Mercurial > repos > blastem
annotate test_arm.c @ 752:296ddfcf0d43
Minor cleanup in init_run_cpu
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 22 Jun 2015 22:00:44 -0700 |
parents | 474270dbff15 |
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1af6c1052993
Added untested code for generating ARM machine code
Mike Pavone <pavone@retrodev.com>
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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; |
1af6c1052993
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11 subi(&code, r0, r0, 2, SET_COND); |
1af6c1052993
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12 movi_cc(&code, r0, 1, NO_COND, CC_LT); |
1af6c1052993
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13 bx_cc(&code, lr, CC_LT); |
1af6c1052993
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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); |
1af6c1052993
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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); |
554
474270dbff15
Fix ARM code generation and test program
Michael Pavone <pavone@retrodev.com>
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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 } |