diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index d40caf0e8e..e4c446d34c 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2288,6 +2288,33 @@ void helper_vcmpbfp_dot (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) vcmpbfp_internal(r, a, b, 1); } +#define VCT(suffix, satcvt, element) \ + void helper_vct##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t uim) \ + { \ + int i; \ + int sat = 0; \ + float_status s = env->vec_status; \ + set_float_rounding_mode(float_round_to_zero, &s); \ + for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ + if (float32_is_nan(b->f[i]) || \ + float32_is_signaling_nan(b->f[i])) { \ + r->element[i] = 0; \ + } else { \ + float64 t = float32_to_float64(b->f[i], &s); \ + int64_t j; \ + t = float64_scalbn(t, uim, &s); \ + j = float64_to_int64(t, &s); \ + r->element[i] = satcvt(j, &sat); \ + } \ + } \ + if (sat) { \ + env->vscr |= (1 << VSCR_SAT); \ + } \ + } +VCT(uxs, cvtsduw, u32) +VCT(sxs, cvtsdsw, s32) +#undef VCT + void helper_vmaddfp (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { int i; |