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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c')
-rw-r--r--gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c b/gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c
new file mode 100644
index 000000000..7e8b200c6
--- /dev/null
+++ b/gcc-4.4.3/gcc/testsuite/gcc.target/i386/clobbers.c
@@ -0,0 +1,35 @@
+/* Test asm clobbers on x86. */
+
+/* { dg-do run } */
+/* { dg-skip-if "" { ilp32 } { "-fpic" "-fPIC" } { "" } } */
+
+extern void abort (void);
+
+int main ()
+{
+ int i;
+ __asm__ ("movl $1,%0\n\txorl %%eax,%%eax" : "=r" (i) : : "eax");
+ if (i != 1)
+ abort ();
+ /* On darwin you can't call external functions from non-pic code,
+ however, clobbering ebx isn't valid in pic code. Instead of
+ disabling the whole test, just disable the ebx clobbering part. */
+#if !(defined (__MACH__))
+ __asm__ ("movl $1,%0\n\txorl %%ebx,%%ebx" : "=r" (i) : : "ebx");
+ if (i != 1)
+ abort ();
+#endif
+ __asm__ ("movl $1,%0\n\txorl %%ecx,%%ecx" : "=r" (i) : : "ecx");
+ if (i != 1)
+ abort ();
+ __asm__ ("movl $1,%0\n\txorl %%edx,%%edx" : "=r" (i) : : "edx");
+ if (i != 1)
+ abort ();
+ __asm__ ("movl $1,%0\n\txorl %%esi,%%esi" : "=r" (i) : : "esi");
+ if (i != 1)
+ abort ();
+ __asm__ ("movl $1,%0\n\txorl %%edi,%%edi" : "=r" (i) : : "edi");
+ if (i != 1)
+ abort ();
+ return 0;
+}