Re: [PATCH v3 13/29] tcg/s390: Support bswap flags

2021-06-28 Thread Richard Henderson
On 6/28/21 7:43 AM, Peter Maydell wrote: On Sat, 26 Jun 2021 at 07:44, Richard Henderson wrote: For INDEX_op_bswap16_i64, use 64-bit instructions so that we can easily provide the extension to 64-bits. Drop the special case, previously used, where the input is already zero-extended -- the

Re: [PATCH v3 13/29] tcg/s390: Support bswap flags

2021-06-28 Thread Peter Maydell
On Sat, 26 Jun 2021 at 07:44, Richard Henderson wrote: > > For INDEX_op_bswap16_i64, use 64-bit instructions so that we can > easily provide the extension to 64-bits. Drop the special case, > previously used, where the input is already zero-extended -- the > minor code size savings is not worth

[PATCH v3 13/29] tcg/s390: Support bswap flags

2021-06-26 Thread Richard Henderson
For INDEX_op_bswap16_i64, use 64-bit instructions so that we can easily provide the extension to 64-bits. Drop the special case, previously used, where the input is already zero-extended -- the minor code size savings is not worth the complication. Cc: qemu-s3...@nongnu.org Signed-off-by: