diff options
Diffstat (limited to 'riscv/insns/vnclipu_vx.h')
-rw-r--r-- | riscv/insns/vnclipu_vx.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/riscv/insns/vnclipu_vx.h b/riscv/insns/vnclipu_vx.h index 0507a2b..5b064ce 100644 --- a/riscv/insns/vnclipu_vx.h +++ b/riscv/insns/vnclipu_vx.h @@ -3,20 +3,15 @@ VRM xrm = P.VU.get_vround_mode(); uint64_t int_max = ~(-1ll << P.VU.vsew); VI_VVXI_LOOP_NARROW ({ - uint64_t result = vs2; + uint128_t result = vs2_u; + unsigned shift = rs1 & ((sew * 2) - 1); -// rounding - INT_ROUNDING(result, xrm, sew); + // rounding + INT_ROUNDING(result, xrm, shift); -// unsigned shifting to rs1 - uint64_t unsigned_shift_amount = (uint64_t)(rs1 & ((sew * 2) - 1)); - if (unsigned_shift_amount >= (2 * sew)) { - result = 0; - } else { - result = vzext(result, sew * 2) >> unsigned_shift_amount; - } + result = result >> shift; -// saturation + // saturation if (result & (uint64_t)(-1ll << sew)) { result = int_max; P.VU.vxsat = 1; |