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target-i386: Implement RORX

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-01-16 14:55:09 -08:00
parent 4a554890e4
commit e2c3c2c551
1 changed files with 32 additions and 0 deletions
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32
target-i386/translate.c
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@ -4433,6 +4433,38 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b,
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
sse_fn_eppi(cpu_env, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
break;
case 0x33a:
/* Various integer extensions at 0f 3a f[0-f]. */
b = modrm | (b1 << 8);
modrm = cpu_ldub_code(env, s->pc++);
reg = ((modrm >> 3) & 7) | rex_r;
switch (b) {
case 0x3f0: /* rorx Gy,Ey, Ib */
if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
|| !(s->prefix & PREFIX_VEX)
|| s->vex_l != 0) {
goto illegal_op;
}
ot = s->dflag == 2 ? OT_QUAD : OT_LONG;
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
b = cpu_ldub_code(env, s->pc++);
if (ot == OT_QUAD) {
tcg_gen_rotri_tl(cpu_T[0], cpu_T[0], b & 63);
} else {
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, b & 31);
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
}
gen_op_mov_reg_T0(ot, reg);
break;
default:
goto illegal_op;
}
break;
default:
goto illegal_op;
}