From: Gabe Black <gblack@eecs.umich.edu>
Date: Wed, 18 Jul 2007 23:33:56 +0000 (-0700)
Subject: Implement some forms of add.
X-Git-Tag: m5_2.0_beta4~297^2~35
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6c54b654a880ffa83a16a043d90612bd49815de6;p=gem5.git

Implement some forms of add.

--HG--
extra : convert_revision : adbff2e9b9952ec09853cc43d40243e7262410a7
---

diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index 6c54f77bc..82e50e745 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -297,7 +297,7 @@
             }
             //0x3: group1_Ev_Ib();
             0x3: decode MODRM_REG {
-                0x0: add_Ev_Ib();
+                0x0: Inst::ADD(Ev,Ib);
                 0x1: or_Ev_Ib();
                 0x2: adc_Ev_Ib();
                 0x3: sbb_Ev_Ib();
diff --git a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
index fbfe4be7e..4d6e40c74 100644
--- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
+++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
@@ -54,6 +54,29 @@
 # Authors: Gabe Black
 
 microcode = '''
+def macroop ADD_R_I
+{
+    limm t1, imm
+    add reg, reg, t1
+};
+
+def macroop ADD_M_I
+{
+    limm t2, imm
+    ld t1, ds, [scale, index, base], disp
+    add t1, t1, t2
+    st t1, ds, [scale, index, base], disp
+};
+
+def macroop ADD_P_I
+{
+    rdip t7
+    limm t2, imm
+    ld t1, ds, [scale, index, base], disp
+    add t1, t1, t2
+    st t1, ds, [scale, index, base], disp
+};
+
 def macroop SUB_R_I
 {
     limm t1, imm