diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/lto/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/lto/lto-common.c | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog index 2ef4a87..bb4e57e 100644 --- a/gcc/lto/ChangeLog +++ b/gcc/lto/ChangeLog @@ -1,5 +1,10 @@ 2019-10-12 Jan Hubicka <hubicka@ucw.cz> + * lto-common.c (read_cgraph_and_symbols): Grow ggc memory use after + summary streaming. + +2019-10-12 Jan Hubicka <hubicka@ucw.cz> + * lto.c (lto_wpa_write_files): Do not update bodies of clones. 2019-10-11 Jan Hubicka <hubicka@ucw.cz> diff --git a/gcc/lto/lto-common.c b/gcc/lto/lto-common.c index e5c15f2..967f228 100644 --- a/gcc/lto/lto-common.c +++ b/gcc/lto/lto-common.c @@ -2781,7 +2781,6 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames) /* At this stage we know that majority of GGC memory is reachable. Growing the limits prevents unnecesary invocation of GGC. */ ggc_grow (); - ggc_collect (); /* Set the hooks so that all of the ipa passes can read in their data. */ lto_set_in_hooks (all_file_decl_data, get_section_data, free_section_data); @@ -2852,7 +2851,11 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames) if (tree_with_vars) ggc_free (tree_with_vars); tree_with_vars = NULL; - ggc_collect (); + /* During WPA we want to prevent ggc collecting by default. Grow limits + until after the IPA summaries are streamed in. Basically all IPA memory + is explcitly managed by ggc_free and ggc collect is not useful. + Exception are the merged declarations. */ + ggc_grow (); timevar_pop (TV_IPA_LTO_DECL_MERGE); /* Each pass will set the appropriate timer. */ @@ -2866,6 +2869,8 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames) else ipa_read_summaries (); + ggc_grow (); + for (i = 0; all_file_decl_data[i]; i++) { gcc_assert (all_file_decl_data[i]->symtab_node_encoder); |