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/linux/arch/arm/lib/
H A Ddiv64.S29 * __do_div64: perform a division with 64-bit dividend and 32-bit divisor.
84 @ The division loop for needed upper bit positions.
100 @ The division loop for lower bit positions.
140 @ If possible, branch for another shift in the division loop.
147 8: @ Division by a power of 2: determine what that divisor order is
187 @ eq -> division by 1: obvious enough...
198 @ Division by 0:
H A Dlib1funcs.S2 * linux/arch/arm/lib/lib1funcs.S: Optimized ARM division routines
56 @ at the left end of each 4 bit nibbles in the division loop
65 @ division loop. Continue shifting until the divisor is
85 @ Division loop
152 @ division loop. Continue shifting until the divisor is
272 subs r2, r1, #1 @ division by 1 or -1 ?
/linux/arch/alpha/include/uapi/asm/
H A Dgentrap.h11 #define GEN_INTDIV -2 /* integer division by zero */
13 #define GEN_FLTDIV -4 /* fp division by zero */
18 #define GEN_DECDIV -9 /* decimal division by zero */
H A Dfpu.h12 #define FPCR_DZED (1UL<<50) /* division by zero disable (opt.) */
15 #define FPCR_DZE (1UL<<53) /* division by zero */
45 #define IEEE_TRAP_ENABLE_DZE (1UL<<2) /* division by zero */
/linux/Documentation/devicetree/bindings/clock/
H A Dmvebu-gated-clock.txt23 25 tdm Time Division Mplx
48 25 tdm Time Division Mplx
77 25 tdm Time Division Multiplexing
117 25 tdm Time Division Mplx
173 20 tdm Time Division Mplx
H A Dapple,nco.yaml15 fractional division of a high frequency input clock.
32 are derived through fractional division.
/linux/tools/testing/selftests/ftrace/test.d/trigger/
H A Dtrigger-hist-expressions.tc43 test_hist_expr "Division not associative" "64/8/4/2" "1"
51 test_hist_expr "Division evaluated before addition/subtraction" "4+6/2-2" "5"
61 check_error "Division by zero" 'hist:keys=common_pid:x=3/^0'
/linux/lib/crypto/mpi/
H A Dmpih-div.c40 /* If multiplication is much faster than division, and the in mpihelp_mod_1()
77 * ...one division less... in mpihelp_mod_1()
136 * ...one division less... in mpihelp_mod_1()
258 * treatment of this rare case as normal division would in mpihelp_divrem()
390 /* If multiplication is much faster than division, and the in mpihelp_divmod_1()
426 * ...one division less... in mpihelp_divmod_1()
484 * ...one division less... in mpihelp_divmod_1()
/linux/Documentation/staging/
H A Dcrc32.rst5 A CRC is a long-division remainder. You add the CRC to the message,
13 It's actually the same long division you learned in school, except that:
20 Like all division, the remainder is always smaller than the divisor.
34 Just like with ordinary division, you proceed one digit (bit) at a time.
35 Each step of the division you take one more digit (bit) of the dividend
/linux/scripts/coccinelle/misc/
H A Ddo_div.cocci2 /// do_div() does a 64-by-32 division.
5 /// non-zero and be truncated to 0 for division on 64bit platforms.
62 msg="WARNING: do_div() does a 64-by-32 division, please consider using %s instead."
H A Darray_size.cocci5 //# where there is a division of sizeof the array by the sizeof its first
7 //# division of the two sizeofs by ARRAY_SIZE.
/linux/tools/perf/pmu-events/arch/riscv/sifive/u74/
H A Dinstructions.json55 "BriefDescription": "Integer division instruction retired"
85 "BriefDescription": "Floating-point division or square-root retired"
/linux/arch/nios2/kernel/
H A Dinsnemu.S94 * is used to differentiate between the division opcodes and the
180 * Prepare for either multiplication or division loop.
215 /* DIVISION
254 * Prepare for division by assuming the result
260 /* Which division opcode? */
279 /* Initialize the unsigned-division loop. */
299 * Division:
/linux/lib/math/
H A Dgcd.c10 * This is faster than the division-based algorithm even on x86, which
11 * has decent hardware division.
H A Dtest_div64.c225 pr_info("Starting 64bit/32bit division and modulo test\n"); in test_div64_init()
234 pr_info("Completed 64bit/32bit division and modulo test, " in test_div64_init()
249 MODULE_DESCRIPTION("64bit/32bit division and modulo test module");
/linux/tools/perf/pmu-events/arch/riscv/andes/ax45/
H A Dinstructions.json80 "BriefDescription": "Integer division/remainder instruction count"
110 "BriefDescription": "Floating-point division or square-root instruction count"
/linux/arch/alpha/lib/
H A Ddivide.S7 * Alpha division..
11 * The alpha chip doesn't provide hardware division, so we have to do it
159 * Uhh.. Ugly signed division. I'd rather not have it at all, but
/linux/drivers/scsi/
H A Dscsi_logging.h10 * bitfields, each of which describes a loglevel. The division of things is
11 * somewhat arbitrary, and the division of the word could be changed if it
/linux/arch/x86/math-emu/
H A Dreg_u_div.S120 /* We should be able to zip through the division here */
136 /* Work on the remainder of the first division */
141 /* Work on the remainder of the 64 bit division */
224 i.e., no division at all.. */
356 /* The division is essentially finished here, we just need to perform
/linux/include/linux/
H A Dreciprocal_div.h8 * This algorithm is based on the paper "Division by Invariant
20 * to calculate the division A/B.
/linux/drivers/crypto/intel/qat/qat_common/
H A Dadf_clock.c92 * Enclose the division to allow the preprocessor to precalculate it, in measure_clock()
93 * and avoid promoting r-value to 64-bit before division. in measure_clock()
/linux/Documentation/admin-guide/device-mapper/
H A Ddm-service-time.rst60 the division and just compare the 'in-flight-size'.
62 2. If the paths have the same 'in-flight-size', skip the division
/linux/drivers/watchdog/
H A Drzv2h_wdt.c74 /* Configure the timeout, clock division ratio, and window start and end positions. */ in rzv2h_wdt_setup()
104 * - CKS[7:4] - Clock Division Ratio Select - 0101b: oscclk/256 in rzv2h_wdt_start()
182 * - CKS[7:4] - Clock Division Ratio Select - 0000b: oscclk/1 in rzv2h_wdt_restart()
/linux/drivers/block/drbd/
H A Ddrbd_proc.c58 * +1 to prevent division by zero */ in drbd_get_syncer_progress()
66 /* Make sure the division happens in long context. in drbd_get_syncer_progress()
71 * so we don't need a 64bit division on 32bit arch. in drbd_get_syncer_progress()
131 * safe against division by zero. We only estimate anyway. in drbd_syncer_progress()
/linux/drivers/pwm/
H A Dpwm-tegra.c11 * 1. 13-bit: Frequency division (SCALE)
12 * 2. 8-bit : Pulse division (DUTY)
16 * on the programmable frequency division value to generate the required
106 * nearest integer during division. in tegra_pwm_config()

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