X86: Implement the floating point media subtract instructions.

2 files changed, 86 insertions, 8 deletions

diff --git a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
index 10669136b..378abc070 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
@@ -54,22 +54,73 @@
 # Authors: Gabe Black
 
 microcode = '''
-# SUBPS
-# SUBPD
-# SUBSS
+def macroop SUBSS_XMM_XMM {
+    msubf xmml, xmml, xmmlm, size=4, ext=1
+};
+
+def macroop SUBSS_XMM_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    msubf xmml, xmml, ufp1, size=4, ext=1
+};
+
+def macroop SUBSS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    msubf xmml, xmml, ufp1, size=4, ext=1
+};
 
 def macroop SUBSD_XMM_XMM {
-    subfp xmml, xmml, xmmlm
+    msubf xmml, xmml, xmmlm, size=8, ext=1
 };
 
 def macroop SUBSD_XMM_M {
     ldfp ufp1, seg, sib, disp, dataSize=8
-    subfp xmml, xmml, ufp1
+    msubf xmml, xmml, ufp1, size=8, ext=1
 };
 
 def macroop SUBSD_XMM_P {
     rdip t7
     ldfp ufp1, seg, riprel, disp, dataSize=8
-    subfp xmml, xmml, ufp1
+    msubf xmml, xmml, ufp1, size=8, ext=1
+};
+
+def macroop SUBPS_XMM_XMM {
+    msubf xmml, xmml, xmmlm, size=4, ext=0
+    msubf xmmh, xmmh, xmmhm, size=4, ext=0
+};
+
+def macroop SUBPS_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    msubf xmml, xmml, ufp1, size=4, ext=0
+    msubf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop SUBPS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    msubf xmml, xmml, ufp1, size=4, ext=0
+    msubf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop SUBPD_XMM_XMM {
+    msubf xmml, xmml, xmmlm, size=8, ext=0
+    msubf xmmh, xmmh, xmmhm, size=8, ext=0
+};
+
+def macroop SUBPD_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    msubf xmml, xmml, ufp1, size=8, ext=0
+    msubf xmmh, xmmh, ufp2, size=8, ext=0
+};
+
+def macroop SUBPD_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    msubf xmml, xmml, ufp1, size=8, ext=0
+    msubf xmmh, xmmh, ufp2, size=8, ext=0
 };
 '''
diff --git a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
index 6e4c1804d..363794411 100644
--- a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
+++ b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
@@ -54,6 +54,33 @@
 # Authors: Gabe Black
 
 microcode = '''
-# PFSUB
-# PFSUBR
+def macroop PFSUB_MMX_MMX {
+    msubf mmx, mmx, mmxm, size=4, ext=0
+};
+
+def macroop PFSUB_MMX_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    msubf mmx, mmx, ufp1, size=4, ext=0
+};
+
+def macroop PFSUB_MMX_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    msubf mmx, mmx, ufp1, size=4, ext=0
+};
+
+def macroop PFSUBR_MMX_MMX {
+    msubf mmx, mmxm, mmx, size=4, ext=0
+};
+
+def macroop PFSUBR_MMX_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    msubf mmx, ufp1, mmx, size=4, ext=0
+};
+
+def macroop PFSUBR_MMX_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    msubf mmx, ufp1, mmx, size=4, ext=0
+};
 '''