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if-div.c: New file.

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2007-05-02  Eric Christopher  <echristo@apple.com>

	    * gcc.dg/cpp/if-div.c: New file.

2007-05-02  Eric Christopher  <echristo@apple.com>

	    * expr.c (num_div_op): Don't overflow if the result is
	    zero.

From-SVN: r124358
This commit is contained in:
Eric Christopher 2007-05-02 21:57:50 +00:00
parent fca35e1b54
commit 22a8a52d65
4 changed files with 23 additions and 7 deletions
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12
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2007-05-02 Eric Christopher <echristo@apple.com>
* gcc.dg/cpp/if-div.c: New file.
2007-05-02 Tom Tromey <tromey@redhat.com>
PR preprocessor/28709:
@ -47,9 +51,9 @@
2007-05-01 Dorit Nuzman <dorit@il.ibm.com>
PR testsuite/31589
* gcc.dg/vect/vect-iv-9.c: Added vect_int_mult target keyword to
* gcc.dg/vect/vect-iv-9.c: Added vect_int_mult target keyword to
dg-final test.
* gcc.dg/vect/vect-reduc-dot-u16b.c: Added vect_pack_trunc target
* gcc.dg/vect/vect-reduc-dot-u16b.c: Added vect_pack_trunc target
keyword to dg-final test.
* gcc.dg/vect/vect-iv-4.c: Likewise.
* gcc.dg/vect/vect-widen-mult-u16.c: Likewise.
@ -58,7 +62,7 @@
* gcc.dg/vect/vect-reduc-dot-u16a.c: Change variable type to avoid a
cast.
* gcc.dg/vect/no-section-anchors-vect-69.c: xfail on is64.
* lib/target-supports.exp
* lib/target-supports.exp
(check_effective_target_vect_widen_sum_hi_to_si): Added ia64.
(check_effective_target_vect_widen_sum_qi_to_hi): Added ia64.
@ -263,7 +267,7 @@
Olga Golovanevsky <olga@il.ibm.com>
* g++.dg/other/str_empty.C: New test.
2007-04-24 Richard Henderson <rth@redhat.com>
* gcc.dg/vect/vect.exp: Don't run tests on Alpha.

6
gcc/testsuite/gcc.dg/cpp/if-div.c Normal file
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@ -0,0 +1,6 @@
/* { dg-do preprocess } */
/* Test that this preprocesses without error. */
#if (-1)/2
#endif

5
libcpp/ChangeLog
View file

@ -1,3 +1,8 @@
2007-05-02 Eric Christopher <echristo@apple.com>
* expr.c (num_div_op): Don't overflow if the result is
zero.
2007-05-02 Tom Tromey <tromey@redhat.com>
PR preprocessor/28709:

7
libcpp/expr.c
View file

@ -91,7 +91,7 @@ interpret_float_suffix (const uchar *s, size_t len)
case 'l': case 'L': l++; break;
case 'i': case 'I':
case 'j': case 'J': i++; break;
case 'd': case 'D':
case 'd': case 'D':
/* Disallow fd, ld suffixes. */
if (d && (f || l))
return 0;
@ -441,7 +441,7 @@ append_digit (cpp_num num, int digit, int base, size_t precision)
if (add_low + digit < add_low)
add_high++;
add_low += digit;
if (result.low + add_low < result.low)
add_high++;
if (result.high + add_high < result.high)
@ -1527,7 +1527,8 @@ num_div_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
{
if (negate)
result = num_negate (result, precision);
result.overflow = num_positive (result, precision) ^ !negate;
result.overflow = (num_positive (result, precision) ^ !negate
&& !num_zerop (result));
}
return result;