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Diffstat (limited to 'ia32/Unusedglob1.ml')
| -rw-r--r-- | ia32/Unusedglob1.ml | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ia32/Unusedglob1.ml b/ia32/Unusedglob1.ml new file mode 100644 index 0000000..fe962e2 --- /dev/null +++ b/ia32/Unusedglob1.ml @@ -0,0 +1,44 @@ +(* *********************************************************************) +(* *) +(* The Compcert verified compiler *) +(* *) +(* Xavier Leroy, INRIA Paris-Rocquencourt *) +(* *) +(* Copyright Institut National de Recherche en Informatique et en *) +(* Automatique. All rights reserved. This file is distributed *) +(* under the terms of the INRIA Non-Commercial License Agreement. *) +(* *) +(* *********************************************************************) + +(* Identifiers referenced from an IA32 Asm instruction *) + +open Datatypes +open AST +open Asm + +let referenced_addr (Addrmode(base, ofs, const)) = + match const with + | Coq_inl n -> [] + | Coq_inr(s, ofs) -> [s] + +let referenced_builtin ef = + match ef with + | EF_vload_global(chunk, id, ofs) -> [id] + | EF_vstore_global(chunk, id, ofs) -> [id] + | _ -> [] + +let referenced_instr = function + | Pmov_rm (_, a) | Pmov_mr (a, _) + | Pmovsd_fm (_, a) | Pmovsd_mf(a, _) + | Pfld_m a | Pfstp_m a + | Pmovb_mr (a, _) | Pmovw_mr (a, _) + | Pmovzb_rm (_, a) | Pmovsb_rm (_, a) + | Pmovzw_rm (_, a) | Pmovsw_rm (_, a) + | Pcvtss2sd_fm (_, a) | Pcvtsd2ss_mf (a, _) | Plea (_, a) -> referenced_addr a + | Pjmp_s s -> [s] + | Pcall_s s -> [s] + | Pbuiltin(ef, args, res) -> referenced_builtin ef + | _ -> [] + +let code_of_function f = f + |