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[Hexagon] Simplifying some load and store patterns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Colin LeMahieu 2015-02-04 23:10:21 +00:00
parent 783e0e4b23
commit 18c8166405
1 changed files with 35 additions and 68 deletions
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103
lib/Target/Hexagon/HexagonInstrInfoV4.td
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@ -3864,6 +3864,41 @@ def L2_loadrigp : T_LoadGP<"memw", "LDriw", IntRegs, u16_2Imm, 0b100>;
let accessSize = DoubleWordAccess in
def L2_loadrdgp : T_LoadGP<"memd", "LDrid", DoubleRegs, u16_3Imm, 0b110>;
def: Loada_pat<atomic_load_8, i32, addrgp, L2_loadrubgp>;
def: Loada_pat<atomic_load_16, i32, addrgp, L2_loadruhgp>;
def: Loada_pat<atomic_load_32, i32, addrgp, L2_loadrigp>;
def: Loada_pat<atomic_load_64, i64, addrgp, L2_loadrdgp>;
// Map from load(globaladdress) -> mem[u][bhwd](#foo)
class LoadGP_pats <PatFrag ldOp, InstHexagon MI, ValueType VT = i32>
: Pat <(VT (ldOp (HexagonCONST32_GP tglobaladdr:$global))),
(VT (MI tglobaladdr:$global))>;
let AddedComplexity = 100 in {
def: LoadGP_pats <extloadi8, L2_loadrbgp>;
def: LoadGP_pats <sextloadi8, L2_loadrbgp>;
def: LoadGP_pats <zextloadi8, L2_loadrubgp>;
def: LoadGP_pats <extloadi16, L2_loadrhgp>;
def: LoadGP_pats <sextloadi16, L2_loadrhgp>;
def: LoadGP_pats <zextloadi16, L2_loadruhgp>;
def: LoadGP_pats <load, L2_loadrigp>;
def: LoadGP_pats <load, L2_loadrdgp, i64>;
}
let AddedComplexity = 30 in {
def: Storea_pat<truncstorei8, I32, u0AlwaysExtPred, S2_storerbabs>;
def: Storea_pat<truncstorei16, I32, u0AlwaysExtPred, S2_storerhabs>;
def: Storea_pat<store, I32, u0AlwaysExtPred, S2_storeriabs>;
}
let AddedComplexity = 30 in {
def: Loada_pat<load, i32, u0AlwaysExtPred, L4_loadri_abs>;
def: Loada_pat<sextloadi8, i32, u0AlwaysExtPred, L4_loadrb_abs>;
def: Loada_pat<zextloadi8, i32, u0AlwaysExtPred, L4_loadrub_abs>;
def: Loada_pat<sextloadi16, i32, u0AlwaysExtPred, L4_loadrh_abs>;
def: Loada_pat<zextloadi16, i32, u0AlwaysExtPred, L4_loadruh_abs>;
}
let Predicates = [HasV4T], AddedComplexity = 30 in {
def : Pat<(i32 (load (HexagonCONST32 tglobaladdr:$absaddr))),
(L4_loadri_abs tglobaladdr: $absaddr)>;
@ -3881,23 +3916,6 @@ def : Pat<(i32 (zextloadi16 (HexagonCONST32 tglobaladdr:$absaddr))),
(L4_loadruh_abs tglobaladdr:$absaddr)>;
}
def : Pat <(atomic_load_64 (HexagonCONST32_GP tglobaladdr:$global)),
(i64 (L2_loadrdgp tglobaladdr:$global))>;
def : Pat <(atomic_load_32 (HexagonCONST32_GP tglobaladdr:$global)),
(i32 (L2_loadrigp tglobaladdr:$global))>;
def : Pat <(atomic_load_16 (HexagonCONST32_GP tglobaladdr:$global)),
(i32 (L2_loadruhgp tglobaladdr:$global))>;
def : Pat <(atomic_load_8 (HexagonCONST32_GP tglobaladdr:$global)),
(i32 (L2_loadrubgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memw(#foo + 0)
let AddedComplexity = 100 in
def : Pat <(i64 (load (HexagonCONST32_GP tglobaladdr:$global))),
(i64 (L2_loadrdgp tglobaladdr:$global))>;
// Map from Pd = load(globaladdress) -> Rd = memb(globaladdress), Pd = Rd
let AddedComplexity = 100 in
def : Pat <(i1 (load (HexagonCONST32_GP tglobaladdr:$global))),
@ -3914,45 +3932,10 @@ let AddedComplexity = 100 in
def : Pat <(i32 (sextloadi1 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrbgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memb(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (extloadi8 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrbgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memb(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (sextloadi8 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrbgp tglobaladdr:$global))>;
let AddedComplexity = 100 in
def : Pat <(i32 (zextloadi1 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrubgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memub(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (zextloadi8 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrubgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memh(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (extloadi16 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrhgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memh(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (sextloadi16 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrhgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memuh(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (zextloadi16 (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadruhgp tglobaladdr:$global))>;
// Map from load(globaladdress) -> memw(#foo)
let AddedComplexity = 100 in
def : Pat <(i32 (load (HexagonCONST32_GP tglobaladdr:$global))),
(i32 (L2_loadrigp tglobaladdr:$global))>;
// Transfer global address into a register
let isExtended = 1, opExtendable = 1, AddedComplexity=50, isMoveImm = 1,
@ -4004,22 +3987,6 @@ def : Pat<(HexagonCONST32_GP tglobaladdr:$src1),
(TFRI_V4 tglobaladdr:$src1)>,
Requires<[HasV4T]>;
let Predicates = [HasV4T], AddedComplexity = 30 in {
def : Pat<(truncstorei8 (i32 IntRegs:$src1), u0AlwaysExtPred:$src2),
(S2_storerbabs u0AlwaysExtPred:$src2, IntRegs: $src1)>;
def : Pat<(truncstorei16 (i32 IntRegs:$src1), u0AlwaysExtPred:$src2),
(S2_storerhabs u0AlwaysExtPred:$src2, IntRegs: $src1)>;
def : Pat<(store (i32 IntRegs:$src1), u0AlwaysExtPred:$src2),
(S2_storeriabs u0AlwaysExtPred:$src2, IntRegs: $src1)>;
}
let Predicates = [HasV4T], AddedComplexity = 30 in {
def : Pat<(i32 (load u0AlwaysExtPred:$src)),
(L4_loadri_abs u0AlwaysExtPred:$src)>;
}
// Indexed store word - global address.
// memw(Rs+#u6:2)=#S8
let AddedComplexity = 10 in