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Re: [PATCH] tcg/tci: Implement INDEX_op_ld8s_i64
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH] tcg/tci: Implement INDEX_op_ld8s_i64 |
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Date: |
Wed, 27 Jan 2021 12:55:56 -1000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 1/27/21 11:07 AM, Stefan Weil wrote:
> case INDEX_op_ld8s_i64:
> - TODO();
> + t0 = *tb_ptr++;
> + t1 = tci_read_r(regs, &tb_ptr);
> + t2 = tci_read_s32(&tb_ptr);
> + tci_write_reg8(regs, t0, *(int8_t *)(t1 + t2));
> break;
This doesn't work, because tci_write_reg8 truncates to uint8_t again. You need
to use tci_write_reg().
r~