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Differential D13693

Expand out floating point exponents for MSVC
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Authored by angelsl on Oct 13 2015, 4:23 AM.

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compnerd

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angelsl updated this revision to Diff 37233.Oct 13 2015, 4:23 AM
angelsl retitled this revision from to Expand out floating point exponents for MSVC.
angelsl updated this object.
angelsl added a reviewer: compnerd.
angelsl added a subscriber: compnerd.
angelsl added a subscriber: llvm-commits.
compnerd accepted this revision.Oct 14 2015, 9:24 PM
compnerd edited edge metadata.
This revision is now accepted and ready to land.Oct 14 2015, 9:24 PM
compnerd closed this revision.Oct 14 2015, 9:28 PM

SVN r250365.

Revision Contents

PathSize
lib/
builtins/
4 lines
6 lines

Diff 37233

lib/builtins/floatdidf.c

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COMPILER_RT_ABI double COMPILER_RT_ABI double
__floatdidf(di_int a) __floatdidf(di_int a)
{ {
static const double twop52 = 0x1.0p52; static const double twop52 = 4503599627370496.0; // 0x1.0p52
static const double twop32 = 0x1.0p32; static const double twop32 = 4294967296.0; // 0x1.0p32
union { int64_t x; double d; } low = { .d = twop52 }; union { int64_t x; double d; } low = { .d = twop52 };
Context not available.

lib/builtins/floatundidf.c

Context not available.
COMPILER_RT_ABI double COMPILER_RT_ABI double
__floatundidf(du_int a) __floatundidf(du_int a)
{ {
static const double twop52 = 0x1.0p52; static const double twop52 = 4503599627370496.0; // 0x1.0p52
static const double twop84 = 0x1.0p84; static const double twop84 = 19342813113834066795298816.0; // 0x1.0p84
static const double twop84_plus_twop52 = 0x1.00000001p84; 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; } high = { .d = twop84 };
union { uint64_t x; double d; } low = { .d = twop52 }; union { uint64_t x; double d; } low = { .d = twop52 };
Context not available.