//===----------------------------------------------------------------------===//
// 64-bit operands.
//
+def s16imm64 : Operand<i64> {
+ let PrintMethod = "printS16ImmOperand";
+}
+def u16imm64 : Operand<i64> {
+ let PrintMethod = "printU16ImmOperand";
+}
def symbolHi64 : Operand<i64> {
let PrintMethod = "printSymbolHi";
}
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), "; $rD = IMPLICIT_DEF_G8RC",
+ [(set G8RC:$rD, (undef))]>;
//===----------------------------------------------------------------------===//
let PPC970_Unit = 1 in { // FXU Operations.
+// 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, imm16Shifted:$imm)]>;
+ [(set G8RC:$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 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, $rB", IntGeneral,
- []>;
+def NOR8 : XForm_6<31, 124, (ops G8RC:$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:$rA, imm16Shifted:$imm))]>;
+ [(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,
"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;
"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, $ME", IntRotateD,
[]>, isPPC64;
-}
+} // End FXU Operations.
//===----------------------------------------------------------------------===//
def LDX : XForm_1<31, 21, (ops G8RC:$rD, memrr:$src),
"ldx $rD, $src", LdStLD,
[(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
+def LWZ8 : DForm_1<32, (ops G8RC:$rD, memri:$src),
+ "lwz $rD, $src", LdStGeneral,
+ [(set G8RC:$rD, (zextload iaddr:$src, i32))]>, isPPC64;
}
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
def STD : DSForm_2<62, 0, (ops G8RC:$rS, memrix:$dst),
//===----------------------------------------------------------------------===//
// Instruction Patterns
//
+
+// Immediate support.
+// Handled above:
+// sext(0x0000_0000_0000_FFFF, i8) -> li imm
+// sext(0x0000_0000_FFFF_0000, i16) -> lis imm>>16
+
+// sext(0x0000_0000_FFFF_FFFF, i16) -> lis + ori
+def sext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
+ return N->getValue() == (uint64_t)(int32_t)N->getValue();
+}]>;
+def : Pat<(i64 sext_0x0000_0000_FFFF_FFFF_i16:$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)>;
(OR8To4 G8RC:$in, G8RC:$in)>;
// 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.
projects / oota-llvm.git / blobdiff