//
//===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
+// 64-bit operands.
+//
+def s16imm64 : Operand<i64> {
+ let PrintMethod = "printS16ImmOperand";
+}
+def u16imm64 : Operand<i64> {
+ let PrintMethod = "printU16ImmOperand";
+}
+def symbolHi64 : Operand<i64> {
+ let PrintMethod = "printSymbolHi";
+}
+def symbolLo64 : Operand<i64> {
+ let PrintMethod = "printSymbolLo";
+}
+
+//===----------------------------------------------------------------------===//
+// 64-bit transformation functions.
+//
+
+def SHL64 : SDNodeXForm<imm, [{
+ // Transformation function: 63 - imm
+ return getI32Imm(63 - N->getValue());
+}]>;
+
+def SRL64 : SDNodeXForm<imm, [{
+ // Transformation function: 64 - imm
+ return N->getValue() ? getI32Imm(64 - N->getValue()) : getI32Imm(0);
+}]>;
+
+def HI32_48 : SDNodeXForm<imm, [{
+ // Transformation function: shift the immediate value down into the low bits.
+ return getI32Imm((unsigned short)(N->getValue() >> 32));
+}]>;
+
+def HI48_64 : SDNodeXForm<imm, [{
+ // Transformation function: shift the immediate value down into the low bits.
+ return getI32Imm((unsigned short)(N->getValue() >> 48));
+}]>;
+
+
+//===----------------------------------------------------------------------===//
+// Pseudo instructions.
+//
+
+def IMPLICIT_DEF_G8RC : Pseudo<(ops G8RC:$rD), "; IMPLICIT_DEF_G8RC $rD",
+ [(set G8RC:$rD, (undef))]>;
+
+let Pattern = [(PPCmtctr G8RC:$rS)] in {
+def MTCTR8 : XFXForm_7_ext<31, 467, 9, (ops G8RC:$rS), "mtctr $rS", SprMTSPR>,
+ PPC970_DGroup_First, PPC970_Unit_FXU;
+}
//===----------------------------------------------------------------------===//
// Fixed point instructions.
let PPC970_Unit = 1 in { // FXU Operations.
-def OR8 : XForm_6<31, 444, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
- "or $rA, $rS, $rB", IntGeneral,
- [(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
+// Copies, extends, truncates.
def OR4To8 : XForm_6<31, 444, (ops G8RC:$rA, GPRC:$rS, GPRC:$rB),
"or $rA, $rS, $rB", IntGeneral,
[]>;
def OR8To4 : XForm_6<31, 444, (ops GPRC:$rA, G8RC:$rS, G8RC:$rB),
"or $rA, $rS, $rB", IntGeneral,
[]>;
-
+
+def LI8 : DForm_2_r0<14, (ops G8RC:$rD, symbolLo64:$imm),
+ "li $rD, $imm", IntGeneral,
+ [(set G8RC:$rD, immSExt16:$imm)]>;
+def LIS8 : DForm_2_r0<15, (ops G8RC:$rD, symbolHi64:$imm),
+ "lis $rD, $imm", IntGeneral,
+ [(set G8RC:$rD, imm16ShiftedSExt:$imm)]>;
+
+// Logical ops.
+def NAND8: XForm_6<31, 476, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "nand $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (not (and G8RC:$rS, G8RC:$rB)))]>;
+def AND8 : XForm_6<31, 28, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "and $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (and G8RC:$rS, G8RC:$rB))]>;
+def ANDC8: XForm_6<31, 60, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "andc $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (and G8RC:$rS, (not G8RC:$rB)))]>;
+def OR8 : XForm_6<31, 444, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "or $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
+def NOR8 : XForm_6<31, 124, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "nor $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (not (or G8RC:$rS, G8RC:$rB)))]>;
+def ORC8 : XForm_6<31, 412, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "orc $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (or G8RC:$rS, (not G8RC:$rB)))]>;
+def EQV8 : XForm_6<31, 284, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "eqv $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (not (xor G8RC:$rS, G8RC:$rB)))]>;
+def XOR8 : XForm_6<31, 316, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
+ "xor $rA, $rS, $rB", IntGeneral,
+ [(set G8RC:$rA, (xor G8RC:$rS, G8RC:$rB))]>;
+
+// Logical ops with immediate.
