diff options
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb2.td | 6 | ||||
| -rw-r--r-- | llvm/test/MC/ARM/thumb2-ldrexd-strexd.s | 14 |
2 files changed, 18 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td index 00a9c8bf208..ac190585409 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb2.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td @@ -3309,7 +3309,8 @@ def t2LDREXD : T2I_ldrex<0b0111, (outs rGPR:$Rt, rGPR:$Rt2), (ins addr_offset_none:$addr), AddrModeNone, 4, NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", "", - [], {?, ?, ?, ?}> { + [], {?, ?, ?, ?}>, + Requires<[IsThumb2, IsNotMClass]> { bits<4> Rt2; let Inst{11-8} = Rt2; } @@ -3385,7 +3386,8 @@ def t2STREXD : T2I_strex<0b0111, (outs rGPR:$Rd), (ins rGPR:$Rt, rGPR:$Rt2, addr_offset_none:$addr), AddrModeNone, 4, NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", "", [], - {?, ?, ?, ?}> { + {?, ?, ?, ?}>, + Requires<[IsThumb2, IsNotMClass]> { bits<4> Rt2; let Inst{11-8} = Rt2; } diff --git a/llvm/test/MC/ARM/thumb2-ldrexd-strexd.s b/llvm/test/MC/ARM/thumb2-ldrexd-strexd.s new file mode 100644 index 00000000000..3ffb0cb6eaf --- /dev/null +++ b/llvm/test/MC/ARM/thumb2-ldrexd-strexd.s @@ -0,0 +1,14 @@ +@ RUN: llvm-mc -triple=thumbv6t2--none-eabi -show-encoding < %s | FileCheck %s +@ RUN: llvm-mc -triple=thumbv7a--none-eabi -show-encoding < %s | FileCheck %s +@ RUN: llvm-mc -triple=thumbv7r--none-eabi -show-encoding < %s | FileCheck %s +@ RUN: llvm-mc -triple=thumbv8a--none-eabi -show-encoding < %s | FileCheck %s +@ RUN: not llvm-mc -triple=thumbv7m--none-eabi -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=UNDEF + + ldrexd r0, r1, [r2] + strexd r3, r4, r5, [r6] + +@ CHECK: ldrexd r0, r1, [r2] @ encoding: [0xd2,0xe8,0x7f,0x01] +@ CHECK: strexd r3, r4, r5, [r6] @ encoding: [0xc6,0xe8,0x73,0x45] + +@ UNDEF: error: instruction requires: !armv*m +@ UNDEF: error: instruction requires: !armv*m |
