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-rw-r--r--llvm/lib/Target/ARM/ARMInstrInfo.td6
-rw-r--r--llvm/lib/Target/ARM/ARMInstrThumb2.td6
-rw-r--r--llvm/test/MC/ARM/basic-arm-instructions.s2
-rw-r--r--llvm/test/MC/ARM/basic-thumb2-instructions.s2
4 files changed, 8 insertions, 8 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index d068722f4ba..9dfbdb69d48 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -5595,13 +5595,13 @@ def : MnemonicAlias<"stmfd", "stmdb">;
def : MnemonicAlias<"stmia", "stm">;
def : MnemonicAlias<"stmea", "stm">;
-// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
-// shift amount is zero (i.e., unspecified).
+// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
+// input operands swapped when the shift amount is zero (i.e., unspecified).
def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
(PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
Requires<[IsARM, HasV6]>;
def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
- (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
+ (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p)>,
Requires<[IsARM, HasV6]>;
// PUSH/POP aliases for STM/LDM
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td
index f0e5739dfd8..35181d35377 100644
--- a/llvm/lib/Target/ARM/ARMInstrThumb2.td
+++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td
@@ -4557,13 +4557,13 @@ def : t2InstAlias<"mvn${s}${p} $Rd, $Rm",
def : t2InstAlias<"mvn${s}${p} $Rd, $ShiftedRm",
(t2MVNs rGPR:$Rd, t2_so_reg:$ShiftedRm, pred:$p, cc_out:$s)>;
-// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
-// shift amount is zero (i.e., unspecified).
+// PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
+// input operands swapped when the shift amount is zero (i.e., unspecified).
def : InstAlias<"pkhbt${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:$p)>,
+ (t2PKHBT rGPR:$Rd, rGPR:$Rm, rGPR:$Rn, 0, pred:$p)>,
Requires<[HasT2ExtractPack, IsThumb2]>;
// PUSH/POP aliases for STM/LDM
diff --git a/llvm/test/MC/ARM/basic-arm-instructions.s b/llvm/test/MC/ARM/basic-arm-instructions.s
index 99a3cfa7b29..da68a6cfd10 100644
--- a/llvm/test/MC/ARM/basic-arm-instructions.s
+++ b/llvm/test/MC/ARM/basic-arm-instructions.s
@@ -1749,7 +1749,7 @@ Lforward:
@ CHECK: pkhbt r2, r2, r3 @ encoding: [0x13,0x20,0x82,0xe6]
@ CHECK: pkhbt r2, r2, r3, lsl #15 @ encoding: [0x93,0x27,0x82,0xe6]
-@ CHECK: pkhbt r2, r2, r3 @ encoding: [0x13,0x20,0x82,0xe6]
+@ CHECK: pkhbt r2, r3, r2 @ encoding: [0x12,0x20,0x83,0xe6]
@ CHECK: pkhtb r2, r2, r3, asr #31 @ encoding: [0xd3,0x2f,0x82,0xe6]
@ CHECK: pkhtb r2, r2, r3, asr #15 @ encoding: [0xd3,0x27,0x82,0xe6]
diff --git a/llvm/test/MC/ARM/basic-thumb2-instructions.s b/llvm/test/MC/ARM/basic-thumb2-instructions.s
index c289325d6d1..4dfa6d35f6a 100644
--- a/llvm/test/MC/ARM/basic-thumb2-instructions.s
+++ b/llvm/test/MC/ARM/basic-thumb2-instructions.s
@@ -1731,7 +1731,7 @@ _func:
@ CHECK: pkhbt r2, r2, r3 @ encoding: [0xc2,0xea,0x03,0x02]
@ CHECK: pkhbt r2, r2, r3, lsl #15 @ encoding: [0xc2,0xea,0xc3,0x32]
-@ CHECK: pkhbt r2, r2, r3 @ encoding: [0xc2,0xea,0x03,0x02]
+@ CHECK: pkhbt r2, r3, r2 @ encoding: [0xc3,0xea,0x02,0x02]
@ CHECK: pkhtb r2, r2, r3, asr #31 @ encoding: [0xc2,0xea,0xe3,0x72]
@ CHECK: pkhtb r2, r2, r3, asr #15 @ encoding: [0xc2,0xea,0xe3,0x32]
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