changeset dae81a15cfcc in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=dae81a15cfcc
description:
X86: Implement the floating point media add instructions.
diffstat:
2 files changed, 60 insertions(+), 9 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa | 6
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py | 63
+++++++++-
diffs (113 lines):
diff -r 22cb3c1ea3fb -r dae81a15cfcc
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:35:04
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:35:06
2009 -0700
@@ -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 -r 22cb3c1ea3fb -r dae81a15cfcc
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
--- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
Mon Aug 17 18:35:04 2009 -0700
+++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/addition.py
Mon Aug 17 18:35:06 2009 -0700
@@ -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
};
'''
_______________________________________________
m5-dev mailing list
[email protected]
http://m5sim.org/mailman/listinfo/m5-dev
