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authorMartin Liska <mliska@suse.cz>2019-05-10 08:32:31 +0200
committerMartin Liska <marxin@gcc.gnu.org>2019-05-10 06:32:31 +0000
commit26f36b50ead92836710b0ae799abaf4f000a6f88 (patch)
treeebe4443deb58864102d8c91e8577eabf00b2fdd5 /gcc/params.def
parent38613b9baa4237c8b730a63742ba606cb97f6a9f (diff)
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Add params for jump-table expansion params (PR middle-end/90340).
2019-05-10 Martin Liska <mliska@suse.cz> PR middle-end/90340 * doc/invoke.texi: New params. * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New. (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise. * tree-switch-conversion.c (jump_table_cluster::can_be_handled): Use it. * tree-switch-conversion.h (struct jump_table_cluster): Likewise. 2019-05-10 Martin Liska <mliska@suse.cz> PR middle-end/90340 * gcc.dg/tree-ssa/pr90340-2.c: New test. * gcc.dg/tree-ssa/pr90340.c: New test. From-SVN: r271053
Diffstat (limited to 'gcc/params.def')
-rw-r--r--gcc/params.def14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def
index 5830cb5..23b8743 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -1175,6 +1175,20 @@ DEFPARAM (PARAM_CASE_VALUES_THRESHOLD,
"if 0, use the default for the machine.",
0, 0, 0)
+DEFPARAM (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE,
+ "jump-table-max-growth-ratio-for-size",
+ "The maximum code size growth ratio when expanding "
+ "into a jump table (in percent). The parameter is used when "
+ "optimizing for size.",
+ 300, 0, 0)
+
+DEFPARAM (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED,
+ "jump-table-max-growth-ratio-for-speed",
+ "The maximum code size growth ratio when expanding "
+ "into a jump table (in percent). The parameter is used when "
+ "optimizing for speed.",
+ 800, 0, 0)
+
/* Data race flags for C++0x memory model compliance. */
DEFPARAM (PARAM_ALLOW_STORE_DATA_RACES,
"allow-store-data-races",