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| author | Joseph Myers <jsm28@cam.ac.uk> | 2000-10-31 20:38:04 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2000-10-31 20:38:04 +0000 |
| commit | 93cc1c6995b0d7d39eb865d7d2f3de6082bdf35d (patch) | |
| tree | d9a7f79a901c7d085dbabeba47b30815be00d912 | |
| parent | 510fbf869c478eae5d0931f2987ba37516ce75e7 (diff) | |
| download | gcc-93cc1c6995b0d7d39eb865d7d2f3de6082bdf35d.zip gcc-93cc1c6995b0d7d39eb865d7d2f3de6082bdf35d.tar.gz gcc-93cc1c6995b0d7d39eb865d7d2f3de6082bdf35d.tar.bz2 | |
c-typeck.c (build_unary_op): If pedantic, pedwarn for increment and decrement of complex types.
* c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
and decrement of complex types.
testsuite:
* gcc.dg/c99-complex-2.c: New test.
From-SVN: r37164
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/c-typeck.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/c99-complex-2.c | 22 |
4 files changed, 34 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fcc65c8..7c617b8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment + and decrement of complex types. + 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * builtins.c (expand_builtin_fputs): When deleting NOP calls to diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index a118619..acc2840 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -2909,6 +2909,9 @@ build_unary_op (code, xarg, noconvert) { tree real, imag; + if (pedantic) + pedwarn ("ISO C does not support `++' and `--' on complex types"); + arg = stabilize_reference (arg); real = build_unary_op (REALPART_EXPR, arg, 1); imag = build_unary_op (IMAGPART_EXPR, arg, 1); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6097ca2..0d714d8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.dg/c99-complex-2.c: New test. + 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * gcc.c-torture/execute/stdio-opt-1.c: New test. diff --git a/gcc/testsuite/gcc.dg/c99-complex-2.c b/gcc/testsuite/gcc.dg/c99-complex-2.c new file mode 100644 index 0000000..078e92a --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-complex-2.c @@ -0,0 +1,22 @@ +/* Test for _Complex: in C99 only. Test for increment and decrement. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +/* Use of ++ and -- on complex types (both prefix and postfix) is a + C99 constraint violation (6.5.2.4p1, 6.5.3.1p1). +*/ + +_Complex double +foo (_Complex double z) +{ + z++; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "postinc" { target *-*-* } 13 } */ + ++z; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "preinc" { target *-*-* } 15 } */ + z--; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "postdec" { target *-*-* } 17 } */ + --z; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "predec" { target *-*-* } 19 } */ + return z; +} |