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# mp_limb_t mulredc14(mp_limb_t * z, const mp_limb_t * x, const mp_limb_t * y,
# const mp_limb_t *m, mp_limb_t inv_m);
#
# Stack:
# inv_m ## parameters
# m
# y
# x
# z (4*(2k+7))%esp
# ??? (1 limb???)
# ebp ## pushed registers (4*(2k+5))%esp
# edi
# esi
# ebx
# ... ## counter (1 mp_limb_t) (4*(2k+1))%esp
# ... ## tmp space (2*k+1 mp_limb_t)
include(`config.m4')
TEXT
GLOBL GSYM_PREFIX`'mulredc14
TYPE(GSYM_PREFIX`'mulredc14,`function')
GSYM_PREFIX`'mulredc14:
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
subl $120, %esp
movl %esp, %edi
### set tmp[0..2k+1[ to 0
movl $0, (%edi)
movl $0, 4(%edi)
movl $0, 8(%edi)
movl $0, 12(%edi)
movl $0, 16(%edi)
movl $0, 20(%edi)
movl $0, 24(%edi)
movl $0, 28(%edi)
movl $0, 32(%edi)
movl $0, 36(%edi)
movl $0, 40(%edi)
movl $0, 44(%edi)
movl $0, 48(%edi)
movl $0, 52(%edi)
movl $0, 56(%edi)
movl $0, 60(%edi)
movl $0, 64(%edi)
movl $0, 68(%edi)
movl $0, 72(%edi)
movl $0, 76(%edi)
movl $0, 80(%edi)
movl $0, 84(%edi)
movl $0, 88(%edi)
movl $0, 92(%edi)
movl $0, 96(%edi)
movl $0, 100(%edi)
movl $0, 104(%edi)
movl $0, 108(%edi)
movl $0, 112(%edi)
###########################################
movl $14, 116(%esp)
.align 32
Loop:
## compute u and store in %ebp
movl 144(%esp), %eax
movl 148(%esp), %esi
movl (%eax), %eax
mull (%esi)
addl (%edi), %eax
mull 156(%esp)
movl %eax, %ebp
movl 152(%esp), %esi
### addmul1: src[0] is (%esi)
### dst[0] is (%edi)
### mult is %ebp
### k is 14
### kills %eax, %ebx, %ecx, %edx
### dst[0,k[ += mult*src[0,k[ plus carry put in ecx or ebx
movl (%esi), %eax
mull %ebp
movl %eax, %ebx
movl %edx, %ecx
movl 4(%esi), %eax
mull %ebp
addl %ebx, (%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 8(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 4(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 12(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 8(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 16(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 12(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 20(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 16(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 24(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 20(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 28(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 24(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 32(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 28(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 36(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 32(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 40(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 36(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 44(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 40(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 48(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 44(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 52(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 48(%edi)
adcl %ecx, %eax
adcl $0, %edx
addl %eax, 52(%edi)
adcl $0, %edx
### carry limb is in %edx
addl %edx, 56(%edi)
adcl $0, 60(%edi)
movl 144(%esp), %eax
movl (%eax), %ebp
movl 148(%esp), %esi
### addmul1: src[0] is (%esi)
### dst[0] is (%edi)
### mult is %ebp
### k is 14
### kills %eax, %ebx, %ecx, %edx
### dst[0,k[ += mult*src[0,k[ plus carry put in ecx or ebx
movl (%esi), %eax
mull %ebp
movl %eax, %ebx
movl %edx, %ecx
movl 4(%esi), %eax
mull %ebp
addl %ebx, (%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 8(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 4(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 12(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 8(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 16(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 12(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 20(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 16(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 24(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 20(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 28(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 24(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 32(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 28(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 36(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 32(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 40(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 36(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 44(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 40(%edi)
movl $0, %ebx
adcl %eax, %ecx
movl 48(%esi), %eax
adcl %edx, %ebx
mull %ebp
addl %ecx, 44(%edi)
movl $0, %ecx
adcl %eax, %ebx
movl 52(%esi), %eax
adcl %edx, %ecx
mull %ebp
addl %ebx, 48(%edi)
adcl %ecx, %eax
adcl $0, %edx
addl %eax, 52(%edi)
adcl $0, %edx
### carry limb is in %edx
addl %edx, 56(%edi)
adcl $0, 60(%edi)
addl $4, 144(%esp)
addl $4, %edi
decl 116(%esp)
jnz Loop
###########################################
### Copy result in z
movl 140(%esp), %ebx
movl (%edi), %eax
movl %eax, (%ebx)
movl 4(%edi), %eax
movl %eax, 4(%ebx)
movl 8(%edi), %eax
movl %eax, 8(%ebx)
movl 12(%edi), %eax
movl %eax, 12(%ebx)
movl 16(%edi), %eax
movl %eax, 16(%ebx)
movl 20(%edi), %eax
movl %eax, 20(%ebx)
movl 24(%edi), %eax
movl %eax, 24(%ebx)
movl 28(%edi), %eax
movl %eax, 28(%ebx)
movl 32(%edi), %eax
movl %eax, 32(%ebx)
movl 36(%edi), %eax
movl %eax, 36(%ebx)
movl 40(%edi), %eax
movl %eax, 40(%ebx)
movl 44(%edi), %eax
movl %eax, 44(%ebx)
movl 48(%edi), %eax
movl %eax, 48(%ebx)
movl 52(%edi), %eax
movl %eax, 52(%ebx)
movl 56(%edi), %eax # carry
addl $120, %esp
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
|
