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Add ARM mode operand encoding information for ADDE/SUBE instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116412 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2010-10-13 18:00:52 +00:00
parent 6d8628061b
commit 24989ecc70
2 changed files with 65 additions and 19 deletions
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75
lib/Target/ARM/ARMInstrInfo.td
View File

@ -679,50 +679,87 @@ multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
let Uses = [CPSR] in {
multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
[(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
let Inst{25} = 1;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
let Inst{11-0} = imm;
}
def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
[(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM]> {
let isCommutable = Commutable;
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
let isCommutable = Commutable;
let Inst{3-0} = Rm;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
}
def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
[(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{25} = 0;
let Inst{11-0} = shift;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
}
}
// Carry setting variants
let Defs = [CPSR] in {
multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
[(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
[(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> imm;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
let Inst{11-0} = imm;
let Inst{20} = 1;
let Inst{25} = 1;
}
def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
[(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
[(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<4> Rm;
let Inst{11-4} = 0b00000000;
let isCommutable = Commutable;
let Inst{3-0} = Rm;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
let Inst{20} = 1;
let Inst{25} = 0;
}
def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
[(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
[(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
Requires<[IsARM]> {
bits<4> Rd;
bits<4> Rn;
bits<12> shift;
let Inst{11-0} = shift;
let Inst{15-12} = Rd;
let Inst{19-16} = Rn;
let Inst{20} = 1;
let Inst{25} = 0;
}

9
test/MC/ARM/simple-encoding.ll
View File

@ -55,4 +55,13 @@ entry:
%retval.0 = select i1 %cmp, i32 %b, i32 %c
ret i32 %retval.0
}
define i64 @f6(i64 %a, i64 %b, i64 %c) nounwind readnone optsize ssp {
entry:
; CHECK: f6
; CHECK: adds r0, r2, r0 @ encoding: [0x00,0x00,0x92,0xe0]
; CHECK: adc r1, r3, r1 @ encoding: [0x01,0x10,0xa3,0xe0]
%add = add nsw i64 %b, %a
ret i64 %add
}
declare void @llvm.trap() nounwind