Update regex and implement necessary AArch64 vendor intrinsics

Upstream has removed the shootout-regex-dna example.

5 files changed, 276 insertions, 265 deletions

diff --git a/build_system/tests.rs b/build_system/tests.rs
index d00ae381916..8955012e9bf 100644
--- a/build_system/tests.rs
+++ b/build_system/tests.rs
@@ -9,7 +9,7 @@ use crate::path::{Dirs, RelPath};
 use crate::prepare::{apply_patches, GitRepo};
 use crate::rustc_info::get_default_sysroot;
 use crate::shared_utils::rustflags_from_env;
-use crate::utils::{spawn_and_wait, spawn_and_wait_with_input, CargoProject, Compiler, LogGroup};
+use crate::utils::{spawn_and_wait, CargoProject, Compiler, LogGroup};
 use crate::{CodegenBackend, SysrootKind};
 
 static BUILD_EXAMPLE_OUT_DIR: RelPath = RelPath::BUILD.join("example");
@@ -114,8 +114,8 @@ pub(crate) static RAND: CargoProject = CargoProject::new(&RAND_REPO.source_dir()
 pub(crate) static REGEX_REPO: GitRepo = GitRepo::github(
     "rust-lang",
     "regex",
-    "32fed9429eafba0ae92a64b01796a0c5a75b88c8",
-    "fcc4df7c5b902633",
+    "061ee815ef2c44101dba7b0b124600fcb03c1912",
+    "dc26aefbeeac03ca",
     "regex",
 );
 
@@ -178,40 +178,6 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
             spawn_and_wait(build_cmd);
         }
     }),
-    TestCase::custom("test.regex-shootout-regex-dna", &|runner| {
-        REGEX_REPO.patch(&runner.dirs);
-
-        REGEX.clean(&runner.dirs);
-
-        let mut build_cmd = REGEX.build(&runner.target_compiler, &runner.dirs);
-        build_cmd.arg("--example").arg("shootout-regex-dna");
-        spawn_and_wait(build_cmd);
-
-        if runner.is_native {
-            let mut run_cmd = REGEX.run(&runner.target_compiler, &runner.dirs);
-            run_cmd.arg("--example").arg("shootout-regex-dna");
-
-            let input = fs::read_to_string(
-                REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-input.txt"),
-            )
-            .unwrap();
-            let expected = fs::read_to_string(
-                REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-output.txt"),
-            )
-            .unwrap();
-
-            let output = spawn_and_wait_with_input(run_cmd, input);
-
-            let output_matches = expected.lines().eq(output.lines());
-            if !output_matches {
-                println!("Output files don't match!");
-                println!("Expected Output:\n{}", expected);
-                println!("Actual Output:\n{}", output);
-
-                std::process::exit(1);
-            }
-        }
-    }),
     TestCase::custom("test.regex", &|runner| {
         REGEX_REPO.patch(&runner.dirs);
 
@@ -221,7 +187,22 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
             let mut run_cmd = REGEX.test(&runner.target_compiler, &runner.dirs);
             // regex-capi and regex-debug don't have any tests. Nor do they contain any code
             // that is useful to test with cg_clif. Skip building them to reduce test time.
-            run_cmd.args(["-p", "regex", "-p", "regex-syntax", "--", "-q"]);
+            run_cmd.args([
+                "-p",
+                "regex",
+                "-p",
+                "regex-syntax",
+                "--release",
+                "--all-targets",
+                "--",
+                "-q",
+            ]);
+            spawn_and_wait(run_cmd);
+
+            let mut run_cmd = REGEX.test(&runner.target_compiler, &runner.dirs);
+            // don't run integration tests for regex-autonata. they take like 2min each without
+            // much extra coverage of simd usage.
+            run_cmd.args(["-p", "regex-automata", "--release", "--lib", "--", "-q"]);
             spawn_and_wait(run_cmd);
         } else {
             eprintln!("Cross-Compiling: Not running tests");
diff --git a/build_system/utils.rs b/build_system/utils.rs
index 9f5e37db35e..d50013d9b24 100644
--- a/build_system/utils.rs
+++ b/build_system/utils.rs
@@ -1,8 +1,8 @@
 use std::env;
 use std::fs;
-use std::io::{self, Write};
+use std::io;
 use std::path::{Path, PathBuf};
-use std::process::{self, Command, Stdio};
+use std::process::{self, Command};
 use std::sync::atomic::{AtomicBool, Ordering};
 
