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authorKorey Sewell <ksewell@umich.edu>2006-02-14 22:43:14 -0500
committerKorey Sewell <ksewell@umich.edu>2006-02-14 22:43:14 -0500
commit23bbec6a3445b4382f8c6ff8ea49fd818f960330 (patch)
tree2f3055f8f5eb7af6fbde0572877d4dc79fa4d51b /arch/mips/isa
parent5830200d78afa4d50f672b67fc7db80c78e3a2ad (diff)
downloadgem5-23bbec6a3445b4382f8c6ff8ea49fd818f960330.tar.xz
another big step to a parsable ISA ... no errors after I used a symbolic link for
arch/alpha/main.isa to test my files ... arch/mips/isa/operands.isa: use sd and ud instead of sdw and udw --HG-- extra : convert_revision : d66f3fd2c4a4d70e6015f0f1643c400cdfe73055
Diffstat (limited to 'arch/mips/isa')
-rw-r--r--arch/mips/isa/decoder.isa166
-rw-r--r--arch/mips/isa/formats/fp.isa27
-rw-r--r--arch/mips/isa/formats/mem.isa2
-rw-r--r--arch/mips/isa/formats/noop.isa87
-rw-r--r--arch/mips/isa/operands.isa6
5 files changed, 200 insertions, 88 deletions
diff --git a/arch/mips/isa/decoder.isa b/arch/mips/isa/decoder.isa
index 7e7dfe1d1..6bb5bf4d8 100644
--- a/arch/mips/isa/decoder.isa
+++ b/arch/mips/isa/decoder.isa
@@ -108,7 +108,7 @@ decode OPCODE_HI default Unknown::unknown() {
xc->miscRegs.lo = Rs.uw / Rt.uw;
}});
}
- };
+ }
0x4: decode FUNCTION_LO {
format IntOp {
@@ -128,7 +128,7 @@ decode OPCODE_HI default Unknown::unknown() {
0x2: slt({{ Rd.sw = ( Rs.sw < Rt.sw ) ? 1 : 0}});
0x3: sltu({{ Rd.uw = ( Rs.uw < Rt.uw ) ? 1 : 0}});
}
- };
+ }
0x6: decode FUNCTION_LO {
format Trap {
@@ -144,13 +144,13 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode REGIMM_HI {
0x0: decode REGIMM_LO {
- format Branch {
- 0x0: bltz({{ cond = (Rs.sq < 0); }});
- 0x1: bgez({{ cond = (Rs.sq >= 0); }});
+ format CondBranch {
+ 0x0: bltz({{ cond = (Rs.sw < 0); }});
+ 0x1: bgez({{ cond = (Rs.sw >= 0); }});
//MIPS obsolete instructions
- 0x2: bltzl({{ cond = (Rs.sq < 0); }});
- 0x3: bgezl({{ cond = (Rs.sq >= 0); }});
+ 0x2: bltzl({{ cond = (Rs.sw < 0); }});
+ 0x3: bgezl({{ cond = (Rs.sw >= 0); }});
}
}
@@ -166,19 +166,19 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x2: decode REGIMM_LO {
- format Branch {
- 0x0: bltzal({{ cond = (Rs.sq < 0); }});
- 0x1: bgezal({{ cond = (Rs.sq >= 0); }});
+ format CondBranch {
+ 0x0: bltzal({{ cond = (Rs.sw < 0); }});
+ 0x1: bgezal({{ cond = (Rs.sw >= 0); }});
//MIPS obsolete instructions
- 0x2: bltzall({{ cond = (Rs.sq < 0); }});
- 0x3: bgezall({{ cond = (Rs.sq >= 0); }});
+ 0x2: bltzall({{ cond = (Rs.sw < 0); }});
+ 0x3: bgezall({{ cond = (Rs.sw >= 0); }});
}
}
0x3: decode REGIMM_LO {
format WarnUnimpl {
- 0x7: synci({{ }});
+ 0x7: synci();
}
}
}
@@ -188,13 +188,13 @@ decode OPCODE_HI default Unknown::unknown() {
0x3: jal(IsCall);
}
- format Branch {
- 0x4: beq({{ cond = (Rs.sq == 0); }});
- 0x5: bne({{ cond = (Rs.sq != 0); }});
