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Re: [PATCH, AArch64] Support ROR in backend

From: Marcus Shawcroft <marcus dot shawcroft at arm dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Matthew Gretton-Dann <matthew dot gretton-dann at linaro dot org>
Date: Fri, 15 Mar 2013 14:30:38 +0000
Subject: Re: [PATCH, AArch64] Support ROR in backend
References: <000401ce20ca$8ab84da0$a028e8e0$@bolton@arm.com>

On 14/03/13 15:42, Ian Bolton wrote:

We couldn't generate ROR (preferred alias of EXTR when both source
registers are the same) for AArch64, when rotating by an immediate,
... until now!
This patch includes the pattern and a test.

Full regression testing for Linux and bare-metal passed.

OK for trunk stage-1?
Thanks,
Ian
2013-03-14 Ian Bolton <ian.bolton@arm.com>
gcc/
	* config/aarch64/aarch64.md (*ror<mode>3_insn): New pattern.
	(*rorsi3_insn_uxtw): Likewise.
testsuite/
	* gcc.target/aarch64/ror.c: New test.

OK for stage-1

/Marcus

References:
- [PATCH, AArch64] Support ROR in backend
  - From: Ian Bolton

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