Home
last modified time | relevance | path

Searched full:carry (Results 1 – 25 of 564) sorted by relevance

12345678910>>...23

/Linux-v5.15/net/ipv6/
Dip6_checksum.c13 int carry; in csum_ipv6_magic() local
19 carry = (sum < (__force u32)saddr->s6_addr32[0]); in csum_ipv6_magic()
20 sum += carry; in csum_ipv6_magic()
23 carry = (sum < (__force u32)saddr->s6_addr32[1]); in csum_ipv6_magic()
24 sum += carry; in csum_ipv6_magic()
27 carry = (sum < (__force u32)saddr->s6_addr32[2]); in csum_ipv6_magic()
28 sum += carry; in csum_ipv6_magic()
31 carry = (sum < (__force u32)saddr->s6_addr32[3]); in csum_ipv6_magic()
32 sum += carry; in csum_ipv6_magic()
35 carry = (sum < (__force u32)daddr->s6_addr32[0]); in csum_ipv6_magic()
[all …]
/Linux-v5.15/arch/alpha/lib/
Dcsum_partial_copy.c88 unsigned long carry = 0; in csum_partial_cfu_aligned() local
94 checksum += carry; in csum_partial_cfu_aligned()
98 carry = checksum < word; in csum_partial_cfu_aligned()
103 checksum += carry; in csum_partial_cfu_aligned()
112 carry = checksum < word; in csum_partial_cfu_aligned()
114 checksum += carry; in csum_partial_cfu_aligned()
130 unsigned long word, carry; in csum_partial_cfu_dest_aligned() local
136 carry = 0; in csum_partial_cfu_dest_aligned()
146 checksum += carry; in csum_partial_cfu_dest_aligned()
152 carry = checksum < word; in csum_partial_cfu_dest_aligned()
[all …]
Dchecksum.c77 * ways to do the carry, but this is reasonable.
110 unsigned long carry = 0; in do_csum() local
115 result += carry; in do_csum()
117 carry = (w > result); in do_csum()
119 result += carry; in do_csum()
167 /* add in old sum, and carry.. */ in csum_partial()
Dev6-csum_ipv6_magic.S40 * add 4 ushorts, resulting in ushort/carry
41 * add carry bits + ushort --> ushort
42 * add carry bits + ushort --> ushort (in case the carry results in an overflow)
146 addq $1,$3,$0 # E : Final carry
/Linux-v5.15/crypto/
Decc.c230 /* Computes result = in << c, returning carry. Can modify in place
236 u64 carry = 0; in vli_lshift() local
242 result[i] = (temp << shift) | carry; in vli_lshift()
243 carry = temp >> (64 - shift); in vli_lshift()
246 return carry; in vli_lshift()
253 u64 carry = 0; in vli_rshift1() local
259 *vli = (temp >> 1) | carry; in vli_rshift1()
260 carry = temp << 63; in vli_rshift1()
264 /* Computes result = left + right, returning carry. Can modify in place. */
268 u64 carry = 0; in vli_add() local
[all …]
/Linux-v5.15/drivers/infiniband/hw/hfi1/
Dpio_copy.c128 * Handle carry bytes using shifts and masks.
130 * NOTE: the value the unused portion of carry is expected to always be zero.
140 * "merge" shift - bit shift used to merge with carry bytes. Input is
176 * of pbuf->carry. Other bytes are left as-is. Any previous
177 * value in pbuf->carry is lost.
186 pbuf->carry.val64 = 0; in read_low_bytes()
187 jcopy(&pbuf->carry.val8[0], from, nbytes); in read_low_bytes()
192 * Read nbytes bytes from "from" and put them at the end of pbuf->carry.
193 * It is expected that the extra read does not overfill carry.
202 jcopy(&pbuf->carry.val8[pbuf->carry_bytes], from, nbytes); in read_extra_bytes()
[all …]
/Linux-v5.15/arch/sparc/lib/
Dudivdi3.S26 addx %i0,%i0,%i0 ! so this cannot give carry
38 ! Got carry from n. Subtract next step to cancel this carry.
64 addx %o4,%o4,%o4 ! so this cannot give carry
76 ! Got carry from n. Subtract next step to cancel this carry.
90 addx %i0,%i0,%i0 ! so this cannot give carry
102 ! Got carry from n. Subtract next step to cancel this carry.
169 addx %o4,%o4,%o4 ! so this cannot give carry
181 ! Got carry from n. Subtract next step to cancel this carry.
Ddivdi3.S50 addx %i0,%i0,%i0 ! so this cannot give carry
62 ! Got carry from n. Subtract next step to cancel this carry.
