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| author | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2022-09-09 00:00:00 +0000 |
|---|---|---|
| committer | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2022-09-09 15:54:14 +0200 |
| commit | e4d3abfe7720c05f0f2e752d3054236341cd5e9e (patch) | |
| tree | 444f958dd155bbc4a0cf18d29c69e4f33e711099 /compiler/rustc_codegen_ssa/src | |
| parent | 72791061666c45e830dade2445354a6f60699d69 (diff) | |
| download | rust-e4d3abfe7720c05f0f2e752d3054236341cd5e9e.tar.gz rust-e4d3abfe7720c05f0f2e752d3054236341cd5e9e.zip | |
Use memset when repeating 128bit zero value
Diffstat (limited to 'compiler/rustc_codegen_ssa/src')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 26b9fbf4428..574746e340b 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -87,7 +87,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let size = bx.const_usize(dest.layout.size.bytes()); // Use llvm.memset.p0i8.* to initialize all zero arrays - if bx.cx().const_to_opt_uint(v) == Some(0) { + if bx.cx().const_to_opt_u128(v, false) == Some(0) { let fill = bx.cx().const_u8(0); bx.memset(start, fill, size, dest.align, MemFlags::empty()); return bx; |