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Jakub Jelinek <jj@ultra.linux.cz>

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* c-decl.c (get_parm_info, store_parm_decls): Change all uses of
        PROMOTE_PROTOTYPES, so that it tests it as a C expression.
        Ensure expr.h is included.
        * c-typecheck.c (convert_arguments): Ditto.

        * expr.h: Supply default for PROMOTE_PROTOTYPES (0).

From-SVN: r28420
This commit is contained in:
Jakub Jelinek 1999-08-03 01:17:06 +02:00 committed by Richard Henderson
parent e438e1b788
commit 7d473569a2
5 changed files with 58 additions and 16 deletions
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35
gcc/ChangeLog
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@ -1,3 +1,38 @@
1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
* c-decl.c (get_parm_info, store_parm_decls): Change all uses of
PROMOTE_PROTOTYPES, so that it tests it as a C expression.
Ensure expr.h is included.
* c-typecheck.c (convert_arguments): Ditto.
* expr.h: Supply default for PROMOTE_PROTOTYPES (0).
* config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
* config/convex/convex.h: Ditto.
* config/dsp16xx/dsp16xx.h: Ditto.
* config/fx80/fx80.h: Ditto.
* config/gmicro/gmicro.h: Ditto.
* config/i370/i370.h: Ditto.
* config/i386/i386.h: Ditto.
* config/m32r/m32r.h: Ditto.
* config/m68k/m68k.h: Ditto.
* config/m88k/m88k.h: Ditto.
* config/mips/mips.h: Ditto.
* config/pa/pa.h: Ditto.
* config/pyr/pyr.h: Ditto.
* config/tahoe/tahoe.h: Ditto.
* config/we32k/we32k.h: Ditto.
* config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
based on arch size.
* config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
* config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
from comment.
* tm.texi: Document new usage of PROMOTE_PROTOTYPES.
1999-08-02 Richard Henderson <rth@cygnus.com>
* m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set

17
gcc/c-decl.c
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@ -34,6 +34,7 @@ Boston, MA 02111-1307, USA. */
#include "c-tree.h"
#include "c-lex.h"
#include "toplev.h"
#include "expr.h"
#if USE_CPPLIB
#include "cpplib.h"
@ -5219,12 +5220,11 @@ get_parm_info (void_at_end)
args are passed in their declared types. */
tree type = TREE_TYPE (decl);
DECL_ARG_TYPE (decl) = type;
#ifdef PROMOTE_PROTOTYPES
if ((TREE_CODE (type) == INTEGER_TYPE
|| TREE_CODE (type) == ENUMERAL_TYPE)
if (PROMOTE_PROTOTYPES
&& (TREE_CODE (type) == INTEGER_TYPE
|| TREE_CODE (type) == ENUMERAL_TYPE)
&& TYPE_PRECISION (type) < TYPE_PRECISION (integer_type_node))
DECL_ARG_TYPE (decl) = integer_type_node;
#endif
types = saveable_tree_cons (NULL_TREE, TREE_TYPE (decl), types);
if (TYPE_MAIN_VARIANT (TREE_VALUE (types)) == void_type_node && ! erred
@ -6557,13 +6557,14 @@ store_parm_decls ()
`int foo(float x) {...}'. This is particularly
useful for argument types like uid_t. */
DECL_ARG_TYPE (parm) = TREE_TYPE (parm);
#ifdef PROMOTE_PROTOTYPES
if ((TREE_CODE (TREE_TYPE (parm)) == INTEGER_TYPE
|| TREE_CODE (TREE_TYPE (parm)) == ENUMERAL_TYPE)
if (PROMOTE_PROTOTYPES
&& (TREE_CODE (TREE_TYPE (parm)) == INTEGER_TYPE
|| TREE_CODE (TREE_TYPE (parm)) == ENUMERAL_TYPE)
&& TYPE_PRECISION (TREE_TYPE (parm))
< TYPE_PRECISION (integer_type_node))
DECL_ARG_TYPE (parm) = integer_type_node;
#endif
if (pedantic)
{
pedwarn ("promoted argument `%s' doesn't match prototype",

7
gcc/c-typeck.c
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@ -1682,12 +1682,11 @@ convert_arguments (typelist, values, name, fundecl)
(char *) 0, /* arg passing */
fundecl, name, parmnum + 1);
#ifdef PROMOTE_PROTOTYPES
if ((TREE_CODE (type) == INTEGER_TYPE
|| TREE_CODE (type) == ENUMERAL_TYPE)
if (PROMOTE_PROTOTYPES
&& (TREE_CODE (type) == INTEGER_TYPE
|| TREE_CODE (type) == ENUMERAL_TYPE)
&& (TYPE_PRECISION (type) < TYPE_PRECISION (integer_type_node)))
parmval = default_conversion (parmval);
#endif
}
result = tree_cons (NULL_TREE, parmval, result);
}

5
gcc/expr.h
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@ -251,6 +251,11 @@ enum direction {none, upward, downward}; /* Value has this type. */
#define PRETEND_OUTGOING_VARARGS_NAMED 0
#endif
/* Supply a default definition for PROMOTE_PROTOTYPES. */
#ifndef PROMOTE_PROTOTYPES
#define PROMOTE_PROTOTYPES 0
#endif
/* Nonzero if we do not know how to pass TYPE solely in registers.
We cannot do so in the following cases:

10
gcc/tm.texi
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@ -2608,10 +2608,12 @@ control passing certain arguments in registers.
@table @code
@findex PROMOTE_PROTOTYPES
@item PROMOTE_PROTOTYPES
Define this macro if an argument declared in a prototype as an
integral type smaller than @code{int} should actually be passed as an
@code{int}. In addition to avoiding errors in certain cases of
mismatch, it also makes for better code on certain machines.
A C expression whose value is nonzero if an argument declared in
a prototype as an integral type smaller than @code{int} should
actually be passed as an @code{int}. In addition to avoiding
errors in certain cases of mismatch, it also makes for better
code on certain machines. If the macro is not defined in target
header files, it defaults to 0.
@findex PUSH_ROUNDING
@item PUSH_ROUNDING (@var{npushed})