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git subrepo pull --force deps/lightrec
[pcsx_rearmed.git]
/
deps
/
lightning
/
check
/
fib.tst
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.data 32
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format:
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.c "nfibs(%d) = %d\n"
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.code
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jmpi main
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name nfibs
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nfibs:
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prolog
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arg $in
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getarg %r0 $in // R0 = n
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beqi ref %r0 0
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movr %r1 %r0
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movi %r0 1
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blei_u ref %r1 2
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subi %r2 %r1 2
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movr %r1 %r0
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loop:
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subi %r2 %r2 1 // decr. counter
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movr %v0 %r0 // V0 = R0
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addr %r0 %r0 %r1 // R0 = R0 + R1
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movr %r1 %v0 // R1 = V0
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bnei loop %r2 0 // if (R2) goto loop
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ref:
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retr %r0 // RET = R0
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epilog
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name main
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main:
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prolog
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arg $argc
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arg $argv
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getarg %r0 $argc
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blei default %r0 1
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getarg %r0 $argv
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addi %r0 %r0 $(__WORDSIZE >> 3)
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ldr %r0 %r0
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prepare
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pushargr %r0
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finishi @atoi
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retval %r0
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jmpi call
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default:
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movi %r0 32
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call:
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movr %v0 %r0
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prepare
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pushargr %r0
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finishi nfibs
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retval %r0
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prepare
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pushargi format
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ellipsis
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pushargr %v0
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pushargr %r0
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finishi @printf
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ret
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epilog