Index: test/cctest/test-assembler-mips.cc |
diff --git a/test/cctest/test-assembler-mips.cc b/test/cctest/test-assembler-mips.cc |
index ecb42e2f7b9f376fdfd3c1a9e3f08ce94c642148..8cd56f76fffe382e53671dde8544e76b475199e6 100644 |
--- a/test/cctest/test-assembler-mips.cc |
+++ b/test/cctest/test-assembler-mips.cc |
@@ -59,6 +59,7 @@ static void InitializeVM() { |
#define __ assm. |
+ |
TEST(MIPS0) { |
InitializeVM(); |
v8::HandleScope scope; |
@@ -72,14 +73,11 @@ TEST(MIPS0) { |
CodeDesc desc; |
assm.GetCode(&desc); |
- Object* code = Heap::CreateCode(desc, |
- NULL, |
- Code::ComputeFlags(Code::STUB), |
- Handle<Object>(Heap::undefined_value())); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
CHECK(code->IsCode()); |
-#ifdef DEBUG |
- Code::cast(code)->Print(); |
-#endif |
F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry()); |
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0)); |
::printf("f() = %d\n", res); |
@@ -100,12 +98,12 @@ TEST(MIPS1) { |
__ nop(); |
__ bind(&L); |
- __ add(v0, v0, a1); |
+ __ addu(v0, v0, a1); |
__ addiu(a1, a1, -1); |
__ bind(&C); |
__ xori(v1, a1, 0); |
- __ Branch(ne, &L, v1, Operand(0, RelocInfo::NONE)); |
+ __ Branch(&L, ne, v1, Operand(0)); |
__ nop(); |
__ jr(ra); |
@@ -113,14 +111,11 @@ TEST(MIPS1) { |
CodeDesc desc; |
assm.GetCode(&desc); |
- Object* code = Heap::CreateCode(desc, |
- NULL, |
- Code::ComputeFlags(Code::STUB), |
- Handle<Object>(Heap::undefined_value())); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
CHECK(code->IsCode()); |
-#ifdef DEBUG |
- Code::cast(code)->Print(); |
-#endif |
F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 50, 0, 0, 0, 0)); |
::printf("f() = %d\n", res); |
@@ -166,62 +161,81 @@ TEST(MIPS2) { |
__ srav(v0, v0, t0); // 0xff234560 |
__ sllv(v0, v0, t0); // 0xf2345600 |
__ srlv(v0, v0, t0); // 0x0f234560 |
- __ Branch(ne, &error, v0, Operand(0x0f234560)); |
+ __ Branch(&error, ne, v0, Operand(0x0f234560)); |
__ nop(); |
- __ add(v0, t0, t1); // 0x00001238 |
- __ sub(v0, v0, t0); // 0x00001234 |
- __ Branch(ne, &error, v0, Operand(0x00001234)); |
+ __ addu(v0, t0, t1); // 0x00001238 |
+ __ subu(v0, v0, t0); // 0x00001234 |
+ __ Branch(&error, ne, v0, Operand(0x00001234)); |
__ nop(); |
__ addu(v1, t3, t0); |
- __ Branch(ne, &error, v1, Operand(0x80000003)); |
+ __ Branch(&error, ne, v1, Operand(0x80000003)); |
__ nop(); |
__ subu(v1, t7, t0); // 0x7ffffffc |
- __ Branch(ne, &error, v1, Operand(0x7ffffffc)); |
+ __ Branch(&error, ne, v1, Operand(0x7ffffffc)); |
__ nop(); |
__ and_(v0, t1, t2); // 0x00001230 |
__ or_(v0, v0, t1); // 0x00001234 |
__ xor_(v0, v0, t2); // 0x1234444c |
__ nor(v0, v0, t2); // 0xedcba987 |
- __ Branch(ne, &error, v0, Operand(0xedcba983)); |
+ __ Branch(&error, ne, v0, Operand(0xedcba983)); |
__ nop(); |
__ slt(v0, t7, t3); |
- __ Branch(ne, &error, v0, Operand(0x1)); |
+ __ Branch(&error, ne, v0, Operand(0x1)); |
__ nop(); |
__ sltu(v0, t7, t3); |
- __ Branch(ne, &error, v0, Operand(0x0)); |
+ __ Branch(&error, ne, v0, Operand(0x0)); |
__ nop(); |
// End of SPECIAL class. |
- __ addi(v0, zero_reg, 0x7421); // 0x00007421 |
- __ addi(v0, v0, -0x1); // 0x00007420 |
+ __ addiu(v0, zero_reg, 0x7421); // 0x00007421 |
+ __ addiu(v0, v0, -0x1); // 0x00007420 |
__ addiu(v0, v0, -0x20); // 0x00007400 |
- __ Branch(ne, &error, v0, Operand(0x00007400)); |
+ __ Branch(&error, ne, v0, Operand(0x00007400)); |
__ nop(); |
__ addiu(v1, t3, 0x1); // 0x80000000 |
- __ Branch(ne, &error, v1, Operand(0x80000000)); |
