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[RFC] [2/2] divmod transform: override expand_divmod_libfunc for ARM and add test-cases

From: Prathamesh Kulkarni <prathamesh dot kulkarni at linaro dot org>
To: gcc Patches <gcc-patches at gcc dot gnu dot org>, Richard Biener <rguenther at suse dot de>, Ramana Radhakrishnan <ramana dot radhakrishnan at arm dot com>, Kugan Vivekanandarajah <kugan dot vivekanandarajah at linaro dot org>, Jim Wilson <jim dot wilson at linaro dot org>
Date: Mon, 23 May 2016 14:28:55 +0530
Subject: [RFC] [2/2] divmod transform: override expand_divmod_libfunc for ARM and add test-cases
Authentication-results: sourceware.org; auth=none

Hi,
This patch overrides expand_divmod_libfunc for ARM port and adds test-cases.
I separated the SImode tests into separate file from DImode tests
because certain arm configs (cortex-15) have hardware div insn for
SImode but not for DImode,
and for that config we want SImode tests to be disabled but not DImode tests.
The patch therefore has two target-effective checks: divmod and divmod_simode.
Cross-tested on arm*-*-*.
Bootstrap+test on arm-linux-gnueabihf in progress.
Does this patch look OK ?

Thanks,
Prathamesh

Attachment: divmod-part2_1.diff
Description: Text document

Attachment: ChangeLog-part2
Description: Binary data

Follow-Ups:
- Re: [RFC] [2/2] divmod transform: override expand_divmod_libfunc for ARM and add test-cases
  - From: Prathamesh Kulkarni

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