Merge pull request #1954 from cfallin/b1649432

AArch64: fix shift ops: mask shift amount.
2020-07-01 09:33:29 -07:00
parent a351fa52b5 533f1c8d8b
commit 0a59a321bd
3 changed files with 18 additions and 2 deletions
--- a/cranelift/filetests/filetests/vcode/aarch64/shift-op.clif
+++ b/cranelift/filetests/filetests/vcode/aarch64/shift-op.clif
@@ -15,3 +15,17 @@ block0(v0: i64):
 ; nextln: mov sp, fp
 ; nextln: ldp fp, lr, [sp], #16
 ; nextln: ret
+
+function %f(i32) -> i32 {
+block0(v0: i32):
+  v1 = iconst.i32 53
+  v2 = ishl.i32 v0, v1
+  return v2
+}
+
+; check: stp fp, lr, [sp, #-16]!
+; nextln: mov fp, sp
+; nextln: lsl w0, w0, #21
+; nextln: mov sp, fp
+; nextln: ldp fp, lr, [sp], #16
+; nextln: ret