diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 6fcb8e0475..1463828cf8 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -2707,8 +2707,8 @@ def : T2Pat<(or (sra (shl rGPR:$Rm, (i32 24)), (i32 16)), (t2REVSH rGPR:$Rm)>; def t2PKHBT : T2ThreeReg< - (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, i32imm:$sh), - IIC_iBITsi, "pkhbt", "\t$Rd, $Rn, $Rm, lsl $sh", + (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, pkh_lsl_amt:$sh), + IIC_iBITsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh", [(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF), (and (shl rGPR:$Rm, pkh_lsl_amt:$sh), 0xFFFF0000)))]>, @@ -2735,8 +2735,8 @@ def : T2Pat<(or (and rGPR:$src1, 0xFFFF), (shl rGPR:$src2, imm16_31:$sh)), // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and // will match the pattern below. def t2PKHTB : T2ThreeReg< - (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, i32imm:$sh), - IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm, asr $sh", + (outs rGPR:$Rd), (ins rGPR:$Rn, rGPR:$Rm, pkh_asr_amt:$sh), + IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh", [(set rGPR:$Rd, (or (and rGPR:$Rn, 0xFFFF0000), (and (sra rGPR:$Rm, pkh_asr_amt:$sh), 0xFFFF)))]>, @@ -3825,3 +3825,13 @@ def : t2InstAlias<"mvn${s}${p} $Rd, $Rm", (t2MVNr rGPR:$Rd, rGPR:$Rm, pred:$p, cc_out:$s)>; def : t2InstAlias<"mvn${s}${p} $Rd, $ShiftedRm", (t2MVNs rGPR:$Rd, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>; + +// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the +// shift amount is zero (i.e., unspecified). +def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm", + (t2PKHBT rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>, + Requires<[HasT2ExtractPack, IsThumb2]>; +def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm", + (t2PKHBT rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>, + Requires<[HasT2ExtractPack, IsThumb2]>; + |