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Diffstat (limited to 'target-mips/lmi_helper.c')
-rw-r--r--target-mips/lmi_helper.c745
1 files changed, 0 insertions, 745 deletions
diff --git a/target-mips/lmi_helper.c b/target-mips/lmi_helper.c
deleted file mode 100644
index fb1245b39d..0000000000
--- a/target-mips/lmi_helper.c
+++ /dev/null
@@ -1,745 +0,0 @@
-/*
- * Loongson Multimedia Instruction emulation helpers for QEMU.
- *
- * Copyright (c) 2011 Richard Henderson <rth@twiddle.net>
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-
-/* If the byte ordering doesn't matter, i.e. all columns are treated
- identically, then this union can be used directly. If byte ordering
- does matter, we generally ignore dumping to memory. */
-typedef union {
- uint8_t ub[8];
- int8_t sb[8];
- uint16_t uh[4];
- int16_t sh[4];
- uint32_t uw[2];
- int32_t sw[2];
- uint64_t d;
-} LMIValue;
-
-/* Some byte ordering issues can be mitigated by XORing in the following. */
-#ifdef HOST_WORDS_BIGENDIAN
-# define BYTE_ORDER_XOR(N) N
-#else
-# define BYTE_ORDER_XOR(N) 0
-#endif
-
-#define SATSB(x) (x < -0x80 ? -0x80 : x > 0x7f ? 0x7f : x)
-#define SATUB(x) (x > 0xff ? 0xff : x)
-
-#define SATSH(x) (x < -0x8000 ? -0x8000 : x > 0x7fff ? 0x7fff : x)
-#define SATUH(x) (x > 0xffff ? 0xffff : x)
-
-#define SATSW(x) \
- (x < -0x80000000ll ? -0x80000000ll : x > 0x7fffffff ? 0x7fffffff : x)
-#define SATUW(x) (x > 0xffffffffull ? 0xffffffffull : x)
-
-uint64_t helper_paddsb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- int r = vs.sb[i] + vt.sb[i];
- vs.sb[i] = SATSB(r);
- }
- return vs.d;
-}
-
-uint64_t helper_paddusb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- int r = vs.ub[i] + vt.ub[i];
- vs.ub[i] = SATUB(r);
- }
- return vs.d;
-}
-
-uint64_t helper_paddsh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- int r = vs.sh[i] + vt.sh[i];
- vs.sh[i] = SATSH(r);
- }
- return vs.d;
-}
-
-uint64_t helper_paddush(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- int r = vs.uh[i] + vt.uh[i];
- vs.uh[i] = SATUH(r);
- }
- return vs.d;
-}
-
-uint64_t helper_paddb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- vs.ub[i] += vt.ub[i];
- }
- return vs.d;
-}
-
-uint64_t helper_paddh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- vs.uh[i] += vt.uh[i];
- }
- return vs.d;
-}
-
-uint64_t helper_paddw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 2; ++i) {
- vs.uw[i] += vt.uw[i];
- }
- return vs.d;
-}
-
-uint64_t helper_psubsb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- int r = vs.sb[i] - vt.sb[i];
- vs.sb[i] = SATSB(r);
- }
- return vs.d;
-}
-
-uint64_t helper_psubusb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- int r = vs.ub[i] - vt.ub[i];
- vs.ub[i] = SATUB(r);
- }
- return vs.d;
-}
-
-uint64_t helper_psubsh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- int r = vs.sh[i] - vt.sh[i];
- vs.sh[i] = SATSH(r);
- }
- return vs.d;
-}
-
-uint64_t helper_psubush(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- int r = vs.uh[i] - vt.uh[i];
- vs.uh[i] = SATUH(r);
- }
- return vs.d;
-}
-
-uint64_t helper_psubb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- vs.ub[i] -= vt.ub[i];
- }
- return vs.d;
-}
-
-uint64_t helper_psubh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- vs.uh[i] -= vt.uh[i];
- }
- return vs.d;
-}
-
-uint64_t helper_psubw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned int i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 2; ++i) {
- vs.uw[i] -= vt.uw[i];
- }
- return vs.d;
-}
-
-uint64_t helper_pshufh(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(3);
- LMIValue vd, vs;
- unsigned i;
-
- vs.d = fs;
- vd.d = 0;
- for (i = 0; i < 4; i++, ft >>= 2) {
- vd.uh[i ^ host] = vs.uh[(ft & 3) ^ host];