+ __ Branch(&error, ne, v1, Operand(0x80000000)); |
__ nop(); |
__ slti(v0, t1, 0x00002000); // 0x1 |
__ slti(v0, v0, 0xffff8000); // 0x0 |
- __ Branch(ne, &error, v0, Operand(0x0)); |
+ __ Branch(&error, ne, v0, Operand(0x0)); |
__ nop(); |
__ sltiu(v0, t1, 0x00002000); // 0x1 |
__ sltiu(v0, v0, 0x00008000); // 0x1 |
- __ Branch(ne, &error, v0, Operand(0x1)); |
+ __ Branch(&error, ne, v0, Operand(0x1)); |
__ nop(); |
__ andi(v0, t1, 0xf0f0); // 0x00001030 |
__ ori(v0, v0, 0x8a00); // 0x00009a30 |
__ xori(v0, v0, 0x83cc); // 0x000019fc |
- __ Branch(ne, &error, v0, Operand(0x000019fc)); |
+ __ Branch(&error, ne, v0, Operand(0x000019fc)); |
__ nop(); |
__ lui(v1, 0x8123); // 0x81230000 |
- __ Branch(ne, &error, v1, Operand(0x81230000)); |
+ __ Branch(&error, ne, v1, Operand(0x81230000)); |
__ nop(); |
+ // Bit twiddling instructions & conditional moves. |
+ // Uses t0-t7 as set above. |
+ __ clz(v0, t0); // 29 |
+ __ clz(v1, t1); // 19 |
+ __ addu(v0, v0, v1); // 48 |
+ __ clz(v1, t2); // 3 |
+ __ addu(v0, v0, v1); // 51 |
+ __ clz(v1, t7); // 0 |
+ __ addu(v0, v0, v1); // 51 |
+ __ Branch(&error, ne, v0, Operand(51)); |
+ __ movn(a0, t3, t0); // Move a0<-t3 (t0 is NOT 0). |
+ __ Ins(a0, t1, 12, 8); // 0x7ff34fff |
+ __ Branch(&error, ne, a0, Operand(0x7ff34fff)); |
+ __ movz(a0, t6, t7); // a0 not updated (t7 is NOT 0). |
+ __ Ext(a1, a0, 8, 12); // 0x34f |
+ __ Branch(&error, ne, a1, Operand(0x34f)); |
+ __ movz(a0, t6, v1); // a0<-t6, v0 is 0, from 8 instr back. |
+ __ Branch(&error, ne, a0, Operand(t6)); |
+ |
// Everything was correctly executed. Load the expected result. |
__ li(v0, 0x31415926); |
__ b(&exit); |
@@ -229,6 +243,7 @@ TEST(MIPS2) { |
__ bind(&error); |
// Got an error. Return a wrong result. |
+ __ li(v0, 666); |
__ bind(&exit); |
__ jr(ra); |
@@ -236,18 +251,1061 @@ TEST(MIPS2) { |
CodeDesc desc; |
assm.GetCode(&desc); |
- Object* code = Heap::CreateCode(desc, |
- NULL, |
- Code::ComputeFlags(Code::STUB), |
- Handle<Object>(Heap::undefined_value())); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
CHECK(code->IsCode()); |
-#ifdef DEBUG |
- Code::cast(code)->Print(); |
-#endif |
F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry()); |
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0)); |
::printf("f() = %d\n", res); |
CHECK_EQ(0x31415926, res); |
} |
+ |
+TEST(MIPS3) { |
+ // Test floating point instructions. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double a; |
+ double b; |
+ double c; |
+ double d; |
+ double e; |
+ double f; |
+ double g; |
+ } T; |
+ T t; |
+ |
+ // Create a function that accepts &t, and loads, manipulates, and stores |
+ // the doubles t.a ... t.f. |
+ MacroAssembler assm(NULL, 0); |
+ Label L, C; |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
+ __ add_d(f8, f4, f6); |
+ __ sdc1(f8, MemOperand(a0, OFFSET_OF(T, c)) ); // c = a + b. |
+ |
+ __ mov_d(f10, f8); // c |
+ __ neg_d(f12, f6); // -b |
+ __ sub_d(f10, f10, f12); |
+ __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, d)) ); // d = c - (-b). |
+ |
+ __ sdc1(f4, MemOperand(a0, OFFSET_OF(T, b)) ); // b = a. |
+ |
+ __ li(t0, 120); |
+ __ mtc1(t0, f14); |
+ __ cvt_d_w(f14, f14); // f14 = 120.0. |
+ __ mul_d(f10, f10, f14); |
+ __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, e)) ); // e = d * 120 = 1.8066e16. |
+ |
+ __ div_d(f12, f10, f4); |
+ __ sdc1(f12, MemOperand(a0, OFFSET_OF(T, f)) ); // f = e / a = 120.44. |
