Revision 4e9f8537 target-mips/op_mem.c
| b/target-mips/op_mem.c | ||
|---|---|---|
| 75 | 75 |
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| 76 | 76 |
/* "half" load and stores. We must do the memory access inline, |
| 77 | 77 |
or fault handling won't work. */ |
| 78 |
/* XXX: This is broken, CP0_BADVADDR has the wrong (aligned) value. */ |
|
| 78 |
|
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| 79 |
#ifdef TARGET_WORDS_BIGENDIAN |
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#define GET_LMASK(v) ((v) & 3) |
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| 81 |
#define GET_OFFSET(addr, offset) (addr + (offset)) |
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#else |
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#define GET_LMASK(v) (((v) & 3) ^ 3) |
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#define GET_OFFSET(addr, offset) (addr - (offset)) |
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#endif |
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|
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| 79 | 87 |
void glue(op_lwl, MEMSUFFIX) (void) |
| 80 | 88 |
{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); |
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CALL_FROM_TB1(glue(do_lwl, MEMSUFFIX), tmp); |
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target_ulong tmp; |
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tmp = glue(ldub, MEMSUFFIX)(T0); |
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T1 = (int32_t)((T1 & 0x00FFFFFF) | (tmp << 24)); |
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|
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if (GET_LMASK(T0) <= 2) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 1)); |
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T1 = (T1 & 0xFF00FFFF) | (tmp << 16); |
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} |
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if (GET_LMASK(T0) <= 1) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 2)); |
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T1 = (T1 & 0xFFFF00FF) | (tmp << 8); |
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} |
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|
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if (GET_LMASK(T0) == 0) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 3)); |
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T1 = (T1 & 0xFFFFFF00) | tmp; |
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} |
|
| 83 | 108 |
RETURN(); |
| 84 | 109 |
} |
| 85 | 110 |
|
| 86 | 111 |
void glue(op_lwr, MEMSUFFIX) (void) |
| 87 | 112 |
{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); |
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CALL_FROM_TB1(glue(do_lwr, MEMSUFFIX), tmp); |
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target_ulong tmp; |
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tmp = glue(ldub, MEMSUFFIX)(T0); |
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T1 = (T1 & 0xFFFFFF00) | tmp; |
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if (GET_LMASK(T0) >= 1) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -1)); |
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T1 = (T1 & 0xFFFF00FF) | (tmp << 8); |
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} |
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|
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if (GET_LMASK(T0) >= 2) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -2)); |
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T1 = (T1 & 0xFF00FFFF) | (tmp << 16); |
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} |
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if (GET_LMASK(T0) == 3) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -3)); |
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T1 = (T1 & 0x00FFFFFF) | (tmp << 24); |
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} |
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| 90 | 132 |
RETURN(); |
| 91 | 133 |
} |
| 92 | 134 |
|
| 93 | 135 |
void glue(op_swl, MEMSUFFIX) (void) |
| 94 | 136 |
{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); |
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tmp = CALL_FROM_TB1(glue(do_swl, MEMSUFFIX), tmp); |
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glue(stl, MEMSUFFIX)(T0 & ~3, tmp); |
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glue(stb, MEMSUFFIX)(T0, (uint8_t)(T1 >> 24)); |
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if (GET_LMASK(T0) <= 2) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 1), (uint8_t)(T1 >> 16)); |
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|
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if (GET_LMASK(T0) <= 1) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 2), (uint8_t)(T1 >> 8)); |
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if (GET_LMASK(T0) == 0) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 3), (uint8_t)T1); |
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RETURN(); |
| 99 | 149 |
} |
| 100 | 150 |
|
| 101 | 151 |
void glue(op_swr, MEMSUFFIX) (void) |
| 102 | 152 |
{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3); |
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tmp = CALL_FROM_TB1(glue(do_swr, MEMSUFFIX), tmp); |
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glue(stl, MEMSUFFIX)(T0 & ~3, tmp); |
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glue(stb, MEMSUFFIX)(T0, (uint8_t)T1); |
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if (GET_LMASK(T0) >= 1) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -1), (uint8_t)(T1 >> 8)); |
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if (GET_LMASK(T0) >= 2) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -2), (uint8_t)(T1 >> 16)); |
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if (GET_LMASK(T0) == 3) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -3), (uint8_t)(T1 >> 24)); |
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RETURN(); |
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} |
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|
| ... | ... | |
| 145 | 203 |
|
| 146 | 204 |
/* "half" load and stores. We must do the memory access inline, |
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or fault handling won't work. */ |
| 206 |
|
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#ifdef TARGET_WORDS_BIGENDIAN |
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#define GET_LMASK64(v) ((v) & 7) |
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#else |
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#define GET_LMASK64(v) (((v) & 7) ^ 7) |
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#endif |
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|
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| 148 | 213 |
void glue(op_ldl, MEMSUFFIX) (void) |
| 149 | 214 |
{
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target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7); |
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CALL_FROM_TB1(glue(do_ldl, MEMSUFFIX), tmp); |
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uint64_t tmp; |
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tmp = glue(ldub, MEMSUFFIX)(T0); |
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T1 = (T1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
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if (GET_LMASK64(T0) <= 6) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 1)); |
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T1 = (T1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
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} |
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if (GET_LMASK64(T0) <= 5) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 2)); |
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T1 = (T1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
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} |
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if (GET_LMASK64(T0) <= 4) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 3)); |
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T1 = (T1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
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} |
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if (GET_LMASK64(T0) <= 3) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 4)); |
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T1 = (T1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
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} |
