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-rw-r--r--lib/Target/ARM/ARMInstrThumb2.td8
-rw-r--r--lib/Target/ARM/ARMRegisterInfo.td2
-rw-r--r--test/MC/ARM/basic-arm-instructions.s8
-rw-r--r--test/MC/ARM/basic-thumb2-instructions.s21
4 files changed, 19 insertions, 20 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 842f3372d0..e7bd964227 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 0459d645c4..bb7d358ff1 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<ARMSubtarget>().isThumb1Only();
diff --git a/test/MC/ARM/basic-arm-instructions.s b/test/MC/ARM/basic-arm-instructions.s
index 66a1ff962d..ead2ce104e 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 f3a1c6a9f9..b5d3966b1f 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
@------------------------------------------------------------------------------