This revision was automatically updated to reflect the committed changes.
Closed by commit rL262385: This patch adds doxygen comments for the intrinsincs
in the header file… (authored by kromanova).
Changed prior to commit:
http://reviews.llvm.org/D17550?vs=48844&id=49534#toc
Repository:
rL LLVM
http://reviews.llvm.org/D17550
Files:
cfe/trunk/lib/Headers/popcntintrin.h
Index: cfe/trunk/lib/Headers/popcntintrin.h
===================================================================
--- cfe/trunk/lib/Headers/popcntintrin.h
+++ cfe/trunk/lib/Headers/popcntintrin.h
@@ -27,25 +27,65 @@
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__,
__target__("popcnt")))
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// An unsigned 32-bit integer operand.
+/// \returns A 32-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ int __DEFAULT_FN_ATTRS
_mm_popcnt_u32(unsigned int __A)
{
return __builtin_popcount(__A);
}
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// A signed 32-bit integer operand.
+/// \returns A 32-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ int __DEFAULT_FN_ATTRS
_popcnt32(int __A)
{
return __builtin_popcount(__A);
}
#ifdef __x86_64__
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// An unsigned 64-bit integer operand.
+/// \returns A 64-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ long long __DEFAULT_FN_ATTRS
_mm_popcnt_u64(unsigned long long __A)
{
return __builtin_popcountll(__A);
}
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// A signed 64-bit integer operand.
+/// \returns A 64-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ long long __DEFAULT_FN_ATTRS
_popcnt64(long long __A)
{
Index: cfe/trunk/lib/Headers/popcntintrin.h
===================================================================
--- cfe/trunk/lib/Headers/popcntintrin.h
+++ cfe/trunk/lib/Headers/popcntintrin.h
@@ -27,25 +27,65 @@
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("popcnt")))
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// An unsigned 32-bit integer operand.
+/// \returns A 32-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ int __DEFAULT_FN_ATTRS
_mm_popcnt_u32(unsigned int __A)
{
return __builtin_popcount(__A);
}
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// A signed 32-bit integer operand.
+/// \returns A 32-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ int __DEFAULT_FN_ATTRS
_popcnt32(int __A)
{
return __builtin_popcount(__A);
}
#ifdef __x86_64__
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// An unsigned 64-bit integer operand.
+/// \returns A 64-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ long long __DEFAULT_FN_ATTRS
_mm_popcnt_u64(unsigned long long __A)
{
return __builtin_popcountll(__A);
}
+/// \brief Counts the number of bits in the source operand having a value of 1.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c POPCNT instruction.
+///
+/// \param __A
+/// A signed 64-bit integer operand.
+/// \returns A 64-bit integer containing the number of bits with value 1 in the
+/// source operand.
static __inline__ long long __DEFAULT_FN_ATTRS
_popcnt64(long long __A)
{
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