From eee9df43e69e9841aaaa9bd4eae9f600a81f20b1 Mon Sep 17 00:00:00 2001 From: SpecificProtagonist Date: Sat, 25 Jan 2025 00:54:51 +0100 Subject: miri: optimize zeroed alloc Co-authored-by: Ralf Jung --- compiler/rustc_const_eval/src/const_eval/machine.rs | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'compiler/rustc_const_eval/src/const_eval') diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index cfdfbdb7880..6a339d69542 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -21,9 +21,10 @@ use super::error::*; use crate::errors::{LongRunning, LongRunningWarn}; use crate::fluent_generated as fluent; use crate::interpret::{ - self, AllocId, AllocRange, ConstAllocation, CtfeProvenance, FnArg, Frame, GlobalAlloc, ImmTy, - InterpCx, InterpResult, MPlaceTy, OpTy, RangeSet, Scalar, compile_time_machine, interp_ok, - throw_exhaust, throw_inval, throw_ub, throw_ub_custom, throw_unsup, throw_unsup_format, + self, AllocId, AllocInit, AllocRange, ConstAllocation, CtfeProvenance, FnArg, Frame, + GlobalAlloc, ImmTy, InterpCx, InterpResult, MPlaceTy, OpTy, RangeSet, Scalar, + compile_time_machine, interp_ok, throw_exhaust, throw_inval, throw_ub, throw_ub_custom, + throw_unsup, throw_unsup_format, }; /// When hitting this many interpreted terminators we emit a deny by default lint @@ -420,6 +421,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { Size::from_bytes(size), align, interpret::MemoryKind::Machine(MemoryKind::Heap), + AllocInit::Uninit, )?; ecx.write_pointer(ptr, dest)?; } -- cgit 1.4.1-3-g733a5