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Re: MIPS elimate trap-if-zero instruction if possible for divisions
- From: Graham Stott <graham dot stott at btinternet dot com>
- To: Jeff Law <law at redhat dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "rdsandiford at googlemail dot com" <rdsandiford at googlemail dot com>
- Date: Tue, 9 Jul 2013 16:00:44 +0100 (BST)
- Subject: Re: MIPS elimate trap-if-zero instruction if possible for divisions
- References: <1372858960 dot 88297 dot YahooMailNeo at web87404 dot mail dot ir2 dot yahoo dot com> <87ip0r1qwp dot fsf at talisman dot default> <51D463ED dot 5040503 at redhat dot com> <1372932273 dot 63021 dot YahooMailNeo at web87404 dot mail dot ir2 dot yahoo dot com>
- Reply-to: Graham Stott <graham dot stott at btinternet dot com>
Hi Richard, Jeff.
Richard what's your idea for exposing things early enough so that VRP can eliminate the need for
a trao-if-zero insn iif possible.
Graham