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Update data layout for 32-bit msvc targets

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https://reviews.llvm.org/D115942 changed the alignment of f80.
This commit is contained in:
Nikita Popov 2022-02-02 10:01:02 +01:00 committed by Nikita Popov
parent f34914141e
commit a380581ff8
3 changed files with 13 additions and 3 deletions
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12
compiler/rustc_codegen_llvm/src/context.rs
View File

@ -134,7 +134,8 @@ pub unsafe fn create_module<'ll>(
let llmod = llvm::LLVMModuleCreateWithNameInContext(mod_name.as_ptr(), llcx);
let mut target_data_layout = sess.target.data_layout.clone();
if llvm_util::get_version() < (13, 0, 0) {
let llvm_version = llvm_util::get_version();
if llvm_version < (13, 0, 0) {
if sess.target.arch == "powerpc64" {
target_data_layout = target_data_layout.replace("-S128", "");
}
@ -145,6 +146,15 @@ pub unsafe fn create_module<'ll>(
target_data_layout = "e-m:e-p:64:64-i64:64-n32:64-S128".to_string();
}
}
if llvm_version < (14, 0, 0) {
if sess.target.llvm_target == "i686-pc-windows-msvc"
|| sess.target.llvm_target == "i586-pc-windows-msvc"
{
target_data_layout =
"e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:32-n8:16:32-a:0:32-S32"
.to_string();
}
}
// Ensure the data-layout values hardcoded remain the defaults.
if sess.target.is_builtin {

2
compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs
View File

@ -24,7 +24,7 @@ pub fn target() -> Target {
llvm_target: "i686-pc-windows-msvc".to_string(),
pointer_width: 32,
data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
i64:64-f80:32-n8:16:32-a:0:32-S32"
i64:64-f80:128-n8:16:32-a:0:32-S32"
.to_string(),
arch: "x86".to_string(),
options: base,

2
compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs
View File

@ -9,7 +9,7 @@ pub fn target() -> Target {
llvm_target: "i686-pc-windows-msvc".to_string(),
pointer_width: 32,
data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
i64:64-f80:32-n8:16:32-a:0:32-S32"
i64:64-f80:128-n8:16:32-a:0:32-S32"
.to_string(),
arch: "x86".to_string(),
options: base,