Revision 7a51ad82
| b/exec-all.h | ||
|---|---|---|
| 91 | 91 |
extern FILE *logfile; |
| 92 | 92 |
extern int loglevel; |
| 93 | 93 |
|
| 94 |
void muls64(int64_t *phigh, int64_t *plow, int64_t a, int64_t b); |
|
| 95 |
void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b); |
|
| 96 |
|
|
| 97 | 94 |
int gen_intermediate_code(CPUState *env, struct TranslationBlock *tb); |
| 98 | 95 |
int gen_intermediate_code_pc(CPUState *env, struct TranslationBlock *tb); |
| 99 | 96 |
void dump_ops(const uint16_t *opc_buf, const uint32_t *opparam_buf); |
| b/host-utils.c | ||
|---|---|---|
| 28 | 28 |
//#define DEBUG_MULDIV |
| 29 | 29 |
|
| 30 | 30 |
/* Long integer helpers */ |
| 31 |
#if !defined(__x86_64__) |
|
| 31 | 32 |
static void add128 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) |
| 32 | 33 |
{
|
| 33 | 34 |
*plow += a; |
| ... | ... | |
| 69 | 70 |
*phigh += v; |
| 70 | 71 |
} |
| 71 | 72 |
|
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|
|
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/* Unsigned 64x64 -> 128 multiplication */ |
| 74 | 74 |
void mulu64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) |
| 75 | 75 |
{
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#if defined(__x86_64__) |
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__asm__ ("mul %0\n\t"
|
|
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: "=d" (*phigh), "=a" (*plow) |
|
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: "a" (a), "0" (b)); |
|
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#else |
|
| 81 | 76 |
mul64(plow, phigh, a, b); |
| 82 |
#endif |
|
| 83 | 77 |
#if defined(DEBUG_MULDIV) |
| 84 | 78 |
printf("mulu64: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n",
|
| 85 | 79 |
a, b, *phigh, *plow); |
| ... | ... | |
| 89 | 83 |
/* Signed 64x64 -> 128 multiplication */ |
| 90 | 84 |
void muls64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b) |
| 91 | 85 |
{
|
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#if defined(__x86_64__) |
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__asm__ ("imul %0\n\t"
|
|
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: "=d" (*phigh), "=a" (*plow) |
|
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: "a" (a), "0" (b)); |
|
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#else |
|
| 97 | 86 |
int sa, sb; |
| 98 | 87 |
|
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sa = (a < 0); |
| ... | ... | |
| 106 | 95 |
if (sa ^ sb) {
|
| 107 | 96 |
neg128(plow, phigh); |
| 108 | 97 |
} |
| 109 |
#endif |
|
| 110 | 98 |
#if defined(DEBUG_MULDIV) |
| 111 | 99 |
printf("muls64: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n",
|
| 112 | 100 |
a, b, *phigh, *plow); |
| 113 | 101 |
#endif |
| 114 | 102 |
} |
| 103 |
#endif /* !defined(__x86_64__) */ |
|
| b/host-utils.h | ||
|---|---|---|
| 23 | 23 |
* THE SOFTWARE. |
| 24 | 24 |
*/ |
| 25 | 25 |
|
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#if defined(__x86_64__) |
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#define __HAVE_FAST_MULU64__ |
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static always_inline void mulu64 (uint64_t *plow, uint64_t *phigh, |
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uint64_t a, uint64_t b) |
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{
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__asm__ ("mul %0\n\t"
|
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: "=d" (*phigh), "=a" (*plow) |
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: "a" (a), "0" (b)); |
|
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} |
|
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#define __HAVE_FAST_MULS64__ |
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static always_inline void muls64 (uint64_t *plow, uint64_t *phigh, |
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int64_t a, int64_t b) |
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{
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__asm__ ("imul %0\n\t"
|
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: "=d" (*phigh), "=a" (*plow) |
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: "a" (a), "0" (b)); |
|
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} |
|
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#else |
|
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void muls64(int64_t *phigh, int64_t *plow, int64_t a, int64_t b); |
|
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void mulu64(uint64_t *phigh, uint64_t *plow, uint64_t a, uint64_t b); |
|
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#endif |
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|
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| 26 | 48 |
/* Note that some of those functions may end up calling libgcc functions, |
| 27 | 49 |
depending on the host machine. It is up to the target emulation to |
| 28 | 50 |
cope with that. */ |
| ... | ... | |
| 68 | 90 |
{
|
| 69 | 91 |
int cnt = 0; |
| 70 | 92 |
|
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if (!(val & 0xFFFFFFFF00000000ULL)) {
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if (!(val >> 32)) {
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cnt += 32; |
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val <<= 32; |
|
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} |
|
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if (!(val & 0xFFFF000000000000ULL)) {
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cnt += 16; |
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val <<= 16; |
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} |
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if (!(val & 0xFF00000000000000ULL)) {
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cnt += 8; |
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val <<= 8; |
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} |
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if (!(val & 0xF000000000000000ULL)) {
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cnt += 4; |
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val <<= 4; |
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} |
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if (!(val & 0xC000000000000000ULL)) {
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cnt += 2; |
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val <<= 2; |
|
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} |
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if (!(val & 0x8000000000000000ULL)) {
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cnt++; |
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val <<= 1; |
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} |
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if (!(val & 0x8000000000000000ULL)) {
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cnt++; |
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} else {
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val >>= 32; |
|
| 97 | 97 |
} |
| 98 |
return cnt; |
|
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|
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return cnt + clz32(val); |
|
| 99 | 100 |
} |
| 100 | 101 |
|
| 101 | 102 |
static always_inline int clo64(uint64_t val) |
| b/target-alpha/op.c | ||
|---|---|---|
| 22 | 22 |
|
| 23 | 23 |
#include "config.h" |
| 24 | 24 |
#include "exec.h" |
| 25 |
#include "host-utils.h" |
|
| 25 | 26 |
|
| 26 | 27 |
#include "op_helper.h" |
| 27 | 28 |
|
| b/target-i386/helper.c | ||
|---|---|---|
| 18 | 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | 19 |
*/ |
| 20 | 20 |
#include "exec.h" |
| 21 |
#include "host-utils.h" |
|
| 21 | 22 |
|
| 22 | 23 |
//#define DEBUG_PCALL |
| 23 | 24 |
|
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