diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -7176,8 +7176,10 @@ 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 - && SET_DEST (PATTERN (insn)) == SET_SRC (PATTERN (insn))) + 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)))) ; #ifdef HAVE_cc0 @@ -7207,8 +7209,9 @@ delete_trivially_dead_insns (insns, nreg) if (GET_CODE (elt) == SET) { - if (GET_CODE (SET_DEST (elt)) == REG - && SET_DEST (elt) == SET_SRC (elt)) + if ((GET_CODE (SET_DEST (elt)) == REG + || GET_CODE (SET_DEST (elt)) == SUBREG) + && rtx_equal_p (SET_DEST (elt), SET_SRC (elt))) ; #ifdef HAVE_cc0 |