diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb.td')
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 754295f..e17f73a 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -269,7 +269,8 @@ class T1SystemEncoding<bits<8> opc> let Inst{7-0} = opc; } -def tHINT : T1pI<(outs), (ins imm0_15:$imm), NoItinerary, "hint", "\t$imm", []>, +def tHINT : T1pI<(outs), (ins imm0_15:$imm), NoItinerary, "hint", "\t$imm", + [(int_arm_hint imm0_15:$imm)]>, T1SystemEncoding<0x00>, Requires<[IsThumb, HasV6M]> { bits<4> imm; @@ -288,7 +289,6 @@ def : tHintAlias<"sev$p", (tHINT 4, pred:$p)>; // A8.6.157 def : tInstAlias<"sevl$p", (tHINT 5, pred:$p)> { let Predicates = [IsThumb2, HasV8]; } -def : T2Pat<(int_arm_sevl), (tHINT 5)>; // The imm operand $val can be used by a debugger to store more information // about the breakpoint. @@ -1193,6 +1193,15 @@ def tTST : // A8.6.230 [(ARMcmpZ (and_su tGPR:$Rn, tGPR:$Rm), 0)]>, Sched<[WriteALU]>; +// A8.8.247 UDF - Undefined (Encoding T1) +def tUDF : TI<(outs), (ins imm0_255:$imm8), IIC_Br, "udf\t$imm8", + [(int_arm_undefined imm0_255:$imm8)]>, Encoding16 { + bits<8> imm8; + let Inst{15-12} = 0b1101; + let Inst{11-8} = 0b1110; + let Inst{7-0} = imm8; +} + // Zero-extend byte def tUXTB : // A8.6.262 T1pIMiscEncode<{0,0,1,0,1,1,?}, (outs tGPR:$Rd), (ins tGPR:$Rm), @@ -1308,6 +1317,18 @@ def : T1Pat<(addc tGPR:$lhs, imm8_255_neg:$rhs), def : T1Pat<(subc tGPR:$lhs, tGPR:$rhs), (tSUBrr tGPR:$lhs, tGPR:$rhs)>; +// Bswap 16 with load/store +def : T1Pat<(srl (bswap (extloadi16 t_addrmode_rrs2:$addr)), (i32 16)), + (tREV16 (tLDRHr t_addrmode_rrs2:$addr))>; +def : T1Pat<(srl (bswap (extloadi16 t_addrmode_is2:$addr)), (i32 16)), + (tREV16 (tLDRHi t_addrmode_is2:$addr))>; +def : T1Pat<(truncstorei16 (srl (bswap tGPR:$Rn), (i32 16)), + t_addrmode_rrs2:$addr), + (tSTRHr (tREV16 tGPR:$Rn), t_addrmode_rrs2:$addr)>; +def : T1Pat<(truncstorei16 (srl (bswap tGPR:$Rn), (i32 16)), + t_addrmode_is2:$addr), + (tSTRHi(tREV16 tGPR:$Rn), t_addrmode_is2:$addr)>; + // ConstantPool def : T1Pat<(ARMWrapper tconstpool :$dst), (tLEApcrel tconstpool :$dst)>; |