mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
2f616bff7e
bugs including making sure that the TOS links back to the previous frame, that the maximum call frame size is not included twice when using frame pointers, no longer growing the frame on calls, double storing of SP and a cleaner/faster dynamic alloca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31792 91177308-0d34-0410-b5e6-96231b3b80d8
560 lines
24 KiB
TableGen
560 lines
24 KiB
TableGen
//===- PPCInstr64Bit.td - The PowerPC 64-bit Support -------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes the PowerPC 64-bit instructions. These patterns are used
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// both when in ppc64 mode and when in "use 64-bit extensions in 32-bit" mode.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// 64-bit operands.
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//
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def s16imm64 : Operand<i64> {
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let PrintMethod = "printS16ImmOperand";
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}
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def u16imm64 : Operand<i64> {
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let PrintMethod = "printU16ImmOperand";
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}
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def symbolHi64 : Operand<i64> {
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let PrintMethod = "printSymbolHi";
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}
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def symbolLo64 : Operand<i64> {
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let PrintMethod = "printSymbolLo";
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}
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//===----------------------------------------------------------------------===//
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// 64-bit transformation functions.
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//
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def SHL64 : SDNodeXForm<imm, [{
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// Transformation function: 63 - imm
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return getI32Imm(63 - N->getValue());
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}]>;
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def SRL64 : SDNodeXForm<imm, [{
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// Transformation function: 64 - imm
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return N->getValue() ? getI32Imm(64 - N->getValue()) : getI32Imm(0);
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}]>;
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def HI32_48 : SDNodeXForm<imm, [{
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// Transformation function: shift the immediate value down into the low bits.
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return getI32Imm((unsigned short)(N->getValue() >> 32));
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}]>;
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def HI48_64 : SDNodeXForm<imm, [{
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// Transformation function: shift the immediate value down into the low bits.
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return getI32Imm((unsigned short)(N->getValue() >> 48));
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}]>;
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//===----------------------------------------------------------------------===//
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// Pseudo instructions.
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//
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def IMPLICIT_DEF_G8RC : Pseudo<(ops G8RC:$rD), "; IMPLICIT_DEF_G8RC $rD",
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[(set G8RC:$rD, (undef))]>;
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//===----------------------------------------------------------------------===//
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// Calls.
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//
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let Defs = [LR8] in
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def MovePCtoLR8 : Pseudo<(ops piclabel:$label), "bl $label", []>,
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PPC970_Unit_BRU;
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let isCall = 1, noResults = 1, PPC970_Unit = 7,
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// All calls clobber the PPC64 non-callee saved registers.
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Defs = [X0,X2,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,
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F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
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V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
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LR8,CTR8,
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CR0,CR1,CR5,CR6,CR7] in {
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// Convenient aliases for call instructions
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def BL8 : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
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"bl $func", BrB, []>; // See Pat patterns below.
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def BLA8 : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
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"bla $func", BrB, [(PPCcall (i64 imm:$func))]>;
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}
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// Calls
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def : Pat<(PPCcall (i64 tglobaladdr:$dst)),
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(BL8 tglobaladdr:$dst)>;
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def : Pat<(PPCcall (i64 texternalsym:$dst)),
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(BL8 texternalsym:$dst)>;
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//===----------------------------------------------------------------------===//
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// 64-bit SPR manipulation instrs.
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def MFCTR8 : XFXForm_1_ext<31, 339, 9, (ops G8RC:$rT), "mfctr $rT", SprMFSPR>,
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PPC970_DGroup_First, PPC970_Unit_FXU;
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let Pattern = [(PPCmtctr G8RC:$rS)] in {
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def MTCTR8 : XFXForm_7_ext<31, 467, 9, (ops G8RC:$rS), "mtctr $rS", SprMTSPR>,
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PPC970_DGroup_First, PPC970_Unit_FXU;
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}
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def DYNALLOC8 : Pseudo<(ops G8RC:$result, G8RC:$negsize, memri:$fpsi),
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"${:comment} DYNALLOC8 $result, $negsize, $fpsi",
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[(set G8RC:$result,
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(PPCdynalloc G8RC:$negsize, iaddr:$fpsi))]>,
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Imp<[X1],[X1]>;
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def MTLR8 : XFXForm_7_ext<31, 467, 8, (ops G8RC:$rS), "mtlr $rS", SprMTSPR>,
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PPC970_DGroup_First, PPC970_Unit_FXU;
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def MFLR8 : XFXForm_1_ext<31, 339, 8, (ops G8RC:$rT), "mflr $rT", SprMFSPR>,
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PPC970_DGroup_First, PPC970_Unit_FXU;
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//===----------------------------------------------------------------------===//
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// Fixed point instructions.
