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Re: [Qemu-devel] [PATCH v4] target-m68k: add rol/ror/roxl/roxr instructi
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From: |
Laurent Vivier |
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Subject: |
Re: [Qemu-devel] [PATCH v4] target-m68k: add rol/ror/roxl/roxr instructions |
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Date: |
Sun, 27 Nov 2016 18:48:17 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
Le 11/11/2016 à 22:25, Laurent Vivier a écrit :
> --- a/target-m68k/translate.c
> +++ b/target-m68k/translate.c
> +DISAS_INSN(rotate16_im)
> +{
> + int left = (insn & 0x100);
> + TCGv reg;
> + TCGv shift;
> + int tmp;
> +
> + reg = gen_extend(DREG(insn, 0), OS_WORD, 0);
> + tmp = (insn >> 9) & 7;
> + if (tmp == 0) {
> + tmp = 8;
> + }
> +
> + shift = tcg_const_i32(tmp);
> + if (insn & 8) {
> + rotate(reg, shift, left, 16);
> + } else {
> + TCGv X = rotate_x(reg, shift, left, 16);
> + rotate_x_flags(reg, X, 8);
Must be:
rotate_x_flags(reg, X, 16);
> + tcg_temp_free(X);
> + }
> + tcg_temp_free(shift);
> + gen_partset_reg(OS_WORD, DREG(insn, 0), reg);
> + set_cc_op(s, CC_OP_FLAGS);
> +}
Thanks,
Laurent