diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 2fc7d2f..0b5df3b 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1109,10 +1109,13 @@ def t2STRHT : T2IstT<0b01, "strht">; // T2Ipl (Preload Data/Instruction) signals the memory system of possible future // data/instruction access. These are for disassembly only. +// +// A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0. +// The neg_zero operand translates -0 to -1, -1 to -2, ..., etc. multiclass T2Ipl<bit instr, bit write, string opc> { - def i12 : T2I<(outs), (ins t2addrmode_imm12:$addr), IIC_iLoadi, opc, - "\t$addr", []> { + def i12 : T2I<(outs), (ins GPR:$base, i32imm:$imm), IIC_iLoadi, opc, + "\t[$base, $imm]", []> { let Inst{31-25} = 0b1111100; let Inst{24} = instr; let Inst{23} = 1; // U = 1 @@ -1122,8 +1125,8 @@ multiclass T2Ipl<bit instr, bit write, string opc> { let Inst{15-12} = 0b1111; } - def i8 : T2I<(outs), (ins t2addrmode_imm8:$addr), IIC_iLoadi, opc, - "\t$addr", []> { + def i8 : T2I<(outs), (ins GPR:$base, neg_zero:$imm), IIC_iLoadi, opc, + "\t[$base, $imm]", []> { let Inst{31-25} = 0b1111100; let Inst{24} = instr; let Inst{23} = 0; // U = 0 @@ -1134,9 +1137,8 @@ multiclass T2Ipl<bit instr, bit write, string opc> { let Inst{11-8} = 0b1100; } - // A8.6.118 #0 and #-0 differs. Translates -0 to -1, -1 to -2, ..., etc. - def pci : T2I<(outs), (ins GPR:$base, i32imm:$imm), IIC_iLoadi, opc, - "\t[pc, ${imm:negzero}]", []> { + def pci : T2I<(outs), (ins GPR:$base, neg_zero:$imm), IIC_iLoadi, opc, + "\t[pc, $imm]", []> { let Inst{31-25} = 0b1111100; let Inst{24} = instr; let Inst{23} = ?; // add = (U == 1) @@ -2469,7 +2471,7 @@ def t2BXJ : T2I<(outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func", // opt{5} = changemode from Inst{17} // opt{8-6} = AIF from Inst{8-6} // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable -def t2CPS : T2XI<(outs),(ins i32imm:$opt), NoItinerary, "cps${opt:cps}", +def t2CPS : T2XI<(outs),(ins cps_opt:$opt), NoItinerary, "cps$opt", [/* For disassembly only; pattern left blank */]> { let Inst{31-27} = 0b11110; let Inst{26} = 0; @@ -2638,8 +2640,8 @@ def t2MRSsys : T2I<(outs GPR:$dst), (ins), NoItinerary, "mrs", "\t$dst, spsr", } // Rn = Inst{19-16} -def t2MSR : T2I<(outs), (ins GPR:$src, i32imm:$mask), NoItinerary, "msr", - "\tcpsr${mask:msr}, $src", +def t2MSR : T2I<(outs), (ins GPR:$src, msr_mask:$mask), NoItinerary, "msr", + "\tcpsr$mask, $src", [/* For disassembly only; pattern left blank */]> { let Inst{31-27} = 0b11110; let Inst{26} = 0; @@ -2650,8 +2652,8 @@ def t2MSR : T2I<(outs), (ins GPR:$src, i32imm:$mask), NoItinerary, "msr", } // Rn = Inst{19-16} -def t2MSRsys : T2I<(outs), (ins GPR:$src, i32imm:$mask), NoItinerary, "msr", - "\tspsr${mask:msr}, $src", +def t2MSRsys : T2I<(outs), (ins GPR:$src, msr_mask:$mask), NoItinerary, "msr", + "\tspsr$mask, $src", [/* For disassembly only; pattern left blank */]> { let Inst{31-27} = 0b11110; let Inst{26} = 0; |