diff options
| -rw-r--r-- | lib/Headers/bmi2intrin.h | 19 | ||||
| -rw-r--r-- | test/CodeGen/bmi2-builtins.c | 17 |
2 files changed, 36 insertions, 0 deletions
diff --git a/lib/Headers/bmi2intrin.h b/lib/Headers/bmi2intrin.h index c60b0c4393..a05cfad3d0 100644 --- a/lib/Headers/bmi2intrin.h +++ b/lib/Headers/bmi2intrin.h @@ -70,6 +70,25 @@ _pext_u64(unsigned long long __X, unsigned long long __Y) return __builtin_ia32_pext_di(__X, __Y); } +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +_mulx_u64 (unsigned long long __X, unsigned long long __Y, + unsigned long long *__P) +{ + unsigned __int128 __res = (unsigned __int128) __X * __Y; + *__P = (unsigned long long) (__res >> 64); + return (unsigned long long) __res; +} + +#else /* !__x86_64__ */ + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +_mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P) +{ + unsigned long long __res = (unsigned long long) __X * __Y; + *__P = (unsigned int) (__res >> 32); + return (unsigned int) __res; +} + #endif /* !__x86_64__ */ #endif /* __BMI2INTRIN_H */ diff --git a/test/CodeGen/bmi2-builtins.c b/test/CodeGen/bmi2-builtins.c index 18b2319f9f..201cac63b9 100644 --- a/test/CodeGen/bmi2-builtins.c +++ b/test/CodeGen/bmi2-builtins.c @@ -1,4 +1,5 @@ // RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +bmi2 -emit-llvm -o - | FileCheck %s +// RUN: %clang_cc1 %s -O3 -triple=i386-apple-darwin -target-feature +bmi2 -emit-llvm -o - | FileCheck %s --check-prefix=B32 // Don't include mm_malloc.h, it's system specific. #define __MM_MALLOC_H @@ -20,6 +21,15 @@ unsigned int test_pext_u32(unsigned int __X, unsigned int __Y) { return _pext_u32(__X, __Y); } +unsigned int test_mulx_u32(unsigned int __X, unsigned int __Y, + unsigned int *__P) { + // CHECK: @test_mulx_u32 + // CHECK-NOT: mul i64 + // B32: @test_mulx_u32 + // B32: mul i64 + return _mulx_u32(__X, __Y, __P); +} + unsigned long long test_bzhi_u64(unsigned long long __X, unsigned long long __Y) { // CHECK: @llvm.x86.bmi.bzhi.64 return _bzhi_u64(__X, __Y); @@ -34,3 +44,10 @@ unsigned long long test_pext_u64(unsigned long long __X, unsigned long long __Y) // CHECK: @llvm.x86.bmi.pext.64 return _pext_u64(__X, __Y); } + +unsigned long long test_mulx_u64(unsigned long long __X, unsigned long long __Y, + unsigned long long *__P) { + // CHECK: @test_mulx_u64 + // CHECK: mul i128 + return _mulx_u64(__X, __Y, __P); +} |