diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/opts.c | 30 |
2 files changed, 29 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 60c89affb86..053b508e2ea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-09-05 Janis Johnson <janis187@us.ibm.com> + Samuel Tardieu <sam@rfc1149.net> + + PR target/37283 + * opts.c (decode_options): Handle more relationships among + unit-at-a-time, toplevel-reorder, and section-anchors. + 2008-09-05 David Daney <ddaney@avtrex.com> * doc/install.texi (--enable-reduced-reflection): Document new option. diff --git a/gcc/opts.c b/gcc/opts.c index 9bae6ea8349..080f8afbb18 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -1008,21 +1008,35 @@ decode_options (unsigned int argc, const char **argv) handle_options (argc, argv, lang_mask); - /* -fno-unit-at-a-time and -fno-toplevel-reorder handling. */ + /* Handle related options for unit-at-a-time, toplevel-reorder, and + section-anchors. */ if (!flag_unit_at_a_time) { + if (flag_section_anchors == 1) + error ("Section anchors must be disabled when unit-at-a-time " + "is disabled."); flag_section_anchors = 0; + if (flag_toplevel_reorder == 1) + error ("Toplevel reorder must be disabled when unit-at-a-time " + "is disabled."); flag_toplevel_reorder = 0; } - else if (!optimize && flag_toplevel_reorder == 2) - /* We disable toplevel reordering at -O0 to disable transformations that - might be surprising to end users and to get -fno-toplevel-reorder - tested, but we keep section anchors. */ - flag_toplevel_reorder = 0; - else if (!flag_toplevel_reorder) + if (!optimize) + { + /* Unless the user has asked for section anchors, we disable toplevel + reordering at -O0 to disable transformations that might be surprising + to end users and to get -fno-toplevel-reorder tested. */ + if (flag_toplevel_reorder == 2 && flag_section_anchors != 1) + { + flag_toplevel_reorder = 0; + flag_section_anchors = 0; + } + } + if (!flag_toplevel_reorder) { if (flag_section_anchors == 1) - error ("section anchors must be disabled when toplevel reorder is disabled"); + error ("section anchors must be disabled when toplevel reorder" + " is disabled"); flag_section_anchors = 0; } |