diff options
Diffstat (limited to 'arch/arm/vfp/vfpdouble.c')
| -rw-r--r-- | arch/arm/vfp/vfpdouble.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index 74e89f8fb3a..423f56dd402 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -668,8 +668,8 @@ static struct op fops_ext[32] = { [FEXT_TO_IDX(FEXT_FCMPZ)] = { vfp_double_fcmpz, OP_SCALAR }, [FEXT_TO_IDX(FEXT_FCMPEZ)] = { vfp_double_fcmpez, OP_SCALAR }, [FEXT_TO_IDX(FEXT_FCVT)] = { vfp_double_fcvts, OP_SCALAR|OP_SD }, - [FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR }, - [FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR }, + [FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR|OP_SM }, + [FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR|OP_SM }, [FEXT_TO_IDX(FEXT_FTOUI)] = { vfp_double_ftoui, OP_SCALAR|OP_SD }, [FEXT_TO_IDX(FEXT_FTOUIZ)] = { vfp_double_ftouiz, OP_SCALAR|OP_SD }, [FEXT_TO_IDX(FEXT_FTOSI)] = { vfp_double_ftosi, OP_SCALAR|OP_SD }, @@ -866,6 +866,8 @@ vfp_double_multiply_accumulate(int dd, int dn, int dm, u32 fpscr, u32 negate, ch vdp.sign = vfp_sign_negate(vdp.sign); vfp_double_unpack(&vdn, vfp_get_double(dd)); + if (vdn.exponent == 0 && vdn.significand) + vfp_double_normalise_denormal(&vdn); if (negate & NEG_SUBTRACT) vdn.sign = vfp_sign_negate(vdn.sign); @@ -1128,11 +1130,11 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) u32 exceptions = 0; unsigned int dest; unsigned int dn = vfp_get_dn(inst); - unsigned int dm = vfp_get_dm(inst); + unsigned int dm; unsigned int vecitr, veclen, vecstride; struct op *fop; - vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK)) * 2; + vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK)); fop = (op == FOP_EXT) ? &fops_ext[FEXT_TO_IDX(inst)] : &fops[FOP_TO_IDX(op)]; @@ -1146,6 +1148,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) dest = vfp_get_dd(inst); /* + * f[us]ito takes a sN operand, not a dN operand. + */ + if (fop->flags & OP_SM) + dm = vfp_get_sm(inst); + else + dm = vfp_get_dm(inst); + + /* * If destination bank is zero, vector length is always '1'. * ARM DDI0100F C5.1.3, C5.3.2. */ @@ -1184,10 +1194,10 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) * CHECK: It appears to be undefined whether we stop when * we encounter an exception. We continue. */ - dest = FREG_BANK(dest) + ((FREG_IDX(dest) + vecstride) & 6); - dn = FREG_BANK(dn) + ((FREG_IDX(dn) + vecstride) & 6); + dest = FREG_BANK(dest) + ((FREG_IDX(dest) + vecstride) & 3); + dn = FREG_BANK(dn) + ((FREG_IDX(dn) + vecstride) & 3); if (FREG_BANK(dm) != 0) - dm = FREG_BANK(dm) + ((FREG_IDX(dm) + vecstride) & 6); + dm = FREG_BANK(dm) + ((FREG_IDX(dm) + vecstride) & 3); } return exceptions; |