[llvm] r239302 - ARM]: Add support for MMFR4_EL1 in assembler

Javed Absar javed.absar at arm.com
Mon Jun 8 08:01:12 PDT 2015


Author: javed.absar
Date: Mon Jun  8 10:01:11 2015
New Revision: 239302

URL: http://llvm.org/viewvc/llvm-project?rev=239302&view=rev
Log:
ARM]: Add support for MMFR4_EL1 in assembler

This patch adds support for system register MMFR4_EL1 (memory model feature register) in the assembler.
This register provides information about the implemented memory model and memory management support.


Modified:
    llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
    llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.h
    llvm/trunk/test/MC/AArch64/basic-a64-diagnostics.s
    llvm/trunk/test/MC/AArch64/basic-a64-instructions.s
    llvm/trunk/test/MC/Disassembler/AArch64/basic-a64-instructions.txt

Modified: llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp?rev=239302&r1=239301&r2=239302&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp Mon Jun  8 10:01:11 2015
@@ -175,6 +175,7 @@ const AArch64NamedImmMapper::Mapping AAr
   {"id_mmfr1_el1", ID_MMFR1_EL1, {}},
   {"id_mmfr2_el1", ID_MMFR2_EL1, {}},
   {"id_mmfr3_el1", ID_MMFR3_EL1, {}},
+  {"id_mmfr4_el1", ID_MMFR4_EL1, {}},
   {"id_isar0_el1", ID_ISAR0_EL1, {}},
   {"id_isar1_el1", ID_ISAR1_EL1, {}},
   {"id_isar2_el1", ID_ISAR2_EL1, {}},

Modified: llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.h?rev=239302&r1=239301&r2=239302&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.h (original)
+++ llvm/trunk/lib/Target/AArch64/Utils/AArch64BaseInfo.h Mon Jun  8 10:01:11 2015
@@ -603,6 +603,7 @@ namespace AArch64SysReg {
     ISR_EL1           = 0xc608, // 11  000  1100  0001  000
     CNTPCT_EL0        = 0xdf01, // 11  011  1110  0000  001
     CNTVCT_EL0        = 0xdf02,  // 11  011  1110  0000  010
+    ID_MMFR4_EL1      = 0xc016,  // 11  000  0000  0010  110
 
     // Trace registers
     TRCSTATR          = 0x8818, // 10  001  0000  0011  000

Modified: llvm/trunk/test/MC/AArch64/basic-a64-diagnostics.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/basic-a64-diagnostics.s?rev=239302&r1=239301&r2=239302&view=diff
==============================================================================
--- llvm/trunk/test/MC/AArch64/basic-a64-diagnostics.s (original)
+++ llvm/trunk/test/MC/AArch64/basic-a64-diagnostics.s Mon Jun  8 10:01:11 2015
@@ -3494,6 +3494,7 @@
         msr ID_MMFR1_EL1, x12
         msr ID_MMFR2_EL1, x12
         msr ID_MMFR3_EL1, x12
+        msr ID_MMFR4_EL1, x12
         msr ID_ISAR0_EL1, x12
         msr ID_ISAR1_EL1, x12
         msr ID_ISAR2_EL1, x12
@@ -3587,6 +3588,9 @@
 // CHECK-ERROR-NEXT:         msr ID_MMFR3_EL1, x12
 // CHECK-ERROR-NEXT:             ^
 // CHECK-ERROR-NEXT: error: expected writable system register or pstate
+// CHECK-ERROR-NEXT:         msr ID_MMFR4_EL1, x12
+// CHECK-ERROR-NEXT:             ^
+// CHECK-ERROR-NEXT: error: expected writable system register or pstate
 // CHECK-ERROR-NEXT:         msr ID_ISAR0_EL1, x12
 // CHECK-ERROR-NEXT:             ^
 // CHECK-ERROR-NEXT: error: expected writable system register or pstate

Modified: llvm/trunk/test/MC/AArch64/basic-a64-instructions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AArch64/basic-a64-instructions.s?rev=239302&r1=239301&r2=239302&view=diff
==============================================================================
--- llvm/trunk/test/MC/AArch64/basic-a64-instructions.s (original)
+++ llvm/trunk/test/MC/AArch64/basic-a64-instructions.s Mon Jun  8 10:01:11 2015
@@ -4306,6 +4306,7 @@ _func:
 	mrs x9, ID_MMFR1_EL1
 	mrs x9, ID_MMFR2_EL1
 	mrs x9, ID_MMFR3_EL1
+	mrs x9, ID_MMFR4_EL1
 	mrs x9, ID_ISAR0_EL1
 	mrs x9, ID_ISAR1_EL1
 	mrs x9, ID_ISAR2_EL1
@@ -4606,6 +4607,7 @@ _func:
 // CHECK: mrs      x9, {{id_mmfr1_el1|ID_MMFR1_EL1}}           // encoding: [0xa9,0x01,0x38,0xd5]
 // CHECK: mrs      x9, {{id_mmfr2_el1|ID_MMFR2_EL1}}           // encoding: [0xc9,0x01,0x38,0xd5]
 // CHECK: mrs      x9, {{id_mmfr3_el1|ID_MMFR3_EL1}}           // encoding: [0xe9,0x01,0x38,0xd5]
+// CHECK: mrs      x9, {{id_mmfr4_el1|ID_MMFR4_EL1}}           // encoding: [0xc9,0x02,0x38,0xd5]
 // CHECK: mrs      x9, {{id_isar0_el1|ID_ISAR0_EL1}}           // encoding: [0x09,0x02,0x38,0xd5]
 // CHECK: mrs      x9, {{id_isar1_el1|ID_ISAR1_EL1}}           // encoding: [0x29,0x02,0x38,0xd5]
 // CHECK: mrs      x9, {{id_isar2_el1|ID_ISAR2_EL1}}           // encoding: [0x49,0x02,0x38,0xd5]

Modified: llvm/trunk/test/MC/Disassembler/AArch64/basic-a64-instructions.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/AArch64/basic-a64-instructions.txt?rev=239302&r1=239301&r2=239302&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/AArch64/basic-a64-instructions.txt (original)
+++ llvm/trunk/test/MC/Disassembler/AArch64/basic-a64-instructions.txt Mon Jun  8 10:01:11 2015
@@ -3414,6 +3414,7 @@
 # CHECK: mrs      x9, {{id_mmfr1_el1|ID_MMFR1_EL1}}
 # CHECK: mrs      x9, {{id_mmfr2_el1|ID_MMFR2_EL1}}
 # CHECK: mrs      x9, {{id_mmfr3_el1|ID_MMFR3_EL1}}
+# CHECK: mrs      x9, {{id_mmfr4_el1|ID_MMFR4_EL1}}
 # CHECK: mrs      x9, {{id_isar0_el1|ID_ISAR0_EL1}}
 # CHECK: mrs      x9, {{id_isar1_el1|ID_ISAR1_EL1}}
 # CHECK: mrs      x9, {{id_isar2_el1|ID_ISAR2_EL1}}
@@ -3968,6 +3969,7 @@
 0xa9 0x1 0x38 0xd5
 0xc9 0x1 0x38 0xd5
 0xe9 0x1 0x38 0xd5
+0xc9 0x2 0x38 0xd5
 0x9 0x2 0x38 0xd5
 0x29 0x2 0x38 0xd5
 0x49 0x2 0x38 0xd5





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