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//
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let PPC970_Unit = 1 in { // FXU Operations.
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// Copies, extends, truncates.
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def OR4To8 : XForm_6<31, 444, (ops G8RC:$rA, GPRC:$rS, GPRC:$rB),
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"or $rA, $rS, $rB", IntGeneral,
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[]>;
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def OR8To4 : XForm_6<31, 444, (ops GPRC:$rA, G8RC:$rS, G8RC:$rB),
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"or $rA, $rS, $rB", IntGeneral,
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[]>;
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def LI8 : DForm_2_r0<14, (ops G8RC:$rD, symbolLo64:$imm),
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"li $rD, $imm", IntGeneral,
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[(set G8RC:$rD, immSExt16:$imm)]>;
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def LIS8 : DForm_2_r0<15, (ops G8RC:$rD, symbolHi64:$imm),
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"lis $rD, $imm", IntGeneral,
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[(set G8RC:$rD, imm16ShiftedSExt:$imm)]>;
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// Logical ops.
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def NAND8: XForm_6<31, 476, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"nand $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (not (and G8RC:$rS, G8RC:$rB)))]>;
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def AND8 : XForm_6<31, 28, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"and $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (and G8RC:$rS, G8RC:$rB))]>;
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def ANDC8: XForm_6<31, 60, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"andc $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (and G8RC:$rS, (not G8RC:$rB)))]>;
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def OR8 : XForm_6<31, 444, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"or $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
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def NOR8 : XForm_6<31, 124, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"nor $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (not (or G8RC:$rS, G8RC:$rB)))]>;
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def ORC8 : XForm_6<31, 412, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"orc $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (or G8RC:$rS, (not G8RC:$rB)))]>;
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def EQV8 : XForm_6<31, 284, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"eqv $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (not (xor G8RC:$rS, G8RC:$rB)))]>;
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def XOR8 : XForm_6<31, 316, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
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"xor $rA, $rS, $rB", IntGeneral,
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[(set G8RC:$rA, (xor G8RC:$rS, G8RC:$rB))]>;
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// Logical ops with immediate.
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def ANDIo8 : DForm_4<28, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"andi. $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (and G8RC:$src1, immZExt16:$src2))]>,
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isDOT;
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def ANDISo8 : DForm_4<29, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"andis. $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (and G8RC:$src1,imm16ShiftedZExt:$src2))]>,
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isDOT;
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def ORI8 : DForm_4<24, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"ori $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (or G8RC:$src1, immZExt16:$src2))]>;
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def ORIS8 : DForm_4<25, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"oris $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (or G8RC:$src1, imm16ShiftedZExt:$src2))]>;
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def XORI8 : DForm_4<26, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"xori $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (xor G8RC:$src1, immZExt16:$src2))]>;
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def XORIS8 : DForm_4<27, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
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"xoris $dst, $src1, $src2", IntGeneral,
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[(set G8RC:$dst, (xor G8RC:$src1, imm16ShiftedZExt:$src2))]>;
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def ADD8 : XOForm_1<31, 266, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"add $rT, $rA, $rB", IntGeneral,
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[(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>;
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def ADDI8 : DForm_2<14, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
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"addi $rD, $rA, $imm", IntGeneral,
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[(set G8RC:$rD, (add G8RC:$rA, immSExt16:$imm))]>;
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def ADDIS8 : DForm_2<15, (ops G8RC:$rD, G8RC:$rA, symbolHi64:$imm),
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"addis $rD, $rA, $imm", IntGeneral,
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[(set G8RC:$rD, (add G8RC:$rA, imm16ShiftedSExt:$imm))]>;
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def SUBFIC8: DForm_2< 8, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
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"subfic $rD, $rA, $imm", IntGeneral,
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[(set G8RC:$rD, (subc immSExt16:$imm, G8RC:$rA))]>;
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def SUBF8 : XOForm_1<31, 40, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"subf $rT, $rA, $rB", IntGeneral,
