diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tls/thr-cse-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tls/thr-cse-1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tls/thr-cse-1.c b/gcc/testsuite/gcc.dg/tls/thr-cse-1.c new file mode 100644 index 000000000..95d3b4580 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tls/thr-cse-1.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O1" } */ +/* { dg-require-effective-target tls_emulated } */ + +/* Test that we only get one call to emutls_get_address when CSE is + active. Note that the var _must_ be initialized for the scan asm + to work, since otherwise there will be an initializer which will, + correctly, call emutls_get_address. */ +int foo (int b, int c, int d) +{ + static __thread int a=1; + a += b; + a -= c; + a += d; + return a; +} + +/* { dg-final { scan-assembler-not "emutls_get_address.*emutls_get_address.*" { target { ! { "*-wrs-vxworks" "*-*-darwin8" "hppa*-*-hpux*" "spu-*-*" } } } } } */ +/* { dg-final { scan-assembler-not "call\tL___emutls_get_address.stub.*call\tL___emutls_get_address.stub.*" { target "*-*-darwin8" } } } */ +/* { dg-final { scan-assembler-not "(b,l|bl) __emutls_get_address.*(b,l|bl) __emutls_get_address.*" { target "hppa*-*-hpux*" } } } */ +/* { dg-final { scan-assembler-not "(brsl|brasl)\t__emutls_get_address.*(brsl|brasl)\t__emutls_get_address.*" { target spu-*-* } } } */ +/* { dg-final { scan-assembler-not "tls_lookup.*tls_lookup.*" { target *-wrs-vxworks } } } */ + |