 use crate::path::{Dirs, RelPath};
@@ -220,28 +220,6 @@ pub(crate) fn retry_spawn_and_wait(tries: u64, mut cmd: Command) {
     process::exit(1);
 }
 
-#[track_caller]
-pub(crate) fn spawn_and_wait_with_input(mut cmd: Command, input: String) -> String {
-    let mut child = cmd
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("Failed to spawn child process");
-
-    let mut stdin = child.stdin.take().expect("Failed to open stdin");
-    std::thread::spawn(move || {
-        stdin.write_all(input.as_bytes()).expect("Failed to write to stdin");
-    });
-
-    let output = child.wait_with_output().expect("Failed to read stdout");
-    if !output.status.success() {
-        eprintln!("{cmd:?} exited with status {:?}", output.status);
-        process::exit(1);
-    }
-
-    String::from_utf8(output.stdout).unwrap()
-}
-
 pub(crate) fn remove_dir_if_exists(path: &Path) {
     match fs::remove_dir_all(&path) {
         Ok(()) => {}
diff --git a/config.txt b/config.txt
index fa1c9f4259c..7ff805e58d9 100644
--- a/config.txt
+++ b/config.txt
@@ -46,6 +46,5 @@ aot.issue-59326
 testsuite.extended_sysroot
 test.rust-random/rand
 test.libcore
-test.regex-shootout-regex-dna
 test.regex
 test.portable-simd
diff --git a/patches/regex-lock.toml b/patches/regex-lock.toml
index 0e4a33b90ea..e0df6f9ae26 100644
--- a/patches/regex-lock.toml
+++ b/patches/regex-lock.toml
@@ -4,51 +4,49 @@ version = 3
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.20"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+checksum = "0f2135563fb5c609d2b2b87c1e8ce7bc41b0b45430fa9661f457981503dd5bf0"
 dependencies = [
+ "log",
  "memchr",
 ]
 
 [[package]]
-name = "bitflags"
-version = "1.3.2"
+name = "anyhow"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
 [[package]]
-name = "bzip2"
-version = "0.3.3"
+name = "arbitrary"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
 dependencies = [
- "bzip2-sys",
- "libc",
+ "derive_arbitrary",
 ]
 
 [[package]]
-name = "bzip2-sys"
-version = "0.1.11+1.0.8"
+name = "atty"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "736a955f3fa7875102d57c82b8cac37ec45224a07fd32d58f9f7a186b6cd4cdc"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "cc",
+ "hermit-abi",
  "libc",
- "pkg-config",
+ "winapi",
 ]
 
 [[package]]
-name = "cc"
-version = "1.0.79"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
-
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
+name = "bstr"
+version = "1.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "4c2f7349907b712260e64b0afe2f84692af14a454be26187d9df565c7f69266a"
+dependencies = [
+ "memchr",
+ "serde",
+]
 
 [[package]]
 name = "cfg-if"
@@ -57,114 +55,129 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
-name = "docopt"
-version = "1.1.1"
+name = "derive_arbitrary"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f3f119846c823f9eafcf953a8f6ffb6ed69bf6240883261a7f13b634579a51f"
+checksum = "53e0efad4403bfc52dc201159c4b842a246a14b98c64b55dfd0f2d89729dfeb8"
 dependencies = [
- "lazy_static",
- "regex 1.8.3",
- "serde",
- "strsim",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "filetime"
-version = "0.2.21"
+name = "doc-comment"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
+
+[[package]]
+name = "env_logger"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cbc844cecaee9d4443931972e1289c8ff485cb4cc2767cb03ca139ed6885153"
+checksum = "a12e6657c4c97ebab115a42dcee77225f7f482cdd841cf7088c657a42e9e00e7"
 dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "redox_syscall",
- "windows-sys",
+ "atty",
+ "humantime",
+ "log",
+ "termcolor",
 ]
 