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if (GET_LMASK64(T0) <= 2) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 5)); |
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T1 = (T1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
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} |
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|
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if (GET_LMASK64(T0) <= 1) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 6)); |
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T1 = (T1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
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} |
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if (GET_LMASK64(T0) == 0) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 7)); |
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T1 = (T1 & 0xFFFFFFFFFFFFFF00ULL) | tmp; |
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} |
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RETURN(); |
| 153 | 256 |
} |
| 154 | 257 |
|
| 155 | 258 |
void glue(op_ldr, MEMSUFFIX) (void) |
| 156 | 259 |
{
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target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7); |
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CALL_FROM_TB1(glue(do_ldr, MEMSUFFIX), tmp); |
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uint64_t tmp; |
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|
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tmp = glue(ldub, MEMSUFFIX)(T0); |
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T1 = (T1 & 0xFFFFFFFFFFFFFF00ULL) | tmp; |
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if (GET_LMASK64(T0) >= 1) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -1)); |
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T1 = (T1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
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} |
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if (GET_LMASK64(T0) >= 2) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -2)); |
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T1 = (T1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
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} |
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if (GET_LMASK64(T0) >= 3) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -3)); |
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T1 = (T1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
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} |
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if (GET_LMASK64(T0) >= 4) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -4)); |
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T1 = (T1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
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} |
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|
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if (GET_LMASK64(T0) >= 5) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -5)); |
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T1 = (T1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
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} |
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|
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if (GET_LMASK64(T0) >= 6) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -6)); |
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T1 = (T1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
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} |
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|
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if (GET_LMASK64(T0) == 7) {
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tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -7)); |
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T1 = (T1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
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} |
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|
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| 159 | 300 |
RETURN(); |
| 160 | 301 |
} |
| 161 | 302 |
|
| 162 | 303 |
void glue(op_sdl, MEMSUFFIX) (void) |
| 163 | 304 |
{
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target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7); |
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tmp = CALL_FROM_TB1(glue(do_sdl, MEMSUFFIX), tmp); |
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glue(stq, MEMSUFFIX)(T0 & ~7, tmp); |
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glue(stb, MEMSUFFIX)(T0, (uint8_t)(T1 >> 56)); |
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|
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if (GET_LMASK64(T0) <= 6) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 1), (uint8_t)(T1 >> 48)); |
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|
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if (GET_LMASK64(T0) <= 5) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 2), (uint8_t)(T1 >> 40)); |
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| 312 |
|
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if (GET_LMASK64(T0) <= 4) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 3), (uint8_t)(T1 >> 32)); |
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| 315 |
|
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if (GET_LMASK64(T0) <= 3) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 4), (uint8_t)(T1 >> 24)); |
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| 318 |
|
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if (GET_LMASK64(T0) <= 2) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 5), (uint8_t)(T1 >> 16)); |
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| 321 |
|
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if (GET_LMASK64(T0) <= 1) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 6), (uint8_t)(T1 >> 8)); |
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| 324 |
|
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if (GET_LMASK64(T0) <= 0) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 7), (uint8_t)T1); |
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| 327 |
|
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| 167 | 328 |
RETURN(); |
| 168 | 329 |
} |
| 169 | 330 |
|
| 170 | 331 |
void glue(op_sdr, MEMSUFFIX) (void) |
| 171 | 332 |
{
|
| 172 |
target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7); |
|
| 173 |
tmp = CALL_FROM_TB1(glue(do_sdr, MEMSUFFIX), tmp); |
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| 174 |
glue(stq, MEMSUFFIX)(T0 & ~7, tmp); |
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glue(stb, MEMSUFFIX)(T0, (uint8_t)T1); |
|
| 334 |
|
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| 335 |
if (GET_LMASK64(T0) >= 1) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -1), (uint8_t)(T1 >> 8)); |
|
| 337 |
|
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| 338 |
if (GET_LMASK64(T0) >= 2) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -2), (uint8_t)(T1 >> 16)); |
|
| 340 |
|
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| 341 |
if (GET_LMASK64(T0) >= 3) |
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| 342 |
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -3), (uint8_t)(T1 >> 24)); |
|
| 343 |
|
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| 344 |
if (GET_LMASK64(T0) >= 4) |
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| 345 |
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -4), (uint8_t)(T1 >> 32)); |
|
| 346 |
|
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| 347 |
if (GET_LMASK64(T0) >= 5) |
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| 348 |
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -5), (uint8_t)(T1 >> 40)); |
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| 349 |
|
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| 350 |
if (GET_LMASK64(T0) >= 6) |
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| 351 |
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -6), (uint8_t)(T1 >> 48)); |
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| 352 |
|
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| 353 |
if (GET_LMASK64(T0) == 7) |
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glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -7), (uint8_t)(T1 >> 56)); |
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| 355 |
|
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| 175 | 356 |
RETURN(); |
| 176 | 357 |
} |
| 177 | 358 |
|
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