Merge pull request #2144 from sayantn/llvm-intrinsics

Correct some wrong uses of LLVM intrinsics

Author: adamgemmell

crates/core_arch/src/aarch64/neon/generated.rs

@@ -11903,7 +11903,7 @@ pub unsafe fn vluti4q_lane_s8<const LANE: i32>(a: int8x16_t, b: uint8x8_t) -> in
     unsafe extern "unadjusted" {
         #[cfg_attr(
             any(target_arch = "aarch64", target_arch = "arm64ec"),
-            link_name = "llvm.aarch64.neon.vluti4q.lane.v8i8"
+            link_name = "llvm.aarch64.neon.vluti4q.lane.v16i8"
         )]
         fn _vluti4q_lane_s8(a: int8x16_t, b: uint8x8_t, n: i32) -> int8x16_t;
     }

crates/core_arch/src/aarch64/prefetch.rs

@@ -2,7 +2,7 @@
 use stdarch_test::assert_instr;
 
 unsafe extern "unadjusted" {
-    #[link_name = "llvm.prefetch"]
+    #[link_name = "llvm.prefetch.p0"]
     fn prefetch(p: *const i8, rw: i32, loc: i32, ty: i32);
 }
 

crates/core_arch/src/aarch64/sve/generated.rs

@@ -130,7 +130,7 @@ macro_rules! impl_internal_sve_predicate {
             #[target_feature(enable = "sve")]
             unsafe fn sve_into(self) -> svbool_t {
                 #[allow(improper_ctypes)]
-                unsafe extern "C" {
+                unsafe extern "unadjusted" {
                     #[cfg_attr(
                         target_arch = "aarch64",
                         link_name = concat!("llvm.aarch64.sve.convert.to.svbool.nxv", $elt, "i1")
@@ -147,7 +147,7 @@ macro_rules! impl_internal_sve_predicate {
             #[target_feature(enable = "sve")]
             unsafe fn sve_into(self) -> $name {
                 #[allow(improper_ctypes)]
-                unsafe extern "C" {
+                unsafe extern "unadjusted" {
                     #[cfg_attr(
                         target_arch = "aarch64",
                         link_name = concat!("llvm.aarch64.sve.convert.from.svbool.nxv", $elt, "i1")

crates/core_arch/src/aarch64/sve/mod.rs

@@ -45,7 +45,7 @@ types! {
 }
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
+unsafe extern "unadjusted" {
     #[link_name = "llvm.mips.add.a.b"]
     fn msa_add_a_b(a: v16i8, b: v16i8) -> v16i8;
     #[link_name = "llvm.mips.add.a.h"]

crates/core_arch/src/mips/msa.rs

@@ -19,9 +19,9 @@ mod packed;
 pub use packed::*;
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
-    #[link_name = "llvm.nvvm.barrier0"]
-    fn syncthreads() -> ();
+unsafe extern "unadjusted" {
+    #[link_name = "llvm.nvvm.barrier.cta.sync.aligned.all"]
+    fn syncthreads(a: u32) -> ();
     #[link_name = "llvm.nvvm.read.ptx.sreg.ntid.x"]
     fn block_dim_x() -> u32;
     #[link_name = "llvm.nvvm.read.ptx.sreg.ntid.y"]
@@ -54,7 +54,7 @@ unsafe extern "C" {
 #[inline]
 #[unstable(feature = "stdarch_nvptx", issue = "111199")]
 pub unsafe fn _syncthreads() -> () {
-    syncthreads()
+    syncthreads(0)
 }
 
 /// x-th thread-block dimension.

crates/core_arch/src/nvptx/mod.rs

@@ -7,7 +7,7 @@
 use crate::intrinsics::simd::*;
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
+unsafe extern "unadjusted" {
     #[link_name = "llvm.minimum.v2f16"]
     fn llvm_f16x2_minimum(a: f16x2, b: f16x2) -> f16x2;
     #[link_name = "llvm.maximum.v2f16"]

crates/core_arch/src/nvptx/packed.rs

@@ -96,7 +96,7 @@ impl From<vector_bool_int> for m32x4 {
 }
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
+unsafe extern "unadjusted" {
     #[link_name = "llvm.ppc.altivec.lvx"]
     fn lvx(p: *const i8) -> vector_unsigned_int;
 

crates/core_arch/src/powerpc/altivec.rs

@@ -52,7 +52,7 @@ impl From<vector_bool_long> for m64x2 {
 }
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
+unsafe extern "unadjusted" {
     #[link_name = "llvm.ppc.altivec.vperm"]
     fn vperm(
         a: vector_signed_int,

crates/core_arch/src/powerpc/vsx.rs

@@ -17,7 +17,7 @@ use stdarch_test::assert_instr;
 use crate::mem::transmute;
 
 #[allow(improper_ctypes)]
-unsafe extern "C" {
+unsafe extern "unadjusted" {
     #[link_name = "llvm.ppc.vsx.lxvl"]
     fn lxvl(a: *const u8, l: usize) -> vector_signed_int;