diff options
Diffstat (limited to 'gcc/genemit.c')
| -rw-r--r-- | gcc/genemit.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/genemit.c b/gcc/genemit.c index 2d11d2b..5a7f32a 100644 --- a/gcc/genemit.c +++ b/gcc/genemit.c @@ -722,7 +722,7 @@ output_added_clobbers_hard_reg_p () { struct clobber_pat *clobber; struct clobber_ent *ent; - int clobber_p; + int clobber_p, used; printf ("\n\nint\nadded_clobbers_hard_reg_p (insn_code_number)\n"); printf (" int insn_code_number;\n"); @@ -732,12 +732,17 @@ output_added_clobbers_hard_reg_p () for (clobber_p = 0; clobber_p <= 1; clobber_p++) { + used = 0; for (clobber = clobber_list; clobber; clobber = clobber->next) if (clobber->has_hard_reg == clobber_p) for (ent = clobber->insns; ent; ent = ent->next) - printf (" case %d:\n", ent->code_number); + { + printf (" case %d:\n", ent->code_number); + used++; + } - printf (" return %d;\n\n", clobber_p); + if (used) + printf (" return %d;\n\n", clobber_p); } printf (" default:\n"); |