diff options
Diffstat (limited to 'gcc/config/mips/mips.md')
| -rw-r--r-- | gcc/config/mips/mips.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 6dde18bf372..81c5cd38e38 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -10416,3 +10416,27 @@ move\\t%0,%z4\\n\\ [(set_attr "type" "branch") (set_attr "mode" "none") (set_attr "length" "2")]) + +;; For the rare case where we need to load an address into a register +;; that can not be recognized by the normal movsi/addsi instructions. +;; I have no idea how many insns this can actually generate. It should +;; be rare, so over-estimating as 10 instructions should not have any +;; real performance impact. +(define_insn "leasi" + [(set (match_operand:SI 0 "register_operand" "=d") + (match_operand:SI 1 "address_operand" "p"))] + "Pmode == SImode" + "la %0,%a1" + [(set_attr "type" "arith") + (set_attr "mode" "SI") + (set_attr "length" "10")]) + +;; Similarly for targets where we have 64bit pointers. +(define_insn "leadi" + [(set (match_operand:DI 0 "register_operand" "=d") + (match_operand:DI 1 "address_operand" "p"))] + "Pmode == DImode" + "la %0,%a1" + [(set_attr "type" "arith") + (set_attr "mode" "DI") + (set_attr "length" "10")]) |