diff options
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index f45803e..69ad207 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -78,7 +78,6 @@ static htab_t cselib_hash_table; /* This is a global so we don't have to pass this through every function. It is used in new_elt_loc_list to set SETTING_INSN. */ static rtx cselib_current_insn; -static bool cselib_current_insn_in_libcall; /* Every new unknown value gets a unique number. */ static unsigned int next_unknown_value; @@ -160,7 +159,6 @@ new_elt_loc_list (struct elt_loc_list *next, rtx loc) el->next = next; el->loc = loc; el->setting_insn = cselib_current_insn; - el->in_libcall = cselib_current_insn_in_libcall; return el; } @@ -1655,8 +1653,6 @@ cselib_process_insn (rtx insn) int i; rtx x; - if (find_reg_note (insn, REG_LIBCALL, NULL)) - cselib_current_insn_in_libcall = true; cselib_current_insn = insn; /* Forget everything at a CODE_LABEL, a volatile asm, or a setjmp. */ @@ -1667,16 +1663,12 @@ cselib_process_insn (rtx insn) && GET_CODE (PATTERN (insn)) == ASM_OPERANDS && MEM_VOLATILE_P (PATTERN (insn)))) { - if (find_reg_note (insn, REG_RETVAL, NULL)) - cselib_current_insn_in_libcall = false; cselib_clear_table (); return; } if (! INSN_P (insn)) { - if (find_reg_note (insn, REG_RETVAL, NULL)) - cselib_current_insn_in_libcall = false; cselib_current_insn = 0; return; } @@ -1719,8 +1711,6 @@ cselib_process_insn (rtx insn) if (GET_CODE (XEXP (x, 0)) == CLOBBER) cselib_invalidate_rtx (XEXP (XEXP (x, 0), 0)); - if (find_reg_note (insn, REG_RETVAL, NULL)) - cselib_current_insn_in_libcall = false; cselib_current_insn = 0; if (n_useless_values > MAX_USELESS_VALUES @@ -1769,7 +1759,6 @@ cselib_init (bool record_memory) n_used_regs = 0; cselib_hash_table = htab_create (31, get_value_hash, entry_and_rtx_equal_p, NULL); - cselib_current_insn_in_libcall = false; } /* Called when the current user is done with cselib. */ |