diff options
Diffstat (limited to 'target-ppc/dfp_helper.c')
| -rw-r--r-- | target-ppc/dfp_helper.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target-ppc/dfp_helper.c b/target-ppc/dfp_helper.c index 23f85c4eec..243ed8908c 100644 --- a/target-ppc/dfp_helper.c +++ b/target-ppc/dfp_helper.c @@ -800,3 +800,43 @@ void helper_##op(CPUPPCState *env, uint64_t *t, uint64_t *a, \ DFP_HELPER_RRND(drrnd, 64) DFP_HELPER_RRND(drrndq, 128) + +#define DFP_HELPER_RINT(op, postprocs, size) \ +void helper_##op(CPUPPCState *env, uint64_t *t, uint64_t *b, \ + uint32_t r, uint32_t rmc) \ +{ \ + struct PPC_DFP dfp; \ + \ + dfp_prepare_decimal##size(&dfp, 0, b, env); \ + \ + dfp_set_round_mode_from_immediate(r, rmc, &dfp); \ + decNumberToIntegralExact(&dfp.t, &dfp.b, &dfp.context); \ + decimal##size##FromNumber((decimal##size *)dfp.t64, &dfp.t, &dfp.context); \ + postprocs(&dfp); \ + \ + if (size == 64) { \ + t[0] = dfp.t64[0]; \ + } else if (size == 128) { \ + t[0] = dfp.t64[HI_IDX]; \ + t[1] = dfp.t64[LO_IDX]; \ + } \ +} + +static void RINTX_PPs(struct PPC_DFP *dfp) +{ + dfp_set_FPRF_from_FRT(dfp); + dfp_check_for_XX(dfp); + dfp_check_for_VXSNAN(dfp); +} + +DFP_HELPER_RINT(drintx, RINTX_PPs, 64) +DFP_HELPER_RINT(drintxq, RINTX_PPs, 128) + +static void RINTN_PPs(struct PPC_DFP *dfp) +{ + dfp_set_FPRF_from_FRT(dfp); + dfp_check_for_VXSNAN(dfp); +} + +DFP_HELPER_RINT(drintn, RINTN_PPs, 64) +DFP_HELPER_RINT(drintnq, RINTN_PPs, 128) |