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Implement all vendor intrinsics used by the httparse crate

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This commit is contained in:
bjorn3 2023-11-07 09:42:01 +00:00
parent 61e38ceea7
commit 0a35232c85
1 changed files with 10 additions and 0 deletions
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10
src/intrinsics/llvm_x86.rs
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@ -27,6 +27,16 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
crate::inline_asm::codegen_xgetbv(fx, xcr_no, ret);
}
"llvm.x86.sse3.ldu.dq" | "llvm.x86.avx.ldu.dq.256" => {
// https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_lddqu_si128&ig_expand=4009
// https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_lddqu_si256&ig_expand=4010
intrinsic_args!(fx, args => (ptr); intrinsic);
// FIXME correctly handle unalignedness
let val = CValue::by_ref(Pointer::new(ptr.load_scalar(fx)), ret.layout());
ret.write_cvalue(fx, val);
}
"llvm.x86.sse.cmp.ps" | "llvm.x86.sse2.cmp.pd" => {
let (x, y, kind) = match args {
[x, y, kind] => (x, y, kind),