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[Bug target/54239] Not able to generate "prefetch" (prefetch read) instruction using -m3dnow or -mprfchw
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 13 Aug 2012 14:00:55 +0000
- Subject: [Bug target/54239] Not able to generate "prefetch" (prefetch read) instruction using -m3dnow or -mprfchw
- Auto-submitted: auto-generated
- References: <bug-54239-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54239
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-13 14:00:55 UTC ---
BTW, why do you care about the prefetch insn? Isn't it obsoleted by the SSE
ISA prefetches anyway (unlike prefetchw)?