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re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)
authorJan Hubicka <hubicka@ucw.cz>
Tue, 2 Jan 2018 09:31:47 +0000 (10:31 +0100)
committerJan Hubicka <hubicka@gcc.gnu.org>
Tue, 2 Jan 2018 09:31:47 +0000 (09:31 +0000)
commite8e3054e505a153e52aa3d8888bfc91610c006f7
treea418c46327a33dd1655e0e6232af87e8107c9035tree
parentc1177db4fa8c12395a52bb11bb50df86cd371727commit | diff
re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)

PR target/81616
* x86-tune-costs.h (generic_cost): Reduce cost of FDIV 20->17,
cost of sqrt 20->14, DIVSS 18->13, DIVSD 32->17, SQRtSS 30->14
and SQRTsD 58->18, cond_not_taken_branch_cost. 2->1. Increase
cond_taken_branch_cost 3->4.

From-SVN: r256070
gcc/ChangeLog diff | blob | history
gcc/config/i386/x86-tune-costs.h diff | blob | history