- 0x6: blez({{ cond = (Rs.sq <= 0); }});
- 0x7: bgtz({{ cond = (Rs.sq > 0); }});
+ format CondBranch {
+ 0x4: beq({{ cond = (Rs.sw == 0); }});
+ 0x5: bne({{ cond = (Rs.sw != 0); }});
+ 0x6: blez({{ cond = (Rs.sw <= 0); }});
+ 0x7: bgtz({{ cond = (Rs.sw > 0); }});
}
- };
+ }
0x1: decode OPCODE_LO default FailUnimpl::reserved(){
format IntOp {
@@ -206,8 +206,8 @@ decode OPCODE_HI default Unknown::unknown() {
0x5: ori({{ Rt.sw = Rs.sw | INTIMM;}});
0x6: xori({{ Rt.sw = Rs.sw ^ INTIMM;}});
0x7: lui({{ Rt = INTIMM << 16}});
- };
- };
+ }
+ }
0x2: decode OPCODE_LO default FailUnimpl::reserved(){
@@ -336,9 +336,9 @@ decode OPCODE_HI default Unknown::unknown() {
}
format WarnUnimpl {
- 0x18: eret({{ }});
- 0x1F: deret({{ }});
- 0x20: wait({{ }});
+ 0x18: eret();
+ 0x1F: deret();
+ 0x20: wait();
}
}
}
@@ -360,14 +360,14 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode ND {
0x0: decode TF {
- format Branch {
+ format CondBranch {
0x0: bc1f({{ cond = (xc->miscRegs.fpcr == 0); }});
0x1: bc1t({{ cond = (xc->miscRegs.fpcr == 1); }});
}
}
0x1: decode TF {
- format Branch {
+ format CondBranch {
0x0: bc1fl({{ cond = (xc->miscRegs.fpcr == 0); }});
0x1: bc1tl({{ cond = (xc->miscRegs.fpcr == 1); }});
}
@@ -395,7 +395,7 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x1: decode RS_LO {
- //only legal for 64 bit
+ //only legal for 64 bit-FP
format Float64Op {
0x0: round_l_s({{ Fd = convert_and_round(Fs.sf,RND_NEAREST,FP_LONG,FP_SINGLE);}});
0x1: trunc_l_s({{ Fd = convert_and_round(Fs.sf,RND_ZERO,FP_LONG,FP_SINGLE);}});
@@ -426,18 +426,21 @@ decode OPCODE_HI default Unknown::unknown() {
format Float64Op {
0x2: recips({{ Fd = 1 / Fs; }});
- 0x3: rsqrts{{ Fd = 1 / sqrt(Fs); }});
+ 0x3: rsqrts({{ Fd = 1 / sqrt(Fs.ud);}});
}
}
0x4: decode RS_LO {
- 0x1: cvt_d_s({{ int rnd_mode = xc->miscRegs.fcsr;
+
+ format FloatOp {
+ 0x1: cvt_d_s({{ int rnd_mode = xc->miscRegs.fcsr;
Fd = convert_and_round(Fs.sf,rnd_mode,FP_DOUBLE,FP_SINGLE);
}});
- 0x4: cvt_w_s({{ int rnd_mode = xc->miscRegs.fcsr;
+ 0x4: cvt_w_s({{ int rnd_mode = xc->miscRegs.fcsr;
Fd = convert_and_round(Fs.sf,rnd_mode,FP_WORD,FP_SINGLE);
}});
+ }
//only legal for 64 bit
format Float64Op {
@@ -467,7 +470,7 @@ decode OPCODE_HI default Unknown::unknown() {
0x1: decode RS_LO {
//only legal for 64 bit
- format FloatOp64 {
+ format Float64Op {
0x0: round_l_d({{ Fd = convert_and_round(Fs.df,RND_NEAREST,FP_LONG,FP_DOUBLE); }});
0x1: trunc_l_d({{ Fd = convert_and_round(Fs.df,RND_ZERO,FP_LONG,FP_DOUBLE);}});
0x2: ceil_l_d({{ Fd = convert_and_round(Fs.df,RND_UP,FP_LONG,FP_DOUBLE);}});
@@ -495,9 +498,9 @@ decode OPCODE_HI default Unknown::unknown() {
0x3: movn({{ if (Rt != 0) Fd.df = Fs.df; }});
}
- format FloatOp64 {
+ format Float64Op {
0x5: recipd({{ Fd.df = 1 / Fs.df}});
- 0x6: rsqrtd{{ Fd.df = 1 / sqrt(Fs.df) }});
