changeset f677e05d723d in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=f677e05d723d
description:
X86: Implement the floating point media subtract instructions.
diffstat:
3 files changed, 91 insertions(+), 13 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa | 10 -
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py | 63
+++++++++-
src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py | 31
++++
diffs (170 lines):
diff -r 0e597fe2b391 -r f677e05d723d
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:36:18
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:36:20
2009 -0700
@@ -508,7 +508,7 @@
0x1: mulps_Vo_Wo();
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
- 0x4: subps_Vo_Wo();
+ 0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x7: Inst::MAXPS(Vo,Wo);
@@ -519,7 +519,7 @@
0x1: mulss_Vd_Wd();
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
- 0x4: subss_Vd_Wd();
+ 0x4: Inst::SUBSS(Vd,Wd);
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x7: Inst::MAXSS(Vd,Wd);
@@ -530,7 +530,7 @@
0x1: mulpd_Vo_Wo();
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
- 0x4: subpd_Vo_Wo();
+ 0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x7: Inst::MAXPD(Vo,Wo);
@@ -915,7 +915,7 @@
0x0: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccps_Vo_Wo_Ib();
0x3: cvtdq2ps_Vo_Wo();
- 0x4: subps_Vo_Wo();
+ 0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
}
@@ -927,7 +927,7 @@
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccpd_Vo_Wo_Ib();
- 0x4: subpd_Vo_Wo();
+ 0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
default: Inst::UD2();
diff -r 0e597fe2b391 -r f677e05d723d
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
--- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
Mon Aug 17 18:36:18 2009 -0700
+++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/subtraction.py
Mon Aug 17 18:36:20 2009 -0700
@@ -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 -r 0e597fe2b391 -r f677e05d723d
src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
--- a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
Mon Aug 17 18:36:18 2009 -0700
+++ b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
Mon Aug 17 18:36:20 2009 -0700
@@ -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
+};
'''
_______________________________________________
m5-dev mailing list
[email protected]
http://m5sim.org/mailman/listinfo/m5-dev
