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For vr* processors start using vr.igen.

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Sanitize out README.Cygnus.
This commit is contained in:
Andrew Cagney 1998-07-25 07:49:29 +00:00
parent e1b20d3048
commit 60f9cd07d0
5 changed files with 5 additions and 441 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
sim/mips/.Sanitize
View file

@ -24,13 +24,6 @@ else
lose_these_too="${r5900_files} ${lose_these_too}"
fi
vr4320_files="vr4320.igen"
if ( echo $* | grep keep\-vr4320 > /dev/null ) ; then
keep_these_too="${vr4320_files} ${keep_these_too}"
else
lose_these_too="${vr4320_files} ${lose_these_too}"
fi
tx3904_files="dv-tx3904cpu.c dv-tx3904irc.c dv-tx3904tmr.c"
if ( echo $* | grep keep\-tx3904 > /dev/null ) ; then
keep_these_too="${tx3904_files} ${keep_these_too}"
@ -53,7 +46,7 @@ else
lose_these_too="${sky_files} ${lose_these_too}"
fi
vr5400_files="vr5400.igen mdmx.igen"
vr5400_files="mdmx.igen"
if ( echo $* | grep keep\-vr5400 > /dev/null ) ; then
keep_these_too="${vr5400_files} ${keep_these_too}"
else
@ -70,7 +63,6 @@ Things-to-keep:
ChangeLog
Makefile.in
README.Cygnus
acconfig.h
config.in
configure
@ -90,6 +82,7 @@ vr.igen
Things-to-lose:
README.Cygnus
Do-last:
@ -213,7 +206,7 @@ else
fi
vr5400_files="ChangeLog configure configure.in sim-main.h interp.c gencode.c mips.igen mips.dc vr5400.igen mdmx.igen vr.igen"
vr5400_files="ChangeLog configure configure.in sim-main.h interp.c gencode.c mips.igen mips.dc mdmx.igen vr.igen"
if ( echo $* | grep keep\-vr5400 > /dev/null ) ; then
for i in $vr5400_files ; do
@ -242,7 +235,7 @@ else
done
fi
vr4320_files="ChangeLog Makefile.in configure configure.in mips.igen vr.igen vr4320.igen"
vr4320_files="ChangeLog Makefile.in configure configure.in mips.igen vr.igen"
if ( echo $* | grep keep\-vr4320 > /dev/null ) ; then
for i in $vr4320_files ; do

3
sim/mips/README.Cygnus
View file

@ -25,9 +25,6 @@ instructions to an existing ISA.
Known bugs?
A mips16 simulator cannot be built using igen. A custom mips16
engine.c needs to be written.
In mips.igen, the semantics for many of the instructions were created
using code generated by gencode. Those semantic segments could be
greatly simplified.

1
sim/mips/vr.igen
View file

@ -337,6 +337,7 @@
// start-sanitze-vr5400
*vr5400:
// end-sanitze-vr5400
// start-sanitize-vrXXXX
{
SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));

186
sim/mips/vr4320.igen
View file

@ -1,186 +0,0 @@
// Integer Instructions
// --------------------
//
// MulAcc is the Multiply Accumulator.
// This register is mapped on the the HI and LO registers.
// Upper 32 bits of MulAcc is mapped on to lower 32 bits of HI register.
// Lower 32 bits of MulAcc is mapped on to lower 32 bits of LO register.
:function:::unsigned64:MulAcc:
{
unsigned64 result = U8_4 (HI, LO);
return result;
}
:function:::void:SET_MulAcc:unsigned64 value
{
*AL4_8 (&HI) = VH4_8 (value);
*AL4_8 (&LO) = VL4_8 (value);
}
:function:::signed64:SignedMultiply:signed32 l, signed32 r
{
signed64 result = (signed64) l * (signed64) r;
return result;
}
:function:::unsigned64:UnsignedMultiply:unsigned32 l, unsigned32 r
{
unsigned64 result = (unsigned64) l * (unsigned64) r;
return result;
}
:function:::unsigned64:Low32Bits:unsigned64 value
{
unsigned64 result = (signed64) (signed32) VL4_8 (value);
return result;
}
:function:::unsigned64:High32Bits:unsigned64 value
{
unsigned64 result = (signed64) (signed32) VH4_8 (value);
return result;
}
// Multiply, Accumulate
000000,5.RS,5.RT,00000,00000,101000::::MAC
"mac r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT]));
}
// D-Multiply, Accumulate
000000,5.RS,5.RT,00000,00000,101001::::DMAC
"dmac r<RS>, r<RT>"
*vr4320:
{
LO = LO + SignedMultiply (SD_, GPR[RS], GPR[RT]);
}
// Count Leading Zeros
000000,5.RS,00000,5.RD,00000,110101::::CLZ
"clz r<RD>, r<RS>"
*vr4320:
{
unsigned32 t = Low32Bits (SD_, GPR[RS]);
signed64 c = 0;
while (! (t & ( 1 << 31))
&& c < 32)
{
c++;
t <<= 1;
}
GPR[RD] = c;
}
// D-Count Leading Zeros
000000,5.RS,00000,5.RD,00000,111101::::DCLZ
"dclz r<RD>, r<RS>"
*vr4320:
{
unsigned64 t = GPR[RS];
signed64 c = 0;
while (! (t & ( (unsigned64)1 << 63))
&& c < 64)
{
c++;
t <<= 1;
}
printf("lo %d\n", (int) c);
GPR[RD] = c;
}
// Multiply and Move LO.
000000,5.RS,5.RT,5.RD,00100,101000::::MUL
"mul r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply and Move LO.
000000,5.RS,5.RT,5.RD,00101,101000::::MULU
"mulu r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply and Move HI.
000000,5.RS,5.RT,5.RD,01100,101000::::MULHI
"mulhi r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply and Move HI.
000000,5.RS,5.RT,5.RD,01101,101000::::MULHIU
"mulhiu r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Multiply, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00010,101000::::MACC
"macc r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00011,101000::::MACCU
"maccu r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01010,101000::::MACCHI
"macchi r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01011,101000::::MACCHIU
"macchiu r<RD>, r<RS>, r<RT>"
*vr4320:
{
SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}