+def ANDIo8 : DForm_4<28, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "andi. $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (and G8RC:$src1, immZExt16:$src2))]>,
+ isDOT;
+def ANDISo8 : DForm_4<29, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "andis. $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (and G8RC:$src1,imm16ShiftedZExt:$src2))]>,
+ isDOT;
+def ORI8 : DForm_4<24, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "ori $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (or G8RC:$src1, immZExt16:$src2))]>;
+def ORIS8 : DForm_4<25, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "oris $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (or G8RC:$src1, imm16ShiftedZExt:$src2))]>;
+def XORI8 : DForm_4<26, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "xori $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (xor G8RC:$src1, immZExt16:$src2))]>;
+def XORIS8 : DForm_4<27, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
+ "xoris $dst, $src1, $src2", IntGeneral,
+ [(set G8RC:$dst, (xor G8RC:$src1, imm16ShiftedZExt:$src2))]>;
+
def ADD8 : XOForm_1<31, 266, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
"add $rT, $rA, $rB", IntGeneral,
[(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>;
+def ADDI8 : DForm_2<14, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
+ "addi $rD, $rA, $imm", IntGeneral,
+ [(set G8RC:$rD, (add G8RC:$rA, immSExt16:$imm))]>;
+def ADDIS8 : DForm_2<15, (ops G8RC:$rD, G8RC:$rA, symbolHi64:$imm),
+ "addis $rD, $rA, $imm", IntGeneral,
+ [(set G8RC:$rD, (add G8RC:$rA, imm16ShiftedSExt:$imm))]>;
+
+def SUBFIC8: DForm_2< 8, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
+ "subfic $rD, $rA, $imm", IntGeneral,
+ [(set G8RC:$rD, (subc immSExt16:$imm, G8RC:$rA))]>;
+def SUBF8 : XOForm_1<31, 40, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
+ "subf $rT, $rA, $rB", IntGeneral,
+ [(set G8RC:$rT, (sub G8RC:$rB, G8RC:$rA))]>;
+
+
def MULHD : XOForm_1<31, 73, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
"mulhd $rT, $rA, $rB", IntMulHW,
[(set G8RC:$rT, (mulhs G8RC:$rA, G8RC:$rB))]>;
"mulhdu $rT, $rA, $rB", IntMulHWU,
[(set G8RC:$rT, (mulhu G8RC:$rA, G8RC:$rB))]>;
-def CMPDI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
- "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
-
-def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
- "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
-def CMPD : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
+def CMPD : XForm_16_ext<31, 0, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
"cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
-def CMPLD : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
+def CMPLD : XForm_16_ext<31, 32, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
"cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
+def CMPDI : DForm_5_ext<11, (ops CRRC:$crD, G8RC:$rA, s16imm:$imm),
+ "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
+def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, G8RC:$src1, u16imm:$src2),
+ "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
def SLD : XForm_6<31, 27, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
"sld $rA, $rS, $rB", IntRotateD,
def EXTSW_32 : XForm_11<31, 986, (ops GPRC:$rA, GPRC:$rS),
"extsw $rA, $rS", IntGeneral,
[(set GPRC:$rA, (PPCextsw_32 GPRC:$rS))]>, isPPC64;
+def EXTSW_32_64 : XForm_11<31, 986, (ops G8RC:$rA, GPRC:$rS),
+ "extsw $rA, $rS", IntGeneral,
+ [(set G8RC:$rA, (sext GPRC:$rS))]>, isPPC64;
-def SRADI : XSForm_1<31, 413, (ops GPRC:$rA, GPRC:$rS, u6imm:$SH),
- "sradi $rA, $rS, $SH", IntRotateD>, isPPC64;
+def SRADI : XSForm_1<31, 413, (ops G8RC:$rA, G8RC:$rS, u6imm:$SH),
+ "sradi $rA, $rS, $SH", IntRotateD,
+ [(set G8RC:$rA, (sra G8RC:$rS, (i32 imm:$SH)))]>, isPPC64;
+
def DIVD : XOForm_1<31, 489, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
"divd $rT, $rA, $rB", IntDivD,
[(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
"mulld $rT, $rA, $rB", IntMulHD,
[(set G8RC:$rT, (mul G8RC:$rA, G8RC:$rB))]>, isPPC64;
+
let isTwoAddress = 1, isCommutable = 1 in {
def RLDIMI : MDForm_1<30, 3,
(ops G8RC:$rA, G8RC:$rSi, G8RC:$rS, u6imm:$SH, u6imm:$MB),
(ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$ME),
"rldicr $rA, $rS, $SH, $ME", IntRotateD,
[]>, isPPC64;
-}
+} // End FXU Operations.
