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Re: RFC: patch to build GCC for arm with LRA
- From: Richard Sandiford <rdsandiford at googlemail dot com>
- To: Yvan Roux <yvan dot roux at linaro dot org>
- Cc: Vladimir Makarov <vmakarov at redhat dot com>, Richard Earnshaw <rearnsha at arm dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, Marcus Shawcroft <marcus dot shawcroft at arm dot com>, Ramana Radhakrishnan <Ramana dot Radhakrishnan at arm dot com>, Matthew Gretton-Dann <matthew dot gretton-dann at linaro dot org>, rth at redhat dot com
- Date: Mon, 09 Sep 2013 09:58:23 +0100
- Subject: Re: RFC: patch to build GCC for arm with LRA
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- References: <CAD57uCfSsANZvkMHmKphMHRnAxJNXGBxGEmSfhHSYwR7Jg9H-Q at mail dot gmail dot com> <877geri40k dot fsf at talisman dot default> <522D06E4 dot 1050602 at redhat dot com> <CAD57uCfpzd-7fKODP1oyWhY9f1QW2J=3BpMT3LAUMqC82Xvy0g at mail dot gmail dot com> <87zjrmgytu dot fsf at talisman dot default>
Richard Sandiford <rdsandiford@googlemail.com> writes:
> I think SIGN_EXTRACT from the lsb (i.e. when the third operand is 0 for
> !BITS_BIG_ENDIAN or GET_MODE_PRECISION (mode) - 1 for BITS_BIG_ENDIAN)
Gah, "GET_MODE_PRECISION (mode) - size" for BITS_BIG_ENDIAN.
Richard