diff options
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index 667250c..d1bcf30 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -1141,7 +1141,9 @@ regclass (f, nregs, dump) register int class; register struct costs *p = &costs[i]; - if (!REG_N_REFS (i)) + /* In non-optimizing compilation REG_N_REFS is not initialized + yet. */ + if (optimize && !REG_N_REFS (i)) continue; for (class = (int) ALL_REGS - 1; class > 0; class--) |