diff options
Diffstat (limited to 'compiler/rustc_const_eval/src')
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/machine.rs | 6 | ||||
| -rw-r--r-- | compiler/rustc_const_eval/src/interpret/terminator.rs | 12 | ||||
| -rw-r--r-- | compiler/rustc_const_eval/src/transform/validate.rs | 6 |
3 files changed, 11 insertions, 13 deletions
diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index ee5de44a651..c798f1ce018 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -374,11 +374,17 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { kind: Option<MemoryKind<Self::MemoryKind>>, ) -> InterpResult<'tcx, Cow<'b, Allocation<Self::Provenance, Self::AllocExtra, Self::Bytes>>>; + /// Evaluate the inline assembly. + /// + /// This should take care of jumping to the next block (one of `targets`) when asm goto + /// is triggered, `targets[0]` when the assembly falls through, or diverge in case of + /// `InlineAsmOptions::NORETURN` being set. fn eval_inline_asm( _ecx: &mut InterpCx<'mir, 'tcx, Self>, _template: &'tcx [InlineAsmTemplatePiece], _operands: &[mir::InlineAsmOperand<'tcx>], _options: InlineAsmOptions, + _targets: &[mir::BasicBlock], ) -> InterpResult<'tcx> { throw_unsup_format!("inline assembly is not supported") } diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index 55f85573f38..f2b1ec42567 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -1,6 +1,5 @@ use std::borrow::Cow; -use rustc_ast::ast::InlineAsmOptions; use rustc_middle::{ mir, ty::{ @@ -224,15 +223,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { terminator.kind ), - InlineAsm { template, ref operands, options, destination, .. } => { - M::eval_inline_asm(self, template, operands, options)?; - if options.contains(InlineAsmOptions::NORETURN) { - throw_ub_custom!(fluent::const_eval_noreturn_asm_returned); - } - self.go_to_block( - destination - .expect("InlineAsm terminators without noreturn must have a destination"), - ) + InlineAsm { template, ref operands, options, ref targets, .. } => { + M::eval_inline_asm(self, template, operands, options, targets)?; } } diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index cc49e8ea247..74ba2f6039e 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -471,9 +471,9 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> { self.check_edge(location, *real_target, EdgeKind::Normal); self.check_unwind_edge(location, *unwind); } - TerminatorKind::InlineAsm { destination, unwind, .. } => { - if let Some(destination) = destination { - self.check_edge(location, *destination, EdgeKind::Normal); + TerminatorKind::InlineAsm { targets, unwind, .. } => { + for &target in targets { + self.check_edge(location, target, EdgeKind::Normal); } self.check_unwind_edge(location, *unwind); } |
