| /linux/include/linux/ ! |
| H A D | math64.h | 16 * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
24 * divide.
33 * div_s64_rem - signed 64bit divide with 32bit divisor with remainder
47 * div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
61 * div64_u64 - unsigned 64bit divide with 64bit divisor
73 * div64_s64 - signed 64bit divide with 64bit divisor
116 * div_u64 - unsigned 64bit divide with 32bit divisor
120 * This is the most common 64bit divide and should be used if possible,
122 * divide.
135 * div_s64 - signed 64bit divide with 32bit divisor
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| H A D | reciprocal_div.h | 47 * ceil(log2(d)) result will be 32 which then requires u128 divide on host. The
54 * It makes no sense to use this advanced version for host divide emulation,
58 * However, it makes sense to use it for JIT divide code generation for which
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| /linux/tools/perf/pmu-events/arch/x86/goldmont/ ! |
| H A D | floating-point.json | 3 "BriefDescription": "Cycles the FP divide unit is busy",
7 "PublicDescription": "Counts core cycles the floating point divide unit is busy.",
21 "BriefDescription": "Floating point divide uops retired. (Precise Event Capable)",
26 "PublicDescription": "Counts the number of floating point divide uops retired.",
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| /linux/drivers/acpi/acpica/ ! |
| H A D | utmath.c | 14 /* Structures used only for 64-bit divide */
229 * Optional support for 64-bit double-precision integer divide. This code
233 * Support for a more normal 64-bit divide/modulo (with check for a divide-
247 * RETURN: Status (Checks for divide-by-zero)
250 * divide and modulo. The result is a 64-bit quotient and a
268 ACPI_ERROR((AE_INFO, "Divide by zero")); in acpi_ut_short_divide()
276 * and is generated by the second divide. in acpi_ut_short_divide()
305 * RETURN: Status (Checks for divide-by-zero)
307 * DESCRIPTION: Perform a divide and modulo.
330 ACPI_ERROR((AE_INFO, "Divide by zero")); in acpi_ut_divide()
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| /linux/arch/m68k/ifpsp060/ ! |
| H A D | ilsp.doc | 34 module can be used to emulate 64-bit divide and multiply,
95 For a divide:
105 bsr.l _060LISP_TOP+0x08 # branch to divide routine
128 If the instruction being emulated is a divide and the source
130 instruction, executes an implemented divide using a zero
131 source operand so that an "Integer Divide-by-Zero" exception
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| /linux/drivers/net/ethernet/intel/iavf/ ! |
| H A D | iavf_txrx.h | 127 * Thus, we need to divide by 12K. But division is slow! Instead,
131 * To divide by 12K, we first divide by 4K, then divide by 3:
132 * To divide by 4K, shift right by 12 bits
133 * To divide by 3, multiply by 85, then divide by 256
134 * (Divide by 256 is done by shifting right by 8 bits)
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| /linux/arch/arm/mach-pxa/ ! |
| H A D | smemc.h | 57 #define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */
63 #define MDREFR_K2DB2 (1 << 19) /* SDCLK2 Divide by 2 Control/Status */
65 #define MDREFR_K1DB2 (1 << 17) /* SDCLK1 Divide by 2 Control/Status */
68 #define MDREFR_K0DB2 (1 << 14) /* SDCLK0 Divide by 2 Control/Status */
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| /linux/drivers/gpu/drm/mcde/ ! |
| H A D | mcde_clk_div.c | 93 * means "divide by 2". in mcde_clk_div_recalc_rate()
102 /* 0 in the PCD means "divide by 2", 1 means "divide by 3" etc */ in mcde_clk_div_recalc_rate()
117 * We cache the CR bits to set the divide in the state so that in mcde_clk_div_set_rate()
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| /linux/arch/x86/math-emu/ ! |
| H A D | div_Xsig.S | 16 | Divide the 96 bit quantity pointed to by a, by that pointed to by b, and |
99 | Divide: Return arg1/arg2 to arg3. |
114 /* Divide by 2 to prevent overflow */
136 /* We will divide by a number which is too large */
141 /* here we need to divide by 100000000h,
147 divl %ecx /* Divide the numerator by the augmented
222 divl %ecx /* Divide the numerator by the denom ms dw */
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| H A D | reg_u_div.S | 6 | Divide one FPU_REG by another and put the result in a destination FPU_REG.|
118 jnz L_Full_Division /* Can't do a quick divide */
132 /* Divide the 64 bit number by the 32 bit denominator */
163 | Divide: Return arg1/arg2 to arg3. |
218 /* We will divide by a number which is too large */
223 /* here we need to divide by 100000000h,
229 divl %ecx /* Divide the numerator by the augmented
304 divl %ecx /* Divide the numerator by the denom ms dw */
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| /linux/drivers/clk/pxa/ ! |
| H A D | clk-pxa.c | 22 #define MDREFR_K0DB4 (1 << 29) /* SDCLK0 Divide by 4 Control/Status */
28 #define MDREFR_K2DB2 (1 << 19) /* SDCLK2 Divide by 2 Control/Status */
30 #define MDREFR_K1DB2 (1 << 17) /* SDCLK1 Divide by 2 Control/Status */
33 #define MDREFR_K0DB2 (1 << 14) /* SDCLK0 Divide by 2 Control/Status */
183 * must be set prior to the change. Clearing the divide must be done in pxa2xx_cpll_change()
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| /linux/drivers/net/ethernet/intel/i40e/ ! |
| H A D | i40e_txrx.h | 221 * Thus, we need to divide by 12K. But division is slow! Instead,
225 * To divide by 12K, we first divide by 4K, then divide by 3:
226 * To divide by 4K, shift right by 12 bits
227 * To divide by 3, multiply by 85, then divide by 256
228 * (Divide by 256 is done by shifting right by 8 bits)
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| /linux/tools/perf/pmu-events/arch/x86/snowridgex/ ! |
| H A D | floating-point.json | 21 …"BriefDescription": "Counts the number of floating point divide uops retired (x87 and SSE, includi…
26 …"PublicDescription": "Counts the number of floating point divide uops retired (x87 and SSE, includ…
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| /linux/tools/perf/pmu-events/arch/x86/elkhartlake/ ! |
| H A D | floating-point.json | 21 …"BriefDescription": "Counts the number of floating point divide uops retired (x87 and SSE, includi…
26 …"PublicDescription": "Counts the number of floating point divide uops retired (x87 and SSE, includ…
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| /linux/drivers/spi/ ! |
| H A D | spi-cadence-xspi.c | 335 4, //0x0 = Divide by 4. SPI clock is 200 MHz.
