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| author | Samuel Tardieu <sam@rfc1149.net> | 2008-09-02 16:23:29 +0000 |
|---|---|---|
| committer | Samuel Tardieu <sam@gcc.gnu.org> | 2008-09-02 16:23:29 +0000 |
| commit | 57b08d04c67ff8db02f6b95e564432841384661b (patch) | |
| tree | 99f189fd6d946be4d1a2672501a9fcb381ff46ac /gcc | |
| parent | 7612f14d074019d388035a3ab6ee509a0acd4e17 (diff) | |
| download | gcc-57b08d04c67ff8db02f6b95e564432841384661b.zip gcc-57b08d04c67ff8db02f6b95e564432841384661b.tar.gz gcc-57b08d04c67ff8db02f6b95e564432841384661b.tar.bz2 | |
re PR target/37283 (Cannot build crtbegin.o for ARM)
gcc/
PR target/37283
* opts.c (decode_options): Move processing of -fno-unit-at-a-time
and -fno-toplevel-reorder after handle_options.
From-SVN: r139892
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/opts.c | 47 |
2 files changed, 25 insertions, 28 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a80ef31..d3d0455 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-09-02 Samuel Tardieu <sam@rfc1149.net> + + PR target/37283 + * opts.c (decode_options): Move processing of -fno-unit-at-a-time + and -fno-toplevel-reorder after handle_options. + 2008-09-02 Paul Brook <paul@codesourcery.com> * config/arm/arm.c (arm_tune_cortex_a9): Define. @@ -870,39 +870,11 @@ decode_options (unsigned int argc, const char **argv) } } - if (!flag_unit_at_a_time) - { - flag_section_anchors = 0; - flag_toplevel_reorder = 0; - } - if (!flag_toplevel_reorder) - { - if (flag_section_anchors == 1) - error ("Section anchors must be disabled when toplevel reorder is disabled."); - flag_section_anchors = 0; - } - #ifdef IRA_COVER_CLASSES /* Use IRA if it is implemented for the target. */ flag_ira = 1; #endif - /* Originally we just set the variables if a particular optimization level, - but with the advent of being able to change the optimization level for a - function, we need to reset optimizations. */ - if (!optimize) - { - flag_merge_constants = 0; - - /* 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. */ - if (flag_toplevel_reorder == 2) - flag_toplevel_reorder = 0; - } - else - flag_merge_constants = 1; - /* -O1 optimizations. */ opt1 = (optimize >= 1); flag_defer_pop = opt1; @@ -918,6 +890,7 @@ decode_options (unsigned int argc, const char **argv) flag_if_conversion2 = opt1; flag_ipa_pure_const = opt1; flag_ipa_reference = opt1; + flag_merge_constants = opt1; flag_split_wide_types = opt1; flag_tree_ccp = opt1; flag_tree_dce = opt1; @@ -1035,6 +1008,24 @@ decode_options (unsigned int argc, const char **argv) handle_options (argc, argv, lang_mask); + /* -fno-unit-at-a-time and -fno-toplevel-reorder handling. */ + if (!flag_unit_at_a_time) + { + flag_section_anchors = 0; + 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 (flag_section_anchors == 1) + error ("section anchors must be disabled when toplevel reorder is disabled"); + flag_section_anchors = 0; + } + if (first_time_p) { if (flag_pie) |