Add aarch64_unstable_target_feature and relax instruction assertion

Author: Jamesbarford

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

@@ -827,7 +827,7 @@ pub fn vaddvq_u64(a: uint64x2_t) -> u64 {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famax))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vamax_f32(a: float32x2_t, b: float32x2_t) -> float32x2_t {
     unsafe extern "unadjusted" {
@@ -845,7 +845,7 @@ pub unsafe fn vamax_f32(a: float32x2_t, b: float32x2_t) -> float32x2_t {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famax))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vamaxq_f32(a: float32x4_t, b: float32x4_t) -> float32x4_t {
     unsafe extern "unadjusted" {
@@ -863,7 +863,7 @@ pub unsafe fn vamaxq_f32(a: float32x4_t, b: float32x4_t) -> float32x4_t {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famax))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vamaxq_f64(a: float64x2_t, b: float64x2_t) -> float64x2_t {
     unsafe extern "unadjusted" {
@@ -881,7 +881,7 @@ pub unsafe fn vamaxq_f64(a: float64x2_t, b: float64x2_t) -> float64x2_t {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famin))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vamin_f32(a: float32x2_t, b: float32x2_t) -> float32x2_t {
     unsafe extern "unadjusted" {
@@ -899,7 +899,7 @@ pub unsafe fn vamin_f32(a: float32x2_t, b: float32x2_t) -> float32x2_t {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famin))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vaminq_f32(a: float32x4_t, b: float32x4_t) -> float32x4_t {
     unsafe extern "unadjusted" {
@@ -917,7 +917,7 @@ pub unsafe fn vaminq_f32(a: float32x4_t, b: float32x4_t) -> float32x4_t {
 #[doc = "  * Neon instrinsic unsafe"]
 #[inline]
 #[target_feature(enable = "neon,faminmax")]
-#[cfg_attr(test, assert_instr(famin))]
+#[cfg_attr(test, assert_instr(nop))]
 #[stable(feature = "neon_intrinsics", since = "1.59.0")]
 pub unsafe fn vaminq_f64(a: float64x2_t, b: float64x2_t) -> float64x2_t {
     unsafe extern "unadjusted" {

library/stdarch/crates/core_arch/src/lib.rs

@@ -37,7 +37,8 @@
     sha512_sm_x86,
     x86_amx_intrinsics,
     f16,
-    keylocker_x86
+    keylocker_x86,
+    aarch64_unstable_target_feature
 )]
 #![cfg_attr(test, feature(test, abi_vectorcall, stdarch_internal))]
 #![deny(clippy::missing_inline_in_public_items)]

library/stdarch/crates/intrinsic-test/src/main.rs

@@ -240,7 +240,8 @@ fn compile_c(
     let arch_flags = if target.contains("v7") {
         "-march=armv8.6-a+crypto+crc+dotprod+fp16"
     } else {
-        "-march=armv8.6-a+crypto+sha3+crc+dotprod+fp16"
+        "-march=armv8.6-a+crypto+sha3+crc+dotprod+fp16+faminmax"
+    } else {
     };
 
     let intrinsic_name = &intrinsic.name;

library/stdarch/crates/stdarch-gen-arm/spec/neon/aarch64.spec.yml

@@ -13980,7 +13980,7 @@ intrinsics:
     return_type: "{neon_type}"
     attr:
       - FnCall: [target_feature, ['enable = "neon,faminmax"']]
-      - FnCall: [cfg_attr, [test, {FnCall: [assert_instr, [famax]]}]]
+      - FnCall: [cfg_attr, [test, {FnCall: [assert_instr, [nop]]}]]
       - FnCall: [stable, ['feature = "neon_intrinsics"', 'since = "1.59.0"']]
     safety:
       unsafe: [neon]
@@ -14001,7 +14001,7 @@ intrinsics:
     return_type: "{neon_type}"
     attr:
       - FnCall: [target_feature, ['enable = "neon,faminmax"']]
-      - FnCall: [cfg_attr, [test, {FnCall: [assert_instr, [famin]]}]]
+      - FnCall: [cfg_attr, [test, {FnCall: [assert_instr, [nop]]}]]
       - FnCall: [stable, ['feature = "neon_intrinsics"', 'since = "1.59.0"']]
     safety:
       unsafe: [neon]