diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/mod.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs index eca2abf2775..f8c32c6dbbb 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs @@ -311,6 +311,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'a, 'gcc, 'tcx> { let a_ptr = self.bitcast(a, void_ptr_type); let b_ptr = self.bitcast(b, void_ptr_type); + // Here we assume that the `memcmp` provided by the target is a NOP for size 0. let builtin = self.context.get_builtin_function("memcmp"); let cmp = self.context.new_call(None, builtin, &[a_ptr, b_ptr, n]); self.sext(cmp, self.type_ix(32)) |