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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v4 2/3] tcg/aarch64: Use ADRP+ADD to compute target address |
Date: | Fri, 30 Jun 2017 09:08:38 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 06/30/2017 07:36 AM, Pranith Kumar wrote:
We use ADRP+ADD to compute the target address for goto_tb. This patch introduces the NOP instruction which is used to align the above instruction pair so that we can use one atomic instruction to patch the destination offsets. CC: Richard Henderson<address@hidden> CC: Alex Bennée<address@hidden> Signed-off-by: Pranith Kumar<address@hidden> --- accel/tcg/translate-all.c | 2 +- tcg/aarch64/tcg-target.inc.c | 36 ++++++++++++++++++++++++++++++------ 2 files changed, 31 insertions(+), 7 deletions(-)
Reviewed-by: Richard Henderson <address@hidden> r~
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