diff --git a/clang/lib/Headers/bmiintrin.h b/clang/lib/Headers/bmiintrin.h --- a/clang/lib/Headers/bmiintrin.h +++ b/clang/lib/Headers/bmiintrin.h @@ -192,6 +192,28 @@ return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); } +/* Intel-specified, single-leading-underscore version of BEXTR2 */ +/// Extracts the specified bits from the first operand and returns them +/// in the least significant bits of the result. +/// +/// \headerfile +/// +/// This intrinsic corresponds to the BEXTR instruction. +/// +/// \param __X +/// An unsigned integer whose bits are to be extracted. +/// \param __Y +/// An unsigned integer used to specify which bits are extracted. Bits [7:0] +/// specify the index of the least significant bit. Bits [15:8] specify the +/// number of bits to be extracted. +/// \returns An unsigned integer whose least significant bits contain the +/// extracted bits. +/// \see __bextr_u32 +static __inline__ unsigned int __DEFAULT_FN_ATTRS +_bextr2_u32(unsigned int __X, unsigned int __Y) { + return __builtin_ia32_bextr_u32(__X, __Y); +} + /// Clears all bits in the source except for the least significant bit /// containing a value of 1 and returns the result. /// @@ -321,6 +343,28 @@ return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); } +/* Intel-specified, single-leading-underscore version of BEXTR2 */ +/// Extracts the specified bits from the first operand and returns them +/// in the least significant bits of the result. +/// +/// \headerfile +/// +/// This intrinsic corresponds to the BEXTR instruction. +/// +/// \param __X +/// An unsigned 64-bit integer whose bits are to be extracted. +/// \param __Y +/// An unsigned 64-bit integer used to specify which bits are extracted. Bits +/// [7:0] specify the index of the least significant bit. Bits [15:8] specify +/// the number of bits to be extracted. +/// \returns An unsigned 64-bit integer whose least significant bits contain the +/// extracted bits. +/// \see __bextr_u64 +static __inline__ unsigned long long __DEFAULT_FN_ATTRS +_bextr2_u64(unsigned long long __X, unsigned long long __Y) { + return __builtin_ia32_bextr_u64(__X, __Y); +} + /// Clears all bits in the source except for the least significant bit /// containing a value of 1 and returns the result. /// diff --git a/clang/test/CodeGen/bmi-builtins.c b/clang/test/CodeGen/bmi-builtins.c --- a/clang/test/CodeGen/bmi-builtins.c +++ b/clang/test/CodeGen/bmi-builtins.c @@ -155,6 +155,12 @@ return _bextr_u32(__X, __Y, __Z); } +unsigned int test_bextr2_u32(unsigned int __X, unsigned int __Y) { + // CHECK-LABEL: test_bextr2_u32 + // CHECK: i32 @llvm.x86.bmi.bextr.32(i32 %{{.*}}, i32 %{{.*}}) + return _bextr2_u32(__X, __Y); +} + unsigned int test_blsi_u32(unsigned int __X) { // CHECK-LABEL: test_blsi_u32 // CHECK: sub i32 0, %{{.*}} @@ -196,6 +202,13 @@ return _bextr_u64(__X, __Y, __Z); } +unsigned long long test_bextr2_u64(unsigned long long __X, + unsigned long long __Y) { + // CHECK-LABEL: test_bextr2_u64 + // CHECK: i64 @llvm.x86.bmi.bextr.64(i64 %{{.*}}, i64 %{{.*}}) + return _bextr2_u64(__X, __Y); +} + unsigned long long test_blsi_u64(unsigned long long __X) { // CHECK-LABEL: test_blsi_u64 // CHECK: sub i64 0, %{{.*}}