diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -283,6 +283,7 @@ static enum machine_mode this_insn_cc0_mode, prev_insn_cc0_mode; /* Insn being scanned. */ static rtx this_insn; +static bool optimize_this_for_speed_p; /* Index by register number, gives the number of the next (or previous) register in the chain of registers sharing the same @@ -752,7 +753,7 @@ notreg_cost (rtx x, enum rtx_code outer) && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (GET_MODE (x)), GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (x))))) ? 0 - : rtx_cost (x, outer) * 2); + : rtx_cost (x, outer, optimize_this_for_speed_p) * 2); } @@ -5970,6 +5971,7 @@ cse_extended_basic_block (struct cse_basic_block_data *ebb_data) FOR_BB_INSNS (bb, insn) { + optimize_this_for_speed_p = optimize_bb_for_speed_p (bb); /* If we have processed 1,000 insns, flush the hash table to avoid extreme quadratic behavior. We must not include NOTEs in the count since there may be more of them when generating |