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| author | John Wehle <john@feith.com> | 2001-04-04 05:03:29 +0000 |
|---|---|---|
| committer | John Wehle <wehle@gcc.gnu.org> | 2001-04-04 05:03:29 +0000 |
| commit | 7142e318454d40004a3b1b3fe86faf5f1c12fefb (patch) | |
| tree | 540dcb2ec38a4d7571f50545eadd91725b7f7b97 /gcc/cse.c | |
| parent | 0c918ce59cdb3039f78d82bf848a311cac7cc5a3 (diff) | |
| download | gcc-7142e318454d40004a3b1b3fe86faf5f1c12fefb.zip gcc-7142e318454d40004a3b1b3fe86faf5f1c12fefb.tar.gz gcc-7142e318454d40004a3b1b3fe86faf5f1c12fefb.tar.bz2 | |
rtl.h (set_noop_p): Declare.
* rtl.h (set_noop_p): Declare.
* flow.c (set_noop_p): Move from here ...
* rtlanal.c (set_noop_p): ... to here and enhance.
* cse.c (delete_trivially_dead_insns): Use it.
* gcse.c (hash_scan_set): Likewise.
* jump.c (delete_noop_moves): Likewise.
* recog.c (split_all_insns): Likewise.
From-SVN: r41077
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 13 |
1 files changed, 2 insertions, 11 deletions
@@ -7612,14 +7612,7 @@ delete_trivially_dead_insns (insns, nreg) live_insn = ! dead_libcall; else if (GET_CODE (PATTERN (insn)) == SET) { - if ((GET_CODE (SET_DEST (PATTERN (insn))) == REG - || GET_CODE (SET_DEST (PATTERN (insn))) == SUBREG) - && rtx_equal_p (SET_DEST (PATTERN (insn)), - SET_SRC (PATTERN (insn)))) - ; - else if (GET_CODE (SET_DEST (PATTERN (insn))) == STRICT_LOW_PART - && rtx_equal_p (XEXP (SET_DEST (PATTERN (insn)), 0), - SET_SRC (PATTERN (insn)))) + if (set_noop_p (PATTERN (insn))) ; #ifdef HAVE_cc0 @@ -7649,9 +7642,7 @@ delete_trivially_dead_insns (insns, nreg) if (GET_CODE (elt) == SET) { - if ((GET_CODE (SET_DEST (elt)) == REG - || GET_CODE (SET_DEST (elt)) == SUBREG) - && rtx_equal_p (SET_DEST (elt), SET_SRC (elt))) + if (set_noop_p (elt)) ; #ifdef HAVE_cc0 |