diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrFormats.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrFormats.td | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td index 66babd6737..c6c96a86ac 100644 --- a/lib/Target/ARM/ARMInstrFormats.td +++ b/lib/Target/ARM/ARMInstrFormats.td @@ -33,6 +33,8 @@ def LdMiscFrm : Format<8>; def StMiscFrm : Format<9>; def LdStMulFrm : Format<10>; +def LdStExFrm : Format<28>; + def ArithMiscFrm : Format<11>; def ExtFrm : Format<12>; @@ -264,6 +266,28 @@ class JTI<dag oops, dag iops, InstrItinClass itin, : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin, asm, "", pattern>; + +// Atomic load/store instructions + +class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin, + opc, asm, "", pattern> { + let Inst{27-23} = 0b00011; + let Inst{22-21} = opcod; + let Inst{20} = 1; + let Inst{11-0} = 0b111110011111; +} +class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin, + string opc, string asm, list<dag> pattern> + : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin, + opc, asm, "", pattern> { + let Inst{27-23} = 0b00011; + let Inst{22-21} = opcod; + let Inst{20} = 0; + let Inst{11-0} = 0b111110011111; +} + // addrmode1 instructions class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin, string opc, string asm, list<dag> pattern> |