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target/hppa: Implement HADD

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-09-20 13:50:01 +02:00
parent d265360f07
commit 0843563f3e
4 changed files with 79 additions and 1 deletions
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32
target/hppa/op_helper.c
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@ -377,3 +377,35 @@ target_ulong HELPER(read_interval_timer)(void)
return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 2;
#endif
}
uint64_t HELPER(hadd_ss)(uint64_t r1, uint64_t r2)
{
uint64_t ret = 0;
for (int i = 0; i < 64; i += 16) {
int f1 = sextract64(r1, i, 16);
int f2 = sextract64(r2, i, 16);
int fr = f1 + f2;
fr = MIN(fr, INT16_MAX);
fr = MAX(fr, INT16_MIN);
ret = deposit64(ret, i, 16, fr);
}
return ret;
}
uint64_t HELPER(hadd_us)(uint64_t r1, uint64_t r2)
{
uint64_t ret = 0;
for (int i = 0; i < 64; i += 16) {
int f1 = extract64(r1, i, 16);
int f2 = sextract64(r2, i, 16);
int fr = f1 + f2;
fr = MIN(fr, UINT16_MAX);
fr = MAX(fr, 0);
ret = deposit64(ret, i, 16, fr);
}
return ret;
}