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Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/intrinsic.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 4e86094ce3b..a9b06030e70 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -330,6 +330,7 @@ impl<'ll, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'_, 'll, 'tcx> { } sym::compare_bytes => { + // Here we assume that the `memcmp` provided by the target is a NOP for size 0. let cmp = self.call_intrinsic( "memcmp", &[args[0].immediate(), args[1].immediate(), args[2].immediate()], |