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Reorganize ARM assembler aliases.

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Consolidate the individual declarations together for ease of reference. This
mirrors the organization in X86, as well, so is good for consistency. No
functional change.

llvm-svn: 135179
This commit is contained in:
Jim Grosbach 2011-07-14 19:47:47 +00:00
parent 784ad24bad
commit fa18793934
1 changed files with 19 additions and 14 deletions
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33
llvm/lib/Target/ARM/ARMInstrInfo.td
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@ -1629,7 +1629,6 @@ def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
let Inst{23-0} = svc;
}
}
def : MnemonicAlias<"swi", "svc">;
// Store Return State is a system instruction -- for disassembly only
let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
@ -2053,13 +2052,6 @@ defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
} // neverHasSideEffects
// Load / Store Multiple Mnemonic Aliases
def : MnemonicAlias<"ldmfd", "ldm">;
def : MnemonicAlias<"ldmia", "ldm">;
def : MnemonicAlias<"stmfd", "stmdb">;
def : MnemonicAlias<"stmia", "stm">;
def : MnemonicAlias<"stmea", "stm">;
// FIXME: remove when we have a way to marking a MI with these properties.
// FIXME: Should pc be an implicit operand like PICADD, etc?
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
@ -3307,8 +3299,6 @@ def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
}
}
def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
"dsb", "\t$opt", []>,
Requires<[IsARM, HasDB]> {
@ -3317,8 +3307,6 @@ def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
let Inst{3-0} = opt;
}
def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
// ISB has only full system option
def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
"isb", "\t$opt", []>,
@ -3328,8 +3316,6 @@ def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
let Inst{3-0} = opt;
}
def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
let usesCustomInserter = 1 in {
let Uses = [CPSR] in {
def ATOMIC_LOAD_ADD_I8 : PseudoInst<
@ -4064,3 +4050,22 @@ include "ARMInstrVFP.td"
include "ARMInstrNEON.td"
//===----------------------------------------------------------------------===//
// Assembler aliases
//
// Memory barriers
def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
// System instructions
def : MnemonicAlias<"swi", "svc">;
// Load / Store Multiple
def : MnemonicAlias<"ldmfd", "ldm">;
def : MnemonicAlias<"ldmia", "ldm">;
def : MnemonicAlias<"stmfd", "stmdb">;
def : MnemonicAlias<"stmia", "stm">;
def : MnemonicAlias<"stmea", "stm">;