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| From: | Richard Henderson |
| Subject: | Re: [PATCH 01/28] tcg: Add flags argument to bswap opcodes |
| Date: | Mon, 21 Jun 2021 06:59:48 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
On 6/21/21 6:41 AM, Peter Maydell wrote:
On Mon, 14 Jun 2021 at 09:43, Richard Henderson <richard.henderson@linaro.org> wrote:This will eventually simplify front-end usage, and will allow backends to unset TCG_TARGET_HAS_MEMORY_BSWAP without loss of optimization. The argument is added during expansion, not currently exposed to the front end translators. Non-zero values are not yet supported by any backends.Here we say non-zero values are not yet supported by the backend...
I meant to say "non-zeroed" wrt the inputs and outputs, i.e. the previous semantics...
+ tcg_gen_op3i_i32(INDEX_op_bswap16_i32, ret, arg, + TCG_BSWAP_IZ | TCG_BSWAP_OZ);
which were these. r~
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