diff options
Diffstat (limited to 'gcc/config/aarch64/aarch64.c')
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 6853b0abebd..73ef7e5a554 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -6145,6 +6145,12 @@ aarch64_if_then_else_costs (rtx op0, rtx op1, rtx op2, int *cost, bool speed) || GET_CODE (op1) == NOT || (GET_CODE (op1) == PLUS && XEXP (op1, 1) == const1_rtx)) op1 = XEXP (op1, 0); + else if (GET_CODE (op1) == ZERO_EXTEND && GET_CODE (op2) == ZERO_EXTEND) + { + /* CSEL with zero-extension (*cmovdi_insn_uxtw). */ + op1 = XEXP (op1, 0); + op2 = XEXP (op2, 0); + } *cost += rtx_cost (op1, VOIDmode, IF_THEN_ELSE, 1, speed); *cost += rtx_cost (op2, VOIDmode, IF_THEN_ELSE, 2, speed); @@ -6490,6 +6496,23 @@ aarch64_rtx_costs (rtx x, machine_mode mode, int outer ATTRIBUTE_UNUSED, goto cost_minus; } + if (GET_CODE (op0) == ZERO_EXTRACT && op1 == const0_rtx + && GET_MODE (x) == CC_NZmode && CONST_INT_P (XEXP (op0, 1)) + && CONST_INT_P (XEXP (op0, 2))) + { + /* COMPARE of ZERO_EXTRACT form of TST-immediate. + Handle it here directly rather than going to cost_logic + since we know the immediate generated for the TST is valid + so we can avoid creating an intermediate rtx for it only + for costing purposes. */ + if (speed) + *cost += extra_cost->alu.logical; + + *cost += rtx_cost (XEXP (op0, 0), GET_MODE (op0), + ZERO_EXTRACT, 0, speed); + return true; + } + if (GET_CODE (op1) == NEG) { /* CMN. */ @@ -8898,6 +8921,7 @@ aarch64_process_one_target_attr (char *arg_str, const char* pragma_or_attr) arg++; } const struct aarch64_attribute_info *p_attr; + bool found = false; for (p_attr = aarch64_attributes; p_attr->name; p_attr++) { /* If the names don't match up, or the user has given an argument @@ -8906,6 +8930,7 @@ aarch64_process_one_target_attr (char *arg_str, const char* pragma_or_attr) if (strcmp (str_to_check, p_attr->name) != 0) continue; + found = true; bool attr_need_arg_p = p_attr->attr_type == aarch64_attr_custom || p_attr->attr_type == aarch64_attr_enum; @@ -8985,7 +9010,10 @@ aarch64_process_one_target_attr (char *arg_str, const char* pragma_or_attr) } } - return true; + /* If we reached here we either have found an attribute and validated + it or didn't match any. If we matched an attribute but its arguments + were malformed we will have returned false already. */ + return found; } /* Count how many times the character C appears in |