Remove spirv-std::f32x4
grep revealed that spirv-std::f32x4 isn't being
used anywhere
@@ -97,11 +97,6 @@ pointer_addrspace!(incoming_ray_payload_khr, IncomingRayPayloadKHR, true);
pointer_addrspace!(shader_record_buffer_khr, ShaderRecordBufferKHR, true);
pointer_addrspace!(physical_storage_buffer, PhysicalStorageBuffer, true);
-#[allow(non_camel_case_types)]
-#[derive(Debug, Clone, Copy)]
-#[repr(simd)]
-pub struct f32x4(pub f32, pub f32, pub f32, pub f32);
-
/// libcore requires a few external symbols to be defined:
/// <https://github.com/rust-lang/rust/blob/c2bc344eb23d8c1d18e803b3f1e631cf99926fbb/library/core/src/lib.rs#L23-L27>
/// TODO: This is copied from `compiler_builtins/mem.rs`. Can we use that one instead? The note in the above link says
