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Implement x86 _mm_sqrt_ss vendor intrinsic

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bjorn3 2024-08-02 16:24:08 +02:00
parent 9bad4b620f
commit c48b010845
1 changed files with 17 additions and 0 deletions
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17
src/intrinsics/llvm_x86.rs
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@ -192,6 +192,23 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
ret.place_lane(fx, 0).write_cvalue(fx, res_lane);
}
"llvm.x86.sse.sqrt.ss" => {
// https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sqrt_ss&ig_expand=6278
intrinsic_args!(fx, args => (a); intrinsic);
assert_eq!(a.layout(), ret.layout());
let (_, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx);
assert!(lane_ty.is_floating_point());
let ret_lane_layout = fx.layout_of(lane_ty);
ret.write_cvalue(fx, a);
let lane = a.value_lane(fx, 0).load_scalar(fx);
let res = fx.bcx.ins().sqrt(lane);
let res_lane = CValue::by_val(res, ret_lane_layout);
ret.place_lane(fx, 0).write_cvalue(fx, res_lane);
}
"llvm.x86.sse.sqrt.ps" => {
// https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_sqrt_ps&ig_expand=6245
intrinsic_args!(fx, args => (a); intrinsic);