intrinsic-test: no SVE testing under GCC

GCC quickly ICEs when asked to compile intrinsic-test's wrapper sources.

Author: davidtwco

crates/intrinsic-test/src/arm/mod.rs

@@ -47,10 +47,7 @@ impl SupportedArchitecture for Arm {
                  f32mm+f64mm+sve2p1",
             ],
             CcArgStyle::Clang => vec!["-march=armv8.6a+crypto+crc+dotprod+fp16"],
-            CcArgStyle::Gcc if !a32 && !big_endian => vec![
-                "-march=armv8.6-a+crypto+crc+dotprod+fp16+sha3+sm4+sve2-aes+sve2-sm4+sve2-sha3+\
-                 sve2-bitperm+f32mm+f64mm+sve2p1",
-            ],
+            // SVE tests aren't run under GCC so there are no target features added for SVE
             CcArgStyle::Gcc => vec!["-march=armv8.6-a+crypto+crc+dotprod+fp16+sha3+sm4"],
         }
     }
@@ -132,6 +129,11 @@ impl SupportedArchitecture for Arm {
             .filter(|i| !(a32 && i.arch_tags == vec!["A64".to_string()]))
             // Skip SVE intrinsics on big endian
             .filter(|i| !(big_endian && (i.extension == "SVE" || i.extension == "SVE2")))
+            // Skip SVE intrinsics when testing against GCC as our wrappers run into ICEs
+            .filter(|i| {
+                !(matches!(cli_options.cc_arg_style, CcArgStyle::Gcc)
+                    && (i.extension == "SVE" || i.extension == "SVE2"))
+            })
             .take(sample_size)
             .collect::<Vec<_>>();