Make the operand size reflect the size specifier on the operand tags, and implement NEG

--HG--
extra : convert_revision : da73ed6820d57f083c18f44b2fa868fc0976dd16

1 files changed, 20 insertions, 0 deletions

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 05aa6cd69..e637251d2 100644
--- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
+++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py
@@ -277,6 +277,26 @@ def macroop SBB_P_R
     sbb t1, t1, reg
     st t1, ds, [scale, index, base], disp
 };
+
+def macroop NEG_R
+{
+    sub reg, t0, reg, flags=(CF,OF,SF,ZF,AF,PF)
+};
+
+def macroop NEG_M
+{
+    ld t1, ds, [scale, index, base], disp
+    sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF)
+    st t1, ds, [scale, index, base], disp
+};
+
+def macroop NEG_P
+{
+    rdip t7
+    ld t1, ds, [0, t0, t7], disp
+    sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF)
+    st t1, ds, [0, t0, t7], disp
+};
 '''
 #let {{
 #    class ADC(Inst):