From 5d834c28ebd0fba5f1626486b3cbd2d6a476dead Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 17 Aug 2009 20:04:03 -0700
Subject: [PATCH] X86: Implement the integer media max instructions.

---
 src/arch/x86/isa/decoder/two_byte_opcodes.isa |  8 ++--
 .../compare_and_write_minimum_or_maximum.py   | 41 ++++++++++++++++++-
 .../compare_and_write_minimum_or_maximum.py   | 31 +++++++++++++-
 3 files changed, 72 insertions(+), 8 deletions(-)

diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index c53cdc838..f557a209d 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -983,7 +983,7 @@
                     0x3: Inst::PAND(Pq,Qq);
                     0x4: Inst::PADDUSB(Pq,Qq);
                     0x5: Inst::PADDUSW(Pq,Qq);
-                    0x6: pmaxub_Pq_Qq();
+                    0x6: Inst::PMAXUB(Pq,Qq);
                     0x7: Inst::PANDN(Pq,Qq);
                 }
                 // operand size (0x66)
@@ -994,7 +994,7 @@
                     0x3: Inst::PAND(Vo,Wo);
                     0x4: Inst::PADDUSB(Vo,Wo);
                     0x5: Inst::PADDUSW(Vo,Wo);
-                    0x6: pmaxub_Vo_Wo();
+                    0x6: Inst::PMAXUB(Vo,Wo);
                     0x7: Inst::PANDN(Vo,Wo);
                 }
                 default: Inst::UD2();
@@ -1043,7 +1043,7 @@
                     0x3: Inst::POR(Pq,Qq);
                     0x4: Inst::PADDSB(Pq,Qq);
                     0x5: Inst::PADDSW(Pq,Qq);
-                    0x6: pmaxsw_Pq_Qq();
+                    0x6: Inst::PMAXSW(Pq,Qq);
                     0x7: Inst::PXOR(Pq,Qq);
                 }
                 // operand size (0x66)
@@ -1054,7 +1054,7 @@
                     0x3: Inst::POR(Vo,Wo);
                     0x4: Inst::PADDSB(Vo,Wo);
                     0x5: Inst::PADDSW(Vo,Wo);
-                    0x6: pmaxsw_Vo_Wo();
+                    0x6: Inst::PMAXSW(Vo,Wo);
                     0x7: Inst::PXOR(Vo,Wo);
                 }
                 default: Inst::UD2();
diff --git a/src/arch/x86/isa/insts/simd128/integer/compare/compare_and_write_minimum_or_maximum.py b/src/arch/x86/isa/insts/simd128/integer/compare/compare_and_write_minimum_or_maximum.py
index d7f191506..d3bfbb529 100644
--- a/src/arch/x86/isa/insts/simd128/integer/compare/compare_and_write_minimum_or_maximum.py
+++ b/src/arch/x86/isa/insts/simd128/integer/compare/compare_and_write_minimum_or_maximum.py
@@ -94,6 +94,43 @@ def macroop PMINSW_XMM_P {
     mmini xmmh, xmmh, ufp2, size=2, ext=2
 };
 
-# PMAXUB
-# PMAXSW
+def macroop PMAXUB_XMM_XMM {
+    mmaxi xmml, xmml, xmmlm, size=1, ext=0
+    mmaxi xmmh, xmmh, xmmhm, size=1, ext=0
+};
+
+def macroop PMAXUB_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    mmaxi xmml, xmml, ufp1, size=1, ext=0
+    mmaxi xmmh, xmmh, ufp2, size=1, ext=0
+};
+
+def macroop PMAXUB_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    mmaxi xmml, xmml, ufp1, size=1, ext=0
+    mmaxi xmmh, xmmh, ufp2, size=1, ext=0
+};
+
+def macroop PMAXSW_XMM_XMM {
+    mmaxi xmml, xmml, xmmlm, size=2, ext=2
+    mmaxi xmmh, xmmh, xmmhm, size=2, ext=2
+};
+
+def macroop PMAXSW_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    mmaxi xmml, xmml, ufp1, size=2, ext=2
+    mmaxi xmmh, xmmh, ufp2, size=2, ext=2
+};
+
+def macroop PMAXSW_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    mmaxi xmml, xmml, ufp1, size=2, ext=2
+    mmaxi xmmh, xmmh, ufp2, size=2, ext=2
+};
 '''
diff --git a/src/arch/x86/isa/insts/simd64/integer/compare/compare_and_write_minimum_or_maximum.py b/src/arch/x86/isa/insts/simd64/integer/compare/compare_and_write_minimum_or_maximum.py
index 34c1799b0..8d8247300 100644
--- a/src/arch/x86/isa/insts/simd64/integer/compare/compare_and_write_minimum_or_maximum.py
+++ b/src/arch/x86/isa/insts/simd64/integer/compare/compare_and_write_minimum_or_maximum.py
@@ -84,6 +84,33 @@ def macroop PMINSW_MMX_P {
     mmini mmx, mmx, ufp1, size=2, ext=2
 };
 
-# PMAXUB
-# PMAXSW
+def macroop PMAXUB_MMX_MMX {
+    mmaxi mmx, mmx, mmxm, size=1, ext=0
+};
+
+def macroop PMAXUB_MMX_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    mmaxi mmx, mmx, ufp1, size=1, ext=0
+};
+
+def macroop PMAXUB_MMX_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    mmaxi mmx, mmx, ufp1, size=1, ext=0
+};
+
+def macroop PMAXSW_MMX_MMX {
+    mmaxi mmx, mmx, mmxm, size=2, ext=2
+};
+
+def macroop PMAXSW_MMX_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    mmaxi mmx, mmx, ufp1, size=2, ext=2
+};
+
+def macroop PMAXSW_MMX_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    mmaxi mmx, mmx, ufp1, size=2, ext=2
+};
 '''