diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -5534,9 +5534,10 @@ cse_insn (rtx insn, rtx libcall_insn) else if (constant_pool_entries_cost && CONSTANT_P (trial) - /* Reject cases that will abort in decode_rtx_const. - On the alpha when simplifying a switch, we get - (const (truncate (minus (label_ref) (label_ref)))). */ + /* Reject cases that will cause decode_rtx_const to + die. On the alpha when simplifying a switch, we + get (const (truncate (minus (label_ref) + (label_ref)))). */ && ! (GET_CODE (trial) == CONST && GET_CODE (XEXP (trial, 0)) == TRUNCATE) /* Likewise on IA-64, except without the truncate. */ |