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target-arm: Add support for AArch32 FP VRINTZ 

Add support for the AArch32 floating-point VRINTZ instruction.

Signed-off-by: Will Newton <will.newton@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Will Newton 2014-01-31 14:47:34 +00:00 committed by Peter Maydell
parent 664c6733d7
commit a290c62a75
1 changed files with 16 additions and 0 deletions
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16
target-arm/translate.c
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@ -3390,6 +3390,22 @@ static int disas_vfp_insn(CPUARMState * env, DisasContext *s, uint32_t insn)
tcg_temp_free_ptr(fpst);
break;
}
case 13: /* vrintz */
{
TCGv_ptr fpst = get_fpstatus_ptr(0);
TCGv_i32 tcg_rmode;
tcg_rmode = tcg_const_i32(float_round_to_zero);
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
if (dp) {
gen_helper_rintd(cpu_F0d, cpu_F0d, fpst);
} else {
gen_helper_rints(cpu_F0s, cpu_F0s, fpst);
}
gen_helper_set_rmode(tcg_rmode, tcg_rmode, cpu_env);
tcg_temp_free_i32(tcg_rmode);
tcg_temp_free_ptr(fpst);
break;
}
case 15: /* single<->double conversion */
if (dp)
gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env);