Legalize 64 bit shifts on x86_32 using PSLLQ/PSRLQ.

Co-authored-by: iximeow <git@iximeow.net>
2020-04-28 01:32:02 +00:00
parent 2331403741
commit 4ec16fa057
4 changed files with 133 additions and 1 deletions
--- a/cranelift/codegen/meta/src/isa/x86/encodings.rs
+++ b/cranelift/codegen/meta/src/isa/x86/encodings.rs
@@ -1493,8 +1493,13 @@ fn define_alu(
    for &(inst, rrr) in &[(rotl, 0), (rotr, 1), (ishl, 4), (ushr, 5), (sshr, 7)] {
        // Cannot use enc_i32_i64 for this pattern because instructions require
        // to bind any.
+        e.enc32(inst.bind(I32).bind(I8), rec_rc.opcodes(&ROTATE_CL).rrr(rrr));
        e.enc32(
-            inst.bind(I32).bind(Any),
+            inst.bind(I32).bind(I16),
+            rec_rc.opcodes(&ROTATE_CL).rrr(rrr),
+        );
+        e.enc32(
+            inst.bind(I32).bind(I32),
            rec_rc.opcodes(&ROTATE_CL).rrr(rrr),
        );
        e.enc64(