+ 0x6: rsqrtd({{ Fd.df = 1 / sqrt(Fs.df) }});
}
}
@@ -515,7 +518,7 @@ decode OPCODE_HI default Unknown::unknown() {
}
//only legal for 64 bit
- format FloatOp64 {
+ format Float64Op {
0x5: cvt_l_d({{
int rnd_mode = xc->miscRegs.fcsr;
Fd = convert_and_round(Fs.df,rnd_mode,FP_LONG,FP_DOUBLE);
@@ -561,7 +564,7 @@ decode OPCODE_HI default Unknown::unknown() {
//are enabled. "
0x6: decode RS_HI {
0x0: decode RS_LO {
- format FloatOp64 {
+ format Float64Op {
0x0: addps({{ //Must Check for Exception Here... Supposed to Operate on Upper and
//Lower Halves Independently but we take simulator shortcut
Fd.df = Fs.df + Ft.df;
@@ -596,23 +599,23 @@ decode OPCODE_HI default Unknown::unknown() {
0x2: decode RS_LO {
0x1: decode MOVCF {
- format FloatOp64 {
- 0x0: movfps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}})
- 0x1: movtps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}})
+ format Float64Op {
+ 0x0: movfps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}});
+ 0x1: movtps({{ if ( FPConditionCode(CC) == 0) Fd = Fs;}});
}
}
}
0x4: decode RS_LO {
- 0x0: FloatOp64::cvt_s_pu({{
+ 0x0: Float64Op::cvt_s_pu({{
int rnd_mode = xc->miscRegs.fcsr;
Fd = convert_and_round(Fs.df,rnd_mode,FP_DOUBLE,FP_PS_HI);
}});
}
0x5: decode RS_LO {
- format FloatOp64 {
+ format Float64Op {
0x0: cvt_s_pl({{
int rnd_mode = xc->miscRegs.fcsr;
Fd = convert_and_round(Fs.df,rnd_mode,FP_SINGLE,FP_PS_LO);
@@ -631,27 +634,27 @@ decode OPCODE_HI default Unknown::unknown() {
0x0: decode RS_HI {
0x0: decode RS_LO {
format WarnUnimpl {
- 0x0: mfc2({{ }});
- 0x2: cfc2({{ }});
- 0x3: mfhc2({{ }});
- 0x4: mtc2({{ }});
- 0x6: ctc2({{ }});
- 0x7: mftc2({{ }});
+ 0x0: mfc2();
+ 0x2: cfc2();
+ 0x3: mfhc2();
+ 0x4: mtc2();
+ 0x6: ctc2();
+ 0x7: mftc2();
}
}
0x1: decode ND {
0x0: decode TF {
format WarnUnimpl {
- 0x0: bc2f({{ cond = (xc->miscRegs.cop2cc == 0); }}, COP2);
- 0x1: bc2t({{ cond = (xc->miscRegs.cop2cc == 1); }}, COP2}});
+ 0x0: bc2f();
+ 0x1: bc2t();
}
}
0x1: decode TF {
format WarnUnimpl {
- 0x0: bc2fl({{ cond = (xc->miscRegs.cop2cc == 0); }}, COP2}});
- 0x1: bc2tl({{ cond = (xc->miscRegs.cop2cc == 1); }}, COP2}});
+ 0x0: bc2fl();
+ 0x1: bc2tl();
}
}
}
@@ -681,12 +684,13 @@ decode OPCODE_HI default Unknown::unknown() {
EA = Rs + Rt;
}},
{{ Mem.df = Ft<63:0>;}});
- 0x7: prefx({{ }});
}
+
+ 0x7: WarnUnimpl::prefx();
}
format FloatOp {
- 0x3: WarnUnimpl::alnv_ps({{ }});
+ 0x3: WarnUnimpl::alnv_ps();
format BasicOp {
0x4: decode FUNCTION_LO {
@@ -733,13 +737,13 @@ decode OPCODE_HI default Unknown::unknown() {
}
//MIPS obsolete instructions
- format Branch {
- 0x4: beql({{ cond = (Rs.sq == 0); }});
- 0x5: bnel({{ cond = (Rs.sq != 0); }});
- 0x6: blezl({{ cond = (Rs.sq <= 0); }});
- 0x7: bgtzl({{ cond = (Rs.sq > 0); }});
+ format CondBranch {
+ 0x4: beql({{ cond = (Rs.sw == 0); }});
