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/linux-6.12.1/arch/arm/lib/
Dlib1funcs.S40 .macro ARM_DIV_BODY dividend, divisor, result, curbit
45 clz \result, \dividend
66 @ larger than the dividend.
68 cmplo \divisor, \dividend
76 cmplo \divisor, \dividend
86 1: cmp \dividend, \divisor
87 subhs \dividend, \dividend, \divisor
89 cmp \dividend, \divisor, lsr #1
90 subhs \dividend, \dividend, \divisor, lsr #1
92 cmp \dividend, \divisor, lsr #2
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/linux-6.12.1/include/linux/
Dmath64.h26 static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) in div_u64_rem() argument
28 *remainder = dividend % divisor; in div_u64_rem()
29 return dividend / divisor; in div_u64_rem()
40 static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) in div_s64_rem() argument
42 *remainder = dividend % divisor; in div_s64_rem()
43 return dividend / divisor; in div_s64_rem()
54 static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder) in div64_u64_rem() argument
56 *remainder = dividend % divisor; in div64_u64_rem()
57 return dividend / divisor; in div64_u64_rem()
67 static inline u64 div64_u64(u64 dividend, u64 divisor) in div64_u64() argument
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Dmpi.h62 int mpi_mod(MPI rem, MPI dividend, MPI divisor);
93 int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor);
/linux-6.12.1/lib/math/
Dtest_div64.c163 #define test_div64_one(dividend, divisor, i, j) ({ \ argument
168 quotient = dividend; \
172 dividend, divisor, quotient, remainder); \
188 u64 dividend; in test_div64() local
192 dividend = test_div64_dividends[i]; in test_div64()
193 if (!test_div64_one(dividend, TEST_DIV64_DIVISOR_0, i, 0)) in test_div64()
195 if (!test_div64_one(dividend, TEST_DIV64_DIVISOR_1, i, 1)) in test_div64()
197 if (!test_div64_one(dividend, TEST_DIV64_DIVISOR_2, i, 2)) in test_div64()
199 if (!test_div64_one(dividend, TEST_DIV64_DIVISOR_3, i, 3)) in test_div64()
201 if (!test_div64_one(dividend, TEST_DIV64_DIVISOR_4, i, 4)) in test_div64()
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Ddiv64.c68 s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) in div_s64_rem() argument
72 if (dividend < 0) { in div_s64_rem()
73 quotient = div_u64_rem(-dividend, abs(divisor), (u32 *)remainder); in div_s64_rem()
78 quotient = div_u64_rem(dividend, abs(divisor), (u32 *)remainder); in div_s64_rem()
99 u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder) in div64_u64_rem() argument
106 quot = div_u64_rem(dividend, divisor, &rem32); in div64_u64_rem()
110 quot = div_u64(dividend >> n, divisor >> n); in div64_u64_rem()
115 *remainder = dividend - quot * divisor; in div64_u64_rem()
139 u64 div64_u64(u64 dividend, u64 divisor) in div64_u64() argument
145 quot = div_u64(dividend, divisor); in div64_u64()
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/linux-6.12.1/drivers/gpu/drm/amd/display/dc/spl/
Dspl_os_types.h23 static inline uint64_t spl_div_u64_rem(uint64_t dividend, uint32_t divisor, uint32_t *remainder) in spl_div_u64_rem() argument
25 return div_u64_rem(dividend, divisor, remainder); in spl_div_u64_rem()
28 static inline uint64_t spl_div_u64(uint64_t dividend, uint32_t divisor) in spl_div_u64() argument
