8q.sbk

Unix下具有工业品质的流行C编译器。lcc中运用许多现代编译理论成果

.set reorder
.globl main
.text
.text
.align 2
.ent main
main:
.frame $sp,32,$31
.set noreorder
.cpload $25
.set reorder
addu $sp,$sp,-32
.mask 0xc2000000,-8
.cprestore 16
sw $30,20($sp)
sw $31,24($sp)
move $30,$0
L.2:
sll $24,$30,2
la $15,1
sw $15,down($24)
sw $15,up($24)
L.3:
la $30,1($30)
la $24,15
blt $30,$24,L.2
move $30,$0
L.6:
sll $24,$30,2
la $15,1
sw $15,rows($24)
L.7:
la $30,1($30)
la $24,8
blt $30,$24,L.6
move $4,$0
jal queens
move $2,$0
L.1:
lw $25,16($sp)
lw $30,20($sp)
lw $31,24($sp)
addu $sp,$sp,32
j $31
.end main
.globl queens
.text
.align 2
.ent queens
queens:
.frame $sp,32,$31
.set noreorder
.cpload $25
.set reorder
addu $sp,$sp,-32
.mask 0xc2800000,-4
sw $23,16($sp)
.cprestore 20
sw $30,24($sp)
sw $31,28($sp)
move $30,$4
move $23,$0
L.11:
sll $15,$23,2
lw $15,rows($15)
beq $15,$0,L.15
subu $15,$23,$30
sll $15,$15,2
lw $15,up+28($15)
beq $15,$0,L.15
addu $15,$23,$30
sll $15,$15,2
lw $15,down($15)
beq $15,$0,L.15
addu $15,$23,$30
sll $15,$15,2
sw $0,down($15)
subu $15,$23,$30
sll $15,$15,2
sw $0,up+28($15)
sll $15,$23,2
sw $0,rows($15)
sll $24,$30,2
sw $23,x($24)
la $24,7
bne $30,$24,L.19
jal print
b L.20
L.19:
la $4,1($30)
jal queens
L.20:
la $24,1
addu $15,$23,$30
sll $15,$15,2
sw $24,down($15)
subu $15,$23,$30
sll $15,$15,2
sw $24,up+28($15)
sll $15,$23,2
sw $24,rows($15)
L.15:
L.12:
la $23,1($23)
la $24,8
blt $23,$24,L.11
move $2,$0
L.10:
lw $23,16($sp)
lw $25,20($sp)
lw $30,24($sp)
lw $31,28($sp)
addu $sp,$sp,32
j $31
.end queens
.globl print
.text
.align 2
.ent print
print:
.frame $sp,32,$31
.set noreorder
.cpload $25
.set reorder
addu $sp,$sp,-32
.mask 0xc2000000,-8
.cprestore 16
sw $30,20($sp)
sw $31,24($sp)
move $30,$0
L.23:
la $4,L.27
sll $24,$30,2
lw $24,x($24)
la $5,49($24)
jal printf
L.24:
la $30,1($30)
la $24,8
blt $30,$24,L.23
la $4,L.28
jal printf
move $2,$0
L.22:
lw $25,16($sp)
lw $30,20($sp)
lw $31,24($sp)
addu $sp,$sp,32
j $31
.end print
.globl x
.comm x,32
.globl rows
.comm rows,32
.globl down
.comm down,60
.globl up
.comm up,60
.rdata
.align 0
L.28:
.byte 10
.byte 0
.align 0
L.27:
.byte 37
.byte 99
.byte 32
.byte 0