diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/context.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index ae9fab71f66..37ee0e14020 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -145,10 +145,13 @@ pub unsafe fn create_module<'ll>( let llvm_version = llvm_util::get_version(); if llvm_version < (16, 0, 0) { if sess.target.arch == "s390x" { - // See https://reviews.llvm.org/D131158 + // LLVM 16 data layout changed to always set 64-bit vector alignment, + // which is conditional in earlier LLVM versions. + // https://reviews.llvm.org/D131158 for the discussion. target_data_layout = target_data_layout.replace("-v128:64", ""); } else if sess.target.arch == "riscv64" { - // See https://reviews.llvm.org/D116735 + // LLVM 16 introduced this change so as to produce more efficient code. + // See https://reviews.llvm.org/D116735 for the discussion. target_data_layout = target_data_layout.replace("-n32:64-", "-n64-"); } } |