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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 18:35:06 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 18:35:06 -0700
commit49c2610c04e3bb1998355f0bc146ecd925eb8fca (patch)
treea36baced04eb3315e84b88b52214b39ea004a897 /src/arch/x86/isa
parentdf163284fc29805d4eb3745b9a4dca49a3688b4c (diff)
downloadgem5-49c2610c04e3bb1998355f0bc146ecd925eb8fca.tar.xz
X86: Implement the floating point media add instructions.
Diffstat (limited to 'src/arch/x86/isa')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa6
-rw-r--r--src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py63
2 files changed, 60 insertions, 9 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index faf9389a4..b8ccec760 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -504,7 +504,7 @@
0x0B: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
- 0x0: addps_Vo_Wo();
+ 0x0: Inst::ADDPS(Vo,Wo);
0x1: mulps_Vo_Wo();
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
@@ -515,7 +515,7 @@
}
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
- 0x0: addss_Vd_Wd();
+ 0x0: Inst::ADDSS(Vd,Wd);
0x1: mulss_Vd_Wd();
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
@@ -526,7 +526,7 @@
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: addpd_Vo_Wo();
+ 0x0: Inst::ADDPD(Vo,Wo);
0x1: mulpd_Vo_Wo();
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
diff --git a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
index 7e0088c81..083d8775d 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
@@ -54,22 +54,73 @@
# Authors: Gabe Black
microcode = '''
-# ADDPS
-# ADDPD
-# ADDSS
+def macroop ADDSS_XMM_XMM {
+ maddf xmml, xmml, xmmlm, size=4, ext=1
+};
+
+def macroop ADDSS_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ maddf xmml, xmml, ufp1, size=4, ext=1
+};
+
+def macroop ADDSS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ maddf xmml, xmml, ufp1, size=4, ext=1
+};
def macroop ADDSD_XMM_XMM {
- addfp xmml, xmml, xmmlm
+ maddf xmml, xmml, xmmlm, size=8, ext=1
};
def macroop ADDSD_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
- addfp xmml, xmml, ufp1
+ maddf xmml, xmml, ufp1, size=8, ext=1
};
def macroop ADDSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
- addfp xmml, xmml, ufp1
+ maddf xmml, xmml, ufp1, size=8, ext=1
+};
+
+def macroop ADDPS_XMM_XMM {
+ maddf xmml, xmml, xmmlm, size=4, ext=0
+ maddf xmmh, xmmh, xmmhm, size=4, ext=0
+};
+
+def macroop ADDPS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ maddf xmml, xmml, ufp1, size=4, ext=0
+ maddf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop ADDPS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ maddf xmml, xmml, ufp1, size=4, ext=0
+ maddf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop ADDPD_XMM_XMM {
+ maddf xmml, xmml, xmmlm, size=8, ext=0
+ maddf xmmh, xmmh, xmmhm, size=8, ext=0
+};
+
+def macroop ADDPD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ maddf xmml, xmml, ufp1, size=8, ext=0
+ maddf xmmh, xmmh, ufp2, size=8, ext=0
+};
+
+def macroop ADDPD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ maddf xmml, xmml, ufp1, size=8, ext=0
+ maddf xmmh, xmmh, ufp2, size=8, ext=0
};
'''