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Update stdarch submodule and remove special handling in cranelift codegen for some AVX and SSE2 LLVM intrinsics #115580

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Sep 7, 2023
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Update stdarch submodule and remove special handling in cranelift codegen for some AVX and SSE2 LLVM intrinsics #115580

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537edd0
Bump stdarch submodule
eduardosm Sep 5, 2023
c3edc57
Remove special handling in codegen for some SSE2 "storeu" intrinsics
eduardosm Sep 5, 2023
0b6ee86
Remove special handling in codegen for some AVX and SSE2 shift by imm…
eduardosm Sep 5, 2023
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Remove special handling in codegen for some SSE2 "storeu" intrinsics 
Those were removed from stdarch in rust-lang/stdarch#1463 (`<*mut _>::write_unaligned` is used instead)
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@eduardosm
eduardosm committed Sep 5, 2023
commit c3edc579810ae536c4a468e5b8e1cd88fda73567
8 changes: 0 additions & 8 deletions compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -506,14 +506,6 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
ret.place_lane(fx, 2).to_ptr().store(fx, res_2, MemFlags::trusted());
ret.place_lane(fx, 3).to_ptr().store(fx, res_3, MemFlags::trusted());
}
"llvm.x86.sse2.storeu.dq" | "llvm.x86.sse2.storeu.pd" => {
intrinsic_args!(fx, args => (mem_addr, a); intrinsic);
let mem_addr = mem_addr.load_scalar(fx);

// FIXME correctly handle the unalignment
let dest = CPlace::for_ptr(Pointer::new(mem_addr), a.layout());
dest.write_cvalue(fx, a);
}
"llvm.x86.ssse3.pabs.b.128" | "llvm.x86.ssse3.pabs.w.128" | "llvm.x86.ssse3.pabs.d.128" => {
let a = match args {
[a] => a,
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