diff options
Diffstat (limited to 'gcc/config/mips/mips.md')
| -rw-r--r-- | gcc/config/mips/mips.md | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 19049af2ee3..f94283712df 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -29,10 +29,11 @@ ;; UNSPEC values used in mips.md ;; Number USE ;; 0 movsi_ul -;; 1 movsi_us, get_fnaddr +;; 1 movsi_usw, get_fnaddr ;; 2 reload_in*, reload_out* : sets delay on HILO register ;; 3 eh_set_return ;; 20 builtin_setjmp_setup +;; 111 movdi_usd ;; ;; UNSPEC_VOLATILE values ;; 0 blockage @@ -135,6 +136,18 @@ (const_string "yes") (const_string "no"))) +;; Can the instruction be put into a delay slot? +(define_attr "can_delay" "no,yes" + (if_then_else (and (eq_attr "dslot" "no") + ; ADJUST_INSN_LENGTH divides length by 2 on mips16, + ; so cope with it here. + (ior (and (eq (symbol_ref "mips16") (const_int 0)) + (eq_attr "length" "4")) + (and (ne (symbol_ref "mips16") (const_int 0)) + (eq_attr "length" "2")))) + (const_string "yes") + (const_string "no"))) + ;; Attribute defining whether or not we can use the branch-likely instructions (define_attr "branch_likely" "no,yes" @@ -162,30 +175,19 @@ (define_delay (and (eq_attr "type" "branch") (eq (symbol_ref "mips16") (const_int 0))) - [(and (eq_attr "dslot" "no") (eq_attr "length" "4")) + [(eq_attr "can_delay" "yes") (nil) (and (eq_attr "branch_likely" "yes") (and (eq_attr "dslot" "no") (eq_attr "length" "4")))]) (define_delay (eq_attr "type" "jump") - [(and (eq_attr "dslot" "no") - ;; ADJUST_INSN_LENGTH divides length by 2 on mips16, so cope - ;; with it here. It doesn't matter for branches above, - ;; because mips16 branches don't have delay slots anyway. - (ior (and (eq (symbol_ref "mips16") (const_int 0)) - (eq_attr "length" "4")) - (and (ne (symbol_ref "mips16") (const_int 0)) - (eq_attr "length" "2")))) + [(eq_attr "can_delay" "yes") (nil) (nil)]) (define_delay (and (eq_attr "type" "call") (eq_attr "abicalls" "no")) - [(and (eq_attr "dslot" "no") - (ior (and (eq (symbol_ref "mips16") (const_int 0)) - (eq_attr "length" "4")) - (and (ne (symbol_ref "mips16") (const_int 0)) - (eq_attr "length" "2")))) + [(eq_attr "can_delay" "yes") (nil) (nil)]) @@ -4864,7 +4866,7 @@ move\\t%0,%z4\\n\\ (define_insn "movdi_usd" [(set (match_operand:BLK 0 "memory_operand" "=R,o") - (unspec:BLK [(match_operand:DI 1 "reg_or_0_operand" "dJ,dJ")] 1))] + (unspec:BLK [(match_operand:DI 1 "reg_or_0_operand" "dJ,dJ")] 111))] "" "* { @@ -4880,7 +4882,7 @@ move\\t%0,%z4\\n\\ if ((INTVAL (offset) & 7) == 0 && (mem_addr == stack_pointer_rtx || mem_addr == frame_pointer_rtx)) - return \"sd\\t%1,%0\"; + return \"sd\\t%z1,%0\"; return \"usd\\t%z1,%0\"; }" @@ -5767,7 +5769,8 @@ move\\t%0,%z4\\n\\ "" "" [(set_attr "type" "nop") - (set_attr "mode" "none")]) + (set_attr "mode" "none") + (set_attr "can_delay" "no")]) ;; This insn handles moving CCmode values. It's really just a ;; slightly simplified copy of movsi_internal2, with additional cases |