openssl/crypto/bn/asm/alpha/div.pl
1998-12-21 11:00:56 +00:00

145 lines
2.1 KiB
Raku

#!/usr/local/bin/perl
sub bn_div_words
{
local($data)=<<'EOF';
#
# What follows was taken directly from the C compiler with a few
# hacks to redo the lables.
#
.text
.set noreorder
.set volatile
.align 3
.globl bn_div_words
.ent bn_div_words
bn_div_words
ldgp $29,0($27)
bn_div_words.ng:
lda $30,-48($30)
.frame $30,48,$26,0
stq $26,0($30)
stq $9,8($30)
stq $10,16($30)
stq $11,24($30)
stq $12,32($30)
stq $13,40($30)
.mask 0x4003e00,-48
.prologue 1
bis $16,$16,$9
bis $17,$17,$10
bis $18,$18,$11
bis $31,$31,$13
bis $31,2,$12
bne $11,$9119
lda $0,-1
br $31,$9136
.align 4
$9119:
bis $11,$11,$16
jsr $26,BN_num_bits_word
ldgp $29,0($26)
subq $0,64,$1
beq $1,$9120
bis $31,1,$1
sll $1,$0,$1
cmpule $9,$1,$1
bne $1,$9120
# lda $16,_IO_stderr_
# lda $17,$C32
# bis $0,$0,$18
# jsr $26,fprintf
# ldgp $29,0($26)
jsr $26,abort
ldgp $29,0($26)
.align 4
$9120:
bis $31,64,$3
cmpult $9,$11,$2
subq $3,$0,$1
addl $1,$31,$0
subq $9,$11,$1
cmoveq $2,$1,$9
beq $0,$9122
zapnot $0,15,$2
subq $3,$0,$1
sll $11,$2,$11
sll $9,$2,$3
srl $10,$1,$1
sll $10,$2,$10
bis $3,$1,$9
$9122:
srl $11,32,$5
zapnot $11,15,$6
lda $7,-1
.align 5
$9123:
srl $9,32,$1
subq $1,$5,$1
bne $1,$9126
zapnot $7,15,$27
br $31,$9127
.align 4
$9126:
bis $9,$9,$24
bis $5,$5,$25
divqu $24,$25,$27
$9127:
srl $10,32,$4
.align 5
$9128:
mulq $27,$5,$1
subq $9,$1,$3
zapnot $3,240,$1
bne $1,$9129
mulq $6,$27,$2
sll $3,32,$1
addq $1,$4,$1
cmpule $2,$1,$2
bne $2,$9129
subq $27,1,$27
br $31,$9128
.align 4
$9129:
mulq $27,$6,$1
mulq $27,$5,$4
srl $1,32,$3
sll $1,32,$1
addq $4,$3,$4
cmpult $10,$1,$2
subq $10,$1,$10
addq $2,$4,$2
cmpult $9,$2,$1
bis $2,$2,$4
beq $1,$9134
addq $9,$11,$9
subq $27,1,$27
$9134:
subl $12,1,$12
subq $9,$4,$9
beq $12,$9124
sll $27,32,$13
sll $9,32,$2
srl $10,32,$1
sll $10,32,$10
bis $2,$1,$9
br $31,$9123
.align 4
$9124:
bis $13,$27,$0
$9136:
ldq $26,0($30)
ldq $9,8($30)
ldq $10,16($30)
ldq $11,24($30)
ldq $12,32($30)
ldq $13,40($30)
addq $30,48,$30
ret $31,($26),1
.end bn_div_words
EOF
&asm_add($data);
}
1;