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From: | Richard Henderson |
Subject: | Re: [PATCH v2 17/19] tcg: save vaddr temp for plugin usage |
Date: | Sun, 16 Feb 2020 01:23:58 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 2/13/20 2:51 PM, Alex Bennée wrote: > From: Richard Henderson <address@hidden> > > While do_gen_mem_cb does copy (via extu_tl_i64) vaddr into a new temp > this won't help if the vaddr temp gets clobbered by the actual > load/store op. To avoid this clobbering we explicitly copy vaddr > before the op to ensure it is live my the time we do the > instrumentation. > > Suggested-by: Richard Henderson <address@hidden> > Signed-off-by: Alex Bennée <address@hidden> > Cc: address@hidden > --- > tcg/tcg-op.c | 23 ++++++++++++++++++++--- > 1 file changed, 20 insertions(+), 3 deletions(-) Reviewed-by: Richard Henderson <address@hidden> r~
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