+ |
+ __ sqrt_d(f14, f12); |
+ __ sdc1(f14, MemOperand(a0, OFFSET_OF(T, g)) ); |
+ // g = sqrt(f) = 10.97451593465515908537 |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.a = 1.5e14; |
+ t.b = 2.75e11; |
+ t.c = 0.0; |
+ t.d = 0.0; |
+ t.e = 0.0; |
+ t.f = 0.0; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ CHECK_EQ(1.5e14, t.a); |
+ CHECK_EQ(1.5e14, t.b); |
+ CHECK_EQ(1.50275e14, t.c); |
+ CHECK_EQ(1.50550e14, t.d); |
+ CHECK_EQ(1.8066e16, t.e); |
+ CHECK_EQ(120.44, t.f); |
+ CHECK_EQ(10.97451593465515908537, t.g); |
+ } |
+} |
+ |
+ |
+TEST(MIPS4) { |
+ // Test moves between floating point and integer registers. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double a; |
+ double b; |
+ double c; |
+ } T; |
+ T t; |
+ |
+ Assembler assm(NULL, 0); |
+ Label L, C; |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
+ |
+ // Swap f4 and f6, by using four integer registers, t0-t3. |
+ __ mfc1(t0, f4); |
+ __ mfc1(t1, f5); |
+ __ mfc1(t2, f6); |
+ __ mfc1(t3, f7); |
+ |
+ __ mtc1(t0, f6); |
+ __ mtc1(t1, f7); |
+ __ mtc1(t2, f4); |
+ __ mtc1(t3, f5); |
+ |
+ // Store the swapped f4 and f5 back to memory. |
+ __ sdc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ __ sdc1(f6, MemOperand(a0, OFFSET_OF(T, c)) ); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.a = 1.5e22; |
+ t.b = 2.75e11; |
+ t.c = 17.17; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(2.75e11, t.a); |
+ CHECK_EQ(2.75e11, t.b); |
+ CHECK_EQ(1.5e22, t.c); |
+ } |
+} |
+ |
+ |
+TEST(MIPS5) { |
+ // Test conversions between doubles and integers. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double a; |
+ double b; |
+ int i; |
+ int j; |
+ } T; |
+ T t; |
+ |
+ Assembler assm(NULL, 0); |
+ Label L, C; |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ // Load all structure elements to registers. |
+ __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, i)) ); |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, j)) ); |
+ |
+ // Convert double in f4 to int in element i. |
+ __ cvt_w_d(f8, f4); |
+ __ mfc1(t2, f8); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, i)) ); |
+ |
+ // Convert double in f6 to int in element j. |
+ __ cvt_w_d(f10, f6); |
+ __ mfc1(t3, f10); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, j)) ); |
+ |
+ // Convert int in original i (t0) to double in a. |
+ __ mtc1(t0, f12); |
+ __ cvt_d_w(f0, f12); |
+ __ sdc1(f0, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ |
+ // Convert int in original j (t1) to double in b. |
+ __ mtc1(t1, f14); |
+ __ cvt_d_w(f2, f14); |
+ __ sdc1(f2, MemOperand(a0, OFFSET_OF(T, b)) ); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.a = 1.5e4; |
+ t.b = 2.75e8; |
+ t.i = 12345678; |
+ t.j = -100000; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(12345678.0, t.a); |
+ CHECK_EQ(-100000.0, t.b); |
+ CHECK_EQ(15000, t.i); |
+ CHECK_EQ(275000000, t.j); |
+ } |
+} |
+ |
+ |
+TEST(MIPS6) { |
+ // Test simple memory loads and stores. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ uint32_t ui; |
+ int32_t si; |
+ int32_t r1; |
+ int32_t r2; |
+ int32_t r3; |
+ int32_t r4; |
+ int32_t r5; |
+ int32_t r6; |
+ } T; |
+ T t; |
+ |
+ Assembler assm(NULL, 0); |
+ Label L, C; |
+ |
+ // Basic word load/store. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, ui)) ); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, r1)) ); |
+ |
+ // lh with positive data. |
