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Diffstat (limited to 'target-arm/iwmmxt_helper.c')
| -rw-r--r-- | target-arm/iwmmxt_helper.c | 682 |
1 files changed, 682 insertions, 0 deletions
diff --git a/target-arm/iwmmxt_helper.c b/target-arm/iwmmxt_helper.c new file mode 100644 index 0000000..6e801c8 --- /dev/null +++ b/target-arm/iwmmxt_helper.c @@ -0,0 +1,682 @@ +/* + * iwMMXt micro operations for XScale. + * + * Copyright (c) 2007 OpenedHand, Ltd. + * Written by Andrzej Zaborowski <andrew@openedhand.com> + * Copyright (c) 2008 CodeSourcery + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdlib.h> +#include <stdio.h> + +#include "cpu.h" +#include "exec-all.h" +#include "helpers.h" + +/* iwMMXt macros extracted from GNU gdb. */ + +/* Set the SIMD wCASF flags for 8, 16, 32 or 64-bit operations. */ +#define SIMD8_SET( v, n, b) ((v != 0) << ((((b) + 1) * 4) + (n))) +#define SIMD16_SET(v, n, h) ((v != 0) << ((((h) + 1) * 8) + (n))) +#define SIMD32_SET(v, n, w) ((v != 0) << ((((w) + 1) * 16) + (n))) +#define SIMD64_SET(v, n) ((v != 0) << (32 + (n))) +/* Flags to pass as "n" above. */ +#define SIMD_NBIT -1 +#define SIMD_ZBIT -2 +#define SIMD_CBIT -3 +#define SIMD_VBIT -4 +/* Various status bit macros. */ +#define NBIT8(x) ((x) & 0x80) +#define NBIT16(x) ((x) & 0x8000) +#define NBIT32(x) ((x) & 0x80000000) +#define NBIT64(x) ((x) & 0x8000000000000000ULL) +#define ZBIT8(x) (((x) & 0xff) == 0) +#define ZBIT16(x) (((x) & 0xffff) == 0) +#define ZBIT32(x) (((x) & 0xffffffff) == 0) +#define ZBIT64(x) (x == 0) +/* Sign extension macros. */ +#define EXTEND8H(a) ((uint16_t) (int8_t) (a)) +#define EXTEND8(a) ((uint32_t) (int8_t) (a)) +#define EXTEND16(a) ((uint32_t) (int16_t) (a)) +#define EXTEND16S(a) ((int32_t) (int16_t) (a)) +#define EXTEND32(a) ((uint64_t) (int32_t) (a)) + +uint64_t HELPER(iwmmxt_maddsq)(uint64_t a, uint64_t b) +{ + a = (( + EXTEND16S((a >> 0) & 0xffff) * EXTEND16S((b >> 0) & 0xffff) + + EXTEND16S((a >> 16) & 0xffff) * EXTEND16S((b >> 16) & 0xffff) + ) & 0xffffffff) | ((uint64_t) ( + EXTEND16S((a >> 32) & 0xffff) * EXTEND16S((b >> 32) & 0xffff) + + EXTEND16S((a >> 48) & 0xffff) * EXTEND16S((b >> 48) & 0xffff) + ) << 32); + return a; +} + +uint64_t HELPER(iwmmxt_madduq)(uint64_t a, uint64_t b) +{ + a = (( + ((a >> 0) & 0xffff) * ((b >> 0) & 0xffff) + + ((a >> 16) & 0xffff) * ((b >> 16) & 0xffff) + ) & 0xffffffff) | (( + ((a >> 32) & 0xffff) * ((b >> 32) & 0xffff) + + ((a >> 48) & 0xffff) * ((b >> 48) & 0xffff) + ) << 32); + return a; +} + +uint64_t HELPER(iwmmxt_sadb)(uint64_t a, uint64_t b) +{ +#define abs(x) (((x) >= 0) ? x : -x) +#define SADB(SHR) abs((int) ((a >> SHR) & 0xff) - (int) ((b >> SHR) & 0xff)) + return + SADB(0) + SADB(8) + SADB(16) + SADB(24) + + SADB(32) + SADB(40) + SADB(48) + SADB(56); +#undef SADB +} + +uint64_t HELPER(iwmmxt_sadw)(uint64_t a, uint64_t b) +{ +#define SADW(SHR) \ + abs((int) ((a >> SHR) & 0xffff) - (int) ((b >> SHR) & 0xffff)) + return SADW(0) + SADW(16) + SADW(32) + SADW(48); +#undef SADW +} + +uint64_t