make funnel shifts work

Author: folkertdev

compiler/rustc_hir_analysis/src/check/intrinsic.rs

@@ -85,6 +85,8 @@ fn intrinsic_operation_unsafety(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId) -> hi
         | sym::saturating_sub
         | sym::rotate_left
         | sym::rotate_right
+        | sym::funnel_shl
+        | sym::funnel_shr
         | sym::ctpop
         | sym::ctlz
         | sym::cttz

library/core/src/lib.rs

@@ -156,6 +156,7 @@
 #![feature(f128)]
 #![feature(freeze_impls)]
 #![feature(fundamental)]
+#![feature(funnel_shifts)]
 #![feature(if_let_guard)]
 #![feature(intra_doc_pointers)]
 #![feature(intrinsics)]

library/core/src/num/mod.rs

@@ -1222,6 +1222,9 @@ impl usize {
         rot = 4,
         rot_op = "0xa003",
         rot_result = "0x3a",
+        fsh_op = "0x2fe78e45983acd98039000008736273",
+        fshl_result = "0x4f7602fe",
+        fshr_result = "0x4f7602fe78e45983acd9803900000873",
         swap_op = "0x1234",
         swapped = "0x3412",
         reversed = "0x2c48",
@@ -1246,6 +1249,9 @@ impl usize {
         rot = 8,
         rot_op = "0x10000b3",
         rot_result = "0xb301",
+        fsh_op = "0x2fe78e45",
+        fshl_result = "0xb32f",
+        fshr_result = "0xb32fe78e",
         swap_op = "0x12345678",
         swapped = "0x78563412",
         reversed = "0x1e6a2c48",
@@ -1270,6 +1276,9 @@ impl usize {
         rot = 12,
         rot_op = "0xaa00000000006e1",
         rot_result = "0x6e10aa",
+        fsh_op = "0x2fe78e45983acd98",
+        fshl_result = "0x6e12fe",
+        fshr_result = "0x6e12fe78e45983ac",
         swap_op = "0x1234567890123456",
         swapped = "0x5634129078563412",
         reversed = "0x6a2c48091e6a2c48",

library/core/src/num/uint_macros.rs

@@ -391,6 +391,7 @@ macro_rules! uint_impl {
         /// Basic usage:
         ///
         /// ```
+        /// #![feature(funnel_shifts)]
         #[doc = concat!("let a = ", $rot_op, stringify!($SelfT), ";")]
         #[doc = concat!("let b = ", $fsh_op, stringify!($SelfT), ";")]
         #[doc = concat!("let m = ", $fshl_result, ";")]
@@ -419,6 +420,7 @@ macro_rules! uint_impl {
         /// Basic usage:
         ///
         /// ```
+        /// #![feature(funnel_shifts)]
         #[doc = concat!("let a = ", $rot_op, stringify!($SelfT), ";")]
         #[doc = concat!("let b = ", $fsh_op, stringify!($SelfT), ";")]
         #[doc = concat!("let m = ", $fshr_result, ";")]

library/std/src/lib.rs

@@ -296,6 +296,7 @@
 #![feature(f128)]
 #![feature(ffi_const)]
 #![feature(formatting_options)]
+#![feature(funnel_shifts)]
 #![feature(hash_map_internals)]
 #![feature(hash_map_macro)]
 #![feature(if_let_guard)]