summaryrefslogtreecommitdiffstats
path: root/tests/codegen/sse42-implies-crc32.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/codegen/sse42-implies-crc32.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/sse42-implies-crc32.rs')
-rw-r--r--tests/codegen/sse42-implies-crc32.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/codegen/sse42-implies-crc32.rs b/tests/codegen/sse42-implies-crc32.rs
new file mode 100644
index 000000000..47b1a8993
--- /dev/null
+++ b/tests/codegen/sse42-implies-crc32.rs
@@ -0,0 +1,16 @@
+// only-x86_64
+// min-llvm-version: 14.0
+// compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+#[cfg(target_arch = "x86_64")]
+#[target_feature(enable = "sse4.2")]
+#[no_mangle]
+pub unsafe fn crc32sse(v: u8) -> u32 {
+ use std::arch::x86_64::*;
+ let out = !0u32;
+ _mm_crc32_u8(out, v)
+}
+
+// CHECK: attributes #0 {{.*"target-features"="\+sse4.2,\+crc32"}}