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[PATCH 1/6] Add debug counter for loop array prefetching.

From: Maxim Kuvyrkov <maxim dot kuvyrkov at linaro dot org>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Cc: Kyrylo Tkachov <kyrylo dot tkachov at arm dot com>, Andrew Pinski <apinski at cavium dot com>, Richard Guenther <richard dot guenther at gmail dot com>
Date: Mon, 30 Jan 2017 14:28:25 +0300
Subject: [PATCH 1/6] Add debug counter for loop array prefetching.
Authentication-results: sourceware.org; auth=none
References: <F7C2520D-866C-4293-831D-815BF466DFA2@linaro.org>

This patch adds a debug counter to -fprefetch-loop-arrays pass.  It can be activated by "-fdbg-cnt=prefetch:10" to allow only 10 first prefetches to be issued.

Bootstrapped and regtested on x86_64-linux-gnu and aarch64-linux-gnu.

--
Maxim Kuvyrkov
www.linaro.org

Attachment: 0001-Add-debug-counter-for-loop-array-prefetching.patch
Description: Binary data

Follow-Ups:
- Re: [PATCH 1/6] Add debug counter for loop array prefetching.
  - From: Richard Biener

References:
- [PATCH 0/6] Improve -fprefetch-loop-arrays in general and for AArch64 in particular
  - From: Maxim Kuvyrkov

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