diff options
Diffstat (limited to '')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/asm.rs | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index a53946995..017513721 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -3,7 +3,6 @@ use crate::builder::Builder; use crate::common::Funclet; use crate::context::CodegenCx; use crate::llvm; -use crate::llvm_util; use crate::type_::Type; use crate::type_of::LayoutLlvmExt; use crate::value::Value; @@ -20,7 +19,6 @@ use rustc_target::asm::*; use libc::{c_char, c_uint}; use smallvec::SmallVec; -use tracing::debug; impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { fn codegen_inline_asm( @@ -419,13 +417,6 @@ pub(crate) fn inline_asm_call<'ll>( let constraints_ok = llvm::LLVMRustInlineAsmVerify(fty, cons.as_ptr().cast(), cons.len()); debug!("constraint verification result: {:?}", constraints_ok); if constraints_ok { - if unwind && llvm_util::get_version() < (13, 0, 0) { - bx.cx.sess().span_fatal( - line_spans[0], - "unwinding from inline assembly is only supported on llvm >= 13.", - ); - } - let v = llvm::LLVMRustInlineAsm( fty, asm.as_ptr().cast(), @@ -439,9 +430,9 @@ pub(crate) fn inline_asm_call<'ll>( ); let call = if let Some((dest, catch, funclet)) = dest_catch_funclet { - bx.invoke(fty, v, inputs, dest, catch, funclet) + bx.invoke(fty, None, v, inputs, dest, catch, funclet) } else { - bx.call(fty, v, inputs, None) + bx.call(fty, None, v, inputs, None) }; // Store mark in a metadata node so we can map LLVM errors @@ -560,6 +551,8 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) -> format!("{{{}}}", reg.name()) } } + // The constraints can be retrieved from + // https://llvm.org/docs/LangRef.html#supported-constraint-code-list InlineAsmRegOrRegClass::RegClass(reg) => match reg { InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => "r", InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) => "w", @@ -633,6 +626,8 @@ fn modifier_to_llvm( reg: InlineAsmRegClass, modifier: Option<char>, ) -> Option<char> { + // The modifiers can be retrieved from + // https://llvm.org/docs/LangRef.html#asm-template-argument-modifiers match reg { InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::reg) => modifier, InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::vreg) |