HELPER(iwmmxt_mulslw)(uint64_t a, uint64_t b) +{ +#define MULS(SHR) ((uint64_t) ((( \ + EXTEND16S((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff) \ + ) >> 0) & 0xffff) << SHR) + return MULS(0) | MULS(16) | MULS(32) | MULS(48); +#undef MULS +} + +uint64_t HELPER(iwmmxt_mulshw)(uint64_t a, uint64_t b) +{ +#define MULS(SHR) ((uint64_t) ((( \ + EXTEND16S((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff) \ + ) >> 16) & 0xffff) << SHR) + return MULS(0) | MULS(16) | MULS(32) | MULS(48); +#undef MULS +} + +uint64_t HELPER(iwmmxt_mululw)(uint64_t a, uint64_t b) +{ +#define MULU(SHR) ((uint64_t) ((( \ + ((a >> SHR) & 0xffff) * ((b >> SHR) & 0xffff) \ + ) >> 0) & 0xffff) << SHR) + return MULU(0) | MULU(16) | MULU(32) | MULU(48); +#undef MULU +} + +uint64_t HELPER(iwmmxt_muluhw)(uint64_t a, uint64_t b) +{ +#define MULU(SHR) ((uint64_t) ((( \ + ((a >> SHR) & 0xffff) * ((b >> SHR) & 0xffff) \ + ) >> 16) & 0xffff) << SHR) + return MULU(0) | MULU(16) | MULU(32) | MULU(48); +#undef MULU +} + +uint64_t HELPER(iwmmxt_macsw)(uint64_t a, uint64_t b) +{ +#define MACS(SHR) ( \ + EXTEND16((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff)) + return (int64_t) (MACS(0) + MACS(16) + MACS(32) + MACS(48)); +#undef MACS +} + +uint64_t HELPER(iwmmxt_macuw)(uint64_t a, uint64_t b) +{ +#define MACU(SHR) ( \ + (uint32_t) ((a >> SHR) & 0xffff) * \ + (uint32_t) ((b >> SHR) & 0xffff)) + return MACU(0) + MACU(16) + MACU(32) + MACU(48); +#undef MACU +} + +#define NZBIT8(x, i) \ + SIMD8_SET(NBIT8((x) & 0xff), SIMD_NBIT, i) | \ + SIMD8_SET(ZBIT8((x) & 0xff), SIMD_ZBIT, i) +#define NZBIT16(x, i) \ + SIMD16_SET(NBIT16((x) & 0xffff), SIMD_NBIT, i) | \ + SIMD16_SET(ZBIT16((x) & 0xffff), SIMD_ZBIT, i) +#define NZBIT32(x, i) \ + SIMD32_SET(NBIT32((x) & 0xffffffff), SIMD_NBIT, i) | \ + SIMD32_SET(ZBIT32((x) & 0xffffffff), SIMD_ZBIT, i) +#define NZBIT64(x) \ + SIMD64_SET(NBIT64(x), SIMD_NBIT) | \ + SIMD64_SET(ZBIT64(x), SIMD_ZBIT) +#define IWMMXT_OP_UNPACK(S, SH0, SH1, SH2, SH3) \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, b)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = \ + (((a >> SH0) & 0xff) << 0) | (((b >> SH0) & 0xff) << 8) | \ + (((a >> SH1) & 0xff) << 16) | (((b >> SH1) & 0xff) << 24) | \ + (((a >> SH2) & 0xff) << 32) | (((b >> SH2) & 0xff) << 40) | \ + (((a >> SH3) & 0xff) << 48) | (((b >> SH3) & 0xff) << 56); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | \ + NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | \ + NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | \ + NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); \ + return a; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, w)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = \ + (((a >> SH0) & 0xffff) << 0) | \ + (((b >> SH0) & 0xffff) << 16) | \ + (((a >> SH2) & 0xffff) << 32) | \ + (((b >> SH2) & 0xffff) << 48); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT8(a >> 0, 0) | NZBIT8(a >> 16, 1) | \ + NZBIT8(a >> 32, 2) | NZBIT8(a >> 48, 3); \ + return a; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, l)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = \ + (((a >> SH0) & 0xffffffff) << 0) | \ + (((b >> SH0) & 0xffffffff) << 32); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); \ + return a; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, ub)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = \ + (((x >> SH0) & 0xff) << 0) | \ + (((x >> SH1) & 0xff) << 16) | \ + (((x >> SH2) & 0xff) << 32) | \ + (((x >> SH3) & 0xff) << 48); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | \ + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); \ + return x; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, uw)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = \ + (((x >> SH0) & 0xffff) << 0) | \ + (((x >> SH2) & 0xffff) << 32); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); \ + return x; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, ul)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = (((x >> SH0) & 0xffffffff) << 0); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x >> 0); \ + return x; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sb)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = \ + ((uint64_t) EXTEND8H((x >> SH0) & 0xff) << 0) | \ + ((uint64_t) EXTEND8H((x >> SH1) & 0xff) << 16) | \ + ((uint64_t) EXTEND8H((x >> SH2) & 0xff) << 32) | \ + ((uint64_t) EXTEND8H((x >> SH3) & 0xff) << 48); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | \ + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); \ + return x; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sw)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = \ + ((uint64_t) EXTEND16((x >> SH0) & 0xffff) << 0) | \ + ((uint64_t) EXTEND16((x >> SH2) & 0xffff) << 32); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); \ + return x; \ +} \ +uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sl)))(CPUState *env, \ + uint64_t x) \ +{ \ + x = EXTEND32((x >> SH0) & 0xffffffff); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x >> 0); \ + return x; \ +} +IWMMXT_OP_UNPACK(l, 0, 8, 16, 24) +IWMMXT_OP_UNPACK(h, 32, 40, 48, 56) + +#define IWMMXT_OP_CMP(SUFF, Tb, Tw, Tl, O) \ +uint64_t HELPER(glue(iwmmxt_, glue(SUFF, b)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = \ + CMP(0, Tb, O, 0xff) | CMP(8, Tb, O, 0xff) | \ + CMP(16, Tb, O, 0xff) | CMP(24, Tb, O, 0xff) | \ + CMP(32, Tb, O, 0xff) | CMP(40, Tb, O, 0xff) | \ + CMP(48, Tb, O, 0xff) | CMP(56, Tb, O, 0xff); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | \ + NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | \ + NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | \ + NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); \ + return a; \ +} \ +uint64_t HELPER(glue(iwmmxt_, glue(SUFF, w)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = CMP(0, Tw, O, 0xffff) | CMP(16, Tw, O, 0xffff) | \ + CMP(32, Tw, O, 0xffff) | CMP(48, Tw, O, 0xffff); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | \ + NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); \ + return a; \ +} \ +uint64_t HELPER(glue(iwmmxt_, glue(SUFF, l)))(CPUState *env, \ + uint64_t a, uint64_t b) \ +{ \ + a = CMP(0, Tl, O, 0xffffffff) | \ + CMP(32, Tl, O, 0xffffffff); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); \ + return a; \ +} +#define CMP(SHR, TYPE, OPER, MASK) ((((TYPE) ((a >> SHR) & MASK) OPER \ + (TYPE) ((b >> SHR) & MASK)) ? (uint64_t) MASK : 0) << SHR) +IWMMXT_OP_CMP(cmpeq, uint8_t, uint16_t, uint32_t, ==) +IWMMXT_OP_CMP(cmpgts, int8_t, int16_t, int32_t, >) +IWMMXT_OP_CMP(cmpgtu, uint8_t, uint16_t, uint32_t, >) +#undef CMP +#define CMP(SHR, TYPE, OPER, MASK) ((((TYPE) ((a >> SHR) & MASK) OPER \ + (TYPE) ((b >> SHR) & MASK)) ? a : b) & ((uint64_t) MASK << SHR)) +IWMMXT_OP_CMP(mins, int8_t, int16_t, int32_t, <) +IWMMXT_OP_CMP(minu, uint8_t, uint16_t, uint32_t, <) +IWMMXT_OP_CMP(maxs, int8_t, int16_t, int32_t, >) +IWMMXT_OP_CMP(maxu, uint8_t, uint16_t, uint32_t, >) +#undef CMP +#define CMP(SHR, TYPE, OPER, MASK) ((uint64_t) (((TYPE) ((a >> SHR) & MASK) \ + OPER (TYPE) ((b >> SHR) & MASK)) & MASK) << SHR) +IWMMXT_OP_CMP(subn, uint8_t, uint16_t, uint32_t, -) +IWMMXT_OP_CMP(addn, uint8_t, uint16_t, uint32_t, +) +#undef CMP +/* TODO Signed- and Unsigned-Saturation */ +#define CMP(SHR, TYPE, OPER, MASK) ((uint64_t) (((TYPE) ((a >> SHR) & MASK) \ + OPER (TYPE) ((b >> SHR) & MASK)) & MASK) << SHR) +IWMMXT_OP_CMP(subu, uint8_t, uint16_t, uint32_t, -) +IWMMXT_OP_CMP(addu, uint8_t, uint16_t, uint32_t, +) +IWMMXT_OP_CMP(subs, int8_t, int16_t, int32_t, -) +IWMMXT_OP_CMP(adds, int8_t, int16_t, int32_t, +) +#undef CMP +#undef IWMMXT_OP_CMP + +#define AVGB(SHR) ((( \ + ((a >> SHR) & 0xff) + ((b >> SHR) & 0xff) + round) >> 1) << SHR) +#define IWMMXT_OP_AVGB(r) \ +uint64_t HELPER(iwmmxt_avgb##r)(CPUState *env, uint64_t a, uint64_t b) \ +{ \ + const int round = r; \ + a = AVGB(0) | AVGB(8) | AVGB(16) | AVGB(24) | \ + AVGB(32) | AVGB(40) | AVGB(48) | AVGB(56); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + SIMD8_SET(ZBIT8((a >> 0) & 0xff), SIMD_ZBIT, 0) | \ + SIMD8_SET(ZBIT8((a >> 8) & 0xff), SIMD_ZBIT, 1) | \ + SIMD8_SET(ZBIT8((a >> 16) & 0xff), SIMD_ZBIT, 2) | \ + SIMD8_SET(ZBIT8((a >> 24) & 0xff), SIMD_ZBIT, 3) | \ + SIMD8_SET(ZBIT8((a >> 32) & 0xff), SIMD_ZBIT, 4) | \ + SIMD8_SET(ZBIT8((a >> 40) & 0xff), SIMD_ZBIT, 5) | \ + SIMD8_SET(ZBIT8((a >> 48) & 0xff), SIMD_ZBIT, 6) | \ + SIMD8_SET(ZBIT8((a >> 56) & 0xff), SIMD_ZBIT, 7); \ + return a; \ +} +IWMMXT_OP_AVGB(0) +IWMMXT_OP_AVGB(1) +#undef IWMMXT_OP_AVGB +#undef AVGB + +#define AVGW(SHR) ((( \ + ((a >> SHR) & 0xffff) + ((b >> SHR) & 0xffff) + round) >> 1) << SHR) +#define IWMMXT_OP_AVGW(r) \ +uint64_t HELPER(iwmmxt_avgw##r)(CPUState *env, uint64_t a, uint64_t b) \ +{ \ + const int round = r; \ + a = AVGW(0) | AVGW(16) | AVGW(32) | AVGW(48); \ + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ + SIMD16_SET(ZBIT16((a >> 0) & 0xffff), SIMD_ZBIT, 0) | \ + SIMD16_SET(ZBIT16((a >> 16) & 0xffff), SIMD_ZBIT, 1) | \ + SIMD16_SET(ZBIT16((a >> 32) & 0xffff), SIMD_ZBIT, 2) | \ + SIMD16_SET(ZBIT16((a >> 48) & 0xffff), SIMD_ZBIT, 3); \ + return a; \ +} +IWMMXT_OP_AVGW(0) +IWMMXT_OP_AVGW(1) +#undef IWMMXT_OP_AVGW +#undef AVGW + +uint64_t HELPER(iwmmxt_msadb)(uint64_t a, uint64_t b) +{ + a = ((((a >> 0 ) & 0xffff) * ((b >> 0) & 0xffff) + + ((a >> 16) & 0xffff) * ((b >> 16) & 0xffff)) & 0xffffffff) | + ((((a >> 32) & 0xffff) * ((b >> 32) & 0xffff) + + ((a >> 48) & 0xffff) * ((b >> 48) & 0xffff)) << 32); + return a; +} + +uint64_t HELPER(iwmmxt_align)(uint64_t a, uint64_t b, uint32_t n) +{ + a >>= n << 3; + a |= b << (64 - (n << 3)); + return a; +} + +uint64_t HELPER(iwmmxt_insr)(uint64_t x, uint32_t a, uint32_t b, uint32_t n) +{ + x &= ~((uint64_t) b << n); + x |= (uint64_t) (a & b) << n; + return x; +} + +uint32_t HELPER(iwmmxt_setpsr_nz)(uint64_t x) +{ + return SIMD64_SET((x == 0), SIMD_ZBIT) | + SIMD64_SET((x & (1ULL << 63)), SIMD_NBIT); +} + +uint64_t HELPER(iwmmxt_bcstb)(uint32_t arg) +{ + arg &= 0xff; + return + ((uint64_t) arg << 0 ) | ((uint64_t) arg << 8 ) | + ((uint64_t) arg << 16) | ((uint64_t) arg << 24) | + ((uint64_t) arg << 32) | ((uint64_t) arg << 40) | + ((uint64_t) arg << 48) | ((uint64_t) arg << 56); +} + +uint64_t HELPER(iwmmxt_bcstw)(uint32_t arg) +{ + arg &= 0xffff; + return + ((uint64_t) arg << 0 ) | ((uint64_t) arg << 16) | + ((uint64_t) arg << 32) | ((uint64_t) arg << 48); +} + +uint64_t HELPER(iwmmxt_bcstl)(uint32_t arg) +{ + return arg | ((uint64_t) arg << 32); +} + +uint64_t HELPER(iwmmxt_addcb)(uint64_t x) +{ + return + ((x >> 0) & 0xff) + ((x >> 8) & 0xff) + + ((x >> 16) & 0xff) + ((x >> 24) & 0xff) + + ((x >> 32) & 0xff) + ((x >> 40) & 0xff) + + ((x >> 48) & 0xff) + ((x >> 56) & 0xff); +} + +uint64_t HELPER(iwmmxt_addcw)(uint64_t x) +{ + return + ((x >> 0) & 0xffff) + ((x >> 16) & 0xffff) + + ((x >> 32) & 0xffff) + ((x >> 48) & 0xffff); +} + +uint64_t HELPER(iwmmxt_addcl)(uint64_t x) +{ + return (x & 0xffffffff) + (x >> 32); +} + +uint32_t HELPER(iwmmxt_msbb)(uint64_t x) +{ + return + ((x >> 7) & 0x01) | ((x >> 14) & 0x02) | + ((x >> 21) & 0x04) | ((x >> 28) & 0x08) | + ((x >> 35) & 0x10) | ((x >> 42) & 0x20) | + ((x >> 49) & 0x40) | ((x >> 56) & 0x80); +} + +uint32_t HELPER(iwmmxt_msbw)(uint64_t x) +{ + return + ((x >> 15) & 0x01) | ((x >> 30) & 0x02) | + ((x >> 45) & 0x04) | ((x >> 52) & 0x08); +} + +uint32_t HELPER(iwmmxt_msbl)(uint64_t x) +{ + return ((x >> 31) & 0x01) | ((x >> 62) & 0x02); +} + +/* FIXME: Split wCASF setting into a separate op to avoid env use. */ +uint64_t HELPER(iwmmxt_srlw)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (((x & (0xffffll << 0)) >> n) & (0xffffll << 0)) | + (((x & (0xffffll << 16)) >> n) & (0xffffll << 16)) | + (((x & (0xffffll << 32)) >> n) & (0xffffll << 32)) | + (((x & (0xffffll << 48)) >> n) & (0xffffll << 48)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); + return x; +} + +uint64_t HELPER(iwmmxt_srll)(CPUState *env, uint64_t x, uint32_t n) +{ + x = ((x & (0xffffffffll << 0)) >> n) | + ((x >> n) & (0xffffffffll << 32)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); + return