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Shuffle productions around a bit.

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No functional change.

llvm-svn: 134737
This commit is contained in:
Jim Grosbach 2011-07-08 21:04:05 +00:00
parent acaf9e9ce1
commit 611219a00c
1 changed files with 21 additions and 21 deletions
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42
lib/Target/ARM/ARMInstrThumb.td
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@ -361,27 +361,6 @@ def tADDspr : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
// Control Flow Instructions.
//
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr",
[(ARMretflag)]>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
let Inst{6-3} = 0b1110; // Rm = lr
let Inst{2-0} = 0b000;
}
// Alternative return instruction used by vararg functions.
def tBX_RET_vararg : TI<(outs), (ins tGPR:$Rm),
IIC_Br, "bx\t$Rm",
[]>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
bits<4> Rm;
let Inst{6-3} = Rm;
let Inst{2-0} = 0b000;
}
}
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
def tBX : TI<(outs), (ins GPR:$Rm, pred:$p), IIC_Br, "bx${p}\t$Rm", []>,
@ -405,6 +384,27 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
}
}
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr",
[(ARMretflag)]>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
let Inst{6-3} = 0b1110; // Rm = lr
let Inst{2-0} = 0b000;
}
// Alternative return instruction used by vararg functions.
def tBX_RET_vararg : TI<(outs), (ins tGPR:$Rm),
IIC_Br, "bx\t$Rm",
[]>,
T1Special<{1,1,0,?}> {
// A6.2.3 & A8.6.25
bits<4> Rm;
let Inst{6-3} = Rm;
let Inst{2-0} = 0b000;
}
}
// All calls clobber the non-callee saved registers. SP is marked as a use to
// prevent stack-pointer assignments that appear immediately before calls from
// potentially appearing dead.