https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61515
Bug ID: 61515
Summary: Extremely long compile time for generated code
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: astrange at ithinksw dot com
> /usr/local/gcc49/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/gcc49/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/gcc49/libexec/gcc/x86_64-apple-darwin13.2.0/4.10.0/lto-wrapper
Target: x86_64-apple-darwin13.2.0
Configured with: ../../cc/gcc/configure --prefix=/usr/local/gcc49
--with-arch=native --with-tune=native --disable-nls --with-gmp=/sw
--disable-bootstrap --with-isl=/sw --enable-languages=c,c++,lto,objc,obj-c++
--no-create --no-recursion
Thread model: posix
gcc version 4.10.0 20140615 (experimental) (GCC)
For the attached source (C translation from a large BF program):
- gcc -O0 takes 9 minutes
- gcc -Os does not finish after 40 minutes
