Index: crosstest/test_icmp_main.cpp |
diff --git a/crosstest/test_icmp_main.cpp b/crosstest/test_icmp_main.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3981fcf9a055743a2d19d82601aa36cd0c5ebd02 |
--- /dev/null |
+++ b/crosstest/test_icmp_main.cpp |
@@ -0,0 +1,118 @@ |
+/* crosstest.py --test=test_icmp.cpp --driver=test_icmp_main.cpp \ |
+ --prefix=Subzero_ --output=test_icmp */ |
+ |
+#include <stdint.h> |
+#include <iostream> |
+ |
+// Include test_icmp.h twice - once normally, and once within the |
+// Subzero_ namespace, corresponding to the llc and Subzero translated |
+// object files, respectively. |
+#include "test_icmp.h" |
+namespace Subzero_ { |
+#include "test_icmp.h" |
+} |
+ |
+volatile unsigned Values[] = { 0x0, 0x1, 0x7ffffffe, 0x7fffffff, |
+ 0x80000000, 0x80000001, 0xfffffffe, 0xffffffff, |
+ 0x7e, 0x7f, 0x80, 0x81, |
+ 0xfe, 0xff, 0x100, 0x101, |
+ 0x7ffe, 0x7fff, 0x8000, 0x8001, |
+ 0xfffe, 0xffff, 0x10000, 0x10001, }; |
+const static size_t NumValues = sizeof(Values) / sizeof(*Values); |
+ |
+template <typename TypeUnsigned, typename TypeSigned> |
+void testsInt(size_t &TotalTests, size_t &Passes, size_t &Failures) { |
+ typedef bool (*FuncTypeUnsigned)(TypeUnsigned, TypeUnsigned); |
+ typedef bool (*FuncTypeSigned)(TypeSigned, TypeSigned); |
+ static struct { |
+ const char *Name; |
+ FuncTypeUnsigned FuncLlc; |
+ FuncTypeUnsigned FuncSz; |
+ } Funcs[] = { |
+#define X(cmp, op) \ |
+ { \ |
+ STR(inst), (FuncTypeUnsigned)icmp##cmp, \ |
+ (FuncTypeUnsigned)Subzero_::icmp##cmp \ |
+ } \ |
+ , |
+ ICMP_U_TABLE |
+#undef X |
+#define X(cmp, op) \ |
+ { \ |
+ STR(inst), (FuncTypeUnsigned)(FuncTypeSigned)icmp##cmp, \ |
+ (FuncTypeUnsigned)(FuncTypeSigned)Subzero_::icmp##cmp \ |
+ } \ |
+ , |
+ ICMP_S_TABLE |
+#undef X |
+ }; |
+ const static size_t NumFuncs = sizeof(Funcs) / sizeof(*Funcs); |
+ |
+ if (sizeof(TypeUnsigned) <= sizeof(uint32_t)) { |
+ // This is the "normal" version of the loop nest, for 32-bit or |
+ // narrower types. |
+ for (size_t f = 0; f < NumFuncs; ++f) { |
+ for (size_t i = 0; i < NumValues; ++i) { |
+ for (size_t j = 0; j < NumValues; ++j) { |
+ TypeUnsigned Value1 = Values[i]; |
+ TypeUnsigned Value2 = Values[j]; |
+ ++TotalTests; |
+ bool ResultSz = Funcs[f].FuncSz(Value1, Value2); |
+ bool ResultLlc = Funcs[f].FuncLlc(Value1, Value2); |
+ if (ResultSz == ResultLlc) { |
+ ++Passes; |
+ } else { |
+ ++Failures; |
+ std::cout << "icmp" << Funcs[f].Name << (8 * sizeof(TypeUnsigned)) |
+ << "(" << Value1 << ", " << Value2 << "): sz=" << ResultSz |
+ << " llc=" << ResultLlc << std::endl; |
+ } |
+ } |
+ } |
+ } |
+ } else { |
+ // This is the 64-bit version. Test values are synthesized from |
+ // the 32-bit values in Values[]. |
+ for (size_t f = 0; f < NumFuncs; ++f) { |
+ for (size_t iLo = 0; iLo < NumValues; ++iLo) { |
+ for (size_t iHi = 0; iHi < NumValues; ++iHi) { |
+ for (size_t jLo = 0; jLo < NumValues; ++jLo) { |
+ for (size_t jHi = 0; jHi < NumValues; ++jHi) { |
+ TypeUnsigned Value1 = |
+ (((TypeUnsigned)Values[iHi]) << 32) + Values[iLo]; |
+ TypeUnsigned Value2 = |
+ (((TypeUnsigned)Values[jHi]) << 32) + Values[jLo]; |
+ ++TotalTests; |
+ bool ResultSz = Funcs[f].FuncSz(Value1, Value2); |
+ bool ResultLlc = Funcs[f].FuncLlc(Value1, Value2); |
+ if (ResultSz == ResultLlc) { |
+ ++Passes; |
+ } else { |
+ ++Failures; |
+ std::cout << "icmp" << Funcs[f].Name |
+ << (8 * sizeof(TypeUnsigned)) << "(" << Value1 << ", " |
+ << Value2 << "): sz=" << ResultSz |
+ << " llc=" << ResultLlc << std::endl; |
+ } |
+ } |
+ } |
+ } |
+ } |
+ } |
+ } |
+} |
+ |
+int main(int argc, char **argv) { |
+ size_t TotalTests = 0; |
+ size_t Passes = 0; |
+ size_t Failures = 0; |
+ |
+ testsInt<uint8_t, int8_t>(TotalTests, Passes, Failures); |
+ testsInt<uint16_t, int16_t>(TotalTests, Passes, Failures); |
+ testsInt<uint32_t, int32_t>(TotalTests, Passes, Failures); |
+ testsInt<uint64_t, int64_t>(TotalTests, Passes, Failures); |
+ |
+ std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes |
+ << " Failures=" << Failures << "\n"; |
+ return Failures; |
+} |