c-common.c (c_common_init): Always use intmax_t.
* c-common.c (c_common_init): Always use intmax_t. testsuite: * gcc.dg/cpp/arith-2.c: Remove. * gcc.dg/cpp/arith-3.c: Don't set std=c99. From-SVN: r53936
This commit is contained in:
parent
d94cde01ca
commit
630363b435
|
@ -1,3 +1,7 @@
|
|||
2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
|
||||
|
||||
* c-common.c (c_common_init): Always use intmax_t.
|
||||
|
||||
2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
|
||||
|
||||
* c-common.c (c_common_init): Use intmax_t for now.
|
||||
|
|
|
@ -4488,10 +4488,7 @@ c_common_init (filename)
|
|||
|
||||
/* Set up preprocessor arithmetic. Must be done after call to
|
||||
c_common_nodes_and_builtins for wchar_type_node to be good. */
|
||||
if (flag_isoc99 || 1)
|
||||
options->precision = TYPE_PRECISION (intmax_type_node);
|
||||
else
|
||||
options->precision = TYPE_PRECISION (long_integer_type_node);
|
||||
options->precision = TYPE_PRECISION (intmax_type_node);
|
||||
options->char_precision = TYPE_PRECISION (char_type_node);
|
||||
options->int_precision = TYPE_PRECISION (integer_type_node);
|
||||
options->wchar_precision = TYPE_PRECISION (wchar_type_node);
|
||||
|
|
|
@ -1,3 +1,8 @@
|
|||
2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
|
||||
|
||||
* gcc.dg/cpp/arith-2.c: Remove.
|
||||
* gcc.dg/cpp/arith-3.c: Don't set std=c99.
|
||||
|
||||
2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
|
||||
|
||||
* gcc.dg/cpp/arith-2.c, gcc.dg/cpp/arith-3.c: New tests.
|
||||
|
|
|
@ -1,447 +0,0 @@
|
|||
/* Preprocessor arithmetic semantic tests. */
|
||||
|
||||
/* Copyright (C) 2002 Free Software Foundation, Inc. */
|
||||
/* Source: Neil Booth, 26 May 2002. */
|
||||
|
||||
/* The file tests overflow warnings for, and values of, preprocessor
|
||||
arithmetic that are dependent on target precision.
|
||||
|
||||
Please keep changes to arith-2.c and arith-3.c in sync. */
|
||||
|
||||
/* { dg-do preprocess } */
|
||||
/* { dg-options "-std=c89 -fno-show-column" } */
|
||||
|
||||
#include <limits.h>
|
||||
|
||||
#define APPEND2(NUM, SUFF) NUM ## SUFF
|
||||
#define APPEND(NUM, SUFF) APPEND2(NUM, SUFF)
|
||||
|
||||
#define TARGET_UTYPE_MAX ULONG_MAX
|
||||
|
||||
/* The tests in this file depend only on the macros defined in this
|
||||
#if block. Note that it is no good calculating these values, as
|
||||
the intent is to test both the preprocessor's number parser and
|
||||
arithmetic. */
|
||||
#if TARGET_UTYPE_MAX == 65535UL
|
||||
|
||||
# define TARG_PRECISION 16
|
||||
# define MAX_INT 32767
|
||||
# define MAX_UINT 65535
|
||||
|
||||
# define TARG_MAX_HEX 0x7fff
|
||||
# define TARG_MAX_OCT 077777
|
||||
# define TARG_MAX_PLUS_1 32768L
|
||||
# define TARG_MAX_PLUS_1_U 32768UL
|
||||
# define TARG_MAX_PLUS_1_HEX 0x8000
|
||||
# define TARG_MAX_PLUS_1_OCT 0100000
|
||||
# define UTARG_MAX_HEX 0xffff
|
||||
# define UTARG_MAX_OCT 0177777
|
||||
# define UTARG_MAX_PLUS_1 65536L
|
||||
# define UTARG_MAX_PLUS_1_HEX 0x10000
|
||||
# define UTARG_MAX_PLUS_1_OCT 0200000
|
||||
|
||||
# define TARG_LOWPART_PLUS_1 256L
|
||||
# define TARG_LOWPART_PLUS_1_U 256UL
|
||||
|
||||
/* Division and modulo; anything that uses the high half in both
|
||||
dividend and divisor. */
|
||||
# define LONG_UDIVISION 61234UL / 260L
|
||||
# define LONG_UDIVISION_ANSWER 235
|
||||
# define LONG_SDIVISION -15000L / 299L
|
||||
# define LONG_SDIVISION_ANSWER -50
|
||||
