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Added 16-bit Thumb Load/Store immediate instructions with encoding bits so that

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the disassembler can properly decode Load/Store register/immediate instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93471 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Johnny Chen 2010-01-14 22:42:17 +00:00
parent 9d3c755fd6
commit 51bc5612b3
1 changed files with 24 additions and 0 deletions
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24
lib/Target/ARM/ARMInstrThumb.td
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@ -341,16 +341,28 @@ def tLDR : T1pI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr), IIC_iLoadr,
"ldr", "\t$dst, $addr",
[(set tGPR:$dst, (load t_addrmode_s4:$addr))]>,
T1LdSt<0b100>;
def tLDRi: T1pI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr), IIC_iLoadr,
"ldr", "\t$dst, $addr",
[]>,
T1LdSt4Imm<{1,?,?}>;
def tLDRB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr), IIC_iLoadr,
"ldrb", "\t$dst, $addr",
[(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>,
T1LdSt<0b110>;
def tLDRBi: T1pI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr), IIC_iLoadr,
"ldrb", "\t$dst, $addr",
[]>,
T1LdSt1Imm<{1,?,?}>;
def tLDRH : T1pI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr), IIC_iLoadr,
"ldrh", "\t$dst, $addr",
[(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>,
T1LdSt<0b101>;
def tLDRHi: T1pI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr), IIC_iLoadr,
"ldrh", "\t$dst, $addr",
[]>,
T1LdSt2Imm<{1,?,?}>;
let AddedComplexity = 10 in
def tLDRSB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_rr:$addr), IIC_iLoadr,
@ -396,16 +408,28 @@ def tSTR : T1pI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr), IIC_iStorer,
"str", "\t$src, $addr",
[(store tGPR:$src, t_addrmode_s4:$addr)]>,
T1LdSt<0b000>;
def tSTRi: T1pI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr), IIC_iStorer,
"str", "\t$src, $addr",
[]>,
T1LdSt4Imm<{0,?,?}>;
def tSTRB : T1pI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr), IIC_iStorer,
"strb", "\t$src, $addr",
[(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>,
T1LdSt<0b010>;
def tSTRBi: T1pI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr), IIC_iStorer,
"strb", "\t$src, $addr",
[]>,
T1LdSt1Imm<{0,?,?}>;
def tSTRH : T1pI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr), IIC_iStorer,
"strh", "\t$src, $addr",
[(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>,
T1LdSt<0b001>;
def tSTRHi: T1pI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr), IIC_iStorer,
"strh", "\t$src, $addr",
[]>,
T1LdSt2Imm<{0,?,?}>;
def tSTRspi : T1pIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr), IIC_iStorei,
"str", "\t$src, $addr",