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authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /support/regression/tests/bug-2558.c
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'support/regression/tests/bug-2558.c')
-rw-r--r--support/regression/tests/bug-2558.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/support/regression/tests/bug-2558.c b/support/regression/tests/bug-2558.c
new file mode 100644
index 0000000..7a5f09b
--- /dev/null
+++ b/support/regression/tests/bug-2558.c
@@ -0,0 +1,36 @@
+/* bug-2807.c
+ Sign of % operand lost in redundancy elimination.
+ */
+
+#include <testfwk.h>
+
+#include <stdint.h>
+
+#if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) // Bug #2874
+uint16_t x;
+
+static inline uint16_t llvm_srem_u16(int16_t a, int16_t b) {
+ uint16_t r = a % b;
+ return r;
+}
+
+static inline uint16_t returnx(void)
+{
+ return x;
+}
+
+void foo(void)
+{
+ x=llvm_srem_u16(x,returnx());
+}
+#endif
+
+void testBug(void)
+{
+#if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) // Bug #2874
+ x = (unsigned)(-1);
+ foo();
+ ASSERT (x == (unsigned)(-23) % (unsigned)(-23));
+#endif
+}
+