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Add support for const operands and options to global_asm!

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On x86, the default syntax is also switched to Intel to match asm!
This commit is contained in:
Amanieu d'Antras 2021-04-11 20:51:28 +01:00
parent 40a62a998f
commit d342a3490b
1 changed files with 14 additions and 3 deletions
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17
src/driver/aot.rs
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@ -3,6 +3,7 @@
use std::path::PathBuf;
use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_codegen_ssa::back::linker::LinkerInfo;
use rustc_codegen_ssa::{CodegenResults, CompiledModule, CrateInfo, ModuleKind};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@ -125,9 +126,19 @@ fn module_codegen(
MonoItem::Static(def_id) => crate::constant::codegen_static(tcx, &mut module, def_id),
MonoItem::GlobalAsm(item_id) => {
let item = cx.tcx.hir().item(item_id);
if let rustc_hir::ItemKind::GlobalAsm(rustc_hir::GlobalAsm { asm }) = item.kind {
cx.global_asm.push_str(&*asm.as_str());
cx.global_asm.push_str("\n\n");
if let rustc_hir::ItemKind::GlobalAsm(asm) = item.kind {
if !asm.options.contains(InlineAsmOptions::ATT_SYNTAX) {
cx.global_asm.push_str("\n.intel_syntax noprefix\n");
} else {
cx.global_asm.push_str("\n.att_syntax\n");
}
for piece in asm.template {
match *piece {
InlineAsmTemplatePiece::String(ref s) => cx.global_asm.push_str(s),
InlineAsmTemplatePiece::Placeholder { .. } => todo!(),
}
}
cx.global_asm.push_str("\n.att_syntax\n\n");
} else {
bug!("Expected GlobalAsm found {:?}", item);
}