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[(set G8RC:$rT, (sub G8RC:$rB, G8RC:$rA))]>;
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def MULHD : XOForm_1<31, 73, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"mulhd $rT, $rA, $rB", IntMulHW,
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[(set G8RC:$rT, (mulhs G8RC:$rA, G8RC:$rB))]>;
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def MULHDU : XOForm_1<31, 9, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"mulhdu $rT, $rA, $rB", IntMulHWU,
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[(set G8RC:$rT, (mulhu G8RC:$rA, G8RC:$rB))]>;
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def CMPD : XForm_16_ext<31, 0, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
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"cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
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def CMPLD : XForm_16_ext<31, 32, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
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"cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
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def CMPDI : DForm_5_ext<11, (ops CRRC:$crD, G8RC:$rA, s16imm:$imm),
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"cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
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def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, G8RC:$src1, u16imm:$src2),
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"cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
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def SLD : XForm_6<31, 27, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
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"sld $rA, $rS, $rB", IntRotateD,
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[(set G8RC:$rA, (shl G8RC:$rS, GPRC:$rB))]>, isPPC64;
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def SRD : XForm_6<31, 539, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
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"srd $rA, $rS, $rB", IntRotateD,
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[(set G8RC:$rA, (srl G8RC:$rS, GPRC:$rB))]>, isPPC64;
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def SRAD : XForm_6<31, 794, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
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"srad $rA, $rS, $rB", IntRotateD,
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[(set G8RC:$rA, (sra G8RC:$rS, GPRC:$rB))]>, isPPC64;
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def EXTSW : XForm_11<31, 986, (ops G8RC:$rA, G8RC:$rS),
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"extsw $rA, $rS", IntGeneral,
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[(set G8RC:$rA, (sext_inreg G8RC:$rS, i32))]>, isPPC64;
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/// EXTSW_32 - Just like EXTSW, but works on '32-bit' registers.
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def EXTSW_32 : XForm_11<31, 986, (ops GPRC:$rA, GPRC:$rS),
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"extsw $rA, $rS", IntGeneral,
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[(set GPRC:$rA, (PPCextsw_32 GPRC:$rS))]>, isPPC64;
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def EXTSW_32_64 : XForm_11<31, 986, (ops G8RC:$rA, GPRC:$rS),
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"extsw $rA, $rS", IntGeneral,
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[(set G8RC:$rA, (sext GPRC:$rS))]>, isPPC64;
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def SRADI : XSForm_1<31, 413, (ops G8RC:$rA, G8RC:$rS, u6imm:$SH),
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"sradi $rA, $rS, $SH", IntRotateD,
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[(set G8RC:$rA, (sra G8RC:$rS, (i32 imm:$SH)))]>, isPPC64;
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def DIVD : XOForm_1<31, 489, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"divd $rT, $rA, $rB", IntDivD,
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[(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
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PPC970_DGroup_First, PPC970_DGroup_Cracked;
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def DIVDU : XOForm_1<31, 457, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"divdu $rT, $rA, $rB", IntDivD,
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[(set G8RC:$rT, (udiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
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PPC970_DGroup_First, PPC970_DGroup_Cracked;
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def MULLD : XOForm_1<31, 233, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
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"mulld $rT, $rA, $rB", IntMulHD,
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[(set G8RC:$rT, (mul G8RC:$rA, G8RC:$rB))]>, isPPC64;
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let isCommutable = 1 in {
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def RLDIMI : MDForm_1<30, 3,
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(ops G8RC:$rA, G8RC:$rSi, G8RC:$rS, u6imm:$SH, u6imm:$MB),
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"rldimi $rA, $rS, $SH, $MB", IntRotateD,
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[]>, isPPC64, RegConstraint<"$rSi = $rA">,
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NoEncode<"$rSi">;
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}
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// Rotate instructions.
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def RLDICL : MDForm_1<30, 0,
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(ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$MB),
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"rldicl $rA, $rS, $SH, $MB", IntRotateD,
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[]>, isPPC64;
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def RLDICR : MDForm_1<30, 1,
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(ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$ME),
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"rldicr $rA, $rS, $SH, $ME", IntRotateD,
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[]>, isPPC64;
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} // End FXU Operations.
