diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 0729da1a8ea2..a558a61592f5 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -3328,7 +3328,8 @@ parseMSRMaskOperand(SmallVectorImpl &Operands) { FlagsVal = 8; // No flag } } else if (SpecReg == "cpsr" || SpecReg == "spsr") { - if (Flags == "all") // cpsr_all is an alias for cpsr_fc + // cpsr_all is an alias for cpsr_fc, as is plain cpsr. + if (Flags == "all" || Flags == "") Flags = "fc"; for (int i = 0, e = Flags.size(); i != e; ++i) { unsigned Flag = StringSwitch(Flags.substr(i, 1)) diff --git a/llvm/test/MC/ARM/basic-thumb2-instructions.s b/llvm/test/MC/ARM/basic-thumb2-instructions.s index 0b8257fdb95a..c6ef8aff0b12 100644 --- a/llvm/test/MC/ARM/basic-thumb2-instructions.s +++ b/llvm/test/MC/ARM/basic-thumb2-instructions.s @@ -1268,6 +1268,7 @@ _func: msr spsr_fc, r0 msr SPSR_fsxc, r5 msr cpsr_fsxc, r8 + msr cpsr, r3 @ CHECK: msr APSR_nzcvq, r1 @ encoding: [0x81,0xf3,0x00,0x88] @ CHECK: msr APSR_g, r2 @ encoding: [0x82,0xf3,0x00,0x84] @@ -1283,6 +1284,7 @@ _func: @ CHECK: msr SPSR_fc, r0 @ encoding: [0x90,0xf3,0x00,0x89] @ CHECK: msr SPSR_fsxc, r5 @ encoding: [0x95,0xf3,0x00,0x8f] @ CHECK: msr CPSR_fsxc, r8 @ encoding: [0x88,0xf3,0x00,0x8f] +@ CHECK: msr CPSR_fc, r3 @ encoding: [0x83,0xf3,0x00,0x89] @------------------------------------------------------------------------------