30 return div_u64(dividend, divisor); in spl_div_u64()
33 static inline uint64_t spl_div64_u64(uint64_t dividend, uint64_t divisor) in spl_div64_u64() argument
35 return div64_u64(dividend, divisor); in spl_div64_u64()
38 static inline uint64_t spl_div64_u64_rem(uint64_t dividend, uint64_t divisor, uint64_t *remainder) in spl_div64_u64_rem() argument
40 return div64_u64_rem(dividend, divisor, remainder); in spl_div64_u64_rem()
43 static inline int64_t spl_div64_s64(int64_t dividend, int64_t divisor) in spl_div64_s64() argument
45 return div64_s64(dividend, divisor); in spl_div64_s64()
/linux-6.12.1/include/vdso/
Dmath64.h6 __iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder) in __iter_div_u64_rem() argument
10 while (dividend >= divisor) { in __iter_div_u64_rem()
13 asm("" : "+rm"(dividend)); in __iter_div_u64_rem()
15 dividend -= divisor; in __iter_div_u64_rem()
19 *remainder = dividend; in __iter_div_u64_rem()
/linux-6.12.1/drivers/acpi/acpica/
Dutmath.c256 acpi_ut_short_divide(u64 dividend, in acpi_ut_short_divide() argument
272 dividend_ovl.full = dividend; in acpi_ut_short_divide()
315 union uint64_overlay dividend; in acpi_ut_divide() local
335 dividend.full = in_dividend; in acpi_ut_divide()
347 ACPI_DIV_64_BY_32(0, dividend.part.hi, divisor.part.lo, in acpi_ut_divide()
350 ACPI_DIV_64_BY_32(partial1, dividend.part.lo, divisor.part.lo, in acpi_ut_divide()
360 normalized_dividend = dividend; in acpi_ut_divide()
392 if (partial3.part.lo >= dividend.part.hi) { in acpi_ut_divide()
393 if (partial3.part.lo == dividend.part.hi) { in acpi_ut_divide()
394 if (partial2.part.lo > dividend.part.lo) { in acpi_ut_divide()
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/linux-6.12.1/drivers/net/wireless/realtek/rtw89/
Dutil.h43 static inline s32 s32_div_u32_round_down(s32 dividend, u32 divisor, s32 *remainder) in s32_div_u32_round_down() argument
49 quotient = dividend / i_divisor; in s32_div_u32_round_down()
50 i_remainder = dividend % i_divisor; in s32_div_u32_round_down()
62 static inline s32 s32_div_u32_round_closest(s32 dividend, u32 divisor) in s32_div_u32_round_closest() argument
64 return s32_div_u32_round_down(dividend + divisor / 2, divisor, NULL); in s32_div_u32_round_closest()
/linux-6.12.1/drivers/thermal/
Dgov_fair_share.c81 u64 dividend; in fair_share_throttle() local
87 dividend = trip_level; in fair_share_throttle()
88 dividend *= cdev->max_state; in fair_share_throttle()
91 dividend *= instance->weight; in fair_share_throttle()
96 instance->target = div_u64(dividend, divisor); in fair_share_throttle()
/linux-6.12.1/arch/powerpc/lib/
Ddiv64.S16 lwz r5,0(r3) # get the dividend into r5/r6
22 divwu r7,r5,r4 # if dividend.hi >= divisor,
23 mullw r0,r7,r4 # quotient.hi = dividend.hi / divisor
24 subf. r5,r0,r5 # dividend.hi %= divisor
26 1: mr r11,r5 # here dividend.hi != 0
29 cntlzw r0,r5 # we are shifting the dividend right
/linux-6.12.1/arch/m68k/ifpsp060/src/
Dilsp.S75 # 0x8(sp) = hi(dividend) #
76 # 0xc(sp) = lo(dividend) #
138 mov.l 0xc(%a6), %d5 # get dividend hi
139 mov.l 0x10(%a6), %d6 # get dividend lo
155 tst.l %d5 # chk sign of hi(dividend)
156 slt NDIVIDEND(%a6) # save sign of dividend
160 negx.l %d6 # complement signed dividend
164 # - is (dividend == 0) ?
