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author | Björn Gustavsson <[email protected]> | 2019-08-22 13:40:54 +0200 |
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committer | GitHub <[email protected]> | 2019-08-22 13:40:54 +0200 |
commit | cabdfc991278d6322564ef7342e80b3dd3cdbc92 (patch) | |
tree | 1f8e3b6e13563ae43dd047fda505320a24cc057d /erts/emulator/beam/erl_db_util.c | |
parent | d670fe64723ed348c8829a6528292cdc9d0ad5a1 (diff) | |
parent | 07a323813a47f92abf05bdf2255dc1354e82c55c (diff) | |
download | otp-cabdfc991278d6322564ef7342e80b3dd3cdbc92.tar.gz otp-cabdfc991278d6322564ef7342e80b3dd3cdbc92.tar.bz2 otp-cabdfc991278d6322564ef7342e80b3dd3cdbc92.zip |
Merge pull request #2351 from bjorng/bjorn/erts/optimize-cp-management/OTP-15077
Optimize continuation pointer management
Diffstat (limited to 'erts/emulator/beam/erl_db_util.c')
-rw-r--r-- | erts/emulator/beam/erl_db_util.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 1ea7074d21..6a48f5c74e 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2612,7 +2612,10 @@ restart: break; case matchCaller: ASSERT(c_p == self); - if (!(c_p->cp) || !(cp = find_function_from_pc(c_p->cp))) { + t = c_p->stop[0]; + if (is_not_CP(t)) { + *esp++ = am_undefined; + } else if (!(cp = find_function_from_pc(cp_val(t)))) { *esp++ = am_undefined; } else { ehp = HAllocX(build_proc, 4, HEAP_XTRA); @@ -5226,7 +5229,7 @@ static Eterm match_spec_test(Process *p, Eterm against, Eterm spec, int trace) Eterm l; Uint32 ret_flags; Uint sz; - BeamInstr *save_cp; + Eterm save_cp; if (trace && !(is_list(against) || against == NIL)) { return THE_NON_VALUE; @@ -5270,13 +5273,13 @@ static Eterm match_spec_test(Process *p, Eterm against, Eterm spec, int trace) ++n; l = CDR(list_val(l)); } - save_cp = p->cp; - p->cp = NULL; + save_cp = p->stop[0]; + p->stop[0] = NIL; res = erts_match_set_run_trace(p, p, mps, arr, n, ERTS_PAM_COPY_RESULT|ERTS_PAM_IGNORE_TRACE_SILENT, &ret_flags); - p->cp = save_cp; + p->stop[0] = save_cp; } else { n = 0; arr = NULL; |