86 addx %g3,%g3,%g3 ! so this cannot give carry
98 ! Got carry from n. Subtract next step to cancel this carry.
110 addx %i0,%i0,%i0 ! so this cannot give carry
122 ! Got carry from n. Subtract next step to cancel this carry.
185 addx %o2,%o2,%o2 ! so this cannot give carry
197 ! Got carry from n. Subtract next step to cancel this carry.
Dchecksum_32.S50 addx %g0, %o2, %o2 ! add in final carry
57 addx %g0, %o2, %o2 ! add in final carry
74 addx %g0, %o2, %o0 ! add final carry into retval
116 andcc %o1, 0x70, %g1 ! clears carry flag too
121 addx %g0, %o2, %o2 ! sink in final carry
125 andcc %o1, 0x70, %g1 ! clears carry flag too
140 addx %g0, %o2, %o2 ! fetch final carry
328 addx %g0, %g7, %g7 ! add in last carry bit
335 andcc %g1, 0xf, %o3 ! get low bits of length (clears carry btw)
343 add %o1, %o2, %o1 ! advance dest ptr (carry is clear btw)
[all …]
/Linux-v5.15/arch/mips/include/asm/
Dchecksum.h102 int carry; in ip_fast_csum() local
106 carry = (csum < word[1]); in ip_fast_csum()
107 csum += carry; in ip_fast_csum()
110 carry = (csum < word[2]); in ip_fast_csum()
111 csum += carry; in ip_fast_csum()
114 carry = (csum < word[3]); in ip_fast_csum()
115 csum += carry; in ip_fast_csum()
120 carry = (csum < *word); in ip_fast_csum()
121 csum += carry; in ip_fast_csum()
243 " addu %0, $1 # Add final carry\n" in csum_ipv6_magic()
/Linux-v5.15/lib/
Dchecksum.c41 /* add up carry.. */ in from32to16()
71 unsigned int carry = 0; in do_csum() local
75 result += carry; in do_csum()
77 carry = (w > result); in do_csum()
79 result += carry; in do_csum()
130 /* add in old sum, and carry.. */ in csum_partial()
153 /* add up carry.. */ in from64to32()
/Linux-v5.15/arch/x86/mm/
Dphysaddr.c19 /* use the carry flag to determine if x was < __START_KERNEL_map */ in __phys_addr()
27 /* carry flag will be set if starting x was >= PAGE_OFFSET */ in __phys_addr()
39 /* only check upper bounds since lower bounds will trigger carry */ in __phys_addr_symbol()
51 /* use the carry flag to determine if x was < __START_KERNEL_map */ in __virt_addr_valid()
60 /* carry flag will be set if starting x was >= PAGE_OFFSET */ in __virt_addr_valid()
/Linux-v5.15/arch/ia64/lib/
Dcsum_partial_copy.c29 /* add up carry.. */ in from64to16()
66 unsigned long carry = 0; in do_csum_c() local
71 result += carry; in do_csum_c()
73 carry = (w > result); in do_csum_c()
75 result += carry; in do_csum_c()
/Linux-v5.15/arch/m68k/fpsp040/
Dsrem_mod.S206 clrl %d6 | ...D6 := carry <- 0
210 |..(Carry,D1,D2) is R
223 tstl %d6 | ...test carry bit
226 |..At this point carry = 0, R = (D1,D2), Y = (D4,D5)
240 |..If Carry is set, then Y < (Carry,D1,D2) < 2Y. Otherwise, Carry = 0
244 clrl %d6 | ...clear carry
248 |..At this point, Carry=0, R < Y. R = 2^(k-L)X - QY; k+j = L; j >= 0.
254 roxll #1,%d1 | ...hi(R) = 2hi(R) + carry
255 scs %d6 | ...set Carry if 2(R) overflows
258 |..At this point, R=(Carry,D1,D2) = 2^(k-L)X - QY, j+k=L, j >= 0, R < 2Y.