 [[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
 name = "getrandom"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c85e1d9ab2eadba7e5040d4e09cbd6d072b76a557ad64e797c2cb9d4da21d7e4"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
  "wasi",
 ]
 
 [[package]]
-name = "lazy_static"
-version = "1.4.0"
+name = "hashbrown"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
 
 [[package]]
-name = "libc"
-version = "0.2.144"
+name = "hermit-abi"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
-
-[[package]]
-name = "libpcre-sys"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ff3dd28ba96d6fe6752882f2f1b25ba8e1646448e79042442347cf3a92a6666"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
 dependencies = [
- "bzip2",
  "libc",
- "pkg-config",
- "tar",
 ]
 
 [[package]]
-name = "memchr"
-version = "2.5.0"
+name = "humantime"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
-name = "memmap"
-version = "0.6.2"
+name = "indexmap"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2ffa2c986de11a9df78620c01eeaaf27d94d3ff02bf81bfcca953102dd0c6ff"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
 dependencies = [
- "libc",
- "winapi",
+ "equivalent",
+ "hashbrown",
 ]
 
 [[package]]
-name = "onig"
-version = "3.2.2"
+name = "lexopt"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baff4b617f7df3d896f97fe922b64817f6cd9a756bb81d40f8883f2f66dcb401"
+
+[[package]]
+name = "libc"
+version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5eeb268a4620c74ea5768c6d2ccd492d60a47a8754666b91a46bfc35cd4d1ba"
+checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
+
+[[package]]
+name = "log"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
+
+[[package]]
+name = "memchr"
+version = "2.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c"
 dependencies = [
- "bitflags",
- "lazy_static",
- "libc",
- "onig_sys",
+ "log",
 ]
 
 [[package]]
-name = "onig_sys"
-version = "68.2.1"
+name = "memmap2"
+version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "195ebddbb56740be48042ca117b8fb6e0d99fe392191a9362d82f5f69e510379"
+checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
 dependencies = [
- "cc",
  "libc",
- "pkg-config",
 ]
 
 [[package]]
-name = "pkg-config"
-version = "0.3.27"
+name = "once_cell"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.59"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
+checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
 dependencies = [
  "unicode-ident",
 ]
@@ -180,9 +193,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.28"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -206,95 +219,101 @@ dependencies = [
 ]
 
 [[package]]
-name = "redox_syscall"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
 name = "regex"
-version = "1.7.2"
+version = "1.9.5"
 dependencies = [
  "aho-corasick",
- "lazy_static",
+ "anyhow",
+ "doc-comment",
+ "env_logger",
  "memchr",
+ "once_cell",
  "quickcheck",
- "rand",
- "regex-syntax 0.6.29",
+ "regex-automata",
+ "regex-syntax",
+ "regex-test",
 ]
 
 [[package]]
-name = "regex"
-version = "1.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81ca098a9821bd52d6b24fd8b10bd081f47d39c22778cafaa75a2857a62c6390"
+name = "regex-automata"
+version = "0.3.8"
 dependencies = [
- "regex-syntax 0.7.2",
+ "aho-corasick",
+ "anyhow",
+ "bstr",
+ "doc-comment",
+ "env_logger",
+ "log",
+ "memchr",
+ "quickcheck",
+ "regex-syntax",
+ "regex-test",
 ]
 
 [[package]]
-name = "regex-benchmark"
+name = "regex-cli"
 version = "0.1.0"
 dependencies = [
- "cc",
- "cfg-if 0.1.10",
- "docopt",
- "lazy_static",
- "libc",
- "libpcre-sys",
- "memmap",
- "onig",
- "pkg-config",
- "regex 1.7.2",
- "regex-syntax 0.6.29",
- "serde",
+ "anyhow",
+ "bstr",
+ "lexopt",
+ "log",
+ "memmap2",
+ "regex",
+ "regex-automata",
+ "regex-lite",
+ "regex-syntax",
+ "tabwriter",
+ "textwrap",
 ]
 
