Add x86 legalization for SIMD ineg

2019-09-18 10:50:01 -07:00
parent ca1df499a0
commit ba393afd4d
5 changed files with 77 additions and 4 deletions
--- a/cranelift/codegen/meta/src/shared/instructions.rs
+++ b/cranelift/codegen/meta/src/shared/instructions.rs
@@ -1704,6 +1704,17 @@ pub(crate) fn define(
        .operands_out(vec![a]),
    );

+    ig.push(
+        Inst::new(
+            "ineg",
+            r#"
+        Integer negation: `a := -x \pmod{2^B}`.
+        "#,
+        )
+        .operands_in(vec![x])
+        .operands_out(vec![a]),
+    );
+
    ig.push(
        Inst::new(
            "imul",