changeset e4f60f716103 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=e4f60f716103
description:
X86: Implement the floating point media multiply instructions.
diffstat:
3 files changed, 74 insertions(+), 10 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa |
6
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py |
63 +++++++++-
src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py |
15 ++
diffs (136 lines):
diff -r 8f37a2946cc3 -r e4f60f716103
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:38:51
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:38:53
2009 -0700
@@ -505,7 +505,7 @@
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::ADDPS(Vo,Wo);
- 0x1: mulps_Vo_Wo();
+ 0x1: Inst::MULPS(Vo,Wo);
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
0x4: Inst::SUBPS(Vo,Wo);
@@ -516,7 +516,7 @@
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::ADDSS(Vd,Wd);
- 0x1: mulss_Vd_Wd();
+ 0x1: Inst::MULSS(Vd,Wd);
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
0x4: Inst::SUBSS(Vd,Wd);
@@ -527,7 +527,7 @@
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::ADDPD(Vo,Wo);
- 0x1: mulpd_Vo_Wo();
+ 0x1: Inst::MULPD(Vo,Wo);
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
0x4: Inst::SUBPD(Vo,Wo);
diff -r 8f37a2946cc3 -r e4f60f716103
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
---
a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
Mon Aug 17 18:38:51 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
Mon Aug 17 18:38:53 2009 -0700
@@ -54,22 +54,73 @@
# Authors: Gabe Black
microcode = '''
-# MULPS
-# MULPD
-# MULSS
+def macroop MULSS_XMM_XMM {
+ mmulf xmml, xmml, xmmlm, size=4, ext=1
+};
+
+def macroop MULSS_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ mmulf xmml, xmml, ufp1, size=4, ext=1
+};
+
+def macroop MULSS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ mmulf xmml, xmml, ufp1, size=4, ext=1
+};
def macroop MULSD_XMM_XMM {
- mulfp xmml, xmml, xmmlm
+ mmulf xmml, xmml, xmmlm, size=8, ext=1
};
def macroop MULSD_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
- mulfp xmml, xmml, ufp1
+ mmulf xmml, xmml, ufp1, size=8, ext=1
};
def macroop MULSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
- mulfp xmml, xmml, ufp1
+ mmulf xmml, xmml, ufp1, size=8, ext=1
+};
+
+def macroop MULPS_XMM_XMM {
+ mmulf xmml, xmml, xmmlm, size=4, ext=0
+ mmulf xmmh, xmmh, xmmhm, size=4, ext=0
+};
+
+def macroop MULPS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mmulf xmml, xmml, ufp1, size=4, ext=0
+ mmulf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop MULPS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mmulf xmml, xmml, ufp1, size=4, ext=0
+ mmulf xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop MULPD_XMM_XMM {
+ mmulf xmml, xmml, xmmlm, size=8, ext=0
+ mmulf xmmh, xmmh, xmmhm, size=8, ext=0
+};
+
+def macroop MULPD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mmulf xmml, xmml, ufp1, size=8, ext=0
+ mmulf xmmh, xmmh, ufp2, size=8, ext=0
+};
+
+def macroop MULPD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mmulf xmml, xmml, ufp1, size=8, ext=0
+ mmulf xmmh, xmmh, ufp2, size=8, ext=0
};
'''
diff -r 8f37a2946cc3 -r e4f60f716103
src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
--- a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
Mon Aug 17 18:38:51 2009 -0700
+++ b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
Mon Aug 17 18:38:53 2009 -0700
@@ -54,5 +54,18 @@
# Authors: Gabe Black
microcode = '''
-# PFMUL
+def macroop PFMUL_MMX_MMX {
+ mmulf mmx, mmx, mmxm, size=4, ext=0
+};
+
+def macroop PFMUL_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ mmulf mmx, mmx, ufp1, size=4, ext=0
+};
+
+def macroop PFMUL_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ mmulf mmx, mmx, ufp1, size=4, ext=0
+};
'''
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