Revision e5ca24cb
| b/target-arm/helpers.h | ||
|---|---|---|
| 277 | 277 |
DEF_HELPER_2(neon_mul_u8, i32, i32, i32) |
| 278 | 278 |
DEF_HELPER_2(neon_mul_u16, i32, i32, i32) |
| 279 | 279 |
DEF_HELPER_2(neon_mul_p8, i32, i32, i32) |
| 280 |
DEF_HELPER_2(neon_mull_p8, i64, i32, i32) |
|
| 280 | 281 |
|
| 281 | 282 |
DEF_HELPER_2(neon_tst_u8, i32, i32, i32) |
| 282 | 283 |
DEF_HELPER_2(neon_tst_u16, i32, i32, i32) |
| b/target-arm/neon_helper.c | ||
|---|---|---|
| 895 | 895 |
return result; |
| 896 | 896 |
} |
| 897 | 897 |
|
| 898 |
uint64_t HELPER(neon_mull_p8)(uint32_t op1, uint32_t op2) |
|
| 899 |
{
|
|
| 900 |
uint64_t result = 0; |
|
| 901 |
uint64_t mask; |
|
| 902 |
uint64_t op2ex = op2; |
|
| 903 |
op2ex = (op2ex & 0xff) | |
|
| 904 |
((op2ex & 0xff00) << 8) | |
|
| 905 |
((op2ex & 0xff0000) << 16) | |
|
| 906 |
((op2ex & 0xff000000) << 24); |
|
| 907 |
while (op1) {
|
|
| 908 |
mask = 0; |
|
| 909 |
if (op1 & 1) {
|
|
| 910 |
mask |= 0xffff; |
|
| 911 |
} |
|
| 912 |
if (op1 & (1 << 8)) {
|
|
| 913 |
mask |= (0xffffU << 16); |
|
| 914 |
} |
|
| 915 |
if (op1 & (1 << 16)) {
|
|
| 916 |
mask |= (0xffffULL << 32); |
|
| 917 |
} |
|
| 918 |
if (op1 & (1 << 24)) {
|
|
| 919 |
mask |= (0xffffULL << 48); |
|
| 920 |
} |
|
| 921 |
result ^= op2ex & mask; |
|
| 922 |
op1 = (op1 >> 1) & 0x7f7f7f7f; |
|
| 923 |
op2ex <<= 1; |
|
| 924 |
} |
|
| 925 |
return result; |
|
| 926 |
} |
|
| 927 |
|
|
| 898 | 928 |
#define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 |
| 899 | 929 |
NEON_VOP(tst_u8, neon_u8, 4) |
| 900 | 930 |
NEON_VOP(tst_u16, neon_u16, 2) |
| b/target-arm/translate.c | ||
|---|---|---|
| 5124 | 5124 |
gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
| 5125 | 5125 |
break; |
| 5126 | 5126 |
case 14: /* Polynomial VMULL */ |
| 5127 |
cpu_abort(env, "Polynomial VMULL not implemented"); |
|
| 5128 |
|
|
| 5127 |
gen_helper_neon_mull_p8(cpu_V0, tmp, tmp2); |
|
| 5128 |
dead_tmp(tmp2); |
|
| 5129 |
dead_tmp(tmp); |
|
| 5130 |
break; |
|
| 5129 | 5131 |
default: /* 15 is RESERVED. */ |
| 5130 | 5132 |
return 1; |
| 5131 | 5133 |
} |
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