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Diffstat (limited to 'gcc/testsuite/gcc.dg/sms-8.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/sms-8.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/sms-8.c b/gcc/testsuite/gcc.dg/sms-8.c new file mode 100644 index 000000000..afac55dad --- /dev/null +++ b/gcc/testsuite/gcc.dg/sms-8.c @@ -0,0 +1,41 @@ +/* This test is a reduced test case for a bug that caused + bootstrapping with -fmodulo-sched. Related to a broken anti-dep + that was not fixed by reg-moves. */ + + /* { dg-do run } */ + /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */ + +extern void abort (void); + +__attribute__ ((noinline)) +unsigned long long +foo (long long ixi, unsigned ctr) +{ + unsigned long long irslt = 1; + long long ix = ixi; + + for (; ctr; ctr--) + { + irslt *= ix; + ix *= ix; + } + + if (irslt != 14348907) + abort (); + return irslt; +} + + +int +main () +{ + unsigned long long res; + + res = foo (3, 4); + return 0; +} + +/* { dg-final { scan-rtl-dump-times "SMS succeeded" 1 "sms" { target powerpc*-*-* } } } */ +/* { dg-final { cleanup-rtl-dump "sms" } } */ + + |