optimize archlab
This commit is contained in:
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@ -1,263 +0,0 @@
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#######################################################################
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# Test for copying block of size 63;
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#######################################################################
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.pos 0
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main: irmovq Stack, %rsp # Set up stack pointer
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# Set up arguments for copy function and then invoke it
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irmovq $63, %rdx # src and dst have 63 elements
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irmovq dest, %rsi # dst array
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irmovq src, %rdi # src array
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call ncopy
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halt # should halt with num nonzeros in %rax
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StartFun:
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#/* $begin ncopy-ys */
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##################################################################
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# ncopy.ys - Copy a src block of len words to dst.
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# Return the number of positive words (>0) contained in src.
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#
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# Include your name and ID here.
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#
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# Describe how and why you modified the baseline code.
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#
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##################################################################
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# Do not modify this portion
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# Function prologue.
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# %rdi = src, %rsi = dst, %rdx = len
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ncopy:
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##################################################################
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# You can modify this portion
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# Loop header
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xorq %rax,%rax # count = 0;
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iaddq $0xfffffffffffffffc, %rdx
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jle Tail # if so, goto Done:
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Loop1:
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mrmovq (%rdi), %r10 # read val from src...
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rmmovq %r10, (%rsi) # ...and store it to dst
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andq %r10, %r10 # val <= 0?
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jle Npos1 # if so, goto Npos:
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iaddq $1, %rax # count++
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Npos1:
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mrmovq 8(%rdi), %r10 # read val from src...
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rmmovq %r10, 8(%rsi) # ...and store it to dst
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andq %r10, %r10 # val <= 0?
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jle Npos2 # if so, goto Npos:
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iaddq $1, %rax # count++
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Npos2:
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mrmovq 16(%rdi), %r10 # read val from src...
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rmmovq %r10, 16(%rsi) # ...and store it to dst
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andq %r10, %r10 # val <= 0?
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jle Npos3 # if so, goto Npos:
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iaddq $1, %rax # count++
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Npos3:
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mrmovq 24(%rdi), %r10 # read val from src...
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rmmovq %r10, 24(%rsi) # ...and store it to dst
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andq %r10, %r10 # val <= 0?
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jle Npos4 # if so, goto Npos:
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iaddq $1, %rax # count++
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Npos4:
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mrmovq 32(%rdi), %r10 # read val from src...
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rmmovq %r10, 32(%rsi) # ...and store it to dst
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andq %r10, %r10 # val <= 0?
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jle Npos5 # if so, goto Npos:
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iaddq $1, %rax # count++
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Npos5:
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iaddq $40, %rdi # src++
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iaddq $40, %rsi # dst++
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iaddq $0xfffffffffffffffb, %rdx # len--
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jg Loop1
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Tail:
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iaddq $4, %rdx
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jle Done
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Loop2:
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mrmovq (%rdi), %r10
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rmmovq %r10, (%rsi)
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andq %r10, %r10
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jle NposT
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iaddq $1, %rax
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NposT:
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iaddq $8, %rdi
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iaddq $8, %rsi
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iaddq $0xffffffffffffffff, %rdx
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jg Loop2
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##################################################################
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# Do not modify the following section of code
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# Function epilogue.
