changeset a1c40860fe09 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=a1c40860fe09
description:
X86: Implement the media integer subtract instructions.
diffstat:
3 files changed, 294 insertions(+), 32 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa | 32 -
src/arch/x86/isa/insts/simd128/integer/arithmetic/subtraction.py | 167
+++++++++-
src/arch/x86/isa/insts/simd64/integer/arithmetic/subtraction.py | 127 +++++++
diffs (truncated from 387 to 300 lines):
diff -r 26d371ccd503 -r a1c40860fe09
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 20:15:15
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 20:15:15
2009 -0700
@@ -980,8 +980,8 @@
0x1B: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubusb_Pq_Qq();
- 0x1: WarnUnimpl::psubusw_Pq_Qq();
+ 0x0: PSUBUSB(Pq,Qq);
+ 0x1: PSUBUSW(Pq,Qq);
0x2: PMINUB(Pq,Qq);
0x3: PAND(Pq,Qq);
0x4: PADDUSB(Pq,Qq);
@@ -991,8 +991,8 @@
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubusb_Vo_Wo();
- 0x1: WarnUnimpl::psubusw_Vo_Wo();
+ 0x0: PSUBUSB(Vo,Wo);
+ 0x1: PSUBUSW(Vo,Wo);
0x2: PMINUB(Vo,Wo);
0x3: PAND(Vo,Wo);
0x4: PADDUSB(Vo,Wo);
@@ -1042,8 +1042,8 @@
0x1D: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubsb_Pq_Qq();
- 0x1: WarnUnimpl::psubsw_Pq_Qq();
+ 0x0: PSUBSB(Pq,Qq);
+ 0x1: PSUBSW(Pq,Qq);
0x2: PMINSW(Pq,Qq);
0x3: POR(Pq,Qq);
0x4: PADDSB(Pq,Qq);
@@ -1053,8 +1053,8 @@
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubsb_Vo_Wo();
- 0x1: WarnUnimpl::psubsw_Vo_Wo();
+ 0x0: PSUBSB(Vo,Wo);
+ 0x1: PSUBSW(Vo,Wo);
0x2: PMINSW(Vo,Wo);
0x3: POR(Vo,Wo);
0x4: PADDSB(Vo,Wo);
@@ -1099,10 +1099,10 @@
0x1F: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubb_Pq_Qq();
- 0x1: WarnUnimpl::psubw_Pq_Qq();
- 0x2: WarnUnimpl::psubd_Pq_Qq();
- 0x3: WarnUnimpl::psubq_Pq_Qq();
+ 0x0: PSUBB(Pq,Qq);
+ 0x1: PSUBW(Pq,Qq);
+ 0x2: PSUBD(Pq,Qq);
+ 0x3: PSUBQ(Pq,Qq);
0x4: PADDB(Pq,Qq);
0x5: PADDW(Pq,Qq);
0x6: PADDD(Pq,Qq);
@@ -1110,10 +1110,10 @@
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: WarnUnimpl::psubb_Vo_Wo();
- 0x1: WarnUnimpl::psubw_Vo_Wo();
- 0x2: WarnUnimpl::psubd_Vo_Wo();
- 0x3: WarnUnimpl::psubq_Vo_Wo();
+ 0x0: PSUBB(Vo,Wo);
+ 0x1: PSUBW(Vo,Wo);
+ 0x2: PSUBD(Vo,Wo);
+ 0x3: PSUBQ(Vo,Wo);
0x4: PADDB(Vo,Wo);
0x5: PADDW(Vo,Wo);
0x6: PADDD(Vo,Wo);
diff -r 26d371ccd503 -r a1c40860fe09
src/arch/x86/isa/insts/simd128/integer/arithmetic/subtraction.py
--- a/src/arch/x86/isa/insts/simd128/integer/arithmetic/subtraction.py Mon Aug
17 20:15:15 2009 -0700
+++ b/src/arch/x86/isa/insts/simd128/integer/arithmetic/subtraction.py Mon Aug
17 20:15:15 2009 -0700
@@ -54,12 +54,163 @@
# Authors: Gabe Black
microcode = '''
-# PSUBB
-# PSUBW
-# PSUBD
-# PSUBQ
-# PSUBSB
-# PSUBSW
-# PSUBUSB
-# PSUBUSW
+def macroop PSUBB_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=1, ext=0
+ msubi xmmh, xmmh, xmmhm, size=1, ext=0
+};
+
+def macroop PSUBB_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=0
+ msubi xmmh, xmmh, ufp2, size=1, ext=0
+};
+
+def macroop PSUBB_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=0
+ msubi xmmh, xmmh, ufp2, size=1, ext=0
+};
+
+def macroop PSUBW_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=2, ext=0
+ msubi xmmh, xmmh, xmmhm, size=2, ext=0
+};
+
+def macroop PSUBW_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=0
+ msubi xmmh, xmmh, ufp2, size=2, ext=0
+};
+
+def macroop PSUBW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=0
+ msubi xmmh, xmmh, ufp2, size=2, ext=0
+};
+
