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c-decl.c (finish_enum): Revert part of 2000-01-05 change.

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* c-decl.c (finish_enum): Revert part of 2000-01-05 change.

	* gcc.dg/20010202-1.c: New test.
	* gcc.dg/991209-1.c: Compile on whole ia32 family, not just i386.

From-SVN: r39527
This commit is contained in:
Jakub Jelinek 2001-02-07 23:04:10 +01:00 committed by Jakub Jelinek
parent 0c952af328
commit 1ada4cd094
5 changed files with 45 additions and 6 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-02-07 Jakub Jelinek <jakub@redhat.com>
* c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2001-02-07 Mark Mitchell <mark@codesourcery.com>
* config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.

14
gcc/c-decl.c
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@ -5610,14 +5610,20 @@ finish_enum (enumtype, values, attributes)
unsign = (tree_int_cst_sgn (minnode) >= 0);
precision = MAX (min_precision (minnode, unsign),
min_precision (maxnode, unsign));
if (!TYPE_PACKED (enumtype))
precision = MAX (precision, TYPE_PRECISION (integer_type_node));
if (type_for_size (precision, unsign) == 0)
if (TYPE_PACKED (enumtype) || precision > TYPE_PRECISION (integer_type_node))
{
tree narrowest = type_for_size (precision, unsign);
if (narrowest == 0)
{
warning ("enumeration values exceed range of largest integer");
precision = TYPE_PRECISION (long_long_integer_type_node);
narrowest = long_long_integer_type_node;
}
precision = TYPE_PRECISION (narrowest);
}
else
precision = TYPE_PRECISION (integer_type_node);
if (precision == TYPE_PRECISION (integer_type_node))
enum_value_type = type_for_size (precision, 0);
else

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2001-02-07 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/20010202-1.c: New test.
* gcc.dg/991209-1.c: Compile on whole ia32 family, not just i386.
2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
* g++.dg/stdbool-if.C: New test.

24
gcc/testsuite/gcc.dg/20010202-1.c Normal file
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@ -0,0 +1,24 @@
/* { dg-do compile { target i?86-*-* sparc*-*-* } } */
/* { dg-options "-O2" } */
typedef enum { false, true } __attribute__ ((packed)) boolean;
typedef struct {
enum {
A0 = 0, A1 = 1, A2 = 2
} __attribute__((packed)) A:3;
enum {
B0 = 0, B1 = 1, B2 = 2
} __attribute__((packed)) B:3;
boolean C:1;
boolean D:1;
unsigned char :8;
} foo;
foo x = { A2, B1, false, true };
int main(void)
{
if (sizeof (foo) != 2 || __alignof__ (foo) != 1)
abort ();
exit (0);
}

2
gcc/testsuite/gcc.dg/991209-1.c
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@ -1,4 +1,4 @@
/* { dg-do compile { target i386-*-* } } */
/* { dg-do compile { target i?86-*-* } } */
int foo ()
{