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Done:
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ret
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##################################################################
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# Keep the following label at the end of your function
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End:
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#/* $end ncopy-ys */
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EndFun:
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###############################
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# Source and destination blocks
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###############################
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.align 8
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src:
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.quad 1
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.quad 2
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.quad -3
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.quad -4
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.quad -5
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.quad 6
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.quad -7
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.quad 8
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.quad 9
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.quad -10
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.quad 11
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.quad 12
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.quad -13
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.quad 14
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.quad -15
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.quad 16
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.quad -17
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.quad -18
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.quad 19
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.quad -20
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.quad 21
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.quad -22
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.quad -23
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.quad -24
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.quad -25
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.quad -26
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.quad 27
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.quad -28
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.quad -29
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.quad -30
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.quad 31
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.quad -32
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.quad 33
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.quad -34
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.quad 35
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.quad 36
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.quad -37
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.quad 38
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.quad 39
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.quad 40
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.quad 41
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.quad -42
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.quad 43
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.quad 44
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.quad 45
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.quad 46
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.quad 47
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.quad 48
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.quad 49
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.quad 50
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.quad 51
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.quad -52
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.quad -53
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.quad 54
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.quad -55
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.quad -56
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.quad 57
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.quad -58
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.quad -59
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.quad -60
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.quad -61
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.quad -62
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.quad -63
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.quad 0xbcdefa # This shouldn't get moved
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.align 16
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Predest:
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.quad 0xbcdefa
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dest:
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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.quad 0xcdefab
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Postdest:
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.quad 0xdefabc
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.align 8
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# Run time stack
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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Stack:
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@ -24,73 +24,63 @@ Loop:
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mrmovq (%rdi), %r10
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rmmovq %r10, (%rsi)
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andq %r10, %r10
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jle Npos1
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jle F1
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iaddq $1, %rax
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Npos1:
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F1:
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mrmovq 8(%rdi), %r10
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rmmovq %r10, 8(%rsi)
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andq %r10, %r10
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jle Npos2
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jle F2
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iaddq $1, %rax
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Npos2:
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F2:
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mrmovq 16(%rdi), %r10
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rmmovq %r10, 16(%rsi)
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andq %r10, %r10
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jle Npos3
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jle F3
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iaddq $1, %rax
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Npos3:
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F3:
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mrmovq 24(%rdi), %r10
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rmmovq %r10, 24(%rsi)
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andq %r10, %r10
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jle Npos4
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jle F4
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iaddq $1, %rax
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Npos4:
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F4:
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mrmovq 32(%rdi), %r10
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rmmovq %r10, 32(%rsi)
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andq %r10, %r10
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jle Npos5
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jle F5
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iaddq $1, %rax
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Npos5:
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F5:
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mrmovq 40(%rdi), %r10
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rmmovq %r10, 40(%rsi)
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andq %r10, %r10
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jle Npos6
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jle F6
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iaddq $1, %rax
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Npos6:
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F6:
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mrmovq 48(%rdi), %r10
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rmmovq %r10, 48(%rsi)
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andq %r10, %r10
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jle Npos7
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jle F7
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iaddq $1, %rax
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Npos7:
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F7:
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mrmovq 56(%rdi), %r10
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rmmovq %r10, 56(%rsi)
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andq %r10, %r10
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jle Npos8
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jle F8
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iaddq $1, %rax
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Npos8:
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F8:
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mrmovq 64(%rdi), %r10
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rmmovq %r10, 64(%rsi)
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andq %r10, %r10
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jle Npos9
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jle F9
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iaddq $1, %rax
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Npos9:
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F9:
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mrmovq 72(%rdi), %r10
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rmmovq %r10, 72(%rsi)
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andq %r10, %r10
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jle Npos10
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jle F10
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iaddq $1, %rax
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Npos10:
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F10:
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iaddq $80, %rdi
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iaddq $80, %rsi
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iaddq $0xfffffffffffffff6, %rdx
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@ -176,7 +166,6 @@ J1:
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# Function epilogue.
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Done:
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ret
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##################################################################
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# Keep the following label at the end of your function
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End:
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@ -51,6 +51,9 @@ wordsig RNONE 'REG_NONE' # Special value indicating "no register"
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##### ALU Functions referenced explicitly ##########################
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wordsig ALUADD 'A_ADD' # ALU should add its arguments
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##### Jump conditions referenced explicitly
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wordsig UNCOND 'C_YES' # Unconditional transfer
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##### Possible instruction status values #####
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wordsig SBUB 'STAT_BUB' # Bubble in stage
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wordsig SAOK 'STAT_AOK' # Normal execution
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@ -76,6 +79,7 @@ boolsig imem_error 'imem_error' # Error signal from instruction memory
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boolsig instr_valid 'instr_valid' # Is fetched instruction valid?
