Displaying 1 result from an estimated 1 matches for "x86_max_qb".
2018 Sep 06
2
Adding an trinsics in x86
...e！
I am a newbie at llvm. So the question may be fundamental but difficult to me.
I want to add an trinsics in x86 and make the following changes.I want that max_qb can find the max of two Integers and return it.
In src/include/llvm/IR/Intrinsics.td :
let TargetPrefix = "x86" in {
def int_x86_max_qb: GCCBuiltin<"__builtin_x86_max_qb">,
Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;
}
In src//tools/clang/include/clang/Basic/BuiltinsX86.def
TARGET_BUILTIN(__builtin_x86_max_qb, "V2iV2iV2i", "ncV:64:", "") //I don't know t...