diff options
Diffstat (limited to 'security/nss/lib/freebl/mpi/mpi_amd64_sun.s')
| -rw-r--r-- | security/nss/lib/freebl/mpi/mpi_amd64_sun.s | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/mpi/mpi_amd64_sun.s b/security/nss/lib/freebl/mpi/mpi_amd64_sun.s new file mode 100644 index 000000000..ddd5c40fd --- /dev/null +++ b/security/nss/lib/freebl/mpi/mpi_amd64_sun.s @@ -0,0 +1,385 @@ +/ This Source Code Form is subject to the terms of the Mozilla Public +/ License, v. 2.0. If a copy of the MPL was not distributed with this +/ file, You can obtain one at http://mozilla.org/MPL/2.0/. + + +/ ------------------------------------------------------------------------ +/ +/ Implementation of s_mpv_mul_set_vec which exploits +/ the 64X64->128 bit unsigned multiply instruction. +/ +/ ------------------------------------------------------------------------ + +/ r = a * digit, r and a are vectors of length len +/ returns the carry digit +/ r and a are 64 bit aligned. +/ +/ uint64_t +/ s_mpv_mul_set_vec64(uint64_t *r, uint64_t *a, int len, uint64_t digit) +/ + +.text; .align 16; .globl s_mpv_mul_set_vec64; .type s_mpv_mul_set_vec64, @function; s_mpv_mul_set_vec64: + + xorq %rax, %rax / if (len == 0) return (0) + testq %rdx, %rdx + jz .L17 + + movq %rdx, %r8 / Use r8 for len; %rdx is used by mul + xorq %r9, %r9 / cy = 0 + +.L15: + cmpq $8, %r8 / 8 - len + jb .L16 + movq 0(%rsi), %rax / rax = a[0] + movq 8(%rsi), %r11 / prefetch a[1] + mulq %rcx / p = a[0] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 0(%rdi) / r[0] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 16(%rsi), %r11 / prefetch a[2] + mulq %rcx / p = a[1] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 8(%rdi) / r[1] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 24(%rsi), %r11 / prefetch a[3] + mulq %rcx / p = a[2] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 16(%rdi) / r[2] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 32(%rsi), %r11 / prefetch a[4] + mulq %rcx / p = a[3] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 24(%rdi) / r[3] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 40(%rsi), %r11 / prefetch a[5] + mulq %rcx / p = a[4] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 32(%rdi) / r[4] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 48(%rsi), %r11 / prefetch a[6] + mulq %rcx / p = a[5] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 40(%rdi) / r[5] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 56(%rsi), %r11 / prefetch a[7] + mulq %rcx / p = a[6] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 48(%rdi) / r[6] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + mulq %rcx / p = a[7] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 56(%rdi) / r[7] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + addq $64, %rsi + addq $64, %rdi + subq $8, %r8 + + jz .L17 + jmp .L15 + +.L16: + movq 0(%rsi), %rax + mulq %rcx / p = a[0] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 0(%rdi) / r[0] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 8(%rsi), %rax + mulq %rcx / p = a[1] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 8(%rdi) / r[1] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 16(%rsi), %rax + mulq %rcx / p = a[2] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 16(%rdi) / r[2] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 24(%rsi), %rax + mulq %rcx / p = a[3] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 24(%rdi) / r[3] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 32(%rsi), %rax + mulq %rcx / p = a[4] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 32(%rdi) / r[4] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 40(%rsi), %rax + mulq %rcx / p = a[5] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 40(%rdi) / r[5] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + movq 48(%rsi), %rax + mulq %rcx / p = a[6] * digit + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 48(%rdi) / r[6] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L17 + + +.L17: + movq %r9, %rax + ret + +.size s_mpv_mul_set_vec64, .