//===----------------------------------------------------------------------===//
let isLoad = 1, PPC970_Unit = 2 in {
+// Sign extending loads.
+def LHA8: DForm_1<42, (ops G8RC:$rD, memri:$src),
+ "lha $rD, $src", LdStLHA,
+ [(set G8RC:$rD, (sextload iaddr:$src, i16))]>,
+ PPC970_DGroup_Cracked;
+def LWA : DSForm_1<58, 2, (ops G8RC:$rD, memrix:$src),
+ "lwa $rD, $src", LdStLWA,
+ [(set G8RC:$rD, (sextload ixaddr:$src, i32))]>, isPPC64,
+ PPC970_DGroup_Cracked;
+def LHAX8: XForm_1<31, 343, (ops G8RC:$rD, memrr:$src),
+ "lhax $rD, $src", LdStLHA,
+ [(set G8RC:$rD, (sextload xaddr:$src, i16))]>,
+ PPC970_DGroup_Cracked;
def LWAX : XForm_1<31, 341, (ops G8RC:$rD, memrr:$src),
"lwax $rD, $src", LdStLHA,
[(set G8RC:$rD, (sextload xaddr:$src, i32))]>, isPPC64,
PPC970_DGroup_Cracked;
+
+// Zero extending loads.
+def LBZ8 : DForm_1<34, (ops G8RC:$rD, memri:$src),
+ "lbz $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload iaddr:$src, i8))]>;
+def LHZ8 : DForm_1<40, (ops G8RC:$rD, memri:$src),
+ "lhz $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload iaddr:$src, i16))]>;
+def LWZ8 : DForm_1<32, (ops G8RC:$rD, memri:$src),
+ "lwz $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload iaddr:$src, i32))]>, isPPC64;
+
+def LBZX8 : XForm_1<31, 87, (ops G8RC:$rD, memrr:$src),
+ "lbzx $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload xaddr:$src, i8))]>;
+def LHZX8 : XForm_1<31, 279, (ops G8RC:$rD, memrr:$src),
+ "lhzx $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload xaddr:$src, i16))]>;
+def LWZX8 : XForm_1<31, 23, (ops G8RC:$rD, memrr:$src),
+ "lwzx $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload xaddr:$src, i32))]>;
+
+
+// Full 8-byte loads.
+def LD : DSForm_2<58, 0, (ops G8RC:$rD, memrix:$src),
+ "ld $rD, $src", LdStLD,
+ [(set G8RC:$rD, (load ixaddr:$src))]>, isPPC64;
def LDX : XForm_1<31, 21, (ops G8RC:$rD, memrr:$src),
"ldx $rD, $src", LdStLD,
[(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
}
-
-// DS-Form instructions. Load/Store instructions available in PPC-64
-//
-let isLoad = 1, PPC970_Unit = 2 in {
-def LWA : DSForm_1<58, 2, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
- "lwa $rT, $DS($rA)", LdStLWA,
- []>, isPPC64, PPC970_DGroup_Cracked;
-def LD : DSForm_2<58, 0, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
- "ld $rT, $DS($rA)", LdStLD,
- []>, isPPC64;
-}
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
-def STD : DSForm_2<62, 0, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
- "std $rT, $DS($rA)", LdStSTD,
- []>, isPPC64;
-
+// Normal stores.
