Add AVX512F flag

Author: abrown

cranelift/codegen/meta/src/isa/x86/settings.rs

@@ -23,7 +23,12 @@ pub(crate) fn define(shared: &SettingGroup) -> SettingGroup {
     );
     let has_avx512vl = settings.add_bool(
         "has_avx512vl",
-        "AVX512DQ: CPUID.07H:EBX.AVX512VL[bit 31]",
+        "AVX512VL: CPUID.07H:EBX.AVX512VL[bit 31]",
+        false,
+    );
+    let has_avx512f = settings.add_bool(
+        "has_avx512f",
+        "AVX512F: CPUID.07H:EBX.AVX512F[bit 16]",
         false,
     );
     let has_popcnt = settings.add_bool("has_popcnt", "POPCNT: CPUID.01H:ECX.POPCNT[bit 23]", false);
@@ -76,6 +81,10 @@ pub(crate) fn define(shared: &SettingGroup) -> SettingGroup {
         "use_avx512vl_simd",
         predicate!(shared_enable_simd && has_avx512vl),
     );
+    settings.add_predicate(
+        "use_avx512f_simd",
+        predicate!(shared_enable_simd && has_avx512f),
+    );
 
     settings.add_predicate("use_popcnt", predicate!(has_popcnt && has_sse42));
     settings.add_predicate("use_bmi1", predicate!(has_bmi1));

cranelift/native/src/lib.rs

@@ -91,6 +91,9 @@ fn parse_x86_cpuid(isa_builder: &mut isa::Builder) -> Result<(), &'static str> {
         if info.has_avx512vl() {
             isa_builder.enable("has_avx512vl").unwrap();
         }
+        if info.has_avx512f() {
+            isa_builder.enable("has_avx512f").unwrap();
+        }
     }
     if let Some(info) = cpuid.get_extended_function_info() {
         if info.has_lzcnt() {