diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/pr79439.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pr79439.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/pr79439.c b/gcc/testsuite/gcc.target/powerpc/pr79439.c new file mode 100644 index 00000000000..c9b99871a5e --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr79439.c @@ -0,0 +1,29 @@ +/* { dg-do compile { target { powerpc64*-*-linux* && lp64 } } } */ +/* { dg-options "-O2 -fpic" } */ + +/* On the Linux 64-bit ABIs, we should not eliminate NOP in the 'rec' call if + -fpic is used because rec can be interposed at link time (since it is + external), and the recursive call should call the interposed function. The + Linux 32-bit ABIs do not require NOPs after the BL instruction. */ + +int f (void); + +void +g (void) +{ +} + +int +rec (int a) +{ + int ret = 0; + if (a > 10 && f ()) + ret += rec (a - 1); + g (); + return a + ret; +} + +/* { dg-final { scan-assembler-times {\mbl f\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mbl g\M} 2 } } */ +/* { dg-final { scan-assembler-times {\mbl rec\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mnop\M} 4 } } */ |