Michael Ilseman
1b3ab9199f
Add support for software expansion of 64-bit integer division instructions.
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Patch by Dmitri Shtilman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195116 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-19 06:54:19 +00:00
Pedro Artigas
b3201c5cf1
Enhance integer division emulation support to handle types smaller than 32 bits,
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enhancement done the trivial way; by extending inputs and truncating outputs
which is addequate for targets with little or no support for integer arithmetic
on integer types less than 32 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176139 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26 23:33:20 +00:00
Jakub Staszak
674be02d52
Fix include guards so they exactly match file names.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10 00:45:19 +00:00
Michael Ilseman
b55462bcfb
Expansions for u/srem, using the udiv expansion. More unit tests for udiv and u/srem.
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Fixed issue with Release build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164654 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26 01:55:01 +00:00
Chad Rosier
442ffc346f
Revert r164614 to appease the buildbots.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25 19:57:20 +00:00
Michael Ilseman
1309844399
Expansions for u/srem, using the udiv expansion. More unit tests for udiv and u/srem.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164614 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25 17:56:47 +00:00
Michael Ilseman
16514de50a
Document the interface for integer expansion, using doxygen-style comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19 16:03:57 +00:00
Michael Ilseman
4c8f2dd6ab
Forward declarations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19 15:55:03 +00:00
Michael Ilseman
d2014649e0
New utility for expanding integer division for targets that don't support it.
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Implementation derived from compiler-rt's implementation of signed and unsigned integer division.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 22:02:40 +00:00
