[gem5-dev] Change in public/gem5[master]: x86: Use the new CondInst format for moves to/from control registers.

[Gabe Black (Gerrit)]

Gabe Black has uploaded this change for review. (  
https://gem5-review.googlesource.com/4581

Change subject: x86: Use the new CondInst format for moves to/from control  
registers.
......................................................................

x86: Use the new CondInst format for moves to/from control registers.

The condition is whether the control register index is valid.

Change-Id: I8a225fcfd4955032b5bbf7d3392ee5bcc7d6bc64
---
M src/arch/x86/isa/decoder/two_byte_opcodes.isa
1 file changed, 4 insertions(+), 2 deletions(-)



diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa  
b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 97c3dd6..8b87568 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -360,9 +360,11 @@
             0x04: decode LEGACY_DECODEVAL {
                 // no prefix
                 0x0: decode OPCODE_OP_BOTTOM3 {
-                    0x0: MOV(Rd,Cd);
+                    0x0: CondInst::MOV(
+                        {{isValidMiscReg(MISCREG_CR(MODRM_RM))}},Rd,Cd);
                     0x1: MOV(Rd,Dd);
-                    0x2: MOV(Cd,Rd);
+                    0x2: CondInst::MOV(
+                        {{isValidMiscReg(MISCREG_CR(MODRM_REG))}},Cd,Rd);
                     0x3: MOV(Dd,Rd);
                     default: UD2();
                 }

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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8a225fcfd4955032b5bbf7d3392ee5bcc7d6bc64
Gerrit-Change-Number: 4581
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <gabebl...@google.com>
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