asm: add SSE4.1 feature

Author: abrown

cranelift/assembler-x64/meta/src/dsl/features.rs

@@ -65,6 +65,7 @@ pub enum Feature {
     sse,
     sse2,
     ssse3,
+    sse41,
 }
 
 /// List all CPU features.
@@ -80,6 +81,7 @@ pub const ALL_FEATURES: &[Feature] = &[
     Feature::sse,
     Feature::sse2,
     Feature::ssse3,
+    Feature::sse41,
 ];
 
 impl fmt::Display for Feature {
@@ -90,6 +92,7 @@ impl fmt::Display for Feature {
             Feature::sse => write!(f, "sse"),
             Feature::sse2 => write!(f, "sse2"),
             Feature::ssse3 => write!(f, "ssse3"),
+            Feature::sse41 => write!(f, "sse41"),
         }
     }
 }

cranelift/codegen/src/isa/x64/inst/mod.rs

@@ -198,6 +198,7 @@ impl Inst {
                         sse => features.push(InstructionSet::SSE),
                         sse2 => features.push(InstructionSet::SSE2),
                         ssse3 => features.push(InstructionSet::SSSE3),
+                        sse41 => features.push(InstructionSet::SSE41),
                     }
                 }
                 features