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Re: [PATCH] Fixes tree-loop-distribute-patterns issues
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Roland McGrath <roland at hack dot frob dot com>
- Cc: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>, Carlos O'Donell <carlos at redhat dot com>, "GNU C. Library" <libc-alpha at sourceware dot org>, Siddhesh Poyarekar <siddhesh at redhat dot com>
- Date: Thu, 20 Jun 2013 23:31:41 +0200
- Subject: Re: [PATCH] Fixes tree-loop-distribute-patterns issues
- References: <51C0AFB7 dot 1060009 at linux dot vnet dot ibm dot com> <20130618205608 dot 9CCE22C0AC at topped-with-meat dot com> <51C1BFE9 dot 4070805 at linux dot vnet dot ibm dot com> <51C1CEFC dot 9000100 at redhat dot com> <51C1FE4C dot 3020400 at linux dot vnet dot ibm dot com> <20130619221130 dot 7B91A2C10E at topped-with-meat dot com> <51C31177 dot 90303 at linux dot vnet dot ibm dot com> <20130620175832 dot 0E6FA2C133 at topped-with-meat dot com>
On Thu, Jun 20, 2013 at 10:58:32AM -0700, Roland McGrath wrote:
> Further, I think we should apply the macro to every simple_* function in
> every string/ test (not just the ones we know today have an issue). But
> that could be a separate follow-up patch if you prefer.
>
Actually you should split simple_* to separate files and compile them with
O0.
Doing otherwise makes their performance dependent on gcc version and
this makes results even more unreliable.