kromanova created this revision.
kromanova added reviewers: gribozavr, jroelofs, ygao.
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kromanova set the repository for this revision to rL LLVM.
Hello,
Here is the patch with the doxygen comments for the intrinsincs in the header
file __wmmintrin_pclmul.h.
The doxygen comments are automatically generated based on our internal
intrinsics document.
I will submit more doxygen comments for the other intrinsic header files as
soon as this patch is approved.
Here is the link to the general discussion about adding comments to x86
intrinsics headers.
http://permalink.gmane.org/gmane.comp.compilers.clang.devel/42032
Here is the link to the similar code review for the doxygen comments for the
header file ammintrin.h "Adding doxygen comments to the LLVM intrinsics (part
1, ammintrin.h)"
http://reviews.llvm.org/D8762
Please review.
Katya.
Repository:
rL LLVM
http://reviews.llvm.org/D15999
Files:
lib/Headers/__wmmintrin_pclmul.h
Index: lib/Headers/__wmmintrin_pclmul.h
===================================================================
--- lib/Headers/__wmmintrin_pclmul.h
+++ lib/Headers/__wmmintrin_pclmul.h
@@ -23,6 +23,36 @@
#ifndef _WMMINTRIN_PCLMUL_H
#define _WMMINTRIN_PCLMUL_H
+/// \brief Multiplies two 64-bit integer values, selected from the operands
+/// using the immediate value operand. The multiplication is a carry-less
+/// multiplication, and the 128-bit integer product is stored in the
+/// destination.
+///
+/// \headerfile <x86intrin.h>
+///
+/// \code
+/// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I);
+/// \endcode
+///
+/// This intrinsic corresponds to \c VPCLMULQDQ instruction.
+///
+/// \param __X
+/// A 128-bit vector of [2 x i64] containing one of the source
+/// operands.
+/// \param __Y
+/// A 128-bit vector of [2 x i64] containing one of the source
+/// operands.
+/// \param __I
+/// An immediate value specifying which 64-bit values to select
+/// from the operands.
+/// Bit 0 is used to select a value from operand __X,
+/// and bit 4 is used to select a value from operand __Y:
+/// Bit[0]=0 indicates that bits[63:0] of operand __X are used.
+/// Bit[0]=1 indicates that bits[127:64] of operand __X are used.
+/// Bit[4]=0 indicates that bits[63:0] of operand __Y are used.
+/// Bit[4]=1 indicates that bits[127:64] of operand __Y are used.
+/// \returns The 128-bit integer vector containing the result of the carry-less
+/// multiplication of the selected 64-bit values.
#define _mm_clmulepi64_si128(__X, __Y, __I) \
((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
(__v2di)(__m128i)(__Y), (char)(__I)))
Index: lib/Headers/__wmmintrin_pclmul.h
===================================================================
--- lib/Headers/__wmmintrin_pclmul.h
+++ lib/Headers/__wmmintrin_pclmul.h
@@ -23,6 +23,36 @@
#ifndef _WMMINTRIN_PCLMUL_H
#define _WMMINTRIN_PCLMUL_H
+/// \brief Multiplies two 64-bit integer values, selected from the operands
+/// using the immediate value operand. The multiplication is a carry-less
+/// multiplication, and the 128-bit integer product is stored in the
+/// destination.
+///
+/// \headerfile <x86intrin.h>
+///
+/// \code
+/// __m128i _mm_clmulepi64_si128(__m128i __X, __m128i __Y, const int __I);
+/// \endcode
+///
+/// This intrinsic corresponds to \c VPCLMULQDQ instruction.
+///
+/// \param __X
+/// A 128-bit vector of [2 x i64] containing one of the source
+/// operands.
+/// \param __Y
+/// A 128-bit vector of [2 x i64] containing one of the source
+/// operands.
+/// \param __I
+/// An immediate value specifying which 64-bit values to select
+/// from the operands.
+/// Bit 0 is used to select a value from operand __X,
+/// and bit 4 is used to select a value from operand __Y:
+/// Bit[0]=0 indicates that bits[63:0] of operand __X are used.
+/// Bit[0]=1 indicates that bits[127:64] of operand __X are used.
+/// Bit[4]=0 indicates that bits[63:0] of operand __Y are used.
+/// Bit[4]=1 indicates that bits[127:64] of operand __Y are used.
+/// \returns The 128-bit integer vector containing the result of the carry-less
+/// multiplication of the selected 64-bit values.
#define _mm_clmulepi64_si128(__X, __Y, __I) \
((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(__X), \
(__v2di)(__m128i)(__Y), (char)(__I)))
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