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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 18:38:53 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 18:38:53 -0700
commitfcb5b2226c540fd4a94d7a6eff62869c4ba234ea (patch)
treed408bf16716bf063a0fff0533e4e44db0afee958 /src
parent94e771e283265700de82b41aaeea33a4fdfd9ac0 (diff)
downloadgem5-fcb5b2226c540fd4a94d7a6eff62869c4ba234ea.tar.xz
X86: Implement the floating point media multiply instructions.
Diffstat (limited to 'src')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa6
-rw-r--r--src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py63
-rw-r--r--src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py15
3 files changed, 74 insertions, 10 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 24349231c..aedf6bcfa 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -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 --git a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
index ba4f035d0..fc28fbda4 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/arithmetic/multiplication.py
@@ -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 --git a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
index 54047ec7c..f970018ac 100644
--- a/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
+++ b/src/arch/x86/isa/insts/simd64/floating_point/arithmetic/multiplication.py
@@ -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
+};
'''