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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 18:32:08 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 18:32:08 -0700
commite20c8a4b05b7b4529ac03a0bc203c584ccc52cc5 (patch)
treef273929316dba136bd5e0a63958aad703b59551f /src/arch
parent1273277d3be26fa40ceaddd3d0a137496d098914 (diff)
downloadgem5-e20c8a4b05b7b4529ac03a0bc203c584ccc52cc5.tar.xz
X86: Implement the pack instructions.
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa12
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py65
-rw-r--r--src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py47
3 files changed, 112 insertions, 12 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 2c58798b3..39d56212d 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -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 --git a/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py b/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
index 859d2bc7e..9112a7382 100644
--- a/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
+++ b/src/arch/x86/isa/insts/simd128/integer/data_reordering/pack_with_saturation.py
@@ -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 --git a/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py b/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
index 859d2bc7e..4235d7f26 100644
--- a/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
+++ b/src/arch/x86/isa/insts/simd64/integer/data_reordering/pack_with_saturation.py
@@ -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
+};
'''