changeset 3f6c31c3d59e in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=3f6c31c3d59e
description:
X86: Implement the pack instructions.
diffstat:
3 files changed, 112 insertions(+), 12 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa
| 12 -
src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
| 65 +++++++++-
src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
| 47 ++++++-
diffs (176 lines):
diff -r c7e724c1570f -r 3f6c31c3d59e
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:27:54
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:32:08
2009 -0700
@@ -554,22 +554,22 @@
0x0: Inst::PUNPCKLBW(Pq,Qd);
0x1: Inst::PUNPCKLWD(Pq,Qd);
0x2: Inst::PUNPCKLDQ(Pq,Qd);
- 0x3: packsswb_Pq_Qq();
+ 0x3: Inst::PACKSSWB(Pq,Qq);
0x4: pcmpgtb_Pq_Qq();
0x5: pcmpgtw_Pq_Qq();
0x6: pcmpgtd_Pq_Qq();
- 0x7: packuswb_Pq_Qq();
+ 0x7: Inst::PACKUSWB(Pq,Qq);
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::PUNPCKLBW(Vo,Wq);
0x1: Inst::PUNPCKLWD(Vo,Wq);
0x2: Inst::PUNPCKLDQ(Vo,Wq);
- 0x3: packsswb_Vo_Wo();
+ 0x3: Inst::PACKSSWB(Vo,Wo);
0x4: pcmpgtb_Vo_Wo();
0x5: pcmpgtw_Vo_Wo();
0x6: pcmpgtd_Vo_Wo();
- 0x7: packuswb_Vo_Wo();
+ 0x7: Inst::PACKUSWB(Vo,Wo);
}
default: Inst::UD2();
}
@@ -579,7 +579,7 @@
0x0: Inst::PUNPCKHBW(Pq,Qq);
0x1: Inst::PUNPCKHWD(Pq,Qq);
0x2: Inst::PUNPCKHDQ(Pq,Qq);
- 0x3: packssdw_Pq_Qq();
+ 0x3: Inst::PACKSSDW(Pq,Qq);
0x6: Inst::MOVD(Pq,Edp);
0x7: Inst::MOVQ(Pq,Qq);
default: Inst::UD2();
@@ -594,7 +594,7 @@
0x0: Inst::PUNPCKHBW(Vo,Wo);
0x1: Inst::PUNPCKHWD(Vo,Wo);
0x2: Inst::PUNPCKHDQ(Vo,Wo);
- 0x3: packssdw_Vo_Wo();
+ 0x3: Inst::PACKSSDW(Vo,Wo);
0x4: Inst::PUNPCKLQDQ(Vo,Wq);
0x5: Inst::PUNPCKHQDQ(Vo,Wq);
0x6: movd_Vo_Ed();
diff -r c7e724c1570f -r 3f6c31c3d59e
src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
---
a/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
Mon Aug 17 18:27:54 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
Mon Aug 17 18:32:08 2009 -0700
@@ -54,7 +54,66 @@
# Authors: Gabe Black
microcode = '''
-# PACKSSDW
-# PACKSSWB
-# PACKUSWB
+def macroop PACKSSDW_XMM_XMM {
+ pack ufp1, xmml, xmmh, ext=1, srcSize=4, destSize=2
+ pack xmmh, xmmlm, xmmhm, ext=1, srcSize=4, destSize=2
+ movfp xmml, ufp1, dataSize=8
+};
+
+def macroop PACKSSDW_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=1, srcSize=4, destSize=2
+ pack xmmh, ufp1, ufp2, ext=1, srcSize=4, destSize=2
+};
+
+def macroop PACKSSDW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=1, srcSize=4, destSize=2
+ pack xmmh, ufp1, ufp2, ext=1, srcSize=4, destSize=2
+};
+
+def macroop PACKSSWB_XMM_XMM {
+ pack ufp1, xmml, xmmh, ext=1, srcSize=2, destSize=1
+ pack xmmh, xmmlm, xmmhm, ext=1, srcSize=2, destSize=1
+ movfp xmml, ufp1, dataSize=8
+};
+
+def macroop PACKSSWB_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=1, srcSize=2, destSize=1
+ pack xmmh, ufp1, ufp2, ext=1, srcSize=2, destSize=1
+};
+
+def macroop PACKSSWB_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=1, srcSize=2, destSize=1
+ pack xmmh, ufp1, ufp2, ext=1, srcSize=2, destSize=1
+};
+
+def macroop PACKUSWB_XMM_XMM {
+ pack ufp1, xmml, xmmh, ext=0, srcSize=2, destSize=1
+ pack xmmh, xmmlm, xmmhm, ext=0, srcSize=2, destSize=1
+ movfp xmml, ufp1, dataSize=8
+};
+
+def macroop PACKUSWB_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=0, srcSize=2, destSize=1
+ pack xmmh, ufp1, ufp2, ext=0, srcSize=2, destSize=1
+};
+
+def macroop PACKUSWB_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ pack xmml, xmml, xmmh, ext=0, srcSize=2, destSize=1
+ pack xmmh, ufp1, ufp2, ext=0, srcSize=2, destSize=1
+};
'''
diff -r c7e724c1570f -r 3f6c31c3d59e
src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
---
a/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
Mon Aug 17 18:27:54 2009 -0700
+++
b/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
Mon Aug 17 18:32:08 2009 -0700
@@ -54,7 +54,48 @@
# Authors: Gabe Black
microcode = '''
-# PACKSSDW
-# PACKSSWB
-# PACKUSWB
+def macroop PACKSSDW_MMX_MMX {
+ pack mmx, mmx, mmxm, ext=1, srcSize=4, destSize=2
+};
+
+def macroop PACKSSDW_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=1, srcSize=4, destSize=2
+};
+
+def macroop PACKSSDW_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=1, srcSize=4, destSize=2
+};
+
+def macroop PACKSSWB_MMX_MMX {
+ pack mmx, mmx, mmxm, ext=1, srcSize=2, destSize=1
+};
+
+def macroop PACKSSWB_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=1, srcSize=2, destSize=1
+};
+
+def macroop PACKSSWB_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=1, srcSize=2, destSize=1
+};
+
+def macroop PACKUSWB_MMX_MMX {
+ pack mmx, mmx, mmxm, ext=0, srcSize=2, destSize=1
+};
+
+def macroop PACKUSWB_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=0, srcSize=2, destSize=1
+};
+
+def macroop PACKUSWB_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ pack mmx, mmx, ufp1, ext=0, srcSize=2, destSize=1
+};
'''
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