+ 0x5: bnel({{ cond = (Rs.sw != 0); }});
+ 0x6: blezl({{ cond = (Rs.sw <= 0); }});
+ 0x7: bgtzl({{ cond = (Rs.sw > 0); }});
}
- };
+ }
0x3: decode OPCODE_LO default FailUnimpl::reserved() {
@@ -807,7 +811,7 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x7: decode FUNCTION_LO {
- 0x7: WarnUnimpl::sdbbp({{ }});
+ 0x7: WarnUnimpl::sdbbp();
}
}
@@ -816,15 +820,15 @@ decode OPCODE_HI default Unknown::unknown() {
0x0: decode FUNCTION_LO {
format WarnUnimpl {
- 0x1: ext({{ }});
- 0x4: ins({{ }});
+ 0x1: ext();
+ 0x4: ins();
}
}
0x1: decode FUNCTION_LO {
format WarnUnimpl {
- 0x0: fork({{ }});
- 0x1: yield({{ }});
+ 0x0: fork();
+ 0x1: yield();
}
}
@@ -832,7 +836,7 @@ decode OPCODE_HI default Unknown::unknown() {
//Table A-10 MIPS32 BSHFL Encoding of sa Field
0x4: decode SA {
- 0x02: WarnUnimpl::wsbh({{ }});
+ 0x02: WarnUnimpl::wsbh();
format BasicOp {
0x10: seb({{ Rd.sw = /* sext32(Rt<7>,24) | */ Rt<7:0>}});
@@ -844,53 +848,53 @@ decode OPCODE_HI default Unknown::unknown() {
0x7: BasicOp::rdhwr({{ Rt = xc->hwRegs[RD];}});
}
}
- };
+ }
0x4: decode OPCODE_LO default FailUnimpl::reserved() {
format Memory {
0x0: lb({{ EA = Rs + disp; }}, {{ Rb.sw = Mem.sb; }});
0x1: lh({{ EA = Rs + disp; }}, {{ Rb.sw = Mem.sh; }});
- 0x2: lwl({{ EA = Rs + disp; }}, {{ Rb.sw = Mem.sw; }}, WordAlign);
+ 0x2: lwl({{ EA = Rs + disp; }}, {{ Rb.sw = Mem.sw; }});//, WordAlign);
0x3: lw({{ EA = Rs + disp; }}, {{ Rb.uq = Mem.sb; }});
0x4: lbu({{ EA = Rs + disp; }}, {{ Rb.uw = Mem.ub; }});
0x5: lhu({{ EA = Rs + disp; }}, {{ Rb.uw = Mem.uh; }});
- 0x6: lwr({{ EA = Rs + disp; }}, {{ Rb.uw = Mem.uw; }}, WordAlign);
- };
+ 0x6: lwr({{ EA = Rs + disp; }}, {{ Rb.uw = Mem.uw; }});//, WordAlign);
+ }
- 0x7: FailUnimpl::reserved({{ }});
- };
+ 0x7: FailUnimpl::reserved();
+ }
0x5: decode OPCODE_LO default FailUnimpl::reserved() {
format Memory {
0x0: sb({{ EA = Rs + disp; }}, {{ Mem.ub = Rt<7:0>; }});
0x1: sh({{ EA = Rs + disp; }},{{ Mem.uh = Rt<15:0>; }});
- 0x2: swl({{ EA = Rs + disp; }},{{ Mem.ub = Rt<31:0>; }},WordAlign);
+ 0x2: swl({{ EA = Rs + disp; }},{{ Mem.ub = Rt<31:0>; }});//,WordAlign);
0x3: sw({{ EA = Rs + disp; }},{{ Mem.ub = Rt<31:0>; }});
- 0x6: swr({{ EA = Rs + disp; }},{{ Mem.ub = Rt<31:0>; }},WordAlign);
- };
+ 0x6: swr({{ EA = Rs + disp; }},{{ Mem.ub = Rt<31:0>; }});//,WordAlign);
+ }
format WarnUnimpl {
- 0x7: cache({{ }});
- };
+ 0x7: cache();
+ }
- };
+ }
0x6: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: WarnUnimpl::ll({{ }});
+ 0x0: WarnUnimpl::ll();
format Memory {
0x1: lwc1({{ EA = Rs + disp; }},{{ Ft<31:0> = Mem.uf; }});
0x5: ldc1({{ EA = Rs + disp; }},{{ Ft<63:0> = Mem.df; }});
- };
- };
+ }
+ }
0x7: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: WarnUnimpl::sc({{ }});
+ 0x0: WarnUnimpl::sc();
format Memory {
