ARM: Generate Pcfi_rel_offset directives directly from Asmgen

This is what we do for PowerPC and is more resilient to changes in code generation.  We need to give Pcfi_rel_offset a dynamic semantics, but that's just a no-op.

1 files changed, 2 insertions, 1 deletions

diff --git a/arm/Asm.v b/arm/Asm.v
index 6ba09a8f..7a393139 100644
--- a/arm/Asm.v
+++ b/arm/Asm.v
@@ -773,13 +773,14 @@ Definition exec_instr (f: function) (i: instruction) (rs: regset) (m: mem) : out
           end
       | _ => Stuck
       end
+  | Pcfi_rel_offset ofs =>
+      Next (nextinstr rs) m
   | Pbuiltin ef args res => Stuck    (**r treated specially below *)
   (** The following instructions and directives are not generated directly by Asmgen,
       so we do not model them. *)
   | Ppush _
   | Padc _ _ _
   | Pcfi_adjust _
-  | Pcfi_rel_offset _
   | Pclz _ _
   | Prev _ _
   | Prev16 _ _