+ __ lh(t1, MemOperand(a0, OFFSET_OF(T, ui)) ); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, r2)) ); |
+ |
+ // lh with negative data. |
+ __ lh(t2, MemOperand(a0, OFFSET_OF(T, si)) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, r3)) ); |
+ |
+ // lhu with negative data. |
+ __ lhu(t3, MemOperand(a0, OFFSET_OF(T, si)) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, r4)) ); |
+ |
+ // lb with negative data. |
+ __ lb(t4, MemOperand(a0, OFFSET_OF(T, si)) ); |
+ __ sw(t4, MemOperand(a0, OFFSET_OF(T, r5)) ); |
+ |
+ // sh writes only 1/2 of word. |
+ __ lui(t5, 0x3333); |
+ __ ori(t5, t5, 0x3333); |
+ __ sw(t5, MemOperand(a0, OFFSET_OF(T, r6)) ); |
+ __ lhu(t5, MemOperand(a0, OFFSET_OF(T, si)) ); |
+ __ sh(t5, MemOperand(a0, OFFSET_OF(T, r6)) ); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.ui = 0x11223344; |
+ t.si = 0x99aabbcc; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(0x11223344, t.r1); |
+ CHECK_EQ(0x3344, t.r2); |
+ CHECK_EQ(0xffffbbcc, t.r3); |
+ CHECK_EQ(0x0000bbcc, t.r4); |
+ CHECK_EQ(0xffffffcc, t.r5); |
+ CHECK_EQ(0x3333bbcc, t.r6); |
+} |
+ |
+ |
+TEST(MIPS7) { |
+ // Test floating point compare and branch instructions. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double a; |
+ double b; |
+ double c; |
+ double d; |
+ double e; |
+ double f; |
+ int32_t result; |
+ } T; |
+ T t; |
+ |
+ // Create a function that accepts &t, and loads, manipulates, and stores |
+ // the doubles t.a ... t.f. |
+ MacroAssembler assm(NULL, 0); |
+ Label neither_is_nan, less_than, outa_here; |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
+ __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
+ __ c(UN, D, f4, f6); |
+ __ bc1f(&neither_is_nan); |
+ __ nop(); |
+ __ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) ); |
+ __ Branch(&outa_here); |
+ |
+ __ bind(&neither_is_nan); |
+ |
+ __ c(OLT, D, f6, f4, 2); |
+ __ bc1t(&less_than, 2); |
+ __ nop(); |
+ __ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) ); |
+ __ Branch(&outa_here); |
+ |
+ __ bind(&less_than); |
+ __ Addu(t0, zero_reg, Operand(1)); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, result)) ); // Set true. |
+ |
+ |
+ // This test-case should have additional tests. |
+ |
+ __ bind(&outa_here); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.a = 1.5e14; |
+ t.b = 2.75e11; |
+ t.c = 2.0; |
+ t.d = -4.0; |
+ t.e = 0.0; |
+ t.f = 0.0; |
+ t.result = 0; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ CHECK_EQ(1.5e14, t.a); |
+ CHECK_EQ(2.75e11, t.b); |
+ CHECK_EQ(1, t.result); |
+ } |
+} |
+ |
+ |
+TEST(MIPS8) { |
+ // Test ROTR and ROTRV instructions. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ int32_t input; |
+ int32_t result_rotr_4; |
+ int32_t result_rotr_8; |
+ int32_t result_rotr_12; |
+ int32_t result_rotr_16; |
+ int32_t result_rotr_20; |
+ int32_t result_rotr_24; |
+ int32_t result_rotr_28; |
+ int32_t result_rotrv_4; |
+ int32_t result_rotrv_8; |
+ int32_t result_rotrv_12; |
+ int32_t result_rotrv_16; |
+ int32_t result_rotrv_20; |
+ int32_t result_rotrv_24; |
+ int32_t result_rotrv_28; |
+ } T; |
+ T t; |
+ |
+ MacroAssembler assm(NULL, 0); |
+ |
+ // Basic word load. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, input)) ); |
+ |
+ // ROTR instruction (called through the Ror macro). |
+ __ Ror(t1, t0, 0x0004); |
+ __ Ror(t2, t0, 0x0008); |
+ __ Ror(t3, t0, 0x000c); |
+ __ Ror(t4, t0, 0x0010); |
+ __ Ror(t5, t0, 0x0014); |
+ __ Ror(t6, t0, 0x0018); |
