diff options
Diffstat (limited to 'arch/arm/vfp/vfpsingle.c')
| -rw-r--r-- | arch/arm/vfp/vfpsingle.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 14dd696ddeb..dae2c2f4605 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c @@ -203,7 +203,7 @@ u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exce vfp_put_float(sd, d); } - return exceptions & ~VFP_NAN_FLAG; + return exceptions; } /* @@ -632,6 +632,7 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr) struct vfp_single vsm; u32 d, exceptions = 0; int rmode = fpscr & FPSCR_RMODE_MASK; + int tm; vfp_single_unpack(&vsm, m); vfp_single_dump("VSM", &vsm); @@ -639,10 +640,14 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr) /* * Do we have a denormalised number? */ + tm = vfp_single_type(&vsm); if (vfp_single_type(&vsm) & VFP_DENORMAL) exceptions |= FPSCR_IDC; - if (vsm.exponent >= 127 + 32) { + if (tm & VFP_NAN) { + d = 0; + exceptions |= FPSCR_IOC; + } else if (vsm.exponent >= 127 + 32) { /* * m >= 2^31-2^7: invalid */ @@ -1188,7 +1193,7 @@ u32 vfp_single_cpdo(u32 inst, u32 fpscr) pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride, (veclen >> FPSCR_LENGTH_BIT) + 1); - fop = (op == FOP_EXT) ? fop_extfns[sn] : fop_fns[FOP_TO_IDX(op)]; + fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)]; if (!fop) goto invalid; |