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ARM assembly parsing aliases for extend instructions w/o rotate.

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llvm-svn: 136229
This commit is contained in:
Jim Grosbach 2011-07-27 18:19:32 +00:00
parent cd7dd596b2
commit 2231f302a0
1 changed files with 22 additions and 0 deletions
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22
lib/Target/ARM/ARMInstrInfo.td
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@ -4342,3 +4342,25 @@ def : InstAlias<"rsc${s}${p} $Rdn, $shift",
// SSAT optional shift operand.
def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
(SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;
// Extend instruction optional rotate operand.
def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
(SXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
(SXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
(SXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb${p} $Rd, $Rm", (SXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb16${p} $Rd, $Rm", (SXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxth${p} $Rd, $Rm", (SXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
(UXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
(UXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
(UXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb${p} $Rd, $Rm", (UXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb16${p} $Rd, $Rm", (UXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxth${p} $Rd, $Rm", (UXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;