+ __ Ror(t7, t0, 0x001c); |
+ |
+ // Basic word store. |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotr_4)) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotr_8)) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotr_12)) ); |
+ __ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotr_16)) ); |
+ __ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotr_20)) ); |
+ __ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotr_24)) ); |
+ __ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotr_28)) ); |
+ |
+ // ROTRV instruction (called through the Ror macro). |
+ __ li(t7, 0x0004); |
+ __ Ror(t1, t0, t7); |
+ __ li(t7, 0x0008); |
+ __ Ror(t2, t0, t7); |
+ __ li(t7, 0x000C); |
+ __ Ror(t3, t0, t7); |
+ __ li(t7, 0x0010); |
+ __ Ror(t4, t0, t7); |
+ __ li(t7, 0x0014); |
+ __ Ror(t5, t0, t7); |
+ __ li(t7, 0x0018); |
+ __ Ror(t6, t0, t7); |
+ __ li(t7, 0x001C); |
+ __ Ror(t7, t0, t7); |
+ |
+ // Basic word store. |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotrv_4)) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotrv_8)) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotrv_12)) ); |
+ __ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotrv_16)) ); |
+ __ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotrv_20)) ); |
+ __ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotrv_24)) ); |
+ __ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotrv_28)) ); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.input = 0x12345678; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0x0, 0, 0, 0); |
+ USE(dummy); |
+ CHECK_EQ(0x81234567, t.result_rotr_4); |
+ CHECK_EQ(0x78123456, t.result_rotr_8); |
+ CHECK_EQ(0x67812345, t.result_rotr_12); |
+ CHECK_EQ(0x56781234, t.result_rotr_16); |
+ CHECK_EQ(0x45678123, t.result_rotr_20); |
+ CHECK_EQ(0x34567812, t.result_rotr_24); |
+ CHECK_EQ(0x23456781, t.result_rotr_28); |
+ |
+ CHECK_EQ(0x81234567, t.result_rotrv_4); |
+ CHECK_EQ(0x78123456, t.result_rotrv_8); |
+ CHECK_EQ(0x67812345, t.result_rotrv_12); |
+ CHECK_EQ(0x56781234, t.result_rotrv_16); |
+ CHECK_EQ(0x45678123, t.result_rotrv_20); |
+ CHECK_EQ(0x34567812, t.result_rotrv_24); |
+ CHECK_EQ(0x23456781, t.result_rotrv_28); |
+} |
+ |
+ |
+TEST(MIPS9) { |
+ // Test BRANCH improvements. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ MacroAssembler assm(NULL, 0); |
+ Label exit, exit2, exit3; |
+ |
+ __ Branch(&exit, ge, a0, Operand(0x00000000)); |
+ __ Branch(&exit2, ge, a0, Operand(0x00001FFF)); |
+ __ Branch(&exit3, ge, a0, Operand(0x0001FFFF)); |
+ |
+ __ bind(&exit); |
+ __ bind(&exit2); |
+ __ bind(&exit3); |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+} |
+ |
+ |
+TEST(MIPS10) { |
+ // Test conversions between doubles and long integers. |
+ // Test hos the long ints map to FP regs pairs. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double a; |
+ double b; |
+ int32_t dbl_mant; |
+ int32_t dbl_exp; |
+ int32_t long_hi; |
+ int32_t long_lo; |
+ int32_t b_long_hi; |
+ int32_t b_long_lo; |
+ } T; |
+ T t; |
+ |
+ Assembler assm(NULL, 0); |
+ Label L, C; |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ // Load all structure elements to registers. |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, a))); |
+ |
+ // Save the raw bits of the double. |
+ __ mfc1(t0, f0); |
+ __ mfc1(t1, f1); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, dbl_mant))); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, dbl_exp))); |
