https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114221
Bug ID: 114221
Summary: gcc.c-torture/execute/20101011-1.c fails for H8/300
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: jdx at o2 dot pl
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: h8300-elf
Excerpt from gcc.sum:
[...]
PASS: gcc.c-torture/execute/20101011-1.c -O0 (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O0 execution test
PASS: gcc.c-torture/execute/20101011-1.c -O1 (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O1 execution test
PASS: gcc.c-torture/execute/20101011-1.c -O2 (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O2 execution test
PASS: gcc.c-torture/execute/20101011-1.c -O3 -g (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O3 -g execution test
PASS: gcc.c-torture/execute/20101011-1.c -Os (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -Os execution test
PASS: gcc.c-torture/execute/20101011-1.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none execution test
PASS: gcc.c-torture/execute/20101011-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (test for excess errors)
FAIL: gcc.c-torture/execute/20101011-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects execution test
[...]
Excerpt from gcc.log:
[...]
spawn -ignore SIGHUP /home/jdx/testgcc/builddir/gcc/xgcc
-B/home/jdx/testgcc/builddir/gcc/
/home/jdx/testgcc/combosrc/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
-fdiagnostics-plain-output -O0 -fnon-call-exceptions -isystem
/home/jdx/testgcc/builddir/h8300-elf/./newlib/targ-include -isystem
/home/jdx/testgcc/combosrc/newlib/libc/include -L/home/jdx/testgcc/builddir/ld
-B/home/jdx/testgcc/builddir/h8300-elf/./newlib/
-L/home/jdx/testgcc/builddir/h8300-elf/./newlib -lm -o ./20101011-1.exe
PASS: gcc.c-torture/execute/20101011-1.c -O0 (test for excess errors)
spawn /home/jdx/testgcc/builddir/sim/h8300/run ./20101011-1.exe
program stopped with signal 5 (Trace/breakpoint trap).
FAIL: gcc.c-torture/execute/20101011-1.c -O0 execution test
[...]
This is because H8 MCUs do not throw a "divide by zero" exception.
Proposed solution:
diff --git a/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
b/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
index d2c0f9ab7ec..9fa10309612 100644
--- a/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
+++ b/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
@@ -26,6 +26,9 @@
#elif defined (__RX__)
/* On RX division by zero does not trap. */
# define DO_TEST 0
+#elif defined (__H8300H__) || defined (__H8300S__) || defined (__H8300SX__)
+ /* On H8/300H, H8S and H8SX division by zero does not trap. */
+# define DO_TEST 0
#elif defined (__aarch64__)
/* On AArch64 integer division by zero does not trap. */
# define DO_TEST 0