0x1: swc1({{ EA = Rs + disp; }},{{ Mem.uf = Ft<31:0>; }});
0x5: sdc1({{ EA = Rs + disp; }},{{ Mem.df = Ft<63:0>; }});
- };
+ }
}
}
diff --git a/arch/mips/isa/formats/fp.isa b/arch/mips/isa/formats/fp.isa
index 707109fc2..23fcbaa67 100644
--- a/arch/mips/isa/formats/fp.isa
+++ b/arch/mips/isa/formats/fp.isa
@@ -27,7 +27,7 @@ output decoder {{
}
}};
-def template FPExecute {{
+def template FloatingPointExecute {{
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
{
//These are set to constants when the execute method
@@ -70,7 +70,7 @@ def template FPExecute {{
}};
// Primary format for integer operate instructions:
-def format FPOp(code, *opt_flags) {{
+def format FloatOp(code, *opt_flags) {{
orig_code = code
cblk = CodeBlock(code)
checkPriv = (code.find('checkPriv') != -1)
@@ -86,12 +86,33 @@ def format FPOp(code, *opt_flags) {{
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
decode_block = BasicDecodeWithMnemonic.subst(iop)
- exec_output = IntegerExecute.subst(iop)
+ exec_output = FloatingPointExecute.subst(iop)
+}};
+
+// Primary format for integer operate instructions:
+def format Float64Op(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ checkPriv = (code.find('checkPriv') != -1)
+ code.replace('checkPriv', '')
+ if checkPriv:
+ code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;')
+ else:
+ code.replace('checkPriv;', '')
+ for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
+ ('xvValue', '0'), ('xcValue', '0')):
+ code.replace(marker, value)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = FloatingPointExecute.subst(iop)
}};
// Primary format for integer operate instructions:
def format FPOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
orig_code = code
+
cblk = CodeBlock(code)
checkPriv = (code.find('checkPriv') != -1)
code.replace('checkPriv', '')
diff --git a/arch/mips/isa/formats/mem.isa b/arch/mips/isa/formats/mem.isa
index 5ed5237c5..e3028eb7c 100644
--- a/arch/mips/isa/formats/mem.isa
+++ b/arch/mips/isa/formats/mem.isa
@@ -55,7 +55,7 @@ def template MemExecute {{
}};
// Primary format for integer operate instructions:
-def format Mem(code, *opt_flags) {{
+def format Memory(code, ea_code = {{ EA = Rb + disp; }},*opt_flags) {{
orig_code = code
cblk = CodeBlock(code)
iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
diff --git a/arch/mips/isa/formats/noop.isa b/arch/mips/isa/formats/noop.isa
index b1ece654d..6d45ba9b6 100644
--- a/arch/mips/isa/formats/noop.isa
+++ b/arch/mips/isa/formats/noop.isa
@@ -45,3 +45,90 @@ def format Noop(code, *opt_flags) {{
decode_block = BasicDecodeWithMnemonic.subst(iop)
exec_output = NoopExecute.subst(iop)
}};
+
+////////////////////////////////////////////////////////////////////
+//
+// Nop
+//
+
+output header {{
+ /**
+ * Static instruction class for no-ops. This is a leaf class.