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##### Pipeline Register D ##########################################
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wordsig D_stat 'if_id_curr->status' # Instruction status
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wordsig D_icode 'if_id_curr->icode' # Instruction code
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wordsig D_rA 'if_id_curr->ra' # rA field from instruction
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wordsig D_rB 'if_id_curr->rb' # rB field from instruction
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@ -135,12 +139,14 @@ wordsig W_valM 'mem_wb_curr->valm' # Memory M value
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## What address should instruction be fetched at
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word f_pc = [
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# Mispredicted branch. Fetch at incremented PC
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M_icode == IJXX && !M_Cnd : M_valA;
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# Completion of RET instruction
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# Completion of RET instruction
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W_icode == IRET : W_valM;
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# Default: Use predicted value of PC
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1 : F_predPC;
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M_icode != IJXX || M_ifun == UNCOND : F_predPC;
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# Mispredicted branch. Fetch at incremented PC
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M_valA < M_valE && M_Cnd && D_stat == SBUB : M_valE;
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M_valA > M_valE && !M_Cnd && D_stat == SBUB : M_valA;
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1 : F_predPC;
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];
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## Determine icode of fetched instruction
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@ -179,7 +185,8 @@ bool need_valC =
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# Predict next value of PC
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word f_predPC = [
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f_icode in { IJXX, ICALL } : f_valC;
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f_icode == ICALL ||
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f_icode == IJXX && (f_ifun == UNCOND || f_valC < f_valP) : f_valC;
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1 : f_valP;
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];
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@ -239,7 +246,7 @@ word d_valB = [
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## Select input A to ALU
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word aluA = [
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E_icode in { IRRMOVQ, IOPQ } : E_valA;
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E_icode in { IIRMOVQ, IRMMOVQ, IMRMOVQ, IIADDQ } : E_valC;
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E_icode in { IIRMOVQ, IRMMOVQ, IMRMOVQ, IIADDQ, IJXX } : E_valC;
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E_icode in { ICALL, IPUSHQ } : -8;
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E_icode in { IRET, IPOPQ } : 8;
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# Other instructions don't need ALU
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@ -249,7 +256,7 @@ word aluA = [
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word aluB = [
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E_icode in { IRMMOVQ, IMRMOVQ, IOPQ, ICALL,
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IPUSHQ, IRET, IPOPQ, IIADDQ } : E_valB;
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E_icode in { IRRMOVQ, IIRMOVQ } : 0;
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E_icode in { IRRMOVQ, IIRMOVQ, IJXX } : 0;
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# Other instructions don't need ALU
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];
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@ -329,7 +336,10 @@ bool F_stall =
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E_dstM in { d_srcA, d_srcB } &&
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!(D_icode in { IPUSHQ, IRMMOVQ } && E_dstM == d_srcA) ||
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# Stalling at fetch while ret passes through pipeline
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IRET in { D_icode, E_icode, M_icode };
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IRET in { D_icode, E_icode, M_icode } &&
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!(E_icode == IJXX && E_ifun != UNCOND &&
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(E_valA < e_valE && e_Cnd ||
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E_valA > e_valE && !e_Cnd));
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# Should I stall or inject a bubble into Pipeline Register D?
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# At most one of these can be true.
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@ -342,7 +352,9 @@ bool D_stall =
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bool D_bubble =
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# Mispredicted branch
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(E_icode == IJXX && !e_Cnd) ||
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(E_icode == IJXX && E_ifun != UNCOND &&
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(E_valA < e_valE && e_Cnd && F_predPC != e_valE ||
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E_valA > e_valE && !e_Cnd && F_predPC != E_valA)) ||
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# Stalling at fetch while ret passes through pipeline
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# but not condition for a load/use hazard
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!(E_icode in { IMRMOVQ, IPOPQ } &&
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@ -355,7 +367,9 @@ bool D_bubble =
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bool E_stall = 0;
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bool E_bubble =
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# Mispredicted branch
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(E_icode == IJXX && !e_Cnd) ||
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(E_icode == IJXX && E_ifun != UNCOND &&
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(E_valA < e_valE && e_Cnd ||
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E_valA > e_valE && !e_Cnd)) ||
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# Conditions for a load/use hazard
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## Set this to the new load/use condition
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E_icode in { IMRMOVQ, IPOPQ } &&
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@ -1,145 +0,0 @@
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#######################################################################
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# Test for copying block of size 4;
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#######################################################################
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.pos 0
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main: irmovq Stack, %rsp # Set up stack pointer
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# Set up arguments for copy function and then invoke it
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irmovq $4, %rdx # src and dst have 4 elements
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irmovq dest, %rsi # dst array
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irmovq src, %rdi # src array
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call ncopy
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halt # should halt with num nonzeros in %rax
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StartFun:
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#/* $begin ncopy-ys */
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##################################################################
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# ncopy.ys - Copy a src block of len words to dst.
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# Return the number of positive words (>0) contained in src.
