Infer REX prefix for SIMD load instruction

2020-02-13 10:46:47 -08:00
parent 936120dcf9
commit 1a9dc743d1
4 changed files with 29 additions and 5 deletions
--- a/cranelift/codegen/meta/src/isa/x86/encodings.rs
+++ b/cranelift/codegen/meta/src/isa/x86/encodings.rs
@@ -1835,7 +1835,10 @@ fn define_simd(

        // Load
        let bound_load = load.bind(vector(ty, sse_vector_size)).bind(Any);
-        e.enc_32_64(bound_load.clone(), rec_fld.opcodes(&MOVUPS_LOAD));
+        e.enc_32_64(
+            bound_load.clone(),
+            rec_fld.opcodes(&MOVUPS_LOAD).infer_rex(),
+        );
        e.enc_32_64(bound_load.clone(), rec_fldDisp8.opcodes(&MOVUPS_LOAD));
        e.enc_32_64(bound_load, rec_fldDisp32.opcodes(&MOVUPS_LOAD));