diff options
Diffstat (limited to 'arch/arm/vfp/vfpdouble.c')
-rw-r--r-- | arch/arm/vfp/vfpdouble.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index add48e36c2dc..e19a4f7620de 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c | |||
@@ -659,22 +659,22 @@ static u32 vfp_double_ftosiz(int dd, int unused, int dm, u32 fpscr) | |||
659 | } | 659 | } |
660 | 660 | ||
661 | 661 | ||
662 | static u32 (* const fop_extfns[32])(int dd, int unused, int dm, u32 fpscr) = { | 662 | static struct op fops_ext[32] = { |
663 | [FEXT_TO_IDX(FEXT_FCPY)] = vfp_double_fcpy, | 663 | [FEXT_TO_IDX(FEXT_FCPY)] = {vfp_double_fcpy, 0}, |
664 | [FEXT_TO_IDX(FEXT_FABS)] = vfp_double_fabs, | 664 | [FEXT_TO_IDX(FEXT_FABS)] = {vfp_double_fabs, 0}, |
665 | [FEXT_TO_IDX(FEXT_FNEG)] = vfp_double_fneg, | 665 | [FEXT_TO_IDX(FEXT_FNEG)] = {vfp_double_fneg, 0}, |
666 | [FEXT_TO_IDX(FEXT_FSQRT)] = vfp_double_fsqrt, | 666 | [FEXT_TO_IDX(FEXT_FSQRT)] = {vfp_double_fsqrt, 0}, |
667 | [FEXT_TO_IDX(FEXT_FCMP)] = vfp_double_fcmp, | 667 | [FEXT_TO_IDX(FEXT_FCMP)] = {vfp_double_fcmp, OP_SCALAR}, |
668 | [FEXT_TO_IDX(FEXT_FCMPE)] = vfp_double_fcmpe, | 668 | [FEXT_TO_IDX(FEXT_FCMPE)] = {vfp_double_fcmpe, OP_SCALAR}, |
669 | [FEXT_TO_IDX(FEXT_FCMPZ)] = vfp_double_fcmpz, | 669 | [FEXT_TO_IDX(FEXT_FCMPZ)] = {vfp_double_fcmpz, OP_SCALAR}, |
670 | [FEXT_TO_IDX(FEXT_FCMPEZ)] = vfp_double_fcmpez, | 670 | [FEXT_TO_IDX(FEXT_FCMPEZ)] = {vfp_double_fcmpez, OP_SCALAR}, |
671 | [FEXT_TO_IDX(FEXT_FCVT)] = vfp_double_fcvts, | 671 | [FEXT_TO_IDX(FEXT_FCVT)] = {vfp_double_fcvts, (OP_SD|OP_SCALAR)}, |
672 | [FEXT_TO_IDX(FEXT_FUITO)] = vfp_double_fuito, | 672 | [FEXT_TO_IDX(FEXT_FUITO)] = {vfp_double_fuito, OP_SCALAR}, |
673 | [FEXT_TO_IDX(FEXT_FSITO)] = vfp_double_fsito, | 673 | [FEXT_TO_IDX(FEXT_FSITO)] = {vfp_double_fsito, OP_SCALAR}, |
674 | [FEXT_TO_IDX(FEXT_FTOUI)] = vfp_double_ftoui, | 674 | [FEXT_TO_IDX(FEXT_FTOUI)] = {vfp_double_ftoui, (OP_SD|OP_SCALAR)}, |
675 | [FEXT_TO_IDX(FEXT_FTOUIZ)] = vfp_double_ftouiz, | 675 | [FEXT_TO_IDX(FEXT_FTOUIZ)] = {vfp_double_ftouiz, (OP_SD|OP_SCALAR)}, |
676 | [FEXT_TO_IDX(FEXT_FTOSI)] = vfp_double_ftosi, | 676 | [FEXT_TO_IDX(FEXT_FTOSI)] = {vfp_double_ftosi, (OP_SD|OP_SCALAR)}, |
677 | [FEXT_TO_IDX(FEXT_FTOSIZ)] = vfp_double_ftosiz, | 677 | [FEXT_TO_IDX(FEXT_FTOSIZ)] = {vfp_double_ftosiz, (OP_SD|OP_SCALAR)}, |
678 | }; | 678 | }; |
679 | 679 | ||