+def STD : DSForm_2<62, 0, (ops G8RC:$rS, memrix:$dst),
+ "std $rS, $dst", LdStSTD,
+ [(store G8RC:$rS, ixaddr:$dst)]>, isPPC64;
+def STDX : XForm_8<31, 149, (ops G8RC:$rS, memrr:$dst),
+ "stdx $rS, $dst", LdStSTD,
+ [(store G8RC:$rS, xaddr:$dst)]>, isPPC64,
+ PPC970_DGroup_Cracked;
+def STDUX : XForm_8<31, 181, (ops G8RC:$rS, memrr:$dst),
+ "stdux $rS, $dst", LdStSTD,
+ []>, isPPC64;
+
// STD_32/STDX_32 - Just like STD/STDX, but uses a '32-bit' input register.
def STD_32 : DSForm_2<62, 0, (ops GPRC:$rT, memrix:$dst),
"std $rT, $dst", LdStSTD,
[(PPCstd_32 GPRC:$rT, xaddr:$dst)]>, isPPC64,
PPC970_DGroup_Cracked;
-def STDX : XForm_8<31, 149, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
- "stdx $rS, $rA, $rB", LdStSTD,
- []>, isPPC64, PPC970_DGroup_Cracked;
-def STDUX : XForm_8<31, 181, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
- "stdux $rS, $rA, $rB", LdStSTD,
- []>, isPPC64;
+// Truncating stores.
+def STB8 : DForm_3<38, (ops G8RC:$rS, memri:$src),
+ "stb $rS, $src", LdStGeneral,
+ [(truncstore G8RC:$rS, iaddr:$src, i8)]>;
+def STH8 : DForm_3<44, (ops G8RC:$rS, memri:$src),
+ "sth $rS, $src", LdStGeneral,
+ [(truncstore G8RC:$rS, iaddr:$src, i16)]>;
+def STW8 : DForm_3<36, (ops G8RC:$rS, memri:$src),
+ "stw $rS, $src", LdStGeneral,
+ [(truncstore G8RC:$rS, iaddr:$src, i32)]>;
+def STBX8 : XForm_8<31, 215, (ops G8RC:$rS, memrr:$dst),
+ "stbx $rS, $dst", LdStGeneral,
+ [(truncstore G8RC:$rS, xaddr:$dst, i8)]>,
+ PPC970_DGroup_Cracked;
+def STHX8 : XForm_8<31, 407, (ops G8RC:$rS, memrr:$dst),
+ "sthx $rS, $dst", LdStGeneral,
+ [(truncstore G8RC:$rS, xaddr:$dst, i16)]>,
+ PPC970_DGroup_Cracked;
+def STWX8 : XForm_8<31, 151, (ops G8RC:$rS, memrr:$dst),
+ "stwx $rS, $dst", LdStGeneral,
+ [(truncstore G8RC:$rS, xaddr:$dst, i32)]>,
+ PPC970_DGroup_Cracked;
}
// Instruction Patterns
//
+// Immediate support.
+// Handled above:
+// sext(0x0000_0000_0000_FFFF, i8) -> li imm
+// sext(0x0000_0000_FFFF_0000, i16) -> lis imm>>16
+
+// sext(0x0000_0000_FFFF_FFFF, i16) -> lis + ori
+def sext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
+ return N->getValue() == (uint64_t)(int32_t)N->getValue();
+}]>;
+def : Pat<(i64 sext_0x0000_0000_FFFF_FFFF_i16:$imm),
+ (ORI8 (LIS8 (HI16 imm:$imm)), (LO16 imm:$imm))>;
+
+// zext(0x0000_0000_FFFF_7FFF, i16) -> oris (li lo16(imm)), imm>>16
+def zext_0x0000_0000_FFFF_7FFF_i16 : PatLeaf<(imm), [{
+ return (N->getValue() & 0xFFFFFFFF00008000ULL) == 0;
+}]>;
+def : Pat<(i64 zext_0x0000_0000_FFFF_7FFF_i16:$imm),
+ (ORIS8 (LI8 (LO16 imm:$imm)), (HI16 imm:$imm))>;
+
+// zext(0x0000_0000_FFFF_FFFF, i16) -> oris (ori (li 0), lo16(imm)), imm>>16
+def zext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
+ return (N->getValue() & 0xFFFFFFFF00000000ULL) == 0;
+}]>;
+def : Pat<(i64 zext_0x0000_0000_FFFF_FFFF_i16:$imm),
+ (ORIS8 (ORI8 (LI8 0), (LO16 imm:$imm)), (HI16 imm:$imm))>;
+
+// FIXME: Handle smart forms where the top 32-bits are set. Right now, stuff
+// like 0xABCD0123BCDE0000 hits the case below, which produces ORI R, R, 0's!