+ |
+ // Convert double in f0 to long, save hi/lo parts. |
+ __ cvt_l_d(f0, f0); |
+ __ mfc1(t0, f0); // f0 has LS 32 bits of long. |
+ __ mfc1(t1, f1); // f1 has MS 32 bits of long. |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, long_lo))); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, long_hi))); |
+ |
+ // Convert the b long integers to double b. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, b_long_lo))); |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, b_long_hi))); |
+ __ mtc1(t0, f8); // f8 has LS 32-bits. |
+ __ mtc1(t1, f9); // f9 has MS 32-bits. |
+ __ cvt_d_l(f10, f8); |
+ __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, b))); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.a = 2.147483647e9; // 0x7fffffff -> 0x41DFFFFFFFC00000 as double. |
+ t.b_long_hi = 0x000000ff; // 0xFF00FF00FF -> 0x426FE01FE01FE000 as double. |
+ t.b_long_lo = 0x00ff00ff; |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(0x41DFFFFF, t.dbl_exp); |
+ CHECK_EQ(0xFFC00000, t.dbl_mant); |
+ CHECK_EQ(0, t.long_hi); |
+ CHECK_EQ(0x7fffffff, t.long_lo); |
+ // 0xFF00FF00FF -> 1.095233372415e12. |
+ CHECK_EQ(1.095233372415e12, t.b); |
+ } |
+} |
+ |
+ |
+TEST(MIPS11) { |
+ // Test LWL, LWR, SWL and SWR instructions. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ int32_t reg_init; |
+ int32_t mem_init; |
+ int32_t lwl_0; |
+ int32_t lwl_1; |
+ int32_t lwl_2; |
+ int32_t lwl_3; |
+ int32_t lwr_0; |
+ int32_t lwr_1; |
+ int32_t lwr_2; |
+ int32_t lwr_3; |
+ int32_t swl_0; |
+ int32_t swl_1; |
+ int32_t swl_2; |
+ int32_t swl_3; |
+ int32_t swr_0; |
+ int32_t swr_1; |
+ int32_t swr_2; |
+ int32_t swr_3; |
+ } T; |
+ T t; |
+ |
+ Assembler assm(NULL, 0); |
+ |
+ // Test all combinations of LWL and vAddr. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwl(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, lwl_0)) ); |
+ |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwl(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) ); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, lwl_1)) ); |
+ |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwl(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, lwl_2)) ); |
+ |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwl(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, lwl_3)) ); |
+ |
+ // Test all combinations of LWR and vAddr. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwr(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, lwr_0)) ); |
+ |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwr(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) ); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, lwr_1)) ); |
+ |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwr(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, lwr_2)) ); |
+ |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ lwr(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, lwr_3)) ); |
+ |
+ // Test all combinations of SWL and vAddr. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) ); |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swl(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) ); |
+ |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, swl_1)) ); |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swl(t1, MemOperand(a0, OFFSET_OF(T, swl_1) + 1) ); |
+ |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, swl_2)) ); |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swl(t2, MemOperand(a0, OFFSET_OF(T, swl_2) + 2) ); |