336 6, //0x1 = Divide by 6. SPI clock is 133.33 MHz.
337 8, //0x2 = Divide by 8. SPI clock is 100 MHz.
338 10, //0x3 = Divide by 10. SPI clock is 80 MHz.
339 12, //0x4 = Divide by 12. SPI clock is 66.666 MHz.
340 16, //0x5 = Divide by 16. SPI clock is 50 MHz.
341 18, //0x6 = Divide by 18. SPI clock is 44.44 MHz.
342 20, //0x7 = Divide by 20. SPI clock is 40 MHz.
343 24, //0x8 = Divide by 24. SPI clock is 33.33 MHz.
344 32, //0x9 = Divide by 32. SPI clock is 25 MHz.
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| /linux/tools/perf/pmu-events/arch/x86/amdzen1/ ! |
| H A D | floating-point.json | 87 "BriefDescription": "Divide and square root Ops.",
88 …ave retired. The number of events logged per cycle can vary from 0 to 8. Divide and square root Op…
122 "BriefDescription": "Double precision divide/square root FLOPS.",
123 …e can vary from 0 to 64. This event can count above 15. Double precision divide/square root FLOPS.…
150 "BriefDescription": "Single-precision divide/square root FLOPS.",
151 …e can vary from 0 to 64. This event can count above 15. Single-precision divide/square root FLOPS.…
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| /linux/include/linux/can/platform/ ! |
| H A D | cc770.h | 10 #define CPUIF_DMC 0x20 /* Divide Memory Clock */
11 #define CPUIF_DSC 0x40 /* Divide System Clock */
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| /linux/arch/microblaze/kernel/ ! |
| H A D | exceptions.c | 110 pr_debug("Divide by zero exception in user mode\n"); in full_exception()
114 pr_warn("Divide by zero exception in kernel mode.\n"); in full_exception()
115 die("Divide by zero exception", regs, SIGBUS); in full_exception()
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| /linux/tools/perf/pmu-events/arch/arm64/fujitsu/monaka/ ! |
| H A D | fp_operation.json | 79 … "BriefDescription": "This event counts architecturally executed floating-point divide operation."
83 …ption": "This event counts architecturally executed Advanced SIMD floating-point divide operation."
87 …"BriefDescription": "This event counts architecturally executed SVE floating-point divide operatio…
91 … "This event counts architecturally executed Advanced SIMD or SVE floating-point divide operation."
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| /linux/drivers/clk/ingenic/ ! |
| H A D | cgu.h | 86 * @shift: number of bits to left shift the divide value by (ie. the index of
87 * the lowest bit of the divide value within its control register)
88 * @div: number to divide the divider value by (i.e. if the
91 * @bits: the size of the divide value in bits
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| /linux/Documentation/devicetree/bindings/hwmon/ ! |
| H A D | moortec,mr75203.yaml | 25 *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then
27 divide by 2 pre-scaler).
84 Defines the channels that use a mr76006 pre-scaler to divide the input
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| /linux/drivers/gpu/drm/imagination/ ! |
| H A D | pvr_rogue_defs.h | 77 * To get the number of required Dusts, divide the number of
83 * To get the number of required Bernado/Phantom(s), divide
129 * ROGUE_CDMCTRL_USC_COMMON_SIZE_ALIGNSIZE is in bytes so we divide by four.
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| /linux/arch/arc/include/asm/ ! |
| H A D | delay.h | 43 * -Mathematically if we multiply and divide a number by same value the
49 * -Divide by 2^32 is very simply right shift by 32
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| /linux/arch/parisc/math-emu/ ! |
| H A D | sfdiv.c | 15 * Single Precision Floating-point Divide
33 * Single Precision Floating-point Divide
203 /* Divide the source mantissas */ in sgl_fdiv()
206 * A non_restoring divide algorithm is used. in sgl_fdiv()
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| /linux/arch/powerpc/lib/ ! |
| H A D | div64.S | 3 * Divide a 64-bit unsigned number by a 32-bit unsigned number.
39 divwu r11,r11,r9 # then we divide the shifted quantities
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