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annotate test_arm.c @ 572:0f32f52fc98e

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Make some small changes in trans so that it is more likely to produce the same output as mustrans when given misbehaving programs. Add lea to testcases.txt. Improve the output of comparetest.py so that known issues can easily be separated from new ones.
author Michael Pavone <pavone@retrodev.com>
date Mon, 03 Mar 2014 21:08:43 -0800
parents 474270dbff15
children
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1af6c1052993 Added untested code for generating ARM machine code
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1 #include <stdio.h>
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2 #include "gen_arm.h"
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3
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4 typedef int32_t (*fib_fun)(int32_t);
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5
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6 int main(int arc, char **argv)
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7 {
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8 code_info code;
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9 init_code_info(&code);
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10 uint32_t *fib = code.cur;
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11 subi(&code, r0, r0, 2, SET_COND);
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12 movi_cc(&code, r0, 1, NO_COND, CC_LT);
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13 bx_cc(&code, lr, CC_LT);
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14 pushm(&code, LR | R4);
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15 mov(&code, r4, r0, NO_COND);
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16 bl(&code, fib);
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17 mov(&code, r1, r0, NO_COND);
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18 addi(&code, r0, r4, 1, NO_COND);
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19 mov(&code, r4, r1, NO_COND);
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20 bl(&code, fib);
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21 add(&code, r0, r4, r0, NO_COND);
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22 popm(&code, LR | R4);
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23 bx(&code, lr);
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24
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25 fib_fun fibc = (fib_fun)fib;
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26 printf("fib(10): %d\n", fibc(10));
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27
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28 return 0;
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29 }