# define LONG_UMODULO 61234UL % 260L
|
||||
# define LONG_UMODULO_ANSWER 134
|
||||
# define LONG_SMODULO -15000L % 299L
|
||||
# define LONG_SMODULO_ANSWER -50
|
||||
|
||||
#elif TARGET_UTYPE_MAX == 4294967295UL
|
||||
|
||||
# define TARG_PRECISION 32
|
||||
# define MAX_INT 2147483647
|
||||
# define MAX_UINT 4294967295
|
||||
|
||||
# define TARG_MAX_HEX 0x7fffffff
|
||||
# define TARG_MAX_OCT 017777777777
|
||||
# define TARG_MAX_PLUS_1 2147483648L
|
||||
# define TARG_MAX_PLUS_1_U 2147483648UL
|
||||
# define TARG_MAX_PLUS_1_HEX 0x80000000
|
||||
# define TARG_MAX_PLUS_1_OCT 020000000000
|
||||
# define UTARG_MAX_HEX 0xffffffff
|
||||
# define UTARG_MAX_OCT 037777777777
|
||||
# define UTARG_MAX_PLUS_1 4294967296L
|
||||
# define UTARG_MAX_PLUS_1_HEX 0x100000000
|
||||
# define UTARG_MAX_PLUS_1_OCT 040000000000
|
||||
|
||||
# define TARG_LOWPART_PLUS_1 65536
|
||||
# define TARG_LOWPART_PLUS_1_U 65536UL
|
||||
|
||||
/* Division and modulo; anything that uses the high half in both
|
||||
dividend and divisor. */
|
||||
# define LONG_UDIVISION 268335456UL / 70000L
|
||||
# define LONG_UDIVISION_ANSWER 3833
|
||||
# define LONG_SDIVISION -368335456L / 123456L
|
||||
# define LONG_SDIVISION_ANSWER -2983
|
||||
# define LONG_UMODULO 268335456UL % 70000L
|
||||
# define LONG_UMODULO_ANSWER 25456
|
||||
# define LONG_SMODULO -368335456L % 123456L
|
||||
# define LONG_SMODULO_ANSWER -66208
|
||||
|
||||
#elif TARGET_UTYPE_MAX == 18446744073709551615UL
|
||||
|
||||
# define TARG_PRECISION 64
|
||||
# define MAX_INT 9223372036854775807
|
||||
# define MAX_UINT 18446744073709551615
|
||||
|
||||
# define TARG_MAX_HEX 0x7fffffffffffffff
|
||||
# define TARG_MAX_OCT 0777777777777777777777
|
||||
# define TARG_MAX_PLUS_1 9223372036854775808L
|
||||
# define TARG_MAX_PLUS_1_U 9223372036854775808UL
|
||||
# define TARG_MAX_PLUS_1_HEX 0x8000000000000000
|
||||
# define TARG_MAX_PLUS_1_OCT 01000000000000000000000
|
||||
# define UTARG_MAX_HEX 0xffffffffffffffff
|
||||
# define UTARG_MAX_OCT 01777777777777777777777
|
||||
# define UTARG_MAX_PLUS_1 18446744073709551616L
|
||||
# define UTARG_MAX_PLUS_1_HEX 0x10000000000000000
|
||||
# define UTARG_MAX_PLUS_1_OCT 02000000000000000000000
|
||||
|
||||
# define TARG_LOWPART_PLUS_1 4294967296
|
||||
# define TARG_LOWPART_PLUS_1_U 4294967296U
|
||||
|
||||
/* Division and modulo; anything that uses the high half in both
|
||||
dividend and divisor. */
|
||||
# define LONG_UDIVISION 235184372088832UL / 17279869184L
|
||||
# define LONG_UDIVISION_ANSWER 13610
|
||||
# define LONG_SDIVISION -234582345927345L / 12345678901L
|
||||
# define LONG_SDIVISION_ANSWER -19001
|
||||
# define LONG_UMODULO 235184372088832UL % 17279869184L
|
||||
# define LONG_UMODULO_ANSWER 5352494592L
|
||||
# define LONG_SMODULO -234582345927345L % 12345678901L
|
||||
# define LONG_SMODULO_ANSWER -2101129444L
|
||||
|
||||
#else
|
||||
|
||||
# error Please extend the macros here so that this file tests your target
|
||||
|
||||
#endif
|
||||
|
||||
/* Create more macros based on the above. */
|
||||
#define TARG_PART_BITS (TARG_PRECISION / 2)
|
||||
#define TARG_MIN (-TARG_MAX - 1)
|
||||
#define TARG_MAX APPEND (MAX_INT, L)
|
||||
#define TARG_MAX_U APPEND (MAX_INT, UL)
|
||||
#define UTARG_MAX APPEND (MAX_UINT, L)
|
||||
#define UTARG_MAX_U APPEND (MAX_UINT, UL)
|
||||
|
||||
/* And now the tests. */
|
||||
|
||||
#if TARG_MAX /* { dg-bogus "so large" } */
|
||||
#endif
|
||||
