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author | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2018-10-15 12:23:19 +0200 |
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committer | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2018-10-15 15:24:32 +0200 |
commit | d61a062d5c3430d0b484bb1aacc8c77ae803ec5b (patch) | |
tree | f7f6b7d07dfced9e3525bcccf9b90456d868e94d | |
parent | 396334f56d14501c3ed14f3b8c3b2ad74eb5b1ed (diff) |
funcse: Improve helper string for -funcse.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
-rw-r--r-- | gcc/common.opt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 05e0fabe9013..6d98927fcc65 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -2584,7 +2584,9 @@ trailing array. funcse Common Report Var(flag_uncse) Init(0) Optimization -Undoing of CSE +Undoing of CSE (common subexpression elimination). +This allows to merge the common subexpression into +its consuming instruction. funit-at-a-time Common Report Var(flag_unit_at_a_time) Init(1) |