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Add support for configuring the size of the floating point unit (fp_word).

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For mips, move fp_registers into a separate array of type fp_word[].
This commit is contained in:
Andrew Cagney 1998-02-02 14:06:52 +00:00
parent 2acd126a47
commit a97f304b04
5 changed files with 97 additions and 19 deletions
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12
sim/common/ChangeLog
View file

@ -1,3 +1,15 @@
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sun Feb 1 16:16:57 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-types.h (fp_word): New type, define according to
WITH_TARGET_FLOATING_POINT_BITSIZE.
* aclocal.m4 (default_sim_floating_point_bitsize): Add
configuration of size of floating point registers.
Sun Feb 1 14:02:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-profile.c (profile_print): Only print CPU <N> if other

21
sim/mips/ChangeLog
View file

@ -1,3 +1,24 @@
Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-main.h (SizeFGR): Determine from floating-point and not gpr
bitsize.
* interp.c (sim_fetch_register, sim_store_register): Read/write
FGR from correct location.
(sim_open): Set size of FGR's according to
WITH_TARGET_FLOATING_POINT_BITSIZE.
* sim-main.h (FGR): Store floating point registers in a separate
array.
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
start-sanitize-vr5400
* mdmx.igen: Mark all instructions as 64bit/fp specific.
end-sanitize-vr5400
Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (ColdReset): Call PENDING_INVALIDATE.

33
sim/mips/configure vendored
View file

@ -1806,20 +1806,31 @@ case "${target}" in
*) mips_fpu=HARD_FLOATING_POINT ;;
esac
default_sim_floating_point="$mips_fpu"
default_sim_float="$mips_fpu"
default_sim_float_bitsize=""
# Check whether --enable-sim-float or --disable-sim-float was given.
if test "${enable_sim_float+set}" = set; then
enableval="$enable_sim_float"
case "${enableval}" in
yes | hard) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
no | soft) sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
32) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";;
64) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";;
*) { echo "configure: error: "Unknown value $enableval passed to --enable-sim-float"" 1>&2; exit 1; }; sim_float="";;
esac
if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
echo "Setting float flags = $sim_float" 6>&1
fi
else
sim_float="-DWITH_FLOATING_POINT=${default_sim_floating_point}"
sim_float=
if test x"${default_sim_float}" != x""; then
sim_float="-DWITH_FLOATING_POINT=${default_sim_float}"
fi
if test x"${default_sim_float_bitsize}" != x""; then
sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}"
fi
fi
@ -1931,17 +1942,17 @@ for ac_hdr in string.h strings.h stdlib.h stdlib.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1935: checking for $ac_hdr" >&5
echo "configure:1946: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1940 "configure"
#line 1951 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1956: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
@ -1968,7 +1979,7 @@ fi
done
echo $ac_n "checking for fabs in -lm""... $ac_c" 1>&6
echo "configure:1972: checking for fabs in -lm" >&5
echo "configure:1983: checking for fabs in -lm" >&5
ac_lib_var=`echo m'_'fabs | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -1976,7 +1987,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lm $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1980 "configure"
#line 1991 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@ -1987,7 +1998,7 @@ int main() {
fabs()
; return 0; }
EOF
if { (eval echo configure:1991: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:2002: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2017,12 +2028,12 @@ fi
for ac_func in aint anint sqrt
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:2021: checking for $ac_func" >&5
echo "configure:2032: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2026 "configure"
#line 2037 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -2045,7 +2056,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:2049: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:2060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else

46
sim/mips/interp.c
View file

@ -339,6 +339,21 @@ sim_open (kind, cb, abfd, argv)
registers: */
{
int rn;
<<<<<<< interp.c
for (rn = 0; (rn < (LAST_EMBED_REGNUM + 1)); rn++)
{
if (rn < 32)
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
else if ((rn >= FGRIDX) && (rn < (FGRIDX + NR_FGR)))
cpu->register_widths[rn] = WITH_TARGET_FLOATING_POINT_BITSIZE;
else if ((rn >= 33) && (rn <= 37))
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
else if ((rn == SRIDX) || (rn == FCR0IDX) || (rn == FCR31IDX) || ((rn >= 72) && (rn <= 89)))
cpu->register_widths[rn] = 32;
else
cpu->register_widths[rn] = 0;
}
=======
for (rn = 0; (rn < (LAST_EMBED_REGNUM + 1)); rn++) {
if (rn < 32)
cpu->register_widths[rn] = WITH_TARGET_WORD_BITSIZE;
@ -351,6 +366,7 @@ sim_open (kind, cb, abfd, argv)
else
cpu->register_widths[rn] = 0;
}
>>>>>>> 1.94
/* start-sanitize-r5900 */
/* set the 5900 "upper" registers to 64 bits */
@ -551,14 +567,21 @@ sim_store_register (sd,rn,memory)
sim_io_eprintf(sd,"Invalid register width for %d (register store ignored)\n",rn);
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
SA = T2H_8(*(uword64*)memory);
SA = T2H_8(*(unsigned64*)memory);
else if (rn > LAST_EMBED_REGNUM)
cpu->registers1[rn - LAST_EMBED_REGNUM - 1] = T2H_8(*(uword64*)memory);
cpu->registers1[rn - LAST_EMBED_REGNUM - 1] = T2H_8(*(unsigned64*)memory);
/* end-sanitize-r5900 */
else if (rn >= FGRIDX && rn < FGRIDX + NR_FGR)
{
if (cpu->register_widths[rn] == 32)
cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
else
cpu->fgr[rn - FGRIDX] = T2H_8 (*(unsigned64*)memory);
}
else if (cpu->register_widths[rn] == 32)
cpu->registers[rn] = T2H_4 (*(unsigned int*)memory);
cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
else
cpu->registers[rn] = T2H_8 (*(uword64*)memory);
cpu->registers[rn] = T2H_8 (*(unsigned64*)memory);
return;
}
@ -580,14 +603,21 @@ sim_fetch_register (sd,rn,memory)
sim_io_eprintf(sd,"Invalid register width for %d (register fetch ignored)\n",rn);
/* start-sanitize-r5900 */
else if (rn == REGISTER_SA)
*((uword64 *)memory) = H2T_8(SA);
*((unsigned64*)memory) = H2T_8(SA);
else if (rn > LAST_EMBED_REGNUM)
*((uword64 *)memory) = H2T_8(cpu->registers1[rn - LAST_EMBED_REGNUM - 1]);
*((unsigned64*)memory) = H2T_8(cpu->registers1[rn - LAST_EMBED_REGNUM - 1]);
/* end-sanitize-r5900 */
else if (rn >= FGRIDX && rn < FGRIDX + NR_FGR)
{
if (cpu->register_widths[rn] == 32)
*(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
else
*(unsigned64*)memory = H2T_8 (cpu->fgr[rn - FGRIDX]);
}
else if (cpu->register_widths[rn] == 32)
*((unsigned int *)memory) = H2T_4 ((unsigned int)(cpu->registers[rn] & 0xFFFFFFFF));
*(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
else /* 64bit register */
*((uword64 *)memory) = H2T_8 (cpu->registers[rn]);
*(unsigned64*)memory = H2T_8 ((unsigned64)(cpu->registers[rn]));
return;
}

4
sim/tic80/ChangeLog
View file

@ -1,3 +1,7 @@
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.