680 | 680 | ||
@@ -1108,16 +1108,16 @@ static u32 vfp_double_fdiv(int dd, int dn, int dm, u32 fpscr) | |||
1108 | return FPSCR_IOC; | 1108 | return FPSCR_IOC; |
1109 | } | 1109 | } |
1110 | 1110 | ||
1111 | static u32 (* const fop_fns[16])(int dd, int dn, int dm, u32 fpscr) = { | 1111 | static struct op fops[16] = { |
1112 | [FOP_TO_IDX(FOP_FMAC)] = vfp_double_fmac, | 1112 | [FOP_TO_IDX(FOP_FMAC)] = {vfp_double_fmac, 0}, |
1113 | [FOP_TO_IDX(FOP_FNMAC)] = vfp_double_fnmac, | 1113 | [FOP_TO_IDX(FOP_FNMAC)] = {vfp_double_fnmac, 0}, |
1114 | [FOP_TO_IDX(FOP_FMSC)] = vfp_double_fmsc, | 1114 | [FOP_TO_IDX(FOP_FMSC)] = {vfp_double_fmsc, 0}, |
1115 | [FOP_TO_IDX(FOP_FNMSC)] = vfp_double_fnmsc, | 1115 | [FOP_TO_IDX(FOP_FNMSC)] = {vfp_double_fnmsc, 0}, |
1116 | [FOP_TO_IDX(FOP_FMUL)] = vfp_double_fmul, | 1116 | [FOP_TO_IDX(FOP_FMUL)] = {vfp_double_fmul, 0}, |
1117 | [FOP_TO_IDX(FOP_FNMUL)] = vfp_double_fnmul, | 1117 | [FOP_TO_IDX(FOP_FNMUL)] = {vfp_double_fnmul, 0}, |
1118 | [FOP_TO_IDX(FOP_FADD)] = vfp_double_fadd, | 1118 | [FOP_TO_IDX(FOP_FADD)] = {vfp_double_fadd, 0}, |
1119 | [FOP_TO_IDX(FOP_FSUB)] = vfp_double_fsub, | 1119 | [FOP_TO_IDX(FOP_FSUB)] = {vfp_double_fsub, 0}, |
1120 | [FOP_TO_IDX(FOP_FDIV)] = vfp_double_fdiv, | 1120 | [FOP_TO_IDX(FOP_FDIV)] = {vfp_double_fdiv, 0}, |
1121 | }; | 1121 | }; |
1122 | 1122 | ||
1123 | #define FREG_BANK(x) ((x) & 0x0c) | 1123 | #define FREG_BANK(x) ((x) & 0x0c) |
@@ -1131,39 +1131,39 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) | |||
1131 | unsigned int dn = vfp_get_dn(inst); | 1131 | unsigned int dn = vfp_get_dn(inst); |
1132 | unsigned int dm = vfp_get_dm(inst); | 1132 | unsigned int dm = vfp_get_dm(inst); |
1133 | unsigned int vecitr, veclen, vecstride; | 1133 | unsigned int vecitr, veclen, vecstride; |
1134 | u32 (*fop)(int, int, s32, u32); | 1134 | struct op *fop; |
1135 | 1135 | ||
1136 | veclen = fpscr & FPSCR_LENGTH_MASK; | ||
1137 | vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK)) * 2; | 1136 | vecstride = (1 + ((fpscr & FPSCR_STRIDE_MASK) == FPSCR_STRIDE_MASK)) * 2; |
1138 | 1137 | ||
1138 | fop = (op == FOP_EXT) ? &fops_ext[FEXT_TO_IDX(inst)] : &fops[FOP_TO_IDX(op)]; | ||
1139 | /* | 1139 | /* |
1140 | * fcvtds takes an sN register number as destination, not dN. | 1140 | * fcvtds takes an sN register number as destination, not dN. |
1141 | * It also always operates on scalars. | 1141 | * It also always operates on scalars. |
