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| author | Jeroen Ketema <j.ketema@imperial.ac.uk> | 2016-06-13 15:21:04 +0000 |
|---|---|---|
| committer | Jeroen Ketema <j.ketema@imperial.ac.uk> | 2016-06-13 15:21:04 +0000 |
| commit | c84c40757239fde66dfa0fdd35aaa5f069fa03cd (patch) | |
| tree | 1dd651a57cb4debca83f4877978c922f5458cb76 /lib/builtins/floatundidf.c | |
| parent | 5885e1e27091f3774465b62649c271bd13a237ae (diff) | |
[builtins] replace tabs by spaces and remove whitespace at end of line NFC
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@272550 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/builtins/floatundidf.c')
| -rw-r--r-- | lib/builtins/floatundidf.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/builtins/floatundidf.c b/lib/builtins/floatundidf.c index 67aa86e5e..d0622090c 100644 --- a/lib/builtins/floatundidf.c +++ b/lib/builtins/floatundidf.c @@ -14,7 +14,7 @@ /* Returns: convert a to a double, rounding toward even. */ -/* Assumption: double is a IEEE 64 bit floating point type +/* Assumption: double is a IEEE 64 bit floating point type * du_int is a 64 bit integral type */ @@ -32,24 +32,24 @@ ARM_EABI_FNALIAS(ul2d, floatundidf) COMPILER_RT_ABI double __floatundidf(du_int a) { - static const double twop52 = 4503599627370496.0; // 0x1.0p52 - static const double twop84 = 19342813113834066795298816.0; // 0x1.0p84 - static const double twop84_plus_twop52 = 19342813118337666422669312.0; // 0x1.00000001p84 - - union { uint64_t x; double d; } high = { .d = twop84 }; - union { uint64_t x; double d; } low = { .d = twop52 }; - - high.x |= a >> 32; - low.x |= a & UINT64_C(0x00000000ffffffff); - - const double result = (high.d - twop84_plus_twop52) + low.d; - return result; + static const double twop52 = 4503599627370496.0; // 0x1.0p52 + static const double twop84 = 19342813113834066795298816.0; // 0x1.0p84 + static const double twop84_plus_twop52 = 19342813118337666422669312.0; // 0x1.00000001p84 + + union { uint64_t x; double d; } high = { .d = twop84 }; + union { uint64_t x; double d; } low = { .d = twop52 }; + + high.x |= a >> 32; + low.x |= a & UINT64_C(0x00000000ffffffff); + + const double result = (high.d - twop84_plus_twop52) + low.d; + return result; } #else /* Support for systems that don't have hardware floating-point; there are no flags to * set, and we don't want to code-gen to an unknown soft-float implementation. - */ + */ COMPILER_RT_ABI double __floatundidf(du_int a) |