diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 842f3372d04..e7bd9642271 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3907,17 +3907,17 @@ def : t2InstAlias<"mcr2${p} $cop, $opc1, $Rt, $CRn, $CRm", /* from coprocessor to ARM core register */ def t2MRC : t2MovRCopro<0b1110, "mrc", 1, - (outs GPR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, + (outs GPRwithAPSR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2), []>; def : t2InstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm", - (t2MRC GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, + (t2MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm, 0, pred:$p)>; def t2MRC2 : t2MovRCopro<0b1111, "mrc2", 1, - (outs GPR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, + (outs GPRwithAPSR:$Rt), (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2), []>; def : t2InstAlias<"mrc2${p} $cop, $opc1, $Rt, $CRn, $CRm", - (t2MRC2 GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, + (t2MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm, 0, pred:$p)>; def : T2v6Pat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2), diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td index 0459d645c4d..bb7d358ff18 100644 --- a/lib/Target/ARM/ARMRegisterInfo.td +++ b/lib/Target/ARM/ARMRegisterInfo.td @@ -215,7 +215,7 @@ def GPRnopc : RegisterClass<"ARM", [i32], 32, (sub GPR, PC)> { // GPRs without the PC but with APSR. Some instructions allow accessing the // APSR, while actually encoding PC in the register field. This is usefull // for assembly and disassembly only. -def GPRwithAPSR : RegisterClass<"ARM", [i32], 32, (add GPR, APSR_NZCV)> { +def GPRwithAPSR : RegisterClass<"ARM", [i32], 32, (add (sub GPR, PC), APSR_NZCV)> { let AltOrders = [(add LR, GPRnopc), (trunc GPRnopc, 8)]; let AltOrderSelect = [{ return 1 + MF.getTarget().getSubtarget().isThumb1Only(); diff --git a/test/MC/ARM/basic-arm-instructions.s b/test/MC/ARM/basic-arm-instructions.s index 66a1ff962d2..ead2ce104eb 100644 --- a/test/MC/ARM/basic-arm-instructions.s +++ b/test/MC/ARM/basic-arm-instructions.s @@ -1076,20 +1076,16 @@ Lforward: @------------------------------------------------------------------------------ mrc p14, #0, r1, c1, c2, #4 mrc p15, #7, apsr_nzcv, c15, c6, #6 - mrc p15, #7, pc, c15, c6, #6 mrc2 p14, #0, r1, c1, c2, #4 mrc2 p10, #7, apsr_nzcv, c15, c0, #1 - mrc2 p10, #7, pc, c15, c0, #1 @ CHECK: mrc p14, #0, r1, c1, c2, #4 @ encoding: [0x92,0x1e,0x11,0xee] @ CHECK: mrc p15, #7, apsr_nzcv, c15, c6, #6 @ encoding: [0xd6,0xff,0xff,0xee] -@ CHECK: mrc p15, #7, pc, c15, c6, #6 @ encoding: [0xd6,0xff,0xff,0xee] @ CHECK: mrc2 p14, #0, r1, c1, c2, #4 @ encoding: [0x92,0x1e,0x11,0xfe] @ CHECK: mrc2 p10, #7, apsr_nzcv, c15, c0, #1 @ encoding: [0x30,0xfa,0xff,0xfe] -@ CHECK: mrc2 p10, #7, pc, c15, c0, #1 @ encoding: [0x30,0xfa,0xff,0xfe] - mrceq p15, #7, pc, c15, c6, #6 -@ CHECK: mrceq p15, #7, pc, c15, c6, #6 @ encoding: [0xd6,0xff,0xff,0x0e] + mrceq p15, #7, apsr_nzcv, c15, c6, #6 +@ CHECK: mrceq p15, #7, apsr_nzcv, c15, c6, #6 @ encoding: [0xd6,0xff,0xff,0x0e] @------------------------------------------------------------------------------ @ MRRC/MRRC2 diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index f3a1c6a9f9f..b5d3966b1fb 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -1347,16 +1347,19 @@ _func: @ MRC/MRC2 @------------------------------------------------------------------------------ mrc p14, #0, r1, c1, c2, #4 - mrc2 p14, #0, r1, c1, c2, #4 - mrc p11, #1, r1, c2, c2 + mrc p15, #7, apsr_nzcv, c15, c6, #6 + mrc p11, #1, r1, c2, c2 mrc2 p12, #3, r3, c3, c4 - -@ CHECK: mrc p14, #0, r1, c1, c2, #4 @ encoding: [0x11,0xee,0x92,0x1e] -@ CHECK: mrc2 p14, #0, r1, c1, c2, #4 @ encoding: [0x11,0xfe,0x92,0x1e] -@ CHECK: mrc p11, #1, r1, c2, c2, #0 @ encoding: [0x32,0xee,0x12,0x1b] -@ CHECK: mrc2 p12, #3, r3, c3, c4, #0 @ encoding: [0x73,0xfe,0x14,0x3c] - - + mrc2 p14, #0, r1, c1, c2, #4 + mrc2 p10, #7, apsr_nzcv, c15, c0, #1 + +@ CHECK: mrc p14, #0, r1, c1, c2, #4 @ encoding: [0x11,0xee,0x92,0x1e] +@ CHECK: mrc p15, #7, apsr_nzcv, c15, c6, #6 @ encoding: [0xff,0xee,0xd6,0xff] +@ CHECK: mrc p11, #1, r1, c2, c2, #0 @ encoding: [0x32,0xee,0x12,0x1b] +@ CHECK: mrc2 p12, #3, r3, c3, c4, #0 @ encoding: [0x73,0xfe,0x14,0x3c] +@ CHECK: mrc2 p14, #0, r1, c1, c2, #4 @ encoding: [0x11,0xfe,0x92,0x1e] +@ CHECK: mrc2 p10, #7, apsr_nzcv, c15, c0, #1 @ encoding: [0xff,0xfe,0x30,0xfa] + @------------------------------------------------------------------------------ @ MRRC/MRRC2 @------------------------------------------------------------------------------