Revision 33ebc293
| b/target-arm/neon_helper.c | ||
|---|---|---|
| 818 | 818 |
#define NEON_FN(dest, src1, src2) do { \
|
| 819 | 819 |
int8_t tmp; \ |
| 820 | 820 |
tmp = (int8_t)src2; \ |
| 821 |
if (tmp < 0) { \
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|
| 821 |
if (tmp >= (ssize_t)sizeof(src1) * 8) { \
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|
| 822 |
if (src1) { \
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|
| 823 |
SET_QC(); \ |
|
| 824 |
dest = ~0; \ |
|
| 825 |
} else { \
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|
| 826 |
dest = 0; \ |
|
| 827 |
} \ |
|
| 828 |
} else if (tmp < -(ssize_t)sizeof(src1) * 8) { \
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|
| 829 |
dest = 0; \ |
|
| 830 |
} else if (tmp == -(ssize_t)sizeof(src1) * 8) { \
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|
| 831 |
dest = src1 >> (sizeof(src1) * 8 - 1); \ |
|
| 832 |
} else if (tmp < 0) { \
|
|
| 822 | 833 |
dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ |
| 823 | 834 |
} else { \
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| 824 | 835 |
dest = src1 << tmp; \ |
| ... | ... | |
| 837 | 848 |
{
|
| 838 | 849 |
uint32_t dest; |
| 839 | 850 |
int8_t shift = (int8_t)shiftop; |
| 840 |
if (shift < 0) {
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|
| 851 |
if (shift >= 32) {
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|
| 852 |
if (val) {
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|
| 853 |
SET_QC(); |
|
| 854 |
dest = ~0; |
|
| 855 |
} else {
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|
| 856 |
dest = 0; |
|
| 857 |
} |
|
| 858 |
} else if (shift < -32) {
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|
| 859 |
dest = 0; |
|
| 860 |
} else if (shift == -32) {
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|
| 861 |
dest = val >> 31; |
|
| 862 |
} else if (shift < 0) {
|
|
| 841 | 863 |
uint64_t big_dest = ((uint64_t)val + (1 << (-1 - shift))); |
| 842 | 864 |
dest = big_dest >> -shift; |
| 843 | 865 |
} else {
|
| ... | ... | |
| 855 | 877 |
uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) |
| 856 | 878 |
{
|
| 857 | 879 |
int8_t shift = (int8_t)shiftop; |
| 858 |
if (shift < 0) {
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|
| 880 |
if (shift >= 64) {
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|
| 881 |
if (val) {
|
|
| 882 |
SET_QC(); |
|
| 883 |
val = ~0; |
|
| 884 |
} |
|
| 885 |
} else if (shift < -64) {
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|
| 886 |
val = 0; |
|
| 887 |
} else if (shift == -64) {
|
|
| 888 |
val >>= 63; |
|
| 889 |
} else if (shift < 0) {
|
|
| 859 | 890 |
val >>= (-shift - 1); |
| 860 | 891 |
if (val == UINT64_MAX) {
|
| 861 | 892 |
/* In this case, it means that the rounding constant is 1, |
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