diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 2 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 33 |
2 files changed, 34 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index db52a3b9e6..fd9ee2e884 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -128,7 +128,7 @@ PseudoInst<(outs), (ins i32imm:$amt), } let isNotDuplicable = 1 in -def tPICADD : TIt<(outs tGPR:$dst), (ins tGPR:$lhs, pclabel:$cp), +def tPICADD : T1It<(outs tGPR:$dst), (ins tGPR:$lhs, pclabel:$cp), "$cp:\n\tadd $dst, pc", [(set tGPR:$dst, (ARMpic_add tGPR:$lhs, imm:$cp))]>; diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 1f5088690a..99ebaf0d39 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -315,6 +315,33 @@ multiclass T2I_cmp_is<string opc, PatFrag opnode> { } //===----------------------------------------------------------------------===// +// Miscellaneous Instructions. +// + +let isNotDuplicable = 1 in +def t2PICADD : T2I<(outs tGPR:$dst), (ins tGPR:$lhs, pclabel:$cp), + "$cp:\n\tadd $dst, pc", + [(set tGPR:$dst, (ARMpic_add tGPR:$lhs, imm:$cp))]>; + + +// LEApcrel - Load a pc-relative address into a register without offending the +// assembler. +def t2LEApcrel : T2I<(outs GPR:$dst), (ins i32imm:$label, pred:$p), + !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(", + "${:private}PCRELL${:uid}+8))\n"), + !strconcat("${:private}PCRELL${:uid}:\n\t", + "add$p $dst, pc, #PCRELV${:uid}")), + []>; + +def t2LEApcrelJT : T2I<(outs GPR:$dst), + (ins i32imm:$label, i32imm:$id, pred:$p), + !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(", + "${:private}PCRELL${:uid}+8))\n"), + !strconcat("${:private}PCRELL${:uid}:\n\t", + "add$p $dst, pc, #PCRELV${:uid}")), + []>; + +//===----------------------------------------------------------------------===// // Arithmetic Instructions. // @@ -493,6 +520,12 @@ def : Thumb2Pat<(ARMcmpNZ GPR:$src, t2_so_imm_neg:$imm), // Non-Instruction Patterns // +// ConstantPool, GlobalAddress, and JumpTable +def : Thumb2Pat<(ARMWrapper tglobaladdr :$dst), (t2LEApcrel tglobaladdr :$dst)>; +def : Thumb2Pat<(ARMWrapper tconstpool :$dst), (t2LEApcrel tconstpool :$dst)>; +def : Thumb2Pat<(ARMWrapperJT tjumptable:$dst, imm:$id), + (t2LEApcrelJT tjumptable:$dst, imm:$id)>; + // Large immediate handling. def : Thumb2Pat<(i32 imm:$src), |