- }
- return vd.d;
-}
-
-uint64_t helper_packsswh(uint64_t fs, uint64_t ft)
-{
- uint64_t fd = 0;
- int64_t tmp;
-
- tmp = (int32_t)(fs >> 0);
- tmp = SATSH(tmp);
- fd |= (tmp & 0xffff) << 0;
-
- tmp = (int32_t)(fs >> 32);
- tmp = SATSH(tmp);
- fd |= (tmp & 0xffff) << 16;
-
- tmp = (int32_t)(ft >> 0);
- tmp = SATSH(tmp);
- fd |= (tmp & 0xffff) << 32;
-
- tmp = (int32_t)(ft >> 32);
- tmp = SATSH(tmp);
- fd |= (tmp & 0xffff) << 48;
-
- return fd;
-}
-
-uint64_t helper_packsshb(uint64_t fs, uint64_t ft)
-{
- uint64_t fd = 0;
- unsigned int i;
-
- for (i = 0; i < 4; ++i) {
- int16_t tmp = fs >> (i * 16);
- tmp = SATSB(tmp);
- fd |= (uint64_t)(tmp & 0xff) << (i * 8);
- }
- for (i = 0; i < 4; ++i) {
- int16_t tmp = ft >> (i * 16);
- tmp = SATSB(tmp);
- fd |= (uint64_t)(tmp & 0xff) << (i * 8 + 32);
- }
-
- return fd;
-}
-
-uint64_t helper_packushb(uint64_t fs, uint64_t ft)
-{
- uint64_t fd = 0;
- unsigned int i;
-
- for (i = 0; i < 4; ++i) {
- int16_t tmp = fs >> (i * 16);
- tmp = SATUB(tmp);
- fd |= (uint64_t)(tmp & 0xff) << (i * 8);
- }
- for (i = 0; i < 4; ++i) {
- int16_t tmp = ft >> (i * 16);
- tmp = SATUB(tmp);
- fd |= (uint64_t)(tmp & 0xff) << (i * 8 + 32);
- }
-
- return fd;
-}
-
-uint64_t helper_punpcklwd(uint64_t fs, uint64_t ft)
-{
- return (fs & 0xffffffff) | (ft << 32);
-}
-
-uint64_t helper_punpckhwd(uint64_t fs, uint64_t ft)
-{
- return (fs >> 32) | (ft & ~0xffffffffull);
-}
-
-uint64_t helper_punpcklhw(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(3);
- LMIValue vd, vs, vt;
-
- vs.d = fs;
- vt.d = ft;
- vd.uh[0 ^ host] = vs.uh[0 ^ host];
- vd.uh[1 ^ host] = vt.uh[0 ^ host];
- vd.uh[2 ^ host] = vs.uh[1 ^ host];
- vd.uh[3 ^ host] = vt.uh[1 ^ host];
-
- return vd.d;
-}
-
-uint64_t helper_punpckhhw(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(3);
- LMIValue vd, vs, vt;
-
- vs.d = fs;
- vt.d = ft;
- vd.uh[0 ^ host] = vs.uh[2 ^ host];
- vd.uh[1 ^ host] = vt.uh[2 ^ host];
- vd.uh[2 ^ host] = vs.uh[3 ^ host];
- vd.uh[3 ^ host] = vt.uh[3 ^ host];
-
- return vd.d;
-}
-
-uint64_t helper_punpcklbh(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(7);
- LMIValue vd, vs, vt;
-
- vs.d = fs;
- vt.d = ft;
- vd.ub[0 ^ host] = vs.ub[0 ^ host];
- vd.ub[1 ^ host] = vt.ub[0 ^ host];
- vd.ub[2 ^ host] = vs.ub[1 ^ host];
- vd.ub[3 ^ host] = vt.ub[1 ^ host];
- vd.ub[4 ^ host] = vs.ub[2 ^ host];
- vd.ub[5 ^ host] = vt.ub[2 ^ host];
- vd.ub[6 ^ host] = vs.ub[3 ^ host];
- vd.ub[7 ^ host] = vt.ub[3 ^ host];
-
- return vd.d;
-}
-
-uint64_t helper_punpckhbh(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(7);
- LMIValue vd, vs, vt;
-
- vs.d = fs;
- vt.d = ft;
- vd.ub[0 ^ host] = vs.ub[4 ^ host];
- vd.ub[1 ^ host] = vt.ub[4 ^ host];
- vd.ub[2 ^ host] = vs.ub[5 ^ host];
- vd.ub[3 ^ host] = vt.ub[5 ^ host];
- vd.ub[4 ^ host] = vs.ub[6 ^ host];
- vd.ub[5 ^ host] = vt.ub[6 ^ host];
- vd.ub[6 ^ host] = vs.ub[7 ^ host];
- vd.ub[7 ^ host] = vt.ub[7 ^ host];
-
- return vd.d;
-}
-
-uint64_t helper_pavgh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.uh[i] = (vs.uh[i] + vt.uh[i] + 1) >> 1;
- }
- return vs.d;
-}
-
-uint64_t helper_pavgb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; i++) {
- vs.ub[i] = (vs.ub[i] + vt.ub[i] + 1) >> 1;
- }
- return vs.d;
-}
-
-uint64_t helper_pmaxsh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.sh[i] = (vs.sh[i] >= vt.sh[i] ? vs.sh[i] : vt.sh[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pminsh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.sh[i] = (vs.sh[i] <= vt.sh[i] ? vs.sh[i] : vt.sh[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pmaxub(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.ub[i] = (vs.ub[i] >= vt.ub[i] ? vs.ub[i] : vt.ub[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pminub(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.ub[i] = (vs.ub[i] <= vt.ub[i] ? vs.ub[i] : vt.ub[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpeqw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 2; i++) {
