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[PATCH, AArch64] Fix disassembling of index register in ld/st register offset instructions

From: Yufeng Zhang <Yufeng dot Zhang at arm dot com>
To: "binutils at sourceware dot org" <binutils at sourceware dot org>
Cc: Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>
Date: Mon, 24 Feb 2014 15:12:43 +0000
Subject: [PATCH, AArch64] Fix disassembling of index register in ld/st register offset instructions
Authentication-results: sourceware.org; auth=none

Hi,

This patch fixes a bug in printing the index register in the load/storeregister offset instruction when the index register is of register 31.


Instead of printing [xw]31, e.g.

ldr xzr, [sp,x31,sxtx #3]

it should print the [xw]zr, e.g.

ldr xzr, [sp,xzr,sxtx #3]

The patch passes regtest on aarch64-none-elf.

OK for the trunk and 2.24 branch?

Thanks,
Yufeng

opcodes/

	* aarch64-opc.c (print_register_offset_address): Call
	get_int_reg_name to prepare the register name.

gas/testsuite/

	* gas/aarch64/ldst-reg-reg-offset.s: Add tests.
	* gas/aarch64/ldst-reg-reg-offset.d: Update.

Attachment: patch
Description: Text document

Follow-Ups:
- Re: [PATCH, AArch64] Fix disassembling of index register in ld/st register offset instructions
  - From: Marcus Shawcroft

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