From 852e4bd21fd96a8f6a455eeeddd73d9e9db39e99 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Tue, 5 Oct 2010 19:57:09 +0200 Subject: invoke.texi (-flto-partition, [...]): Document. * doc/invoke.texi (-flto-partition, lto-partitions, lto-minpartition): Document. * opts.c (decode_options): Handle lto partitions. * common.opt (flto-partition=1to1, flto-partition=balanced): New. * params.def (PARAM_LTO_PARTITIONS, MIN_PARTITION_SIZE): New. * lto.c: Include params.h. (add_cgraph_node_to_partition, add_varpool_node_to_partition): Do refcounting in aux field. (undo_partition, partition_cgraph_node_p, partition_varpool_node_p): New functions. (lto_1_to_1_map): Simplify. (lto_balanced_map): New function. (do_whole_program_analysis): Chose proper partitioning alg. * Make-lang.in (lto.o): Add dependency on params.h From-SVN: r164995 --- gcc/opts.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'gcc/opts.c') diff --git a/gcc/opts.c b/gcc/opts.c index 0560335..03098b5 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -1081,6 +1081,13 @@ decode_options (unsigned int argc, const char **argv, error ("LTO support has not been enabled in this configuration"); #endif } + if (flag_lto_partition_balanced || flag_lto_partition_1to1) + { + if (flag_lto_partition_balanced && flag_lto_partition_1to1) + error ("Only one -flto-partitoin value can be specified"); + if (!flag_whopr) + error ("-flto-partitoin has effect only with -fwhopr"); + } /* Reconcile -flto and -fwhopr. Set additional flags as appropriate and check option consistency. */ -- cgit v1.1