diff options
Diffstat (limited to 'gcc-4.8/gcc/cselib.c')
| -rw-r--r-- | gcc-4.8/gcc/cselib.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc-4.8/gcc/cselib.c b/gcc-4.8/gcc/cselib.c index f2021b985..1e59f3a1b 100644 --- a/gcc-4.8/gcc/cselib.c +++ b/gcc-4.8/gcc/cselib.c @@ -2260,8 +2260,8 @@ cselib_invalidate_mem (rtx mem_rtx) continue; } if (num_mems < PARAM_VALUE (PARAM_MAX_CSELIB_MEMORY_LOCATIONS) - && ! canon_true_dependence (mem_rtx, GET_MODE (mem_rtx), - mem_addr, x, NULL_RTX)) + && ! canon_anti_dependence (x, false, mem_rtx, + GET_MODE (mem_rtx), mem_addr)) { has_mem = true; num_mems++; @@ -2623,12 +2623,13 @@ cselib_process_insn (rtx insn) cselib_current_insn = insn; - /* Forget everything at a CODE_LABEL, a volatile insn, or a setjmp. */ + /* Forget everything at a CODE_LABEL, a volatile asm, or a setjmp. */ if ((LABEL_P (insn) || (CALL_P (insn) && find_reg_note (insn, REG_SETJMP, NULL)) || (NONJUMP_INSN_P (insn) - && volatile_insn_p (PATTERN (insn)))) + && GET_CODE (PATTERN (insn)) == ASM_OPERANDS + && MEM_VOLATILE_P (PATTERN (insn)))) && !cselib_preserve_constants) { cselib_reset_table (next_uid); |