.c
+++ b/lib/builtins/fixunsxfdi.c
@@ -1,46 +1,39 @@
-/* ===-- fixunsxfdi.c - Implement __fixunsxfdi -----------------------------===
- *
- * 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 __fixunsxfdi for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
+//===-- fixunsxfdi.c - Implement __fixunsxfdi -----------------------------===//
+//
+// 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 __fixunsxfdi for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
#if !_ARCH_PPC
#include "int_lib.h"
-/* 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
- * du_int is a 64 bit integral type
- * value in long double is representable in du_int or is negative
- * (no range checking performed)
- */
+// Assumption: long double is an intel 80 bit floating point type padded with 6
+// bytes du_int is a 64 bit integral type value in long double is representable
+// in du_int or is negative (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 du_int
-__fixunsxfdi(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(du_int) * CHAR_BIT)
- return ~(du_int)0;
- return fb.u.low.all >> (63 - e);
+COMPILER_RT_ABI du_int __fixunsxfdi(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(du_int) * CHAR_BIT)
+ return ~(du_int)0;
+ return fb.u.low.all >> (63 - e);
}
#endif