diff options
Diffstat (limited to 'arch/arm/vfp')
| -rw-r--r-- | arch/arm/vfp/vfpdouble.c | 29 | ||||
| -rw-r--r-- | arch/arm/vfp/vfphw.S | 6 | ||||
| -rw-r--r-- | arch/arm/vfp/vfpsingle.c | 9 |
3 files changed, 24 insertions, 20 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index 9b367a65cb4..febd115dba2 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -588,6 +588,7 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr) struct vfp_double vdm; u32 d, exceptions = 0; int rmode = fpscr & FPSCR_RMODE_MASK; + int tm; vfp_double_unpack(&vdm, vfp_get_double(dm)); vfp_double_dump("VDM", &vdm); @@ -595,10 +596,14 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr) /* * Do we have denormalised number? */ - if (vfp_double_type(&vdm) & VFP_DENORMAL) + tm = vfp_double_type(&vdm); + if (tm & VFP_DENORMAL) exceptions |= FPSCR_IDC; - if (vdm.exponent >= 1023 + 32) { + if (tm & VFP_NAN) { + d = 0; + exceptions |= FPSCR_IOC; + } else if (vdm.exponent >= 1023 + 32) { d = 0x7fffffff; if (vdm.sign) d = ~d; @@ -1122,9 +1127,9 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) { u32 op = inst & FOP_MASK; u32 exceptions = 0; - unsigned int dd = vfp_get_sd(inst); - unsigned int dn = vfp_get_sn(inst); - unsigned int dm = vfp_get_sm(inst); + unsigned int dd = vfp_get_dd(inst); + unsigned int dn = vfp_get_dn(inst); + unsigned int dm = vfp_get_dm(inst); unsigned int vecitr, veclen, vecstride; u32 (*fop)(int, int, s32, u32); @@ -1141,7 +1146,7 @@ u32 vfp_double_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[dn] : 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; @@ -1149,17 +1154,13 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) u32 except; if (op == FOP_EXT) - pr_debug("VFP: itr%d (d%u.%u) = op[%u] (d%u.%u)\n", + pr_debug("VFP: itr%d (d%u) = op[%u] (d%u)\n", vecitr >> FPSCR_LENGTH_BIT, - dd >> 1, dd & 1, dn, - dm >> 1, dm & 1); + dd, dn, dm); else - pr_debug("VFP: itr%d (d%u.%u) = (d%u.%u) op[%u] (d%u.%u)\n", + pr_debug("VFP: itr%d (d%u) = (d%u) op[%u] (d%u)\n", vecitr >> FPSCR_LENGTH_BIT, - dd >> 1, dd & 1, - dn >> 1, dn & 1, - FOP_TO_IDX(op), - dm >> 1, dm & 1); + dd, dn, FOP_TO_IDX(op), dm); except = fop(dd, dn, dm, fpscr); pr_debug("VFP: itr%d: exceptions=%08x\n", diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index b7ed57e00cd..a3f65b47aea 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -189,11 +189,10 @@ vfp_put_float: .globl vfp_get_double vfp_get_double: - mov r0, r0, lsr #1 add pc, pc, r0, lsl #3 mov r0, r0 .irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 - mrrc p10, 1, r0, r1, c\dr @ fmrrd r0, r1, d\dr + mrrc p11, 1, r0, r1, c\dr @ fmrrd r0, r1, d\dr mov pc, lr .endr @@ -204,10 +203,9 @@ vfp_get_double: .globl vfp_put_double vfp_put_double: - mov r0, r0, lsr #1 add pc, pc, r0, lsl #3 mov r0, r0 .irp dr,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 - mcrr p10, 1, r1, r2, c\dr @ fmrrd r1, r2, d\dr + mcrr p11, 1, r1, r2, c\dr @ fmdrr r1, r2, d\dr mov pc, lr .endr diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 14dd696ddeb..4ac27f19393 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c @@ -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; |