+def macroop PSUBD_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=4, ext=0
+ msubi xmmh, xmmh, xmmhm, size=4, ext=0
+};
+
+def macroop PSUBD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=4, ext=0
+ msubi xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop PSUBD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=4, ext=0
+ msubi xmmh, xmmh, ufp2, size=4, ext=0
+};
+
+def macroop PSUBQ_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=8, ext=0
+ msubi xmmh, xmmh, xmmhm, size=8, ext=0
+};
+
+def macroop PSUBQ_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=8, ext=0
+ msubi xmmh, xmmh, ufp2, size=8, ext=0
+};
+
+def macroop PSUBQ_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=8, ext=0
+ msubi xmmh, xmmh, ufp2, size=8, ext=0
+};
+
+def macroop PSUBSB_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=1, ext=4
+ msubi xmmh, xmmh, xmmhm, size=1, ext=4
+};
+
+def macroop PSUBSB_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=4
+ msubi xmmh, xmmh, ufp2, size=1, ext=4
+};
+
+def macroop PSUBSB_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=4
+ msubi xmmh, xmmh, ufp2, size=1, ext=4
+};
+
+def macroop PSUBSW_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=2, ext=4
+ msubi xmmh, xmmh, xmmhm, size=2, ext=4
+};
+
+def macroop PSUBSW_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=4
+ msubi xmmh, xmmh, ufp2, size=2, ext=4
+};
+
+def macroop PSUBSW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=4
+ msubi xmmh, xmmh, ufp2, size=2, ext=4
+};
+
+def macroop PSUBUSB_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=1, ext=2
+ msubi xmmh, xmmh, xmmhm, size=1, ext=2
+};
+
+def macroop PSUBUSB_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=2
+ msubi xmmh, xmmh, ufp2, size=1, ext=2
+};
+
+def macroop PSUBUSB_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=1, ext=2
+ msubi xmmh, xmmh, ufp2, size=1, ext=2
+};
+
+def macroop PSUBUSW_XMM_XMM {
+ msubi xmml, xmml, xmmlm, size=2, ext=2
+ msubi xmmh, xmmh, xmmhm, size=2, ext=2
+};
+
+def macroop PSUBUSW_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=2
+ msubi xmmh, xmmh, ufp2, size=2, ext=2
+};
+
+def macroop PSUBUSW_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ msubi xmml, xmml, ufp1, size=2, ext=2
+ msubi xmmh, xmmh, ufp2, size=2, ext=2
+};
'''
diff -r 26d371ccd503 -r a1c40860fe09
src/arch/x86/isa/insts/simd64/integer/arithmetic/subtraction.py
--- a/src/arch/x86/isa/insts/simd64/integer/arithmetic/subtraction.py Mon Aug
17 20:15:15 2009 -0700
+++ b/src/arch/x86/isa/insts/simd64/integer/arithmetic/subtraction.py Mon Aug
17 20:15:15 2009 -0700
@@ -54,12 +54,123 @@
# Authors: Gabe Black
microcode = '''
-# PSUBB
-# PSUBW
-# PSUBD
-# PSUBQ
-# PSUBSB
-# PSUBSW
-# PSUBUSB
-# PSUBUSW
+def macroop PSUBB_MMX_MMX {
+ msubi mmx, mmx, mmxm, size=1, ext=0
+};
+
+def macroop PSUBB_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ msubi mmx, mmx, ufp1, size=1, ext=0
+};
+
+def macroop PSUBB_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ msubi mmx, mmx, ufp1, size=1, ext=0
+};
+
+def macroop PSUBW_MMX_MMX {
+ msubi mmx, mmx, mmxm, size=2, ext=0
+};
+
+def macroop PSUBW_MMX_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ msubi mmx, mmx, ufp1, size=2, ext=0
+};
+
+def macroop PSUBW_MMX_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ msubi mmx, mmx, ufp1, size=2, ext=0
+};
+
+def macroop PSUBD_MMX_MMX {
+ msubi mmx, mmx, mmxm, size=4, ext=0
+};
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