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author | Kazu Hirata <kazu@codesourcery.com> | 2005-07-04 18:17:26 +0000 |
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committer | Kazu Hirata <kazu@gcc.gnu.org> | 2005-07-04 18:17:26 +0000 |
commit | c6f3fbf13ee495a3b8575ab36e15882effe37a60 (patch) | |
tree | f4c624ed8029b7d38a032cd93571a2b4d1d64496 /gcc/testsuite/gcc.dg/compare9.c | |
parent | 2238c11d7f3173e90758ed6176ff83a1945ad3ce (diff) | |
download | gcc-c6f3fbf13ee495a3b8575ab36e15882effe37a60.zip gcc-c6f3fbf13ee495a3b8575ab36e15882effe37a60.tar.gz gcc-c6f3fbf13ee495a3b8575ab36e15882effe37a60.tar.bz2 |
compare1.c: Skip on arm*-*-eabi* arm*-*-symbianelf*.
* gcc.dg/compare1.c: Skip on arm*-*-eabi* arm*-*-symbianelf*.
* gcc.dg/compare9.c: New.
From-SVN: r101604
Diffstat (limited to 'gcc/testsuite/gcc.dg/compare9.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/compare9.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/compare9.c b/gcc/testsuite/gcc.dg/compare9.c new file mode 100644 index 0000000..e46e064 --- /dev/null +++ b/gcc/testsuite/gcc.dg/compare9.c @@ -0,0 +1,42 @@ +/* Test for a bogus warning on comparison between signed and unsigned. + This was inspired by code in gcc. This testcase is identical to + compare1.c except that we add -fno-short-enums to accomodate + targets with short enums being default, such as arm*-*-eabi* and + arm*-*-symbianelf*. */ + +/* { dg-do compile } */ +/* { dg-options "-fno-short-enums -Wsign-compare" } */ + +int tf = 1; + +/* This enumeration has an explicit negative value and is therefore signed. */ +enum mm1 +{ + VOID, SI, DI, MAX = -1 +}; + +/* This enumeration fits entirely in a signed int, but is unsigned anyway. */ +enum mm2 +{ + VOID2, SI2, DI2, MAX2 +}; + +int f(enum mm1 x) +{ + return x == (tf?DI:SI); /* { dg-bogus "signed and unsigned" "case 1" } */ +} + +int g(enum mm1 x) +{ + return x == (tf?DI:-1); /* { dg-bogus "signed and unsigned" "case 2" } */ +} + +int h(enum mm2 x) +{ + return x == (tf?DI2:SI2); /* { dg-bogus "signed and unsigned" "case 3" } */ +} + +int i(enum mm2 x) +{ + return x == (tf?DI2:-1); /* { dg-warning "signed and unsigned" "case 4" } */ +} |