+ |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, swl_3)) ); |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swl(t3, MemOperand(a0, OFFSET_OF(T, swl_3) + 3) ); |
+ |
+ // Test all combinations of SWR and vAddr. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) ); |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swr(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) ); |
+ |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t1, MemOperand(a0, OFFSET_OF(T, swr_1)) ); |
+ __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swr(t1, MemOperand(a0, OFFSET_OF(T, swr_1) + 1) ); |
+ |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t2, MemOperand(a0, OFFSET_OF(T, swr_2)) ); |
+ __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swr(t2, MemOperand(a0, OFFSET_OF(T, swr_2) + 2) ); |
+ |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
+ __ sw(t3, MemOperand(a0, OFFSET_OF(T, swr_3)) ); |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
+ __ swr(t3, MemOperand(a0, OFFSET_OF(T, swr_3) + 3) ); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.reg_init = 0xaabbccdd; |
+ t.mem_init = 0x11223344; |
+ |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(0x44bbccdd, t.lwl_0); |
+ CHECK_EQ(0x3344ccdd, t.lwl_1); |
+ CHECK_EQ(0x223344dd, t.lwl_2); |
+ CHECK_EQ(0x11223344, t.lwl_3); |
+ |
+ CHECK_EQ(0x11223344, t.lwr_0); |
+ CHECK_EQ(0xaa112233, t.lwr_1); |
+ CHECK_EQ(0xaabb1122, t.lwr_2); |
+ CHECK_EQ(0xaabbcc11, t.lwr_3); |
+ |
+ CHECK_EQ(0x112233aa, t.swl_0); |
+ CHECK_EQ(0x1122aabb, t.swl_1); |
+ CHECK_EQ(0x11aabbcc, t.swl_2); |
+ CHECK_EQ(0xaabbccdd, t.swl_3); |
+ |
+ CHECK_EQ(0xaabbccdd, t.swr_0); |
+ CHECK_EQ(0xbbccdd44, t.swr_1); |
+ CHECK_EQ(0xccdd3344, t.swr_2); |
+ CHECK_EQ(0xdd223344, t.swr_3); |
+} |
+ |
+ |
+TEST(MIPS12) { |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ int32_t x; |
+ int32_t y; |
+ int32_t y1; |
+ int32_t y2; |
+ int32_t y3; |
+ int32_t y4; |
+ } T; |
+ T t; |
+ |
+ MacroAssembler assm(NULL, 0); |
+ |
+ __ mov(t6, fp); // Save frame pointer. |
+ __ mov(fp, a0); // Access struct T by fp. |
+ __ lw(t0, MemOperand(a0, OFFSET_OF(T, y)) ); |
+ __ lw(t3, MemOperand(a0, OFFSET_OF(T, y4)) ); |
+ |
+ __ addu(t1, t0, t3); |
+ __ subu(t4, t0, t3); |
+ __ nop(); |
+ __ Push(t0); // These instructions disappear after opt. |
+ __ Pop(); |
+ __ addu(t0, t0, t0); |
+ __ nop(); |
+ __ Pop(); // These instructions disappear after opt. |
+ __ Push(t3); |
+ __ nop(); |
+ __ Push(t3); // These instructions disappear after opt. |
+ __ Pop(t3); |
+ __ nop(); |
+ __ Push(t3); |
+ __ Pop(t4); |
+ __ nop(); |
+ __ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ lw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ nop(); |
+ __ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ nop(); |
+ __ Push(t1); |
+ __ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ Pop(t1); |
+ __ nop(); |
+ __ Push(t1); |
+ __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ Pop(t1); |
+ __ nop(); |
+ __ Push(t1); |
+ __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ Pop(t2); |
+ __ nop(); |
+ __ Push(t2); |
+ __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ Pop(t1); |
+ __ nop(); |
+ __ Push(t1); |
+ __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
+ __ Pop(t3); |
+ __ nop(); |
+ |
+ __ mov(fp, t6); |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ t.x = 1; |
