summaryrefslogtreecommitdiffstats
path: root/tests/bcj_test.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tests/bcj_test.c65
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;
-}