diff options
| -rw-r--r-- | src/intrinsics/mod.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/intrinsics/mod.rs b/src/intrinsics/mod.rs index e3006b253b7..36e9ba9c7f8 100644 --- a/src/intrinsics/mod.rs +++ b/src/intrinsics/mod.rs @@ -1155,6 +1155,20 @@ fn codegen_regular_intrinsic_call<'tcx>( ret.write_cvalue(fx, CValue::by_val(is_eq_value, ret.layout())); } + sym::compare_bytes => { + intrinsic_args!(fx, args => (lhs_ptr, rhs_ptr, bytes_val); intrinsic); + let lhs_ptr = lhs_ptr.load_scalar(fx); + let rhs_ptr = rhs_ptr.load_scalar(fx); + let bytes_val = bytes_val.load_scalar(fx); + + let params = vec![AbiParam::new(fx.pointer_type); 3]; + let returns = vec![AbiParam::new(types::I32)]; + let args = &[lhs_ptr, rhs_ptr, bytes_val]; + // Here we assume that the `memcmp` provided by the target is a NOP for size 0. + let cmp = fx.lib_call("memcmp", params, returns, args)[0]; + ret.write_cvalue(fx, CValue::by_val(cmp, ret.layout())); + } + sym::const_allocate => { intrinsic_args!(fx, args => (_size, _align); intrinsic); |