diff options
| author | Andi Kleen <ak@linux.intel.com> | 2012-09-08 17:26:07 +0000 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2012-09-08 17:26:07 +0000 |
| commit | 928837bd7d8e359bdd907150b9547f11ed4e2dbf (patch) | |
| tree | ec889e25fe873beef48915b755c2472a48624c8c /gcc/lto | |
| parent | 900f757c446237a59aae04884e7b7941509ed4b7 (diff) | |
Add -fmem-report-wpa
For parallel LTO builds setting -fmem-report does not work very well
because all the LTRANS phases dump it in parallel and typically interleave
it to unreadability.
Since usually the memory bottleneck is WPA add a flag to only dump
the memory report for that.
gcc/:
2012-09-08 Andi Kleen <ak@linux.intel.com>
* gcc/common.opt (-fmem-report-wpa): Add
* gcc/doc/invoke.texi (-fmem-report-wpa): Document.
* gcc/lto/lto.c (do_whole_program_analysis): Run mem_report
when mem_report_wpa is set.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@191095 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lto')
| -rw-r--r-- | gcc/lto/lto.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c index 5da54124f2d..3c5929912be 100644 --- a/gcc/lto/lto.c +++ b/gcc/lto/lto.c @@ -2016,6 +2016,8 @@ do_whole_program_analysis (void) /* Show the LTO report before launching LTRANS. */ if (flag_lto_report) print_lto_report (); + if (mem_report_wpa) + dump_mem_report (); } |