+
+// Fully general (and most expensive: 6 instructions!) immediate pattern.
+def : Pat<(i64 imm:$imm),
+ (ORI8
+ (ORIS8
+ (RLDICR
+ (ORI8
+ (LIS8 (HI48_64 imm:$imm)),
+ (HI32_48 imm:$imm)),
+ 32, 31),
+ (HI16 imm:$imm)),
+ (LO16 imm:$imm))>;
+
+
// Extensions and truncates to/from 32-bit regs.
def : Pat<(i64 (zext GPRC:$in)),
(RLDICL (OR4To8 GPRC:$in, GPRC:$in), 0, 32)>;
def : Pat<(i32 (trunc G8RC:$in)),
(OR8To4 G8RC:$in, G8RC:$in)>;
+// Extending loads with i64 targets.
+def : Pat<(zextload iaddr:$src, i1),
+ (LBZ8 iaddr:$src)>;
+def : Pat<(zextload xaddr:$src, i1),
+ (LBZX8 xaddr:$src)>;
+def : Pat<(extload iaddr:$src, i1),
+ (LBZ8 iaddr:$src)>;
+def : Pat<(extload xaddr:$src, i1),
+ (LBZX8 xaddr:$src)>;
+def : Pat<(extload iaddr:$src, i8),
+ (LBZ8 iaddr:$src)>;
+def : Pat<(extload xaddr:$src, i8),
+ (LBZX8 xaddr:$src)>;
+def : Pat<(extload iaddr:$src, i16),
+ (LHZ8 iaddr:$src)>;
+def : Pat<(extload xaddr:$src, i16),
+ (LHZX8 xaddr:$src)>;
+def : Pat<(extload iaddr:$src, i32),
+ (LWZ8 iaddr:$src)>;
+def : Pat<(extload xaddr:$src, i32),
+ (LWZX8 xaddr:$src)>;
+
// SHL/SRL
-def : Pat<(shl G8RC:$in, (i64 imm:$imm)),
+def : Pat<(shl G8RC:$in, (i32 imm:$imm)),
(RLDICR G8RC:$in, imm:$imm, (SHL64 imm:$imm))>;
-def : Pat<(srl G8RC:$in, (i64 imm:$imm)),
+def : Pat<(srl G8RC:$in, (i32 imm:$imm)),
(RLDICL G8RC:$in, (SRL64 imm:$imm), imm:$imm)>;
+
+// Hi and Lo for Darwin Global Addresses.
+def : Pat<(PPChi tglobaladdr:$in, 0), (LIS8 tglobaladdr:$in)>;
+def : Pat<(PPClo tglobaladdr:$in, 0), (LI8 tglobaladdr:$in)>;
+def : Pat<(PPChi tconstpool:$in , 0), (LIS8 tconstpool:$in)>;
+def : Pat<(PPClo tconstpool:$in , 0), (LI8 tconstpool:$in)>;
+def : Pat<(PPChi tjumptable:$in , 0), (LIS8 tjumptable:$in)>;
+def : Pat<(PPClo tjumptable:$in , 0), (LI8 tjumptable:$in)>;
+def : Pat<(add G8RC:$in, (PPChi tglobaladdr:$g, 0)),
+ (ADDIS8 G8RC:$in, tglobaladdr:$g)>;
+def : Pat<(add G8RC:$in, (PPChi tconstpool:$g, 0)),
+ (ADDIS8 G8RC:$in, tconstpool:$g)>;
+def : Pat<(add G8RC:$in, (PPChi tjumptable:$g, 0)),
+ (ADDIS8 G8RC:$in, tjumptable:$g)>;