Dan Gohman
ca2a0e1062
Add count{Leading,Trailing}Ones_{32,64} functions with simple implementations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47084 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-13 20:54:54 +00:00
Chris Lattner
dc97d4cb2f
make this 64-bit safe
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46402 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-26 19:50:30 +00:00
Chris Lattner
7ed47a1335
Don't attribute in file headers anymore. See llvmdev for the
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discussion of this change. Boy are my fingers tired. ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 19:59:42 +00:00
Duncan Sands
fd617d0143
Move MinAlign to MathExtras.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43944 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-09 13:41:39 +00:00
Chris Lattner
18a4c74136
remove extraneous type qualifiers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36679 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-03 18:14:56 +00:00
Anton Korobeynikov
bed2946a96
Removed tabs everywhere except autogenerated & external files. Add make
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target for tabs checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36146 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-16 18:10:23 +00:00
Jeff Cohen
c3c395cf5e
Be more explicit concerning argument sizes.
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Use VC++ byteswap intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35267 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-22 19:11:57 +00:00
Jeff Cohen
ca5183d445
Unbreak VC++ build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34917 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-05 00:00:42 +00:00
Chris Lattner
82a60eca8f
fix 80 col violations, mark arrays static
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34915 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-04 23:33:03 +00:00
Anton Korobeynikov
e6efc85939
Fix uninitialized use of variable. Remove tabs and fix identation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34850 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 22:19:41 +00:00
Owen Anderson
a505fb6d9f
Fix a typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34836 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 05:03:07 +00:00
Owen Anderson
c100b96b15
Use GCC intrinsics when available, and use smarter fallbacks when not.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34812 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 21:16:30 +00:00
Owen Anderson
2a934cb607
Use the GCC built-in for PopulationCount when it's available, and use a faster
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algorithm when it's not. This should be particularly noticeable in the
64-bit case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34776 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 05:41:28 +00:00
Chris Lattner
49e6a9bc94
Doxgenate comments.
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Add GreatestCommonDivisor64
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32661 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-19 01:11:32 +00:00
Jim Laskey
a091fa8619
Ignoring the upper 32 bits of a 64 bit constant is not a good thing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32294 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 22:47:14 +00:00
Chris Lattner
f42d1ddb18
remove IncludeFile turds in MathExtras.h, which bloats every .o file that
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#includes it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29639 91177308-0d34-0410-b5e6-96231b3b80d8
2006-08-11 23:52:54 +00:00
Reid Spencer
7107c3badf
For PR780:
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1. Move IncludeFile.h to System library
2. Move IncludeFile.cpp to System library
3. #1 and #2 required to prevent cyclic library dependencies for libSystem
4. Convert all existing uses of Support/IncludeFile.h to System/IncludeFile.h
5. Add IncludeFile support to various lib/System classes.
6. Add new lib/System classes to LinkAllVMCore.h
All this in an attempt to pull in lib/System to what's required for VMCore
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29287 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-26 16:18:00 +00:00
Chris Lattner
0683c8cad9
Add functions to compute ceil(log2(N)) to match functions for floor(log2(N))
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29168 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-18 00:47:10 +00:00
Reid Spencer
72a8e6f58c
Whoops, missed a couple more C-style casts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28905 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-21 22:19:00 +00:00
Reid Spencer
54cb98578a
Use C++ style casts instead of C-style casts to shut up compiler warnings
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when compiling with -pedantic. Passes regression tests on Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28904 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-21 21:54:54 +00:00
Reid Spencer
19b7e0e0ca
For PR786:
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Minor tweaks in public headers and a few .cpp files so that LLVM can build
successfully with -pedantic and projects using LLVM with -pedantic don't
get warnings from LLVM. There's still more -pedantic warnings to fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28453 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-24 19:21:13 +00:00
Jeff Cohen
b69c190c26
Fix generous source of VC++ truncation warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25311 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-14 02:17:20 +00:00
Nate Begeman
6fb3bd6a65
Add bswap intrinsics as documented in the Language Reference
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25309 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-14 01:25:24 +00:00
Jeff Cohen
cadee65f54
Remove prolific source of VC++ truncation warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23657 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-07 05:29:25 +00:00
