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Add Thumb encoding for some more instructions. 

llvm-svn: 120780
This commit is contained in:
Bill Wendling 2010-12-03 01:55:47 +00:00
parent e38f1149fa
commit 4d8ff86b9e
1 changed files with 68 additions and 19 deletions
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87
llvm/lib/Target/ARM/ARMInstrThumb.td
View File

@ -328,7 +328,9 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
def tBRIND : TI<(outs), (ins GPR:$Rm), IIC_Br, "mov\tpc, $Rm",
def tBRIND : TI<(outs), (ins GPR:$Rm),
IIC_Br,
"mov\tpc, $Rm",
[(brind GPR:$Rm)]>,
T1Special<{1,0,?,?}> {
// A8.6.97
@ -364,10 +366,17 @@ let isCall = 1,
Uses = [SP] in {
// Also used for Thumb2
def tBL : TIx2<0b11110, 0b11, 1,
(outs), (ins i32imm:$func, variable_ops), IIC_Br,
(outs), (ins bltarget:$func, variable_ops), IIC_Br,
"bl\t$func",
[(ARMtcall tglobaladdr:$func)]>,
Requires<[IsThumb, IsNotDarwin]>;
Requires<[IsThumb, IsNotDarwin]> {
bits<24> func;
let Inst{26} = func{23};
let Inst{25-16} = func{20-11};
let Inst{13} = func{22};
let Inst{11} = func{21};
let Inst{10-0} = func{10-0};
}
// ARMv5T and above, also used for Thumb2
def tBLXi : TIx2<0b11110, 0b11, 0,
@ -403,10 +412,17 @@ let isCall = 1,
Uses = [R7, SP] in {
// Also used for Thumb2
def tBLr9 : TIx2<0b11110, 0b11, 1,
(outs), (ins pred:$p, i32imm:$func, variable_ops), IIC_Br,
(outs), (ins pred:$p, bltarget:$func, variable_ops), IIC_Br,
"bl${p}\t$func",
[(ARMtcall tglobaladdr:$func)]>,
Requires<[IsThumb, IsDarwin]>;
Requires<[IsThumb, IsDarwin]> {
bits<24> func;
let Inst{26} = func{23};
let Inst{25-16} = func{20-11};
let Inst{13} = func{22};
let Inst{11} = func{21};
let Inst{10-0} = func{10-0};
}
// ARMv5T and above, also used for Thumb2
def tBLXi_r9 : TIx2<0b11110, 0b11, 0,
@ -988,25 +1004,58 @@ def tMOVi8 : T1sI<(outs tGPR:$Rd), (ins i32imm:$imm8), IIC_iMOVi,
let neverHasSideEffects = 1 in {
// FIXME: Make this predicable.
def tMOVr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
"mov\t$dst, $src", []>,
T1Special<0b1000>;
def tMOVr : T1I<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iMOVr,
"mov\t$Rd, $Rm", []>,
T1Special<0b1000> {
// A8.6.97
bits<4> Rd;
bits<4> Rm;
let Inst{7} = Rd{3};
let Inst{6-3} = Rm;
let Inst{2-0} = Rd{2-0};
}
let Defs = [CPSR] in
def tMOVSr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
"movs\t$dst, $src", []>, Encoding16 {
def tMOVSr : T1I<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iMOVr,
"movs\t$Rd, $Rm", []>, Encoding16 {
// A8.6.97
bits<3> Rd;
bits<3> Rm;
let Inst{15-6} = 0b0000000000;
let Inst{5-3} = Rm;
let Inst{2-0} = Rd;
}
// FIXME: Make these predicable.
def tMOVgpr2tgpr : T1I<(outs tGPR:$dst), (ins GPR:$src), IIC_iMOVr,
"mov\t$dst, $src", []>,
T1Special<{1,0,0,?}>;
def tMOVtgpr2gpr : T1I<(outs GPR:$dst), (ins tGPR:$src), IIC_iMOVr,
"mov\t$dst, $src", []>,
T1Special<{1,0,?,0}>;
def tMOVgpr2gpr : T1I<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
"mov\t$dst, $src", []>,
T1Special<{1,0,?,?}>;
def tMOVgpr2tgpr : T1I<(outs tGPR:$Rd), (ins GPR:$Rm), IIC_iMOVr,
"mov\t$Rd, $Rm", []>,
T1Special<{1,0,0,?}> {
// A8.6.97
bits<4> Rd;
bits<4> Rm;
let Inst{7} = Rd{3};
let Inst{6-3} = Rm;
let Inst{2-0} = Rd{2-0};
}
def tMOVtgpr2gpr : T1I<(outs GPR:$Rd), (ins tGPR:$Rm), IIC_iMOVr,
"mov\t$Rd, $Rm", []>,
T1Special<{1,0,?,0}> {
// A8.6.97
bits<4> Rd;
bits<4> Rm;
let Inst{7} = Rd{3};
let Inst{6-3} = Rm;
let Inst{2-0} = Rd{2-0};
}
def tMOVgpr2gpr : T1I<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVr,
"mov\t$Rd, $Rm", []>,
T1Special<{1,0,?,?}> {
// A8.6.97
bits<4> Rd;
bits<4> Rm;
let Inst{7} = Rd{3};
let Inst{6-3} = Rm;
let Inst{2-0} = Rd{2-0};
}
} // neverHasSideEffects
// Multiply register