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Unified Diff: test/cctest/test-assembler-mips.cc

Issue 1488613007: MIPS: Correct handling of Nan values on MIPS R6 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Removing leftover printfs Created 5 years ago
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Index: test/cctest/test-assembler-mips.cc
diff --git a/test/cctest/test-assembler-mips.cc b/test/cctest/test-assembler-mips.cc
index b9f23918ec8b8203528cbe20be8473785d2b5fe8..8a4e4ff0a232e0c10b741e15b8ebdb2d663b63e9 100644
--- a/test/cctest/test-assembler-mips.cc
+++ b/test/cctest/test-assembler-mips.cc
@@ -1204,6 +1204,7 @@ TEST(MIPS14) {
HandleScope scope(isolate);
#define ROUND_STRUCT_ELEMENT(x) \
+ uint32_t x##_isNaN2008; \
int32_t x##_up_out; \
int32_t x##_down_out; \
int32_t neg_##x##_up_out; \
@@ -1241,6 +1242,8 @@ TEST(MIPS14) {
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
#define RUN_ROUND_TEST(x) \
+ __ cfc1(t0, FCSR);\
+ __ sw(t0, MemOperand(a0, offsetof(T, x##_isNaN2008))); \
__ ldc1(f0, MemOperand(a0, offsetof(T, round_up_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_up_out))); \
@@ -1313,12 +1316,18 @@ TEST(MIPS14) {
USE(dummy);
#define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask))
+#define CHECK_NAN2008(x) (x & kFCSRNaN2008FlagMask)
#define CHECK_ROUND_RESULT(type) \
CHECK(GET_FPU_ERR(t.type##_err1_out) & kFCSRInexactFlagMask); \
CHECK_EQ(0, GET_FPU_ERR(t.type##_err2_out)); \
CHECK(GET_FPU_ERR(t.type##_err3_out) & kFCSRInvalidOpFlagMask); \
CHECK(GET_FPU_ERR(t.type##_err4_out) & kFCSRInvalidOpFlagMask); \
- CHECK_EQ(kFPUInvalidResult, static_cast<uint>(t.type##_invalid_result));
+ if (CHECK_NAN2008(t.type##_isNaN2008) && kArchVariant == kMips32r6) {\
+ CHECK_EQ(static_cast<int32_t>(0), t.type##_invalid_result);\
+ } else {\
+ CHECK_EQ(static_cast<int32_t>(kFPUInvalidResult), t.type##_invalid_result);\
+ }
+
CHECK_ROUND_RESULT(round);
CHECK_ROUND_RESULT(floor);
@@ -1967,6 +1976,7 @@ TEST(trunc_l) {
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int64_t c; // a trunc result
@@ -1992,7 +2002,15 @@ TEST(trunc_l) {
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
+ -2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
+ 2147483648.0,
+ 0,
+ dFPU64InvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ trunc_l_d(f8, f4);
@@ -2011,7 +2029,12 @@ TEST(trunc_l) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
+ kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2288,6 +2311,7 @@ TEST(trunc_w) {
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int32_t c; // a trunc result
@@ -2313,7 +2337,15 @@ TEST(trunc_w) {
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
+ -2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
+ kFPUInvalidResult,
+ 0,
+ kFPUInvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ trunc_w_d(f8, f4);
@@ -2332,7 +2364,11 @@ TEST(trunc_w) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2345,6 +2381,7 @@ TEST(round_w) {
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int32_t c; // a trunc result
@@ -2370,7 +2407,14 @@ TEST(round_w) {
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
+ -2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
+ kFPUInvalidResult, 0,
+ kFPUInvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ round_w_d(f8, f4);
@@ -2389,7 +2433,11 @@ TEST(round_w) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2404,6 +2452,7 @@ TEST(round_l) {
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int64_t c;
@@ -2429,7 +2478,15 @@ TEST(round_l) {
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
+ -2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
+ 2147483648.0,
+ 0,
+ dFPU64InvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ round_l_d(f8, f4);
@@ -2448,7 +2505,12 @@ TEST(round_l) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
+ kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2802,6 +2864,7 @@ TEST(floor_w) {
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int32_t c; // a floor result
@@ -2827,7 +2890,15 @@ TEST(floor_w) {
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
+ -3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
+ kFPUInvalidResult,
+ 0,
+ kFPUInvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ floor_w_d(f8, f4);
@@ -2846,7 +2917,11 @@ TEST(floor_w) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2861,6 +2936,7 @@ TEST(floor_l) {
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int64_t c;
@@ -2886,7 +2962,15 @@ TEST(floor_l) {
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
+ -3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
+ 2147483648.0,
+ 0,
+ dFPU64InvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ floor_l_d(f8, f4);
@@ -2905,7 +2989,12 @@ TEST(floor_l) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
+ kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2919,6 +3008,7 @@ TEST(ceil_w) {
MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int32_t c; // a floor result
@@ -2944,7 +3034,15 @@ TEST(ceil_w) {
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
+ -2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
+ kFPUInvalidResult,
+ 0,
+ kFPUInvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ ceil_w_d(f8, f4);
@@ -2963,7 +3061,11 @@ TEST(ceil_w) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) && kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
@@ -2978,6 +3080,7 @@ TEST(ceil_l) {
v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
typedef struct test_float {
+ uint32_t isNaN2008;
double a;
float b;
int64_t c;
@@ -3003,7 +3106,15 @@ TEST(ceil_l) {
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
+ double outputsNaN2008[kTableLength] = {
+ 3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
+ -2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
+ 2147483648.0,
+ 0,
+ dFPU64InvalidResult};
+ __ cfc1(t1, FCSR);
+ __ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ ldc1(f4, MemOperand(a0, offsetof(Test, a)) );
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ ceil_l_d(f8, f4);
@@ -3022,7 +3133,12 @@ TEST(ceil_l) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(CALL_GENERATED_CODE(isolate, f, &test, 0, 0, 0, 0));
- CHECK_EQ(test.c, outputs[i]);
+ if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
+ kArchVariant == kMips32r6) {
+ CHECK_EQ(test.c, outputsNaN2008[i]);
+ } else {
+ CHECK_EQ(test.c, outputs[i]);
+ }
CHECK_EQ(test.d, test.c);
}
}
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