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//===----------------------------------------------------------------------===//
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// Load/Store instructions.
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//
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// Sign extending loads.
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let isLoad = 1, PPC970_Unit = 2 in {
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def LHA8: DForm_1<42, (ops G8RC:$rD, memri:$src),
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"lha $rD, $src", LdStLHA,
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[(set G8RC:$rD, (sextloadi16 iaddr:$src))]>,
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PPC970_DGroup_Cracked;
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def LWA : DSForm_1<58, 2, (ops G8RC:$rD, memrix:$src),
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"lwa $rD, $src", LdStLWA,
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[(set G8RC:$rD, (sextloadi32 ixaddr:$src))]>, isPPC64,
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PPC970_DGroup_Cracked;
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def LHAX8: XForm_1<31, 343, (ops G8RC:$rD, memrr:$src),
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"lhax $rD, $src", LdStLHA,
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[(set G8RC:$rD, (sextloadi16 xaddr:$src))]>,
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PPC970_DGroup_Cracked;
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def LWAX : XForm_1<31, 341, (ops G8RC:$rD, memrr:$src),
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"lwax $rD, $src", LdStLHA,
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[(set G8RC:$rD, (sextloadi32 xaddr:$src))]>, isPPC64,
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PPC970_DGroup_Cracked;
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// Update forms.
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def LHAU8 : DForm_1<43, (ops G8RC:$rD, ptr_rc:$ea_result, symbolLo:$disp,
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ptr_rc:$rA),
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"lhau $rD, $disp($rA)", LdStGeneral,
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[]>, RegConstraint<"$rA = $ea_result">,
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NoEncode<"$ea_result">;
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// NO LWAU!
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}
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// Zero extending loads.
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let isLoad = 1, PPC970_Unit = 2 in {
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def LBZ8 : DForm_1<34, (ops G8RC:$rD, memri:$src),
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"lbz $rD, $src", LdStGeneral,
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[(set G8RC:$rD, (zextloadi8 iaddr:$src))]>;
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def LHZ8 : DForm_1<40, (ops G8RC:$rD, memri:$src),
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"lhz $rD, $src", LdStGeneral,
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[(set G8RC:$rD, (zextloadi16 iaddr:$src))]>;
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def LWZ8 : DForm_1<32, (ops G8RC:$rD, memri:$src),
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"lwz $rD, $src", LdStGeneral,
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[(set G8RC:$rD, (zextloadi32 iaddr:$src))]>, isPPC64;
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def LBZX8 : XForm_1<31, 87, (ops G8RC:$rD, memrr:$src),
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"lbzx $rD, $src", LdStGeneral,
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[(set G8RC:$rD, (zextloadi8 xaddr:$src))]>;
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def LHZX8 : XForm_1<31, 279, (ops G8RC:$rD, memrr:$src),
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"lhzx $rD, $src", LdStGeneral,
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[(set G8RC:$rD, (zextloadi16 xaddr:$src))]>;
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def LWZX8 : XForm_1<31, 23, (ops G8RC:$rD, memrr:$src),
|
|
"lwzx $rD, $src", LdStGeneral,
|
|
[(set G8RC:$rD, (zextloadi32 xaddr:$src))]>;
|
|
|
|
|
|
// Update forms.
|
|
def LBZU8 : DForm_1<35, (ops G8RC:$rD, ptr_rc:$ea_result, memri:$addr),
|
|
"lbzu $rD, $addr", LdStGeneral,
|
|
[]>, RegConstraint<"$addr.reg = $ea_result">,
|
|
NoEncode<"$ea_result">;
|
|
def LHZU8 : DForm_1<41, (ops G8RC:$rD, ptr_rc:$ea_result, memri:$addr),
|
|
"lhzu $rD, $addr", LdStGeneral,
|
|
[]>, RegConstraint<"$addr.reg = $ea_result">,
|
|
NoEncode<"$ea_result">;
|
|
def LWZU8 : DForm_1<33, (ops G8RC:$rD, ptr_rc:$ea_result, memri:$addr),
|
|
"lwzu $rD, $addr", LdStGeneral,
|
|
[]>, RegConstraint<"$addr.reg = $ea_result">,
|
|
NoEncode<"$ea_result">;
|
|
}
|
|
|
|
|
|
// Full 8-byte loads.