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#
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# Include your name and ID here.
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||||
#
|
||||
# Describe how and why you modified the baseline code.
|
||||
#
|
||||
##################################################################
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# Do not modify this portion
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# Function prologue.
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# %rdi = src, %rsi = dst, %rdx = len
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ncopy:
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##################################################################
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# You can modify this portion
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# Loop header
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||||
xorq %rax,%rax # count = 0;
|
||||
iaddq $0xfffffffffffffffc, %rdx
|
||||
jle Tail # if so, goto Done:
|
||||
|
||||
Loop1:
|
||||
mrmovq (%rdi), %r10 # read val from src...
|
||||
rmmovq %r10, (%rsi) # ...and store it to dst
|
||||
andq %r10, %r10 # val <= 0?
|
||||
jle Npos1 # if so, goto Npos:
|
||||
iaddq $1, %rax # count++
|
||||
Npos1:
|
||||
|
||||
mrmovq 8(%rdi), %r10 # read val from src...
|
||||
rmmovq %r10, 8(%rsi) # ...and store it to dst
|
||||
andq %r10, %r10 # val <= 0?
|
||||
jle Npos2 # if so, goto Npos:
|
||||
iaddq $1, %rax # count++
|
||||
Npos2:
|
||||
|
||||
mrmovq 16(%rdi), %r10 # read val from src...
|
||||
rmmovq %r10, 16(%rsi) # ...and store it to dst
|
||||
andq %r10, %r10 # val <= 0?
|
||||
jle Npos3 # if so, goto Npos:
|
||||
iaddq $1, %rax # count++
|
||||
Npos3:
|
||||
|
||||
mrmovq 24(%rdi), %r10 # read val from src...
|
||||
rmmovq %r10, 24(%rsi) # ...and store it to dst
|
||||
andq %r10, %r10 # val <= 0?
|
||||
jle Npos4 # if so, goto Npos:
|
||||
iaddq $1, %rax # count++
|
||||
Npos4:
|
||||
|
||||
mrmovq 32(%rdi), %r10 # read val from src...
|
||||
rmmovq %r10, 32(%rsi) # ...and store it to dst
|
||||
andq %r10, %r10 # val <= 0?
|
||||
jle Npos5 # if so, goto Npos:
|
||||
iaddq $1, %rax # count++
|
||||
Npos5:
|
||||
|
||||
iaddq $40, %rdi # src++
|
||||
iaddq $40, %rsi # dst++
|
||||
iaddq $0xfffffffffffffffb, %rdx # len--
|
||||
jg Loop1
|
||||
|
||||
Tail:
|
||||
iaddq $4, %rdx
|
||||
jle Done
|
||||
Loop2:
|
||||
mrmovq (%rdi), %r10
|
||||
rmmovq %r10, (%rsi)
|
||||
andq %r10, %r10
|
||||
jle NposT
|
||||
iaddq $1, %rax
|
||||
NposT:
|
||||
iaddq $8, %rdi
|
||||
iaddq $8, %rsi
|
||||
iaddq $0xffffffffffffffff, %rdx
|
||||
jg Loop2
|
||||
|
||||
|
||||
##################################################################
|
||||
# Do not modify the following section of code
|
||||
# Function epilogue.
|
||||
Done:
|
||||
ret
|
||||
##################################################################
|
||||
# Keep the following label at the end of your function
|
||||
End:
|
||||
#/* $end ncopy-ys */
|
||||
EndFun:
|
||||
|
||||
###############################
|
||||
# Source and destination blocks
|
||||
###############################
|
||||
.align 8
|
||||
src:
|
||||
.quad 1
|
||||
.quad -2
|
||||
.quad 3
|
||||
.quad -4
|
||||
.quad 0xbcdefa # This shouldn't get moved
|
||||
|
||||
.align 16
|
||||
Predest:
|
||||
.quad 0xbcdefa
|
||||
dest:
|
||||
.quad 0xcdefab
|
||||
.quad 0xcdefab
|
||||
.quad 0xcdefab
|
||||
.quad 0xcdefab
|
||||
Postdest:
|
||||
.quad 0xdefabc
|
||||
|
||||
.align 8
|
||||
# Run time stack
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
.quad 0
|
||||
|
||||
Stack:
|
||||
Loading…
x
Reference in New Issue
Block a user