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ARM addressing mode cleanup for LDC/STC. 

We parse at least some forms of the instructions now. Encoding is
pretty screwed up, still, though.

llvm-svn: 141704
This commit is contained in:
Jim Grosbach 2011-10-11 20:17:35 +00:00
parent 037fc9311a
commit 12b2889989
1 changed files with 20 additions and 16 deletions
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36
llvm/lib/Target/ARM/ARMInstrInfo.td
View File

@ -4253,8 +4253,8 @@ class ACI<dag oops, dag iops, string opc, string asm,
multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
def _OFFSET : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
!strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
!con((ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr), ops),
!strconcat(opc, cond), "\t$cop, $CRd, $addr"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 0; // W = 0
@ -4264,8 +4264,8 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def _PRE : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
!strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
!con((ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr), ops),
!strconcat(opc, cond), "\t$cop, $CRd, $addr!", IndexModePre> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 1; // W = 1
@ -4275,8 +4275,10 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def _POST : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
!strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
!con((ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
postidx_imm8s4:$offset), ops),
!strconcat(opc, cond), "\t$cop, $CRd, $addr, $offset",
IndexModePost> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{21} = 1; // W = 1
@ -4286,9 +4288,10 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def _OPTION : ACI<(outs),
!con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
!con((ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$base,
nohash_imm:$option),
ops),
!strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
!strconcat(opc, cond), "\t$cop, $CRd, $base, \\{$option\\}"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{23} = 1; // U = 1
@ -4299,8 +4302,8 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def L_OFFSET : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
!strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
!con((ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr), ops),
!strconcat(!strconcat(opc, "l"), cond), "\t$cop, $CRd, $addr"> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
let Inst{21} = 0; // W = 0
@ -4310,8 +4313,8 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def L_PRE : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
!strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
!con((ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr), ops),
!strconcat(!strconcat(opc, "l"), cond), "\t$cop, $CRd, $addr!",
IndexModePre> {
let Inst{31-28} = op31_28;
let Inst{24} = 1; // P = 1
@ -4322,9 +4325,9 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def L_POST : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
!con((ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
postidx_imm8s4:$offset), ops),
!strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
!strconcat(!strconcat(opc, "l"), cond), "\t$cop, $CRd, $addr, $offset",
IndexModePost> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
@ -4335,10 +4338,11 @@ multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
}
def L_OPTION : ACI<(outs),
!con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
!con((ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$base,
nohash_imm:$option),
ops),
!strconcat(!strconcat(opc, "l"), cond),
"\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
"\t$cop, $CRd, $base, \\{$option\\}"> {
let Inst{31-28} = op31_28;
let Inst{24} = 0; // P = 0
let Inst{23} = 1; // U = 1