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Diffstat (limited to 'tests/bcj_test.c')
-rw-r--r-- | tests/bcj_test.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/tests/bcj_test.c b/tests/bcj_test.c deleted file mode 100644 index 05de38a..0000000 --- a/tests/bcj_test.c +++ /dev/null @@ -1,65 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////// -// -/// \file bcj_test.c -/// \brief Source code of compress_prepared_bcj_* -/// -/// This is a simple program that should make the compiler to generate -/// PC-relative branches, jumps, and calls. The compiled files can then -/// be used to test the branch conversion filters. Note that this program -/// itself does nothing useful. -/// -/// Compiling: gcc -std=c99 -fPIC -c bcj_test.c -/// Don't optimize or strip. -// -// Author: Lasse Collin -// -// This file has been put into the public domain. -// You can do whatever you want with this file. -// -/////////////////////////////////////////////////////////////////////////////// - -extern int jump(int a, int b); - - -extern int -call(int a, int b) -{ - if (a < b) - a = jump(a, b); - - return a; -} - - -extern int -jump(int a, int b) -{ - // The loop generates conditional jump backwards. - while (1) { - if (a < b) { - a *= 2; - a += 3 * b; - break; - } else { - // Put enough code here to prevent JMP SHORT on x86. - a += b; - a /= 2; - b += b % 5; - a -= b / 3; - b = 2 * b + a - 1; - a *= b + a + 1; - b += a - 1; - a += b * 2 - a / 5; - } - } - - return a; -} - - -int -main(int argc, char **argv) -{ - int a = call(argc, argc + 1); - return a == 0; -} |