165 # - is (hi(dividend) == 0 && (divisor <= lo(dividend))) ? (32-bit div)
167 tst.l %d5 # is (hi(dividend) == 0)
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/linux-6.12.1/arch/powerpc/boot/
Ddiv64.S16 lwz r5,0(r3) # get the dividend into r5/r6
22 divwu r7,r5,r4 # if dividend.hi >= divisor,
23 mullw r0,r7,r4 # quotient.hi = dividend.hi / divisor
24 subf. r5,r0,r5 # dividend.hi %= divisor
26 1: mr r11,r5 # here dividend.hi != 0
29 cntlzw r0,r5 # we are shifting the dividend right
/linux-6.12.1/drivers/pwm/
Dpwm-gpio.c43 u64 dividend; in pwm_gpio_round() local
49 dividend = dest->period; in pwm_gpio_round()
50 remainder = do_div(dividend, hrtimer_resolution); in pwm_gpio_round()
53 dividend = dest->duty_cycle; in pwm_gpio_round()
54 remainder = do_div(dividend, hrtimer_resolution); in pwm_gpio_round()
/linux-6.12.1/drivers/net/ethernet/amd/xgbe/
Dxgbe-ptp.c220 u64 dividend; in xgbe_ptp_register() local
244 dividend = 50000000; in xgbe_ptp_register()
245 dividend <<= 32; in xgbe_ptp_register()
246 pdata->tstamp_addend = div_u64(dividend, pdata->ptpclk_rate); in xgbe_ptp_register()
/linux-6.12.1/drivers/clk/versatile/
Dicst.c29 u64 dividend = p->ref * 2 * (u64)(vco.v + 8); in icst_hz() local
32 do_div(dividend, divisor); in icst_hz()
33 return (unsigned long)dividend; in icst_hz()
/linux-6.12.1/lib/crypto/mpi/
Dmpi-mod.c10 int mpi_mod(MPI rem, MPI dividend, MPI divisor) in mpi_mod() argument
12 return mpi_fdiv_r(rem, dividend, divisor); in mpi_mod()
Dmpi-div.c19 int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor) in mpi_fdiv_r() argument
36 err = mpi_tdiv_r(rem, dividend, divisor); in mpi_fdiv_r()
40 if (((divisor_sign?1:0) ^ (dividend->sign?1:0)) && rem->nlimbs) in mpi_fdiv_r()
/linux-6.12.1/tools/testing/selftests/bpf/progs/
Dbpf_cc_cubic.c42 static __u64 div64_u64(__u64 dividend, __u64 divisor) in div64_u64() argument
44 return dividend / divisor; in div64_u64()
90 __u64 dividend = in tcp_cwnd_reduction() local
92 sndcnt = (__u32)div64_u64(dividend, (__u64)tp->prior_cwnd) - tp->prr_out; in tcp_cwnd_reduction()
/linux-6.12.1/arch/x86/boot/
Dstring.c201 static inline u64 __div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) in __div_u64_rem() argument
206 } d = { dividend }; in __div_u64_rem()
220 static inline u64 __div_u64(u64 dividend, u32 divisor) in __div_u64() argument
224 return __div_u64_rem(dividend, divisor, &remainder); in __div_u64()
/linux-6.12.1/lib/zstd/common/
Dzstd_deps.h68 static uint64_t ZSTD_div64(uint64_t dividend, uint32_t divisor) { in ZSTD_div64() argument
69 return div_u64(dividend, divisor); in ZSTD_div64()
/linux-6.12.1/drivers/clk/sophgo/
Dclk-cv18xx-pll.c203 u64 dividend = parent_rate * div_sel; in fpll_calc_rate() local
207 dividend <<= PLL_SYN_FACTOR_DOT_POS - 1; in fpll_calc_rate()
208 rate = div64_u64_rem(dividend, factor, &dividend); in fpll_calc_rate()
211 dividend <<= 1; in fpll_calc_rate()
215 rate += DIV64_U64_ROUND_CLOSEST(dividend, factor); in fpll_calc_rate()
/linux-6.12.1/arch/x86/include/asm/
Ddiv64.h43 static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) in div_u64_rem() argument
48 } d = { dividend }; in div_u64_rem()
/linux-6.12.1/drivers/hwmon/
Daspeed-g6-pwm-tach.c156 u64 div_h, div_l, duty_cycle_period, dividend; in aspeed_pwm_get_state() local
171 dividend = (u64)NSEC_PER_SEC * (div_l + 1) * (duty_cycle_period + 1) in aspeed_pwm_get_state()
173 state->period = DIV_ROUND_UP_ULL(dividend, priv->clk_rate); in aspeed_pwm_get_state()
176 dividend = (u64)NSEC_PER_SEC * (div_l + 1) * duty_pt in aspeed_pwm_get_state()
178 state->duty_cycle = DIV_ROUND_UP_ULL(dividend, priv->clk_rate); in aspeed_pwm_get_state()
/linux-6.12.1/arch/arm/net/
Dbpf_jit_32.c223 static u32 jit_udiv32(u32 dividend, u32 divisor) in jit_udiv32() argument
225 return dividend / divisor; in jit_udiv32()
228 static u32 jit_mod32(u32 dividend, u32 divisor) in jit_mod32() argument
230 return dividend % divisor; in jit_mod32()
233 static s32 jit_sdiv32(s32 dividend, s32 divisor) in jit_sdiv32() argument
235 return dividend / divisor; in jit_sdiv32()
238 static s32 jit_smod32(s32 dividend, s32 divisor) in jit_smod32() argument
240 return dividend % divisor; in jit_smod32()
244 static u64 jit_udiv64(u64 dividend, u64 divisor) in jit_udiv64() argument
246 return div64_u64(dividend, divisor); in jit_udiv64()
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