Add raw_bitcast instruction

Casts bits as a different type of the same width with no change to the data (unlike bitcast)
2019-07-11 11:07:26 -07:00
parent 5f0e5567c1
commit 61772e9775
5 changed files with 61 additions and 10 deletions
--- a/cranelift/codegen/meta/src/isa/x86/recipes.rs
+++ b/cranelift/codegen/meta/src/isa/x86/recipes.rs
@@ -411,6 +411,12 @@ pub fn define<'shared>(
            .operands_out(vec![0])
            .emit(""),
    );
+    recipes.add_recipe(
+        EncodingRecipeBuilder::new("null_fpr", f_unary, 0)
+            .operands_in(vec![fpr])
+            .operands_out(vec![0])
+            .emit(""),
+    );
    recipes.add_recipe(
        EncodingRecipeBuilder::new("stacknull", f_unary, 0)
            .operands_in(vec![stack_gpr32])