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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/fixed-point/binary.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/fixed-point/binary.c')
-rw-r--r--gcc/testsuite/gcc.dg/fixed-point/binary.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fixed-point/binary.c b/gcc/testsuite/gcc.dg/fixed-point/binary.c
new file mode 100644
index 000000000..e2cb6ea25
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/fixed-point/binary.c
@@ -0,0 +1,158 @@
+/* { dg-do run } */
+/* { dg-options "-std=gnu99" } */
+
+/* N1169 6.5.7 - Bitwise shift operands.
+ C99 6.5.5 Multiplicative operators.
+ C99 6.5.6 Additive operators.
+ C99 6.5.7 Bitwise shift operators.
+ C99 6.5.8 Relational operators.
+ C99 6.5.9 Equality operators.
+ C99 6.5.16 Assignment operators.
+
+ Check binary operators + - * / << >> < <= >= > == != += -= *= /= <<= >>=. */
+
+extern void abort (void);
+
+#define BINARY(TYPE,POSTFIX) \
+ { TYPE a = 0.5 ## POSTFIX; \
+ TYPE b = 0.25 ## POSTFIX; \
+ if (a + b != 0.75 ## POSTFIX) \
+ abort(); \
+ if (a - b != 0.25 ## POSTFIX) \
+ abort(); \
+ if (a * b != 0.125 ## POSTFIX) \
+ abort(); \
+ if (b / a != 0.5 ## POSTFIX) \
+ abort(); \
+ if (b << 1 != a) \
+ abort(); \
+ if (a >> 1 != b) \
+ abort(); \
+ if (a < b != 0) \
+ abort(); \
+ if (a <= b != 0) \
+ abort(); \
+ if (a > b != 1) \
+ abort(); \
+ if (a >= b != 1) \
+ abort(); \
+ if (a == b != 0) \
+ abort(); \
+ if (a != b != 1) \
+ abort(); \
+ a += b; \
+ if (a != 0.75 ## POSTFIX) \
+ abort(); \
+ a -= b; \
+ if (a != 0.5 ## POSTFIX) \
+ abort(); \
+ a *= b; \
+ if (a != 0.125 ## POSTFIX) \
+ abort(); \
+ a /= b; \
+ if (a != 0.5 ## POSTFIX) \
+ abort(); \
+ a >>= 2; \
+ if (a != 0.125 ## POSTFIX) \
+ abort(); \
+ a <<= 1; \
+ if (a != 0.25 ## POSTFIX) \
+ abort(); \
+ }
+
+#define FRACT_SAT_BINARY(TYPE,POSTFIX) \
+ { TYPE a = 0.7 ## POSTFIX; \
+ TYPE b = 0.9 ## POSTFIX; \
+ if (a + b != 1.0 ## POSTFIX) \
+ abort(); \
+ a = -0.7 ## POSTFIX; \
+ b = -0.9 ## POSTFIX; \
+ if (a + b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
+ abort(); \
+ a = 0.7 ## POSTFIX; \
+ b = -0.9 ## POSTFIX; \
+ if (a - b != 1.0 ## POSTFIX) \
+ abort(); \
+ a = -0.7 ## POSTFIX; \
+ b = 0.9 ## POSTFIX; \
+ if (a - b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
+ abort(); \
+ a = -0.5 ## POSTFIX - 0.5 ## POSTFIX; \
+ if (a * a != 1.0 ## POSTFIX) \
+ abort(); \
+ a = 0.8 ## POSTFIX; \
+ b = 0.5 ## POSTFIX; \
+ if (a / b != 1.0 ## POSTFIX) \
+ abort(); \
+ a = -0.8 ## POSTFIX; \
+ b = 0.5 ## POSTFIX; \
+ if (a / b != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
+ abort(); \
+ a = 0.1 ## POSTFIX; \
+ if (a << 4 != 1.0 ## POSTFIX) \
+ abort(); \
+ a = -0.8 ## POSTFIX; \
+ if (a << 4 != -0.5 ## POSTFIX - 0.5 ## POSTFIX) \
+ abort(); \
+ }
+
+#define FRACT_SAT_UNS_BINARY(TYPE,POSTFIX) \
+ { TYPE a = 0.7 ## POSTFIX; \
+ TYPE b = 0.9 ## POSTFIX; \
+ if (a + b != 1.0 ## POSTFIX) \
+ abort(); \
+ if (a - b != 0.0 ## POSTFIX) \
+ abort(); \
+ if (b / a != 1.0 ## POSTFIX) \
+ abort(); \
+ if (a << 1 != 1.0 ## POSTFIX) \
+ abort(); \
+ }
+
+int main ()
+{
+ BINARY(short _Fract, hr);
+ BINARY(_Fract, r);
+ BINARY(long _Fract, lr);
+ BINARY(long long _Fract, llr);
+ BINARY(unsigned short _Fract, uhr);
+ BINARY(unsigned _Fract, ur);
+ BINARY(unsigned long _Fract, ulr);
+ BINARY(unsigned long long _Fract, ullr);
+ BINARY(_Sat short _Fract, hr);
+ BINARY(_Sat _Fract, r);
+ BINARY(_Sat long _Fract, lr);
+ BINARY(_Sat long long _Fract, llr);
+ BINARY(_Sat unsigned short _Fract, uhr);
+ BINARY(_Sat unsigned _Fract, ur);
+ BINARY(_Sat unsigned long _Fract, ulr);
+ BINARY(_Sat unsigned long long _Fract, ullr);
+ BINARY(short _Accum, hk);
+ BINARY(_Accum, k);
+ BINARY(long _Accum, lk);
+ BINARY(long long _Accum, llk);
+ BINARY(unsigned short _Accum, uhk);
+ BINARY(unsigned _Accum, uk);
+ BINARY(unsigned long _Accum, ulk);
+ BINARY(unsigned long long _Accum, ullk);
+ BINARY(_Sat short _Accum, hk);
+ BINARY(_Sat _Accum, k);
+ BINARY(_Sat long _Accum, lk);
+ BINARY(_Sat long long _Accum, llk);
+ BINARY(_Sat unsigned short _Accum, uhk);
+ BINARY(_Sat unsigned _Accum, uk);
+ BINARY(_Sat unsigned long _Accum, ulk);
+ BINARY(_Sat unsigned long long _Accum, ullk);
+
+ FRACT_SAT_BINARY(_Sat short _Fract, hr);
+ FRACT_SAT_BINARY(_Sat _Fract, r);
+ FRACT_SAT_BINARY(_Sat long _Fract, lr);
+ FRACT_SAT_BINARY(_Sat long long _Fract, llr);
+
+ FRACT_SAT_UNS_BINARY(_Sat unsigned short _Fract, uhr);
+ FRACT_SAT_UNS_BINARY(_Sat unsigned _Fract, ur);
+ FRACT_SAT_UNS_BINARY(_Sat unsigned long _Fract, ulr);
+ FRACT_SAT_UNS_BINARY(_Sat unsigned long long _Fract, ullr);
+
+ return 0;
+}