Nate Begeman
16d6ea5264
Add support for count trailing zeroes, and population count. These are
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needed for folding constants in the upcoming dag combiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23163 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 00:25:01 +00:00
Jim Laskey
1043389135
include/llvm/Support/MathExtras.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22846 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-17 23:54:12 +00:00
Jim Laskey
59b8fcfa5f
Added support for converting raw bits to FP, and FP to raw bits. The intent
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is to avoid the distraction of the union declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22830 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-17 17:27:47 +00:00
Chris Lattner
2be12faabb
Fix an obvious bug in the Log2 stuff that broke SingleSource/UnitTests/2005-05-12-Int64ToFP
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last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22630 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-03 20:53:19 +00:00
Chris Lattner
89bfcd34cb
Wrap comments to 80 cols, fix code sequence for CountLeadingZeros_64 on
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non-ppc GCC 4.0 machines. Patch by Jim Laskey!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22618 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-03 16:53:58 +00:00
Chris Lattner
865dc8f64f
Fix another bug in the clz patch that caused miscompilations when !gcc4
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22616 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-03 01:04:40 +00:00
Chris Lattner
e6ec587059
Fix the non-gcc 4.0 paths for countleadingzeros
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Patch fixed by Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22598 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-02 20:21:33 +00:00
Chris Lattner
591083a5c7
Fix inverted conditionals
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22597 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-02 20:06:18 +00:00
Chris Lattner
3b65576527
Fix the non-gcc 4.0 path to compile
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22593 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-02 19:21:51 +00:00
Chris Lattner
88c606eb0c
Consolidate all of the various log2 computing functions into MathExtras.h.
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Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22591 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-02 19:15:30 +00:00
Misha Brukman
63b3afa984
Remove trailing whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21411 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 20:48:15 +00:00
Reid Spencer
551ccae044
Changes For Bug 352
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Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
2004-09-01 22:55:40 +00:00
Chris Lattner
e265504e82
Add an overload
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15889 91177308-0d34-0410-b5e6-96231b3b80d8
2004-08-17 19:17:10 +00:00
Brian Gaeke
a7d03b466a
Add prototypes for platform-independent wrappers for isinf().
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Patch contributed by Bill Wendling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15055 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-21 03:15:14 +00:00
Brian Gaeke
7764f4b2e0
Provide prototypes for IsNAN() wrapper.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14339 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-23 00:25:24 +00:00
Brian Gaeke
bb92f6fbf2
Cygwin defines log2 as a macro. Undef it here IFF it has already been defined,
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so that we always get the inline function instead. Remember, kids, like it says
in the GCC manual, "An Inline Function is As Fast As a Macro."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11815 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 01:53:45 +00:00
Chris Lattner
8b70b78ba4
Fixes for PR114: Thanks to Reid Spencer!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10029 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-16 20:21:15 +00:00
Brian Gaeke
d0fde30ce8
Put all LLVM code into the llvm namespace, as per bug 109.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-11 22:41:34 +00:00
John Criswell
b2109ce978
Added LLVM notice.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9300 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20 19:46:57 +00:00
Chris Lattner
48486893f4
Standardize header file comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8782 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-30 18:37:50 +00:00
Brian Gaeke
a9f6e4ae0e
Regularize the names of #include-guards.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6732 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-17 00:35:55 +00:00
Chris Lattner
4a63b72df9
Don't #include <Support/*>, #include "Support/*"
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4325 91177308-0d34-0410-b5e6-96231b3b80d8
2002-10-28 02:11:53 +00:00
Chris Lattner
16ca2b991b
Fix ambiguity problem due to builtin log2(double) function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3800 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-17 23:56:50 +00:00
Chris Lattner
54ea60c69e
Cleanups, rename IsPowerOf2 to isPowerOf2
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2662 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-19 21:19:55 +00:00
Vikram S. Adve
bcfa423e3d
Added log2 for log-base-2 and also modified IsPower2 to use it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2653 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-19 15:46:52 +00:00
Chris Lattner
cee8f9ae67
Create a new #include "Support/..." directory structure to move things
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from "llvm/Support/..." that are not llvm dependant.
Move files and fix #includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1400 91177308-0d34-0410-b5e6-96231b3b80d8
2001-11-27 00:03:19 +00:00