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| author | David Goodwin <david_goodwin@apple.com> | 2009-07-01 00:01:13 +0000 |
|---|---|---|
| committer | David Goodwin <david_goodwin@apple.com> | 2009-07-01 00:01:13 +0000 |
| commit | d1fa120aeec67e94e6ed6056593ccb630fe2db0e (patch) | |
| tree | 43dab5d1dfd23fa4c5088c600effaa9e89d6051e /lib/Target | |
| parent | db47ed0925ce97f3134189c96ebc35b2cdae1ce3 (diff) | |
Add PIC load and store patterns for Thumb-2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74577 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 2bc71f8731..e135c8153a 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -419,6 +419,18 @@ multiclass T2I_st<string opc, PatFrag opnode> { [(opnode GPR:$src, t2addrmode_so_reg:$addr)]>; } +/// T2I_picld - Defines the PIC load pattern. +class T2I_picld<string opc, PatFrag opnode> : + T2I<(outs GPR:$dst), (ins addrmodepc:$addr), + !strconcat("${addr:label}:\n\t", opc), " $dst, $addr", + [(set GPR:$dst, (opnode addrmodepc:$addr))]>; + +/// T2I_picst - Defines the PIC store pattern. +class T2I_picst<string opc, PatFrag opnode> : + T2I<(outs), (ins GPR:$src, addrmodepc:$addr), + !strconcat("${addr:label}:\n\t", opc), " $src, $addr", + [(opnode GPR:$src, addrmodepc:$addr)]>; + //===----------------------------------------------------------------------===// // Instructions //===----------------------------------------------------------------------===// @@ -539,6 +551,22 @@ let mayLoad = 1 in def t2STRDi8 : T2Ii8s4<(outs), (ins GPR:$src, t2addrmode_imm8s4:$addr), "strd", " $src, $addr", []>; + +// Address computation and loads and stores in PIC mode. +let isNotDuplicable = 1, AddedComplexity = 10 in { +let canFoldAsLoad = 1 in +def t2PICLDR : T2I_picld<"ldr", UnOpFrag<(load node:$Src)>>; + +def t2PICLDRH : T2I_picld<"ldrh", UnOpFrag<(zextloadi16 node:$Src)>>; +def t2PICLDRB : T2I_picld<"ldrb", UnOpFrag<(zextloadi8 node:$Src)>>; +def t2PICLDRSH : T2I_picld<"ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>; +def t2PICLDRSB : T2I_picld<"ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>; + +def t2PICSTR : T2I_picst<"str", BinOpFrag<(store node:$LHS, node:$RHS)>>; +def t2PICSTRH : T2I_picst<"strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>; +def t2PICSTRB : T2I_picst<"strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>; +} // isNotDuplicable = 1, AddedComplexity = 10 + //===----------------------------------------------------------------------===// // Move Instructions. // |