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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/bug1757671.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/bug1757671.c')
-rw-r--r--support/regression/tests/bug1757671.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/support/regression/tests/bug1757671.c b/support/regression/tests/bug1757671.c
new file mode 100644
index 0000000..f4ab171
--- /dev/null
+++ b/support/regression/tests/bug1757671.c
@@ -0,0 +1,48 @@
+/*
+ bug1757671.c
+ */
+
+#include <testfwk.h>
+#include <stdint.h>
+
+#ifndef __SDCC_pdk14 // Lack of memory
+struct c
+{
+ float r;
+};
+
+void clamp(struct c *l)
+{
+ if(l->r > 240.0f)
+ l->r = 240.0f;
+ if(l->r < 1.0f)
+ l->r = 1.0f;
+}
+
+//char cmplong(char x, char y)
+char cmplong(int32_t x, int32_t y)
+{
+ if (x < y)
+ return 1;
+ return 0;
+}
+#endif
+
+void testBug(void)
+{
+#ifndef __SDCC_pdk14 // Lack of memory
+// volatile char x = 0xBF;//800000; //-1.0
+// volatile char y = 0x3F;//800000; //+1.0
+// volatile char z = 0x43;//700000; //+240.0
+ volatile int32_t x = 0xBF800000; //-1.0
+ volatile int32_t y = 0x3F800000; //+1.0
+ volatile int32_t z = 0x43700000; //+240.0
+ struct c val = { -1.0 };
+ clamp(&val);
+ ASSERT (val.r == 1.0);
+ ASSERT (x <= y);
+ ASSERT (cmplong(x, y));
+ ASSERT (x < z);
+ ASSERT (cmplong(x, z));
+#endif
+}