- vs.uw[i] = -(vs.uw[i] == vt.uw[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpgtw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 2; i++) {
- vs.uw[i] = -(vs.uw[i] > vt.uw[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpeqh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.uh[i] = -(vs.uh[i] == vt.uh[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpgth(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; i++) {
- vs.uh[i] = -(vs.uh[i] > vt.uh[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpeqb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; i++) {
- vs.ub[i] = -(vs.ub[i] == vt.ub[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_pcmpgtb(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; i++) {
- vs.ub[i] = -(vs.ub[i] > vt.ub[i]);
- }
- return vs.d;
-}
-
-uint64_t helper_psllw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 31) {
- return 0;
- }
- vs.d = fs;
- for (i = 0; i < 2; ++i) {
- vs.uw[i] <<= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_psrlw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 31) {
- return 0;
- }
- vs.d = fs;
- for (i = 0; i < 2; ++i) {
- vs.uw[i] >>= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_psraw(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 31) {
- ft = 31;
- }
- vs.d = fs;
- for (i = 0; i < 2; ++i) {
- vs.sw[i] >>= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_psllh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 15) {
- return 0;
- }
- vs.d = fs;
- for (i = 0; i < 4; ++i) {
- vs.uh[i] <<= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_psrlh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 15) {
- return 0;
- }
- vs.d = fs;
- for (i = 0; i < 4; ++i) {
- vs.uh[i] >>= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_psrah(uint64_t fs, uint64_t ft)
-{
- LMIValue vs;
- unsigned i;
-
- ft &= 0x7f;
- if (ft > 15) {
- ft = 15;
- }
- vs.d = fs;
- for (i = 0; i < 4; ++i) {
- vs.sh[i] >>= ft;
- }
- return vs.d;
-}
-
-uint64_t helper_pmullh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- vs.sh[i] *= vt.sh[i];
- }
- return vs.d;
-}
-
-uint64_t helper_pmulhh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- int32_t r = vs.sh[i] * vt.sh[i];
- vs.sh[i] = r >> 16;
- }
- return vs.d;
-}
-
-uint64_t helper_pmulhuh(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 4; ++i) {
- uint32_t r = vs.uh[i] * vt.uh[i];
- vs.uh[i] = r >> 16;
- }
- return vs.d;
-}
-
-uint64_t helper_pmaddhw(uint64_t fs, uint64_t ft)
-{
- unsigned host = BYTE_ORDER_XOR(3);
- LMIValue vs, vt;
- uint32_t p0, p1;
-
- vs.d = fs;
- vt.d = ft;
- p0 = vs.sh[0 ^ host] * vt.sh[0 ^ host];
- p0 += vs.sh[1 ^ host] * vt.sh[1 ^ host];
- p1 = vs.sh[2 ^ host] * vt.sh[2 ^ host];
- p1 += vs.sh[3 ^ host] * vt.sh[3 ^ host];
-
- return ((uint64_t)p1 << 32) | p0;
-}
-
-uint64_t helper_pasubub(uint64_t fs, uint64_t ft)
-{
- LMIValue vs, vt;
- unsigned i;
-
- vs.d = fs;
- vt.d = ft;
- for (i = 0; i < 8; ++i) {
- int r = vs.ub[i] - vt.ub[i];
- vs.ub[i] = (r < 0 ? -r : r);
- }
- return vs.d;
-}
-
-uint64_t helper_biadd(uint64_t fs)
-{
- unsigned i, fd;
-
- for (i = fd = 0; i < 8; ++i) {
- fd += (fs >> (i * 8)) & 0xff;
- }
- return fd & 0xffff;
-}
-
-uint64_t helper_pmovmskb(uint64_t fs)
-{
- unsigned fd = 0;
-
- fd |= ((fs >> 7) & 1) << 0;
- fd |= ((fs >> 15) & 1) << 1;
- fd |= ((fs >> 23) & 1) << 2;
- fd |= ((fs >> 31) & 1) << 3;
- fd |= ((fs >> 39) & 1) << 4;
- fd |= ((fs >> 47) & 1) << 5;
- fd |= ((fs >> 55) & 1) << 6;
- fd |= ((fs >> 63) & 1) << 7;
-
- return fd & 0xff;
-}