diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/fpomit-9.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/fpomit-9.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-9.c b/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-9.c new file mode 100644 index 0000000..7c1e8b8 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/fpomit-9.c @@ -0,0 +1,23 @@ +/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ +/* { dg-options "-O2 -fno-omit-frame-pointer -fshrink-wrap-frame-pointer -fno-schedule-insns2" } */ +/* { dg-final { scan-assembler-not "push" } } */ +/* { dg-final { scan-assembler-not "pop" } } */ + +/* Check -fshrink-wrap-frame-pointer can enable omitting leaf frame pointer + if -mno-omit-leaf-frame-pointer is not specified explicitly. */ + +int a[1000], b[1000]; + +void foo() { + int r1, r2, r3, r4; + + r1 = a[1]; + r2 = a[2]; + r3 = a[3]; + r4 = a[4]; + asm volatile ("" : : : "memory"); + b[1] = r1; + b[2] = r2; + b[3] = r3; + b[4] = r4; +} |