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| author | Sylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr> | 2021-06-11 11:41:37 +0200 |
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| committer | Sylvain Boulmé <sylvain.boulme@univ-grenoble-alpes.fr> | 2021-06-11 11:41:37 +0200 |
| commit | af16cdae6d58033cc8aa06bca330f98b96ba12f2 (patch) | |
| tree | 4985e9ae8fa0d580bbf95a198edeca4f0bd6ff46 /x86/Asmexpand.ml | |
| parent | 21c979fce33b068ce4b86e67d3d866b203411c6c (diff) | |
| parent | 02b169b444c435b8d1aacf54969dd7de57317a5c (diff) | |
| download | compcert-kvx-af16cdae6d58033cc8aa06bca330f98b96ba12f2.tar.gz compcert-kvx-af16cdae6d58033cc8aa06bca330f98b96ba12f2.zip | |
Merge branch 'BTL' of gricad-gitlab.univ-grenoble-alpes.fr:sixcy/CompCert into BTL
Diffstat (limited to 'x86/Asmexpand.ml')
| -rw-r--r-- | x86/Asmexpand.ml | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/x86/Asmexpand.ml b/x86/Asmexpand.ml index 20f5d170..e2c556c7 100644 --- a/x86/Asmexpand.ml +++ b/x86/Asmexpand.ml @@ -487,9 +487,12 @@ let expand_builtin_inline name args res = (* Synchronization *) | "__builtin_membar", [], _ -> () - (* no operation *) + (* No operation *) | "__builtin_nop", [], _ -> emit Pnop + (* Optimization hint *) + | "__builtin_unreachable", [], _ -> + () (* Catch-all *) | _ -> raise (Error ("unrecognized builtin " ^ name)) @@ -500,7 +503,7 @@ let expand_builtin_inline name args res = unprototyped. *) let fixup_funcall_elf64 sg = - if sg.sig_cc.cc_vararg || sg.sig_cc.cc_unproto then begin + if sg.sig_cc.cc_vararg <> None || sg.sig_cc.cc_unproto then begin let (ir, fr, ofs) = next_arg_locations 0 0 0 sg.sig_args in emit (Pmovl_ri (RAX, coqint_of_camlint (Int32.of_int fr))) end @@ -521,7 +524,7 @@ let rec copy_fregs_to_iregs args fr ir = () let fixup_funcall_win64 sg = - if sg.sig_cc.cc_vararg then + if sg.sig_cc.cc_vararg <> None then copy_fregs_to_iregs sg.sig_args [XMM0; XMM1; XMM2; XMM3] [RCX; RDX; R8; R9] let fixup_funcall sg = |