diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 10 | ||||
| -rw-r--r-- | clang/lib/Headers/altivec.h | 8 |
2 files changed, 15 insertions, 3 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index fbba561f7cc..fc3d1266146 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -6992,6 +6992,16 @@ Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID, llvm::Function *F = CGM.getIntrinsic(ID, ResultType); return Builder.CreateCall(F, X); } + + // Absolute value + case PPC::BI__builtin_vsx_xvabsdp: + case PPC::BI__builtin_vsx_xvabssp: { + llvm::Type *ResultType = ConvertType(E->getType()); + Value *X = EmitScalarExpr(E->getArg(0)); + llvm::Function *F = CGM.getIntrinsic(Intrinsic::fabs, ResultType); + return Builder.CreateCall(F, X); + } + // FMA variations case PPC::BI__builtin_vsx_xvmaddadp: case PPC::BI__builtin_vsx_xvmaddasp: diff --git a/clang/lib/Headers/altivec.h b/clang/lib/Headers/altivec.h index 5973326fe4e..017f69678ec 100644 --- a/clang/lib/Headers/altivec.h +++ b/clang/lib/Headers/altivec.h @@ -124,16 +124,18 @@ vec_abs(vector signed long long __a) { #endif static vector float __ATTRS_o_ai vec_abs(vector float __a) { +#ifdef __VSX__ + return __builtin_vsx_xvabssp(__a); +#else vector unsigned int __res = (vector unsigned int)__a & (vector unsigned int)(0x7FFFFFFF); return (vector float)__res; +#endif } #if defined(__POWER8_VECTOR__) && defined(__powerpc64__) static vector double __ATTRS_o_ai vec_abs(vector double __a) { - vector unsigned long long __res = { 0x7FFFFFFFFFFFFFFF, 0x7FFFFFFFFFFFFFFF }; - __res &= (vector unsigned int)__a; - return (vector double)__res; + return __builtin_vsx_xvabsdp(__a); } #endif |
