From 34f528bd95685e8675bd28d02c51ae3eb549c196 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 17 Aug 2009 18:32:12 -0700
Subject: X86: Implement the media floating point min instructions.

---
 src/arch/x86/isa/decoder/two_byte_opcodes.isa      | 12 ++--
 .../compare_and_write_minimum_or_maximum.py        | 75 ++++++++++++++++++++--
 2 files changed, 76 insertions(+), 11 deletions(-)

(limited to 'src/arch')

diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 39d56212d..6a18e6c62 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -509,7 +509,7 @@
                     0x2: cvtps2pd_Vo_Wq();
                     0x3: cvtdq2ps_Vo_Wo();
                     0x4: subps_Vo_Wo();
-                    0x5: minps_Vo_Wo();
+                    0x5: Inst::MINPS(Vo,Wo);
                     0x6: divps_Vo_Wo();
                     0x7: maxps_Vo_Wo();
                 }
@@ -520,7 +520,7 @@
                     0x2: cvtss2sd_Vq_Wd();
                     0x3: cvttps2dq_Vo_Wo();
                     0x4: subss_Vd_Wd();
-                    0x5: minss_Vd_Wd();
+                    0x5: Inst::MINSS(Vd,Wd);
                     0x6: divss_Vd_Wd();
                     0x7: maxss_Vd_Wd();
                 }
@@ -531,7 +531,7 @@
                     0x2: cvtpd2ps_Vo_Wo();
                     0x3: cvtps2dq_Vo_Wo();
                     0x4: subpd_Vo_Wo();
-                    0x5: minpd_Vo_Wo();
+                    0x5: Inst::MINPD(Vo,Wo);
                     0x6: divpd_Vo_Wo();
                     0x7: maxpd_Vo_Wo();
                 }
@@ -541,7 +541,7 @@
                     0x1: Inst::MULSD(Vq,Wq);
                     0x2: cvtsd2ss_Vd_Wq();
                     0x4: Inst::SUBSD(Vq,Wq);
-                    0x5: minsd_Vq_Wq();
+                    0x5: Inst::MINSD(Vq,Wq);
                     0x6: Inst::DIVSD(Vq,Wq);
                     0x7: maxsd_Vq_Wq();
                     default: Inst::UD2();
@@ -916,7 +916,7 @@
                         0x2: cmpccps_Vo_Wo_Ib();
                         0x3: cvtdq2ps_Vo_Wo();
                         0x4: subps_Vo_Wo();
-                        0x5: minps_Vo_Wo();
+                        0x5: Inst::MINPS(Vo,Wo);
                         0x6: divps_Vo_Wo();
                     }
                     // repe (0xF3)
@@ -928,7 +928,7 @@
                     0x1: decode OPCODE_OP_BOTTOM3 {
                         0x2: cmpccpd_Vo_Wo_Ib();
                         0x4: subpd_Vo_Wo();
-                        0x5: minpd_Vo_Wo();
+                        0x5: Inst::MINPD(Vo,Wo);
                         0x6: divpd_Vo_Wo();
                         default: Inst::UD2();
                     }
diff --git a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
index 8ef363333..5c4db2b69 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
@@ -54,12 +54,77 @@
 # Authors: Gabe Black
 
 microcode = '''
+def macroop MINPS_XMM_XMM {
+    mminf xmml, xmml, xmmlm, ext=0, size=4
+    mminf xmmh, xmmh, xmmhm, ext=0, size=4
+};
+
+def macroop MINPS_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    mminf xmml, xmml, ufp1, ext=0, size=4
+    mminf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MINPS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    mminf xmml, xmml, ufp1, ext=0, size=4
+    mminf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MINPD_XMM_XMM {
+    mminf xmml, xmml, xmmlm, ext=0, size=8
+    mminf xmmh, xmmh, xmmhm, ext=0, size=8
+};
+
+def macroop MINPD_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+    mminf xmml, xmml, ufp1, ext=0, size=8
+    mminf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MINPD_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+    mminf xmml, xmml, ufp1, ext=0, size=8
+    mminf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MINSS_XMM_XMM {
+    mminf xmml, xmml, xmmlm, ext=1, size=4
+};
+
+def macroop MINSS_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    mminf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MINSS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    mminf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MINSD_XMM_XMM {
+    mminf xmml, xmml, xmmlm, ext=1, size=8
+};
+
+def macroop MINSD_XMM_M {
+    ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+    mminf xmml, xmml, ufp1, ext=1, size=8
+};
+
+def macroop MINSD_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+    mminf xmml, xmml, ufp1, ext=1, size=8
+};
+'''
 # MAXPS
 # MAXPD
 # MAXSS
 # MAXSD
-# MINPS
-# MINPD
-# MINSS
-# MINSD
-'''
-- 
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