diff options
Diffstat (limited to 'compiler/rustc_codegen_cranelift/src/base.rs')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/base.rs | 44 |
1 files changed, 30 insertions, 14 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index c412e451a03..11540d80081 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -701,6 +701,10 @@ fn codegen_stmt<'tcx>( let operand = codegen_operand(fx, operand); operand.unsize_value(fx, lval); } + Rvalue::Cast(CastKind::DynStar, _, _) => { + // FIXME(dyn-star) + unimplemented!() + } Rvalue::Discriminant(place) => { let place = codegen_place(fx, place); let value = place.to_cvalue(fx); @@ -794,20 +798,31 @@ fn codegen_stmt<'tcx>( | StatementKind::AscribeUserType(..) => {} StatementKind::Coverage { .. } => fx.tcx.sess.fatal("-Zcoverage is unimplemented"), - StatementKind::CopyNonOverlapping(inner) => { - let dst = codegen_operand(fx, &inner.dst); - let pointee = dst - .layout() - .pointee_info_at(fx, rustc_target::abi::Size::ZERO) - .expect("Expected pointer"); - let dst = dst.load_scalar(fx); - let src = codegen_operand(fx, &inner.src).load_scalar(fx); - let count = codegen_operand(fx, &inner.count).load_scalar(fx); - let elem_size: u64 = pointee.size.bytes(); - let bytes = - if elem_size != 1 { fx.bcx.ins().imul_imm(count, elem_size as i64) } else { count }; - fx.bcx.call_memcpy(fx.target_config, dst, src, bytes); - } + StatementKind::Intrinsic(ref intrinsic) => match &**intrinsic { + // We ignore `assume` intrinsics, they are only useful for optimizations + NonDivergingIntrinsic::Assume(_) => {} + NonDivergingIntrinsic::CopyNonOverlapping(mir::CopyNonOverlapping { + src, + dst, + count, + }) => { + let dst = codegen_operand(fx, dst); + let pointee = dst + .layout() + .pointee_info_at(fx, rustc_target::abi::Size::ZERO) + .expect("Expected pointer"); + let dst = dst.load_scalar(fx); + let src = codegen_operand(fx, src).load_scalar(fx); + let count = codegen_operand(fx, count).load_scalar(fx); + let elem_size: u64 = pointee.size.bytes(); + let bytes = if elem_size != 1 { + fx.bcx.ins().imul_imm(count, elem_size as i64) + } else { + count + }; + fx.bcx.call_memcpy(fx.target_config, dst, src, bytes); + } + }, } } @@ -835,6 +850,7 @@ pub(crate) fn codegen_place<'tcx>( PlaceElem::Deref => { cplace = cplace.place_deref(fx); } + PlaceElem::OpaqueCast(ty) => cplace = cplace.place_opaque_cast(fx, ty), PlaceElem::Field(field, _ty) => { cplace = cplace.place_field(fx, field); } |