 [[package]]
-name = "regex-debug"
+name = "regex-lite"
 version = "0.1.0"
 dependencies = [
- "docopt",
- "regex 1.7.2",
- "regex-syntax 0.6.29",
- "serde",
+ "anyhow",
+ "regex-test",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.29"
+version = "0.7.5"
+dependencies = [
+ "arbitrary",
+]
 
 [[package]]
-name = "regex-syntax"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+name = "regex-test"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "bstr",
+ "serde",
+ "toml",
+]
 
 [[package]]
 name = "rure"
 version = "0.2.2"
 dependencies = [
  "libc",
- "regex 1.7.2",
+ "regex",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.163"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2113ab51b87a539ae008b5c6c02dc020ffa39afd2d83cffcb3f4eb2722cebec2"
+checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.163"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
+checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -302,16 +321,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "strsim"
-version = "0.10.0"
+name = "serde_spanned"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+checksum = "96426c9936fd7a0124915f9185ea1d20aa9445cc9821142f0a73bc9207a2e186"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "7303ef2c05cd654186cb250d29049a24840ca25d2747c25c0381c8d9e2f582e8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -319,121 +341,117 @@ dependencies = [
 ]
 
 [[package]]
-name = "tar"
-version = "0.4.38"
+name = "tabwriter"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b55807c0344e1e6c04d7c965f5289c39a8d94ae23ed5c0b57aabac549f871c6"
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- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
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 dependencies = [
- "libc",
+ "memchr",
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diff --git a/src/intrinsics/llvm_aarch64.rs b/src/intrinsics/llvm_aarch64.rs
index aea4259a3b9..0c211a06dc4 100644
--- a/src/intrinsics/llvm_aarch64.rs
+++ b/src/intrinsics/llvm_aarch64.rs
@@ -156,6 +156,41 @@ pub(crate) fn codegen_aarch64_llvm_intrinsic_call<'tcx>(
             });
         }
 
+        // FIXME generalize vector types
+        "llvm.aarch64.neon.tbl1.v16i8" => {
+            intrinsic_args!(fx, args => (t, idx); intrinsic);
+
+            let zero = fx.bcx.ins().iconst(types::I8, 0);
+            for i in 0..16 {
+                let idx_lane = idx.value_lane(fx, i).load_scalar(fx);
+                let is_zero =
+                    fx.bcx.ins().icmp_imm(IntCC::UnsignedGreaterThanOrEqual, idx_lane, 16);
+                let t_idx = fx.bcx.ins().uextend(fx.pointer_type, idx_lane);
+                let t_lane = t.value_lane_dyn(fx, t_idx).load_scalar(fx);
+                let res = fx.bcx.ins().select(is_zero, zero, t_lane);
+                ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted());
+            }
+        }
+
+        // FIXME generalize vector types
+        "llvm.aarch64.neon.umaxp.v16i8" => {
+            intrinsic_args!(fx, args => (a, b); intrinsic);
+
+            // FIXME add helper for horizontal pairwise operations
+            for i in 0..8 {
+                let lane1 = a.value_lane(fx, i * 2).load_scalar(fx);
+                let lane2 = a.value_lane(fx, i * 2 + 1).load_scalar(fx);
+                let res = fx.bcx.ins().umax(lane1, lane2);
+                ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted());
+            }
+            for i in 0..8 {
+                let lane1 = b.value_lane(fx, i * 2).load_scalar(fx);
+                let lane2 = b.value_lane(fx, i * 2 + 1).load_scalar(fx);
+                let res = fx.bcx.ins().umax(lane1, lane2);
+                ret.place_lane(fx, 8 + i).to_ptr().store(fx, res, MemFlags::trusted());
+            }
+        }
+
         /*
         _ if intrinsic.starts_with("llvm.aarch64.neon.sshl.v")
             || intrinsic.starts_with("llvm.aarch64.neon.sqshl.v")