diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index d5357f0272a..cffa553b525 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -1,5 +1,5 @@ /* Common subexpression elimination for GNU compiler. - Copyright (C) 1987-2013 Free Software Foundation, Inc. + Copyright (C) 1987-2014 Free Software Foundation, Inc. This file is part of GCC. @@ -6090,6 +6090,18 @@ cse_process_notes_1 (rtx x, rtx object, bool *changed) return x; } + case UNSIGNED_FLOAT: + { + rtx new_rtx = cse_process_notes (XEXP (x, 0), object, changed); + /* We don't substitute negative VOIDmode constants into these rtx, + since they would impede folding. */ + if (GET_MODE (new_rtx) != VOIDmode + || (CONST_INT_P (new_rtx) && INTVAL (new_rtx) >= 0) + || (CONST_DOUBLE_P (new_rtx) && CONST_DOUBLE_HIGH (new_rtx) >= 0)) + validate_change (object, &XEXP (x, 0), new_rtx, 0); + return x; + } + case REG: i = REG_QTY (REGNO (x)); @@ -6522,7 +6534,7 @@ cse_main (rtx f ATTRIBUTE_UNUSED, int nregs) { struct cse_basic_block_data ebb_data; basic_block bb; - int *rc_order = XNEWVEC (int, last_basic_block); + int *rc_order = XNEWVEC (int, last_basic_block_for_fn (cfun)); int i, n_blocks; df_set_flags (DF_LR_RUN_DCE); @@ -6551,7 +6563,7 @@ cse_main (rtx f ATTRIBUTE_UNUSED, int nregs) reg_eqv_table = XNEWVEC (struct reg_eqv_elem, nregs); /* Set up the table of already visited basic blocks. */ - cse_visited_basic_blocks = sbitmap_alloc (last_basic_block); + cse_visited_basic_blocks = sbitmap_alloc (last_basic_block_for_fn (cfun)); bitmap_clear (cse_visited_basic_blocks); /* Loop over basic blocks in reverse completion order (RPO), @@ -6564,7 +6576,7 @@ cse_main (rtx f ATTRIBUTE_UNUSED, int nregs) processed before. */ do { - bb = BASIC_BLOCK (rc_order[i++]); + bb = BASIC_BLOCK_FOR_FN (cfun, rc_order[i++]); } while (bitmap_bit_p (cse_visited_basic_blocks, bb->index) && i < n_blocks); @@ -7335,7 +7347,7 @@ cse_condition_code_reg (void) else cc_reg_2 = NULL_RTX; - FOR_EACH_BB (bb) + FOR_EACH_BB_FN (bb, cfun) { rtx last_insn; rtx cc_reg; |