003 File Manager
Current Path:
/usr/src/contrib/llvm-project/compiler-rt/lib/builtins/ppc
usr
/
src
/
contrib
/
llvm-project
/
compiler-rt
/
lib
/
builtins
/
ppc
/
📁
..
📄
DD.h
(1.12 KB)
📄
divtc3.c
(3.23 KB)
📄
fixtfdi.c
(3.29 KB)
📄
fixtfti.c
(1.32 KB)
📄
fixunstfdi.c
(1.94 KB)
📄
fixunstfti.c
(4.58 KB)
📄
floatditf.c
(1.02 KB)
📄
floattitf.c
(1.97 KB)
📄
floatunditf.c
(1.25 KB)
📄
gcc_qadd.c
(1.88 KB)
📄
gcc_qdiv.c
(1.25 KB)
📄
gcc_qmul.c
(1.25 KB)
📄
gcc_qsub.c
(1.88 KB)
📄
multc3.c
(2.55 KB)
📄
restFP.S
(1.44 KB)
📄
saveFP.S
(1.33 KB)
Editing: floatunditf.c
// 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 #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; }
Upload File
Create Folder