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Diffstat (limited to 'lib/ppc/floatunditf.c')
| -rw-r--r-- | lib/ppc/floatunditf.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/lib/ppc/floatunditf.c b/lib/ppc/floatunditf.c deleted file mode 100644 index b12e1e738fd06..0000000000000 --- a/lib/ppc/floatunditf.c +++ /dev/null @@ -1,41 +0,0 @@ -/* This file is distributed under the University of Illinois Open Source - * License. See LICENSE.TXT for details. - */ - -/* 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; - -} |