241
sim/mips/vr5400.igen
View file

@ -1,241 +0,0 @@
// Integer Instructions
// --------------------
//
// MulAcc is the Multiply Accumulator.
// This register is mapped on the the HI and LO registers.
// Upper 32 bits of MulAcc is mapped on to lower 32 bits of HI register.
// Lower 32 bits of MulAcc is mapped on to lower 32 bits of LO register.
:function:::unsigned64:MulAcc:
{
unsigned64 result = U8_4 (HI, LO);
return result;
}
:function:::void:SET_MulAcc:unsigned64 value
{
*AL4_8 (&HI) = VH4_8 (value);
*AL4_8 (&LO) = VL4_8 (value);
}
:function:::signed64:SignedMultiply:signed32 l, signed32 r
{
signed64 result = (signed64) l * (signed64) r;
return result;
}
:function:::unsigned64:UnsignedMultiply:unsigned32 l, unsigned32 r
{
unsigned64 result = (unsigned64) l * (unsigned64) r;
return result;
}
:function:::unsigned64:Low32Bits:unsigned64 value
{
unsigned64 result = (signed64) (signed32) VL4_8 (value);
return result;
}
:function:::unsigned64:High32Bits:unsigned64 value
{
unsigned64 result = (signed64) (signed32) VH4_8 (value);
return result;
}
// Multiply and Move LO.
000000,5.RS,5.RT,5.RD,00001,011000::::MUL
"mul r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply and Move LO.
000000,5.RS,5.RT,5.RD,00001,011001::::MULU
"mulu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply and Move HI.
000000,5.RS,5.RT,5.RD,01001,011000::::MULHI
"mulhi r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply and Move HI.
000000,5.RS,5.RT,5.RD,01001,011001::::MULHIU
"mulhiu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Multiply, Negate and Move LO.
000000,5.RS,5.RT,5.RD,00011,011000::::MULS
"muls r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 - SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Negate and Move LO.
000000,5.RS,5.RT,5.RD,00011,011001::::MULSU
"mulsu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 - UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply, Negate and Move HI.
000000,5.RS,5.RT,5.RD,01011,011000::::MULSHI
"mulshi r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 - SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Negate and Move HI.
000000,5.RS,5.RT,5.RD,01011,011001::::MULSHIU
"mulshiu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, 0 - UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Multiply, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00101,011000::::MACC
"macc r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00101,011001::::MACCU
"maccu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01101,011000::::MACCHI
"macchi r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01101,011001::::MACCHIU
"macchiu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Multiply, Negate, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00111,011000::::MSAC
"msac r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) - SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Negate, Accumulate and Move LO.
000000,5.RS,5.RT,5.RD,00111,011001::::MSACU
"msacu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) - UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = Low32Bits (SD_, MulAcc (SD_));
}
// Multiply, Negate, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01111,011000::::MSACHI
"msachi r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) - SignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Unsigned Multiply, Negate, Accumulate and Move HI.
000000,5.RS,5.RT,5.RD,01111,011001::::MSACHIU
"msachiu r<RD>, r<RS>, r<RT>"
*vr5400:
{
SET_MulAcc (SD_, MulAcc (SD_) - UnsignedMultiply (SD_, GPR[RS], GPR[RT]));
GPR[RD] = High32Bits (SD_, MulAcc (SD_));
}
// Rotate Right.
000000,00001,5.RT,5.RD,5.SHIFT,000010::::ROR
"ror r<RD>, r<RT>, <SHIFT>"
*vr5400:
{
int s = SHIFT;
GPR[RD] = ROTR32 (GPR[RT], s);
}
// Rotate Right Variable.
000000,5.RS,5.RT,5.RD,00001,000110::::RORV
"rorv r<RD>, r<RT>, <RS>"
*vr5400:
{
int s = MASKED (GPR[RS], 4, 0);
GPR[RD] = ROTR32 (GPR[RT], s);
}
// Double Rotate Right.
000000,00001,5.RT,5.RD,5.SHIFT,111010::::DROR
"dror r<RD>, r<RT>, <SHIFT>"
*vr5400:
{
int s = SHIFT;
GPR[RD] = ROTR64 (GPR[RT], s);
}
// Double Rotate Right Plus 32.
000000,00001,5.RT,5.RD,5.SHIFT,111110::::DROR32
"dror32 r<RD>, r<RT>, <SHIFT>"
*vr5400:
{
int s = SHIFT + 32;
GPR[RD] = ROTR64 (GPR[RT], s);
}
// Double Rotate Right Variable.
000000,5.RS,5.RT,5.RD,00001,010110::::DRORV
"drorv r<RD>, r<RT>, <RS>"
*vr5400:
{
int s = MASKED (GPR[RS], 5, 0);
GPR[RD] = ROTR64 (GPR[RT], s);
}