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Diffstat (limited to 'target-arm/iwmmxt_helper.c')
| -rw-r--r-- | target-arm/iwmmxt_helper.c | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/target-arm/iwmmxt_helper.c b/target-arm/iwmmxt_helper.c deleted file mode 100644 index 6e801c8..0000000 --- a/target-arm/iwmmxt_helper.c +++ /dev/null @@ -1,682 +0,0 @@ -/* - * 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))); -} |