#if TARG_MAX_PLUS_1_HEX /* { dg-bogus "so large" } */
|
||||
#endif
|
||||
#if TARG_MAX_PLUS_1_OCT /* { dg-bogus "so large" } */
|
||||
#endif
|
||||
|
||||
#if UTARG_MAX /* { dg-warning "so large" } */
|
||||
#endif
|
||||
#if UTARG_MAX_PLUS_1 /* { dg-error "too large" } */
|
||||
#endif
|
||||
#if UTARG_MAX_PLUS_1_HEX /* { dg-error "too large" } */
|
||||
#endif
|
||||
#if UTARG_MAX_HEX /* { dg-bogus "too large" } */
|
||||
#endif
|
||||
#if UTARG_MAX_PLUS_1_OCT /* { dg-error "too large" } */
|
||||
#endif
|
||||
#if UTARG_MAX_OCT /* { dg-bogus "too large" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX < 0 || TARG_MAX_PLUS_1 < 0 /* { dg-warning "so large" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if UTARG_MAX_HEX < 0 || TARG_MAX_HEX < 0
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if UTARG_MAX_OCT < 0 || TARG_MAX_OCT < 0
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -1 != UTARG_MAX_U
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Test each operator correctly warns of overflow conditions, and
|
||||
gives the right answer. */
|
||||
|
||||
/* Binary +. */
|
||||
#if TARG_MAX + 1 != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX + -2 != TARG_MAX /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX + -1 != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX_U + 1 != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX_U + -2 != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Binary -. */
|
||||
#if TARG_MAX - -1 != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX - 2 != TARG_MAX /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX - 1 != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX_U - -1 != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX_U - 2 != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/* Binary *. */
|
||||
#if TARG_LOWPART_PLUS_1 * (TARG_LOWPART_PLUS_1 >> 1) != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_LOWPART_PLUS_1 >> 1) * TARG_LOWPART_PLUS_1 != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_LOWPART_PLUS_1 << 1) * (TARG_LOWPART_PLUS_1 + 1) != (TARG_LOWPART_PLUS_1 << 1) /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX * 1 != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_MAX >> 1) * 2 != TARG_MAX - 1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_LOWPART_PLUS_1_U + 61) * (TARG_LOWPART_PLUS_1 << 1) != 61 * (TARG_LOWPART_PLUS_1 << 1) /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_LOWPART_PLUS_1 >> 1) * TARG_LOWPART_PLUS_1_U != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if 1 * TARG_MIN != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Binary /. */
|
||||
#if TARG_MIN / -1 != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MIN / 1 != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -TARG_MAX_PLUS_1_U / -1 != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -5 / (2 - 2) /* { dg-error "division by zero" } */
|
||||
#endif
|
||||
|
||||
#if LONG_UDIVISION != LONG_UDIVISION_ANSWER
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if LONG_SDIVISION != LONG_SDIVISION_ANSWER
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
/* Binary %. Cannot overflow. */
|
||||
#if -5 % (2 - 2) /* { dg-error "division by zero" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MIN % 1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if LONG_UMODULO != LONG_UMODULO_ANSWER
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if LONG_SMODULO != LONG_SMODULO_ANSWER
