------- Comment #20 from ubizjak at gmail dot com 2008-02-06 18:42 ------- Whoa, adding -fomit-frame-pointer brings us from
(gcc -O3 -m32) user 0m41.031s to (gcc -O3 -m32 -fomit-frame-pointer) user 0m30.006s Since -fo-f-p adds another free reg, it looks that since inlining increases register pressure some unlucky heavy-used variable gets allocated to the stack slot. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33761