x; +} + +uint64_t HELPER(iwmmxt_srlq)(CPUState *env, uint64_t x, uint32_t n) +{ + x >>= n; + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); + return x; +} + +uint64_t HELPER(iwmmxt_sllw)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (((x & (0xffffll << 0)) << n) & (0xffffll << 0)) | + (((x & (0xffffll << 16)) << n) & (0xffffll << 16)) | + (((x & (0xffffll << 32)) << n) & (0xffffll << 32)) | + (((x & (0xffffll << 48)) << n) & (0xffffll << 48)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); + return x; +} + +uint64_t HELPER(iwmmxt_slll)(CPUState *env, uint64_t x, uint32_t n) +{ + x = ((x << n) & (0xffffffffll << 0)) | + ((x & (0xffffffffll << 32)) << n); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); + return x; +} + +uint64_t HELPER(iwmmxt_sllq)(CPUState *env, uint64_t x, uint32_t n) +{ + x <<= n; + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); + return x; +} + +uint64_t HELPER(iwmmxt_sraw)(CPUState *env, uint64_t x, uint32_t n) +{ + x = ((uint64_t) ((EXTEND16(x >> 0) >> n) & 0xffff) << 0) | + ((uint64_t) ((EXTEND16(x >> 16) >> n) & 0xffff) << 16) | + ((uint64_t) ((EXTEND16(x >> 32) >> n) & 0xffff) << 32) | + ((uint64_t) ((EXTEND16(x >> 48) >> n) & 0xffff) << 48); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); + return x; +} + +uint64_t HELPER(iwmmxt_sral)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (((EXTEND32(x >> 0) >> n) & 0xffffffff) << 0) | + (((EXTEND32(x >> 32) >> n) & 0xffffffff) << 32); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); + return x; +} + +uint64_t HELPER(iwmmxt_sraq)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (int64_t) x >> n; + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); + return x; +} + +uint64_t HELPER(iwmmxt_rorw)(CPUState *env, uint64_t x, uint32_t n) +{ + x = ((((x & (0xffffll << 0)) >> n) | + ((x & (0xffffll << 0)) << (16 - n))) & (0xffffll << 0)) | + ((((x & (0xffffll << 16)) >> n) | + ((x & (0xffffll << 16)) << (16 - n))) & (0xffffll << 16)) | + ((((x & (0xffffll << 32)) >> n) | + ((x & (0xffffll << 32)) << (16 - n))) & (0xffffll << 32)) | + ((((x & (0xffffll << 48)) >> n) | + ((x & (0xffffll << 48)) << (16 - n))) & (0xffffll << 48)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); + return x; +} + +uint64_t HELPER(iwmmxt_rorl)(CPUState *env, uint64_t x, uint32_t n) +{ + x = ((x & (0xffffffffll << 0)) >> n) | + ((x >> n) & (0xffffffffll << 32)) | + ((x << (32 - n)) & (0xffffffffll << 0)) | + ((x & (0xffffffffll << 32)) << (32 - n)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); + return x; +} + +uint64_t HELPER(iwmmxt_rorq)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (x >> n) | (x << (64 - n)); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); + return x; +} + +uint64_t HELPER(iwmmxt_shufh)(CPUState *env, uint64_t x, uint32_t n) +{ + x = (((x >> ((n << 4) & 0x30)) & 0xffff) << 0) | + (((x >> ((n << 2) & 0x30)) & 0xffff) << 16) | + (((x >> ((n << 0) & 0x30)) & 0xffff) << 32) | + (((x >> ((n >> 2) & 0x30)) & 