|
|
let isLoad = 1, PPC970_Unit = 2 in {
|
|
def LD : DSForm_1<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:$src))]>, isPPC64;
|
|
|
|
def LDU : DSForm_1<58, 1, (ops G8RC:$rD, ptr_rc:$ea_result, memrix:$addr),
|
|
"ldu $rD, $addr", LdStLD,
|
|
[]>, RegConstraint<"$addr.reg = $ea_result">, isPPC64,
|
|
NoEncode<"$ea_result">;
|
|
|
|
}
|
|
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
// Truncating stores.
|
|
def STB8 : DForm_1<38, (ops G8RC:$rS, memri:$src),
|
|
"stb $rS, $src", LdStGeneral,
|
|
[(truncstorei8 G8RC:$rS, iaddr:$src)]>;
|
|
def STH8 : DForm_1<44, (ops G8RC:$rS, memri:$src),
|
|
"sth $rS, $src", LdStGeneral,
|
|
[(truncstorei16 G8RC:$rS, iaddr:$src)]>;
|
|
def STW8 : DForm_1<36, (ops G8RC:$rS, memri:$src),
|
|
"stw $rS, $src", LdStGeneral,
|
|
[(truncstorei32 G8RC:$rS, iaddr:$src)]>;
|
|
def STBX8 : XForm_8<31, 215, (ops G8RC:$rS, memrr:$dst),
|
|
"stbx $rS, $dst", LdStGeneral,
|
|
[(truncstorei8 G8RC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STHX8 : XForm_8<31, 407, (ops G8RC:$rS, memrr:$dst),
|
|
"sthx $rS, $dst", LdStGeneral,
|
|
[(truncstorei16 G8RC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
def STWX8 : XForm_8<31, 151, (ops G8RC:$rS, memrr:$dst),
|
|
"stwx $rS, $dst", LdStGeneral,
|
|
[(truncstorei32 G8RC:$rS, xaddr:$dst)]>,
|
|
PPC970_DGroup_Cracked;
|
|
// Normal 8-byte stores.
|
|
def STD : DSForm_1<62, 0, (ops G8RC:$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:$dst)]>, isPPC64,
|
|
PPC970_DGroup_Cracked;
|
|
}
|
|
|
|
let isStore = 1, PPC970_Unit = 2 in {
|
|
|
|
def STBU8 : DForm_1<38, (ops ptr_rc:$ea_res, G8RC:$rS,
|
|
symbolLo:$ptroff, ptr_rc:$ptrreg),
|
|
"stbu $rS, $ptroff($ptrreg)", LdStGeneral,
|
|
[(set ptr_rc:$ea_res,
|
|
(pre_truncsti8 G8RC:$rS, ptr_rc:$ptrreg,
|
|
iaddroff:$ptroff))]>,
|
|
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
|
|
def STHU8 : DForm_1<45, (ops ptr_rc:$ea_res, G8RC:$rS,
|
|
symbolLo:$ptroff, ptr_rc:$ptrreg),
|
|
"sthu $rS, $ptroff($ptrreg)", LdStGeneral,
|
|
[(set ptr_rc:$ea_res,
|
|
(pre_truncsti16 G8RC:$rS, ptr_rc:$ptrreg,
|
|
iaddroff:$ptroff))]>,
|
|
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
|
|
def STWU8 : DForm_1<37, (ops ptr_rc:$ea_res, G8RC:$rS,
|
|
symbolLo:$ptroff, ptr_rc:$ptrreg),
|
|
"stwu $rS, $ptroff($ptrreg)", LdStGeneral,
|
|
[(set ptr_rc:$ea_res, (pre_store G8RC:$rS, ptr_rc:$ptrreg,
|
|
iaddroff:$ptroff))]>,
|
|
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
|
|
|
|
|
|
def STDU : DSForm_1<62, 1, (ops ptr_rc:$ea_res, G8RC:$rS,
|
|
s16immX4:$ptroff, ptr_rc:$ptrreg),
|
|
"stdu $rS, $ptroff($ptrreg)", LdStSTD,
|
|
[(set ptr_rc:$ea_res, (pre_store G8RC:$rS, ptr_rc:$ptrreg,
|
|
iaddroff:$ptroff))]>,
|
|
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">,
|
|
isPPC64;
|
|
|
|
}
|
|
|
|
let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
|
|
|
|
def STDUX : XForm_8<31, 181, (ops G8RC:$rS, memrr:$dst),
|
|
"stdux $rS, $dst", LdStSTD,
|
|
[]>, isPPC64;
|
|
|
|
|
|
// STD_32/STDX_32 - Just like STD/STDX, but uses a '32-bit' input register.
