Add docs and tests for copy_special instruction. Fixes encoding issue that tests revealed.

2017-12-01 18:01:00 -08:00
parent 4eb9a54096
commit 3b1b33e0ac
6 changed files with 41 additions and 4 deletions
--- a/cranelift/filetests/isa/intel/binary32.cton
+++ b/cranelift/filetests/isa/intel/binary32.cton
@@ -140,6 +140,13 @@ ebb0:
    ; asm: movl %ecx, %esi
    [-,%rsi]             v81 = copy v1           ; bin: 89 ce

+    ; Copy Special
+    ; asm: movl %esp, %ebp
+    copy_special %rsp -> %rbp                   ; bin: 89 e5
+    ; asm: movl %ebp, %esp
+    copy_special %rbp -> %rsp                   ; bin: 89 ec
+
+
    ; Load/Store instructions.

    ; Register indirect addressing with no displacement.