From: Richard Henderson <richard.henderson@linaro.org>
To: LIU Zhiwei <zhiwei_liu@c-sky.com>,
qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: palmer@dabbelt.com, wenmeng_zhang@c-sky.com,
Alistair.Francis@wdc.com, wxy194768@alibaba-inc.com
Subject: Re: [PATCH 1/1] tcg/tcg-op: nonatomic_op should work with smaller memop
Date: Wed, 1 Jul 2020 09:25:56 -0700 [thread overview]
Message-ID: <e828263f-e592-d787-b4cd-44c41a41e7f3@linaro.org> (raw)
In-Reply-To: <20200701152156.1147-1-zhiwei_liu@c-sky.com>
On 7/1/20 8:21 AM, LIU Zhiwei wrote:
> - tcg_gen_qemu_ld_i32(t1, addr, idx, memop & ~MO_SIGN);
> + tcg_gen_qemu_ld_i32(t1, addr, idx, memop);
> + tcg_gen_ext_i32(val, val, memop);
> gen(t2, t1, val);
I was just about to post a simiar patch.
The difference with mine is that I do not modify val:
- gen(t2, t1, val);
+ tcg_gen_ext_i32(t2, val, memop);
+ gen(t2, t1, t2);
r~
next prev parent reply other threads:[~2020-07-01 16:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 15:21 [PATCH 1/1] tcg/tcg-op: nonatomic_op should work with smaller memop LIU Zhiwei
2020-07-01 16:25 ` Richard Henderson [this message]
2020-07-01 23:44 ` LIU Zhiwei
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