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if 234 % -1U != 234
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MIN % -1U != TARG_MIN
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
/* Binary << and Binary >>, the latter cannot overflow. */
|
||||
#if -1 >> 3 != -1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX >> 3 != TARG_MAX / 8 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if 0 << 256 != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if 1 << 256 != 0 /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if 1U << 256 != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX << 1 != -2 /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX_U << 1 != -2 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_LOWPART_PLUS_1 << TARG_PART_BITS != 0 /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_LOWPART_PLUS_1 << (TARG_PART_BITS - 1) != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_LOWPART_PLUS_1_U << (TARG_PART_BITS - 1) != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_LOWPART_PLUS_1 << (TARG_PART_BITS - 2) != (TARG_MAX_PLUS_1_U >> 1) /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
/* Test how the sign bit is handled. */
|
||||
#if (TARG_MIN << 1) != 0 /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_MAX_PLUS_1_U << 1) != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_MIN >> 1) != 3U << (TARG_PRECISION - 2) /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if (TARG_MAX_PLUS_1_U >> 1) != 1 << (TARG_PRECISION - 2) /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* Unary -. It can overflow in just one case. */
|
||||
#if -TARG_MIN != TARG_MIN /* { dg-warning "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if - -TARG_MAX != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Unary +, ~, and !. They cannot overflow. */
|
||||
#if +TARG_MAX != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if !TARG_MAX + !TARG_MIN != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if ~TARG_MAX , ~TARG_MIN != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Bitwise &, ^, |. They cannot overflow. */
|
||||
#if (TARG_MAX & -1), (TARG_MIN & -1) != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX | -1, (TARG_MIN | -1) != -1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if TARG_MAX ^ -1, (TARG_MIN ^ -1) != TARG_MAX /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Comparison operators. They cannot overflow. */
|
||||
#if -1 <= TARG_MAX, (TARG_MIN <= 1) != 1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -1 >= TARG_MAX, (TARG_MIN >= 1) != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -1 < TARG_MAX, (TARG_MIN < 1) != 1 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -1 > TARG_MAX, (TARG_MIN > 1) != 0 /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/* Comma and ? : operators. They cannot overflow. */
|
||||
#if -1, TARG_MAX, TARG_MIN != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
||||
|
||||
#if -1 ? TARG_MAX: TARG_MAX, 0 ? 1: TARG_MIN != TARG_MIN /* { dg-bogus "overflow" } */
|
||||
# error /* { dg-bogus "error" } */
|
||||
#endif
|
|
@ -9,7 +9,7 @@
|
|||
Please keep changes to arith-2.c and arith-3.c in sync. */
|
||||
|
||||
/* { dg-do preprocess } */
|
||||
/* { dg-options "-std=c99 -fno-show-column" } */
|
||||
/* { dg-options "-fno-show-column" } */
|
||||
|
||||
#include <limits.h>
|
||||
|
||||
|
|
Loading…
Reference in New Issue