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ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch. 

* config/ns32k/ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch.
        (RETURN_ADDR_RTX): Cannot determine return address for FRAME > 0
        when there is no frame pointer.
        (INITIAL_FRAME_POINTER_OFFSET): Count stack space for saved fp
        registers properly.
        * config/ns32k/__unorddf2.c: New file.
        * config/ns32k/__unordsf2.c: New file.
        * config/ns32k/t-ns32k: New file.
        * config.gcc (ns32k-*-netbsd*): Use it.

From-SVN: r55949
This commit is contained in:
Ian Dall 2002-08-01 21:21:52 +00:00 committed by Richard Henderson
parent 1707273202
commit ac14c72576
6 changed files with 89 additions and 7 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2002-08-01 Ian Dall <ian@sibyl.beware.dropbear.id.au>
* config/ns32k/ns32k.h (TARGET_IEEE_COMPARE): Correct earlier patch.
(RETURN_ADDR_RTX): Cannot determine return address for FRAME > 0
when there is no frame pointer.
(INITIAL_FRAME_POINTER_OFFSET): Count stack space for saved fp
registers properly.
* config/ns32k/__unorddf2.c: New file.
* config/ns32k/__unordsf2.c: New file.
* config/ns32k/t-ns32k: New file.
* config.gcc (ns32k-*-netbsd*): Use it.
2002-08-01 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.h (SPU_CONST_OFFSET_OK): Change to 0xff.

2
gcc/config.gcc
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@ -1970,7 +1970,7 @@ ns32k-*-netbsdelf*)
ns32k-*-netbsd*)
tm_file="${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h"
# On NetBSD, the headers are already okay, except for math.h.
tmake_file=t-netbsd
tmake_file="t-netbsd ns32k/t-ns32k"
use_collect2=yes
;;
pdp11-*-bsd)

34
gcc/config/ns32k/__unorddf2.c Normal file
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@ -0,0 +1,34 @@
/* Lightweight function to test for ieee unordered comparison
Copyright (C) 2002
Free Software Foundation, Inc.
Contributed by Ian Dall <ian@beware.dropbear.id.au>
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
# define ISNAN(x) ( \
{ \
union u { double d; unsigned int i[2]; } *t = (union u *)&(x); \
((t->i[1] & 0x7ff00000) == 0x7ff00000) && \
(t->i[0] != 0 || (t->i[1] & 0xfffff) != 0); \
})
int __unorddf2 (double, double);
int __unorddf2 (double a, double b)
{
return ISNAN(a) || ISNAN(b);
}

34
gcc/config/ns32k/__unordsf2.c Normal file
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@ -0,0 +1,34 @@
/* Lightweight function to test for ieee unordered comparison
Copyright (C) 2002
Free Software Foundation, Inc.
Contributed by Ian Dall <ian@beware.dropbear.id.au>
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
# define ISNAN(x) ( \
{ \
union u { float f; unsigned int i; } *t = (union u *)&(x); \
((t->i & 0x7f800000) == 0x7f800000) && \
((t->i & 0x7fffff) != 0); \
})
int __unordsf2 ( float, float);
int __unordsf2 ( float a, float b)
{
return ISNAN(a) || ISNAN(b);
}

10
gcc/config/ns32k/ns32k.h
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@ -129,7 +129,7 @@ extern int target_flags;
/* Compile using bitfield insns. */
#define TARGET_BITFIELD ((target_flags & MASK_NO_BITFIELD) == 0)
#define TARGET_IEEE_FP (target_flags & MASK_IEEE_COMPARE)
#define TARGET_IEEE_COMPARE (target_flags & MASK_IEEE_COMPARE)
/* Macro to define tables used to set the flags.
This is a list in braces of pairs in braces,
@ -578,7 +578,8 @@ enum reg_class
After the prologue, RA is at 4(fp) in the current frame. */
#define RETURN_ADDR_RTX(COUNT, FRAME) \
(gen_rtx (MEM, Pmode, gen_rtx (PLUS, Pmode, (FRAME), GEN_INT(4))))
((COUNT> 0 && flag_omit_frame_pointer)? NULL_RTX \
: gen_rtx (MEM, Pmode, gen_rtx (PLUS, Pmode, (FRAME), GEN_INT(4))))
/* A C expression whose value is an integer giving the offset, in
bytes, from the value of the stack pointer register to the top of
@ -743,12 +744,9 @@ enum reg_class
{ \
int regno; \
int offset = -4; \
for (regno = 0; regno < L1_REGNUM; regno++) \
for (regno = 0; regno < FRAME_POINTER_REGNUM; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
offset += 4; \
for (; regno < FRAME_POINTER_REGNUM; regno++) \
if (regs_ever_live[regno] && ! call_used_regs[regno]) \
offset += 8; \
if (flag_pic && current_function_uses_pic_offset_table) \
offset += 4; \
(DEPTH) = (offset + get_frame_size () \

4
gcc/config/ns32k/t-ns32k Normal file
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@ -0,0 +1,4 @@
# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
LIB2FUNCS_EXTRA = $(srcdir)/config/ns32k/__unorddf2.c \
$(srcdir)/config/ns32k/__unordsf2.c