[all …]
/Linux-v5.15/block/
Dblk-crypto.c126 * carry 1 into the next limb. Else the carry is 0. in bio_crypt_dun_increment()
152 unsigned int carry = bytes >> bc->bc_key->data_unit_size_bits; in bio_crypt_dun_is_contiguous() local
155 if (bc->bc_dun[i] + carry != next_dun[i]) in bio_crypt_dun_is_contiguous()
159 * carry 1 into the next limb. Else the carry is 0. in bio_crypt_dun_is_contiguous()
161 if ((bc->bc_dun[i] + carry) < carry) in bio_crypt_dun_is_contiguous()
162 carry = 1; in bio_crypt_dun_is_contiguous()
164 carry = 0; in bio_crypt_dun_is_contiguous()
168 return carry == 0; in bio_crypt_dun_is_contiguous()
/Linux-v5.15/arch/parisc/include/asm/
Dchecksum.h67 a possible carry from adding the two 16-bit halves, in csum_fold()
68 will carry from the lower half into the upper half, in csum_fold()
125 ** But add insn's get serialized waiting for the carry bit. in csum_ipv6_magic()
137 " add,dc %3, %0, %0\n" /* fold in proto+len | carry bit */ in csum_ipv6_magic()
141 " addc 0, %0, %0\n" /* add carry */ in csum_ipv6_magic()
147 ** Insn stream is serialized on the carry bit here too. in csum_ipv6_magic()
166 " addc %3, %0, %0\n" /* fold in proto+len, catch carry */ in csum_ipv6_magic()
/Linux-v5.15/lib/mpi/
Dmpi-inline.h32 if (s2_limb < x) { /* sum is less than the left operand: handle carry */ in mpihelp_add_1()
34 x = *s1_ptr++ + 1; /* add carry */ in mpihelp_add_1()
39 return 1; /* return carry (size of s1 to small) */ in mpihelp_add_1()
48 return 0; /* no carry */ in mpihelp_add_1()
Dgeneric_mpih-add1.c40 y += cy; /* add previous carry to one addend */ in mpihelp_add_n()
41 cy = y < cy; /* get out carry from that addition */ in mpihelp_add_n()
43 cy += y < x; /* get out carry from that add, combine */ in mpihelp_add_n()
Dgeneric_mpih-sub1.c39 y += cy; /* add previous carry to subtrahend */ in mpihelp_sub_n()
40 cy = y < cy; /* get out carry from that addition */ in mpihelp_sub_n()
42 cy += y > x; /* get out carry from the subtract, combine */ in mpihelp_sub_n()
/Linux-v5.15/arch/hexagon/lib/
Dchecksum.c22 #define CARRY(x, y) ((0x0002ULL*x)<<y) macro
27 #define VR_CARRY(a, b, c, d) (CARRY(a, 48) + CARRY(b, 32) + CARRY(c, 16) \
28 + CARRY(d, 0))
81 * ways to do the carry, but this is reasonable.
/Linux-v5.15/arch/x86/crypto/
Dcurve25519-x86_64.c42 * and returns the carry (if any) */
48 /* Clear registers to propagate the carry bit */ in add_scalar()
65 /* Return the carry bit in a register */ in add_scalar()
91 /* Step 1: Compute carry*38 */ in fadd()
96 /* Step 2: Add carry*38 to the original sum */ in fadd()
106 /* Step 3: Fold the carry bit back in; guaranteed not to carry at this point */ in fadd()
133 /* Step 1: Compute carry*38 */ in fsub()
138 /* Step 2: Subtract carry*38 from the original difference */ in fsub()
144 /* Step 3: Fold the carry bit back in; guaranteed not to carry at this point */ in fsub()
201 /* Step 1: Compute dst + carry == tmp_hi * 38 + tmp_lo */ in fmul()
[all …]
/Linux-v5.15/arch/nios2/include/asm/
Dchecksum.h47 "add %0, %0, r8\n" /* add carry */ in csum_tcpudp_nofold()
50 "add %0, %0, r8\n" /* add carry */ in csum_tcpudp_nofold()
53 "add %0, %0, r8\n" /* add carry */ in csum_tcpudp_nofold()
/Linux-v5.15/net/netfilter/
Dnft_bitwise.c42 u32 carry = 0; in nft_bitwise_eval_lshift() local
45 dst[i - 1] = (src[i - 1] << shift) | carry; in nft_bitwise_eval_lshift()
46 carry = src[i - 1] >> (BITS_PER_TYPE(u32) - shift); in nft_bitwise_eval_lshift()
55 u32 carry = 0; in nft_bitwise_eval_rshift() local
58 dst[i] = carry | (src[i] >> shift); in nft_bitwise_eval_rshift()
59 carry = src[i] << (BITS_PER_TYPE(u32) - shift); in nft_bitwise_eval_rshift()
/Linux-v5.15/arch/parisc/lib/
Dchecksum.c30 /* 32 bits --> 16 bits + carry */ in from32to16()
32 /* 16 bits + carry --> 16 bits including carry */ in from32to16()
/Linux-v5.15/arch/x86/lib/
Dcsum-copy_64.S147 leaq 8(%rsi), %rsi /* preserve carry */
150 adcq %r9, %rax /* add in carry */
180 adcl %r9d, %eax /* add in carry */
192 adcl %r9d, %eax /* carry */

12345678910>>...23