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[Bug middle-end/69045] New: missing optimization: forward constant propagation of regular expressions
- From: "shawn at churchofgit dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 24 Dec 2015 17:26:47 +0000
- Subject: [Bug middle-end/69045] New: missing optimization: forward constant propagation of regular expressions
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69045
Bug ID: 69045
Summary: missing optimization: forward constant propagation of
regular expressions
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: shawn at churchofgit dot com
Target Milestone: ---
C++11 regular expression support can be optimized with two levels of forward
constant propagation----regexp compilation, and regexp execution on constant
strings. This would be a feature that could be useful in other languages as
well. Would require RE2 or TRE to linked.