From: Gabe Black <gblack@eecs.umich.edu>
Date: Tue, 17 Jul 2007 23:50:13 +0000 (-0700)
Subject: Use limm to set up immediate value for subtract instruction.
X-Git-Tag: m5_2.0_beta4~297^2~47
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=62ffc71faba7f2cf05ab7e3fc0624a2c12bf6486;p=gem5.git

Use limm to set up immediate value for subtract instruction.

--HG--
extra : convert_revision : f94e391e36a47c2f5222f30d7e28f48f7875db58
---

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 809b9ac7c..fbfe4be7e 100644
--- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
+++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
@@ -56,21 +56,24 @@
 microcode = '''
 def macroop SUB_R_I
 {
-    subi reg, reg, imm
+    limm t1, imm
+    sub reg, reg, t1
 };
 
 def macroop SUB_M_I
 {
+    limm t2, imm
     ld t1, ds, [scale, index, base], disp
-    subi t1, t1, imm
+    sub t1, t1, t2
     st t1, ds, [scale, index, base], disp
 };
 
 def macroop SUB_P_I
 {
     rdip t7
+    limm t2, imm
     ld t1, ds, [scale, index, base], disp
-    subi t1, t1, imm
+    sub t1, t1, t2
     st t1, ds, [scale, index, base], disp
 };
 '''