0xffff) << 48); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | + NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); + return x; +} + +/* TODO: Unsigned-Saturation */ +uint64_t HELPER(iwmmxt_packuw)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (((a >> 0) & 0xff) << 0) | (((a >> 16) & 0xff) << 8) | + (((a >> 32) & 0xff) << 16) | (((a >> 48) & 0xff) << 24) | + (((b >> 0) & 0xff) << 32) | (((b >> 16) & 0xff) << 40) | + (((b >> 32) & 0xff) << 48) | (((b >> 48) & 0xff) << 56); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | + NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | + NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | + NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); + return a; +} + +uint64_t HELPER(iwmmxt_packul)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (((a >> 0) & 0xffff) << 0) | (((a >> 32) & 0xffff) << 16) | + (((b >> 0) & 0xffff) << 32) | (((b >> 32) & 0xffff) << 48); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | + NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); + return a; +} + +uint64_t HELPER(iwmmxt_packuq)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (a & 0xffffffff) | ((b & 0xffffffff) << 32); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); + return a; +} + +/* TODO: Signed-Saturation */ +uint64_t HELPER(iwmmxt_packsw)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (((a >> 0) & 0xff) << 0) | (((a >> 16) & 0xff) << 8) | + (((a >> 32) & 0xff) << 16) | (((a >> 48) & 0xff) << 24) | + (((b >> 0) & 0xff) << 32) | (((b >> 16) & 0xff) << 40) | + (((b >> 32) & 0xff) << 48) | (((b >> 48) & 0xff) << 56); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | + NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | + NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | + NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); + return a; +} + +uint64_t HELPER(iwmmxt_packsl)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (((a >> 0) & 0xffff) << 0) | (((a >> 32) & 0xffff) << 16) | + (((b >> 0) & 0xffff) << 32) | (((b >> 32) & 0xffff) << 48); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | + NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); + return a; +} + +uint64_t HELPER(iwmmxt_packsq)(CPUState *env, uint64_t a, uint64_t b) +{ + a = (a & 0xffffffff) | ((b & 0xffffffff) << 32); + env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = + NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); + return a; +} + +uint64_t HELPER(iwmmxt_muladdsl)(uint64_t c, uint32_t a, uint32_t b) +{ + return c + ((int32_t) EXTEND32(a) * (int32_t) EXTEND32(b)); +} + +uint64_t HELPER(iwmmxt_muladdsw)(uint64_t c, uint32_t a, uint32_t b) +{ + c += EXTEND32(EXTEND16S((a >> 0) & 0xffff) * + EXTEND16S((b >> 0) & 0xffff)); + c += EXTEND32(EXTEND16S((a >> 16) & 0xffff) * + EXTEND16S((b >> 16) & 0xffff)); + return c; +} + +uint64_t HELPER(iwmmxt_muladdswl)(uint64_t c, uint32_t a, uint32_t b) +{ + return c + (EXTEND32(EXTEND16S(a & 0xffff) * + EXTEND16S(b & 0xffff))); +} |