Revision e14fe0a9
| b/target-alpha/op.c | ||
|---|---|---|
| 295 | 295 |
|
| 296 | 296 |
void OPPROTO op_mulq (void) |
| 297 | 297 |
{
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| 298 |
T0 *= T1;
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|
| 298 |
T0 = (int64_t)T0 * (int64_t)T1;
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|
| 299 | 299 |
RETURN(); |
| 300 | 300 |
} |
| 301 | 301 |
|
| ... | ... | |
| 307 | 307 |
|
| 308 | 308 |
void OPPROTO op_umulh (void) |
| 309 | 309 |
{
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helper_umulh(); |
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uint64_t tl, th; |
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|
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mulu64(&tl, &th, T0, T1); |
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T0 = th; |
|
| 311 | 314 |
RETURN(); |
| 312 | 315 |
} |
| 313 | 316 |
|
| b/target-alpha/op_helper.c | ||
|---|---|---|
| 199 | 199 |
|
| 200 | 200 |
void helper_mulqv () |
| 201 | 201 |
{
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uint64_t res, tmp0, tmp1; |
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|
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res = (T0 >> 32) * (T1 >> 32); |
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tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) + |
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((T0 >> 32) * (T1 & 0xFFFFFFFF)); |
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tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF); |
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tmp0 += tmp1 >> 32; |
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res += tmp0 >> 32; |
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T0 *= T1; |
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if (unlikely(res != 0)) {
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uint64_t tl, th; |
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|
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muls64(&tl, &th, T0, T1); |
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/* If th != 0 && th != -1, then we had an overflow */ |
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if (unlikely((th + 1) > 1)) {
|
|
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helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
| 213 | 208 |
} |
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} |
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|
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void helper_umulh (void) |
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{
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uint64_t tmp0, tmp1; |
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|
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tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) + |
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((T0 >> 32) * (T1 & 0xFFFFFFFF)); |
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tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF); |
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tmp0 += tmp1 >> 32; |
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T0 = (T0 >> 32) * (T0 >> 32); |
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T0 += tmp0 >> 32; |
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T0 = tl; |
|
| 226 | 210 |
} |
| 227 | 211 |
|
| 228 | 212 |
void helper_ctpop (void) |
| b/target-alpha/op_helper.h | ||
|---|---|---|
| 34 | 34 |
void helper_sublv (void); |
| 35 | 35 |
void helper_mullv (void); |
| 36 | 36 |
void helper_mulqv (void); |
| 37 |
void helper_umulh (void); |
|
| 38 | 37 |
void helper_ctpop (void); |
| 39 | 38 |
void helper_ctlz (void); |
| 40 | 39 |
void helper_cttz (void); |
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