1142 | */ | 1142 | */ |
1143 | if ((inst & FEXT_MASK) == FEXT_FCVT) { | 1143 | if (fop->flags & OP_SD) |
1144 | veclen = 0; | ||
1145 | dest = vfp_get_sd(inst); | 1144 | dest = vfp_get_sd(inst); |
1146 | } else | 1145 | else |
1147 | dest = vfp_get_dd(inst); | 1146 | dest = vfp_get_dd(inst); |
1148 | 1147 | ||
1149 | /* | 1148 | /* |
1150 | * If destination bank is zero, vector length is always '1'. | 1149 | * If destination bank is zero, vector length is always '1'. |
1151 | * ARM DDI0100F C5.1.3, C5.3.2. | 1150 | * ARM DDI0100F C5.1.3, C5.3.2. |
1152 | */ | 1151 | */ |
1153 | if (FREG_BANK(dest) == 0) | 1152 | if ((fop->flags & OP_SCALAR) || (FREG_BANK(dest) == 0)) |
1154 | veclen = 0; | 1153 | veclen = 0; |
1154 | else | ||
1155 | veclen = fpscr & FPSCR_LENGTH_MASK; | ||
1155 | 1156 | ||
1156 | pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride, | 1157 | pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride, |
1157 | (veclen >> FPSCR_LENGTH_BIT) + 1); | 1158 | (veclen >> FPSCR_LENGTH_BIT) + 1); |
1158 | 1159 | ||
1159 | fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)]; | 1160 | if (!fop->fn) |
1160 | if (!fop) | ||
1161 | goto invalid; | 1161 | goto invalid; |
1162 | 1162 | ||
1163 | for (vecitr = 0; vecitr <= veclen; vecitr += 1 << FPSCR_LENGTH_BIT) { | 1163 | for (vecitr = 0; vecitr <= veclen; vecitr += 1 << FPSCR_LENGTH_BIT) { |
1164 | u32 except; | 1164 | u32 except; |
1165 | 1165 | ||
1166 | if (op == FOP_EXT && (inst & FEXT_MASK) == FEXT_FCVT) | 1166 | if (op == FOP_EXT && (fop->flags & OP_SD)) |
1167 | pr_debug("VFP: itr%d (s%u) = op[%u] (d%u)\n", | 1167 | pr_debug("VFP: itr%d (s%u) = op[%u] (d%u)\n", |
1168 | vecitr >> FPSCR_LENGTH_BIT, | 1168 | vecitr >> FPSCR_LENGTH_BIT, |
1169 | dest, dn, dm); | 1169 | dest, dn, dm); |
@@ -1176,7 +1176,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr) | |||
1176 | vecitr >> FPSCR_LENGTH_BIT, | 1176 | vecitr >> FPSCR_LENGTH_BIT, |
1177 | dest, dn, FOP_TO_IDX(op), dm); | 1177 | dest, dn, FOP_TO_IDX(op), dm); |
1178 | 1178 | ||
1179 | except = fop(dest, dn, dm, fpscr); | 1179 | except = fop->fn(dest, dn, dm, fpscr); |
1180 | pr_debug("VFP: itr%d: exceptions=%08x\n", | 1180 | pr_debug("VFP: itr%d: exceptions=%08x\n", |
1181 | vecitr >> FPSCR_LENGTH_BIT, except); | 1181 | vecitr >> FPSCR_LENGTH_BIT, except); |
1182 | 1182 | ||