-s_mpv_mul_set_vec64 + +/ ------------------------------------------------------------------------ +/ +/ Implementation of s_mpv_mul_add_vec which exploits +/ the 64X64->128 bit unsigned multiply instruction. +/ +/ ------------------------------------------------------------------------ + +/ r += a * digit, r and a are vectors of length len +/ returns the carry digit +/ r and a are 64 bit aligned. +/ +/ uint64_t +/ s_mpv_mul_add_vec64(uint64_t *r, uint64_t *a, int len, uint64_t digit) +/ + +.text; .align 16; .globl s_mpv_mul_add_vec64; .type s_mpv_mul_add_vec64, @function; s_mpv_mul_add_vec64: + + xorq %rax, %rax / if (len == 0) return (0) + testq %rdx, %rdx + jz .L27 + + movq %rdx, %r8 / Use r8 for len; %rdx is used by mul + xorq %r9, %r9 / cy = 0 + +.L25: + cmpq $8, %r8 / 8 - len + jb .L26 + movq 0(%rsi), %rax / rax = a[0] + movq 0(%rdi), %r10 / r10 = r[0] + movq 8(%rsi), %r11 / prefetch a[1] + mulq %rcx / p = a[0] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[0] + movq 8(%rdi), %r10 / prefetch r[1] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 0(%rdi) / r[0] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 16(%rsi), %r11 / prefetch a[2] + mulq %rcx / p = a[1] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[1] + movq 16(%rdi), %r10 / prefetch r[2] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 8(%rdi) / r[1] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 24(%rsi), %r11 / prefetch a[3] + mulq %rcx / p = a[2] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[2] + movq 24(%rdi), %r10 / prefetch r[3] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 16(%rdi) / r[2] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 32(%rsi), %r11 / prefetch a[4] + mulq %rcx / p = a[3] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[3] + movq 32(%rdi), %r10 / prefetch r[4] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 24(%rdi) / r[3] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 40(%rsi), %r11 / prefetch a[5] + mulq %rcx / p = a[4] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[4] + movq 40(%rdi), %r10 / prefetch r[5] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 32(%rdi) / r[4] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 48(%rsi), %r11 / prefetch a[6] + mulq %rcx / p = a[5] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[5] + movq 48(%rdi), %r10 / prefetch r[6] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 40(%rdi) / r[5] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + movq 56(%rsi), %r11 / prefetch a[7] + mulq %rcx / p = a[6] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[6] + movq 56(%rdi), %r10 / prefetch r[7] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 48(%rdi) / r[6] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + movq %r11, %rax + mulq %rcx / p = a[7] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[7] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 56(%rdi) / r[7] = lo(p) + movq %rdx, %r9 / cy = hi(p) + + addq $64, %rsi + addq $64, %rdi + subq $8, %r8 + + jz .L27 + jmp .L25 + +.L26: + movq 0(%rsi), %rax + movq 0(%rdi), %r10 + mulq %rcx / p = a[0] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[0] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 0(%rdi) / r[0] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 8(%rsi), %rax + movq 8(%rdi), %r10 + mulq %rcx / p = a[1] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[1] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 8(%rdi) / r[1] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 16(%rsi), %rax + movq 16(%rdi), %r10 + mulq %rcx / p = a[2] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[2] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 16(%rdi) / r[2] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 24(%rsi), %rax + movq 24(%rdi), %r10 + mulq %rcx / p = a[3] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[3] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 24(%rdi) / r[3] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 32(%rsi), %rax + movq 32(%rdi), %r10 + mulq %rcx / p = a[4] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[4] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 32(%rdi) / r[4] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 40(%rsi), %rax + movq 40(%rdi), %r10 + mulq %rcx / p = a[5] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[5] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 40(%rdi) / r[5] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + movq 48(%rsi), %rax + movq 48(%rdi), %r10 + mulq %rcx / p = a[6] * digit + addq %r10, %rax + adcq $0, %rdx / p += r[6] + addq %r9, %rax + adcq $0, %rdx / p += cy + movq %rax, 48(%rdi) / r[6] = lo(p) + movq %rdx, %r9 / cy = hi(p) + decq %r8 + jz .L27 + + +.L27: + movq %r9, %rax + ret + +.size s_mpv_mul_add_vec64, .-s_mpv_mul_add_vec64 |