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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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