diff options
| author | Stephen Hines <srhines@google.com> | 2012-09-10 16:47:31 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2012-09-10 16:47:31 -0700 |
| commit | 1c4ad5ef4fab105f0c8af7edd026e00502fb6279 (patch) | |
| tree | cb5bdfd58f776d00be450d0a5585f8f0186585da /include/llvm/Support/MathExtras.h | |
| parent | d62cdbe700ab288e9ad447824066edb7d17167d9 (diff) | |
| parent | 1dc2591e9ef0730612902f94976ce85bed6859de (diff) | |
| download | external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.zip external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.tar.gz external_llvm-1c4ad5ef4fab105f0c8af7edd026e00502fb6279.tar.bz2 | |
Merge branch 'upstream' into merge-2012_09_10
Conflicts:
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
lib/Support/DynamicLibrary.cpp
lib/Support/LockFileManager.cpp
Change-Id: I91e94c3a7a76e19c688307c5a480a640a3bd2b7e
Diffstat (limited to 'include/llvm/Support/MathExtras.h')
| -rw-r--r-- | include/llvm/Support/MathExtras.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index 4005161..35c2694 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -463,12 +463,24 @@ template <unsigned B> inline int32_t SignExtend32(uint32_t x) { return int32_t(x << (32 - B)) >> (32 - B); } +/// \brief Sign extend number in the bottom B bits of X to a 32-bit int. +/// Requires 0 < B <= 32. +inline int32_t SignExtend32(uint32_t X, unsigned B) { + return int32_t(X << (32 - B)) >> (32 - B); +} + /// SignExtend64 - Sign extend B-bit number x to 64-bit int. /// Usage int64_t r = SignExtend64<5>(x); template <unsigned B> inline int64_t SignExtend64(uint64_t x) { return int64_t(x << (64 - B)) >> (64 - B); } +/// \brief Sign extend number in the bottom B bits of X to a 64-bit int. +/// Requires 0 < B <= 64. +inline int64_t SignExtend64(uint64_t X, unsigned B) { + return int64_t(X << (64 - B)) >> (64 - B); +} + } // End llvm namespace #endif |