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| author | Luis Pires | 2021-10-25 21:11:38 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-10-28 02:10:00 +0200 |
| commit | 40f3e79a862554553811d0681c05e00a4705e91c (patch) | |
| tree | 4fc15b4a02f1d6354a28486c6f91d9fc1dd0f1aa /include/hw | |
| parent | host-utils: move udiv_qrnnd() to host-utils (diff) | |
| download | qemu-40f3e79a862554553811d0681c05e00a4705e91c.tar.gz qemu-40f3e79a862554553811d0681c05e00a4705e91c.tar.xz qemu-40f3e79a862554553811d0681c05e00a4705e91c.zip | |
host-utils: add 128-bit quotient support to divu128/divs128
These will be used to implement new decimal floating point
instructions from Power ISA 3.1.
The remainder is now returned directly by divu128/divs128,
freeing up phigh to receive the high 64 bits of the quotient.
Signed-off-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211025191154.350831-4-luis.pires@eldorado.org.br>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/clock.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/include/hw/clock.h b/include/hw/clock.h index 7443e6c4ab..5c927cee7f 100644 --- a/include/hw/clock.h +++ b/include/hw/clock.h @@ -323,11 +323,7 @@ static inline uint64_t clock_ns_to_ticks(const Clock *clk, uint64_t ns) if (clk->period == 0) { return 0; } - /* - * BUG: when CONFIG_INT128 is not defined, the current implementation of - * divu128 does not return a valid truncated quotient, so the result will - * be wrong. - */ + divu128(&lo, &hi, clk->period); return lo; } |