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authorKazu Hirata <kazu@codesourcery.com>2005-07-04 18:17:26 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2005-07-04 18:17:26 +0000
commitc6f3fbf13ee495a3b8575ab36e15882effe37a60 (patch)
treef4c624ed8029b7d38a032cd93571a2b4d1d64496 /gcc/testsuite/gcc.dg/compare9.c
parent2238c11d7f3173e90758ed6176ff83a1945ad3ce (diff)
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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.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/compare9.c b/gcc/testsuite/gcc.dg/compare9.c
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+++ 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" } */
+}