+ */
+ class Nop : public AlphaStaticInst
+ {
+ /// Disassembly of original instruction.
+ const std::string originalDisassembly;
+
+ public:
+ /// Constructor
+ Nop(const std::string _originalDisassembly, MachInst _machInst)
+ : AlphaStaticInst("nop", _machInst, No_OpClass),
+ originalDisassembly(_originalDisassembly)
+ {
+ flags[IsNop] = true;
+ }
+
+ ~Nop() { }
+
+ std::string
+ generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+
+ %(BasicExecDeclare)s
+ };
+}};
+
+output decoder {{
+ std::string Nop::generateDisassembly(Addr pc,
+ const SymbolTable *symtab) const
+ {
+#ifdef SS_COMPATIBLE_DISASSEMBLY
+ return originalDisassembly;
+#else
+ return csprintf("%-10s (%s)", "nop", originalDisassembly);
+#endif
+ }
+
+ /// Helper function for decoding nops. Substitute Nop object
+ /// for original inst passed in as arg (and delete latter).
+ inline
+ AlphaStaticInst *
+ makeNop(AlphaStaticInst *inst)
+ {
+ AlphaStaticInst *nop = new Nop(inst->disassemble(0), inst->machInst);
+ delete inst;
+ return nop;
+ }
+}};
+
+output exec {{
+ Fault
+ Nop::execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
+ {
+ return No_Fault;
+ }
+}};
+
+// integer & FP operate instructions use Rc as dest, so check for
+// Rc == 31 to detect nops
+def template OperateNopCheckDecode {{
+ {
+ AlphaStaticInst *i = new %(class_name)s(machInst);
+ if (RC == 31) {
+ i = makeNop(i);
+ }
+ return i;
+ }
+}};
+
+
+// Like BasicOperate format, but generates NOP if RC/FC == 31
+def format BasicOperateWithNopCheck(code, *opt_args) {{
+ iop = InstObjParams(name, Name, 'AlphaStaticInst', CodeBlock(code),
+ opt_args)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = OperateNopCheckDecode.subst(iop)
+ exec_output = BasicExecute.subst(iop)
+}};
+
diff --git a/arch/mips/isa/operands.isa b/arch/mips/isa/operands.isa
index c8e08a436..cf6f10e0b 100644
--- a/arch/mips/isa/operands.isa
+++ b/arch/mips/isa/operands.isa
@@ -5,8 +5,8 @@ def operand_types {{
'uhw' : ('unsigned int', 16),
'sw' : ('signed int', 32),
'uw' : ('unsigned int', 32),
- 'sdw' : ('signed int', 64),
- 'udw' : ('unsigned int', 64),
+ 'sd' : ('signed int', 64),
+ 'ud' : ('unsigned int', 64),
'sf' : ('float', 32),
'df' : ('float', 64),
'qf' : ('float', 128)
@@ -24,7 +24,7 @@ def operands {{
'Fs': ('FloatReg', 'sf', 'FS', 'IsFloating', 2),
'Ft': ('FloatReg', 'sf', 'FT', 'IsFloating', 3),
- 'Mem': ('Mem', 'udw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4)
+ 'Mem': ('Mem', 'ud', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4)
#'NPC': ('NPC', 'uq', None, ( None, None, 'IsControl' ), 4),
#'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1),