|
|
def STD_32 : DSForm_1<62, 0, (ops GPRC:$rT, memrix:$dst),
|
|
"std $rT, $dst", LdStSTD,
|
|
[(PPCstd_32 GPRC:$rT, ixaddr:$dst)]>, isPPC64;
|
|
def STDX_32 : XForm_8<31, 149, (ops GPRC:$rT, memrr:$dst),
|
|
"stdx $rT, $dst", LdStSTD,
|
|
[(PPCstd_32 GPRC:$rT, xaddr:$dst)]>, isPPC64,
|
|
PPC970_DGroup_Cracked;
|
|
}
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Floating point instructions.
|
|
//
|
|
|
|
|
|
let PPC970_Unit = 3 in { // FPU Operations.
|
|
def FCFID : XForm_26<63, 846, (ops F8RC:$frD, F8RC:$frB),
|
|
"fcfid $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (PPCfcfid F8RC:$frB))]>, isPPC64;
|
|
def FCTIDZ : XForm_26<63, 815, (ops F8RC:$frD, F8RC:$frB),
|
|
"fctidz $frD, $frB", FPGeneral,
|
|
[(set F8RC:$frD, (PPCfctidz F8RC:$frB))]>, isPPC64;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instruction Patterns
|
|
//
|
|
|
|
// Immediate support.
|
|
// Handled above:
|
|
// sext(0x0000_0000_0000_FFFF, i8) -> li imm
|
|
// sext(0x0000_0000_FFFF_0000, i16) -> lis imm>>16
|
|
|
|
// sext(0x0000_0000_FFFF_FFFF, i16) -> lis + ori
|
|
def sext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
|
|
return N->getValue() == (uint64_t)(int32_t)N->getValue();
|
|
}]>;
|
|
def : Pat<(i64 sext_0x0000_0000_FFFF_FFFF_i16:$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<(i64 (anyext GPRC:$in)),
|
|
(OR4To8 GPRC:$in, GPRC:$in)>;
|
|
def : Pat<(i32 (trunc G8RC:$in)),
|
|
(OR8To4 G8RC:$in, G8RC:$in)>;
|
|
|
|
// Extending loads with i64 targets.
|
|
def : Pat<(zextloadi1 iaddr:$src),
|
|
(LBZ8 iaddr:$src)>;
|
|
def : Pat<(zextloadi1 xaddr:$src),
|
|
(LBZX8 xaddr:$src)>;
|
|
def : Pat<(extloadi1 iaddr:$src),
|
|
(LBZ8 iaddr:$src)>;
|
|
def : Pat<(extloadi1 xaddr:$src),
|
|
(LBZX8 xaddr:$src)>;
|
|
def : Pat<(extloadi8 iaddr:$src),
|
|
(LBZ8 iaddr:$src)>;
|
|
def : Pat<(extloadi8 xaddr:$src),
|
|
(LBZX8 xaddr:$src)>;
|
|
def : Pat<(extloadi16 iaddr:$src),
|
|
(LHZ8 iaddr:$src)>;
|
|
def : Pat<(extloadi16 xaddr:$src),
|
|
(LHZX8 xaddr:$src)>;
|
|
def : Pat<(extloadi32 iaddr:$src),
|
|
(LWZ8 iaddr:$src)>;
|
|
def : Pat<(extloadi32 xaddr:$src),
|
|
(LWZX8 xaddr:$src)>;
|
|
|
|
// SHL/SRL
|
|
def : Pat<(shl G8RC:$in, (i32 imm:$imm)),
|
|
(RLDICR G8RC:$in, imm:$imm, (SHL64 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)>;
|