+ t.y = 2; |
+ t.y1 = 3; |
+ t.y2 = 4; |
+ t.y3 = 0XBABA; |
+ t.y4 = 0xDEDA; |
+ |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(3, t.y1); |
+} |
+ |
+ |
+TEST(MIPS13) { |
+ // Test Cvt_d_uw and Trunc_uw_d macros. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+ typedef struct { |
+ double cvt_big_out; |
+ double cvt_small_out; |
+ uint32_t trunc_big_out; |
+ uint32_t trunc_small_out; |
+ uint32_t cvt_big_in; |
+ uint32_t cvt_small_in; |
+ } T; |
+ T t; |
+ |
+ MacroAssembler assm(NULL, 0); |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_small_in))); |
+ __ Cvt_d_uw(f10, t0); |
+ __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, cvt_small_out))); |
+ |
+ __ Trunc_uw_d(f10, f10); |
+ __ swc1(f10, MemOperand(a0, OFFSET_OF(T, trunc_small_out))); |
+ |
+ __ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_big_in))); |
+ __ Cvt_d_uw(f8, t0); |
+ __ sdc1(f8, MemOperand(a0, OFFSET_OF(T, cvt_big_out))); |
+ |
+ __ Trunc_uw_d(f8, f8); |
+ __ swc1(f8, MemOperand(a0, OFFSET_OF(T, trunc_big_out))); |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ |
+ t.cvt_big_in = 0xFFFFFFFF; |
+ t.cvt_small_in = 333; |
+ |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+ CHECK_EQ(t.cvt_big_out, static_cast<double>(t.cvt_big_in)); |
+ CHECK_EQ(t.cvt_small_out, static_cast<double>(t.cvt_small_in)); |
+ |
+ CHECK_EQ(static_cast<int>(t.trunc_big_out), static_cast<int>(t.cvt_big_in)); |
+ CHECK_EQ(static_cast<int>(t.trunc_small_out), |
+ static_cast<int>(t.cvt_small_in)); |
+ } |
+} |
+ |
+ |
+TEST(MIPS14) { |
+ // Test round, floor, ceil, trunc, cvt. |
+ InitializeVM(); |
+ v8::HandleScope scope; |
+ |
+#define ROUND_STRUCT_ELEMENT(x) \ |
+ int32_t x##_up_out; \ |
+ int32_t x##_down_out; \ |
+ int32_t neg_##x##_up_out; \ |
+ int32_t neg_##x##_down_out; \ |
+ int32_t x##_err1_out; \ |
+ int32_t x##_err2_out; \ |
+ int32_t x##_err3_out; \ |
+ int32_t x##_err4_out; \ |
+ int32_t x##_invalid_result; |
+ |
+ typedef struct { |
+ double round_up_in; |
+ double round_down_in; |
+ double neg_round_up_in; |
+ double neg_round_down_in; |
+ double err1_in; |
+ double err2_in; |
+ double err3_in; |
+ double err4_in; |
+ |
+ ROUND_STRUCT_ELEMENT(round) |
+ ROUND_STRUCT_ELEMENT(floor) |
+ ROUND_STRUCT_ELEMENT(ceil) |
+ ROUND_STRUCT_ELEMENT(trunc) |
+ ROUND_STRUCT_ELEMENT(cvt) |
+ } T; |
+ T t; |
+ |
+#undef ROUND_STRUCT_ELEMENT |
+ |
+ MacroAssembler assm(NULL, 0); |
+ |
+ if (Isolate::Current()->cpu_features()->IsSupported(FPU)) { |
+ CpuFeatures::Scope scope(FPU); |
+ |
+ // Save FCSR. |
+ __ cfc1(a1, FCSR); |
+ // Disable FPU exceptions. |
+ __ ctc1(zero_reg, FCSR); |
+#define RUN_ROUND_TEST(x) \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_up_in))); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_up_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_down_in))); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_down_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_up_in))); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_up_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_down_in))); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_down_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err1_in))); \ |
+ __ ctc1(zero_reg, FCSR); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ cfc1(a2, FCSR); \ |
+ __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err1_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err2_in))); \ |
+ __ ctc1(zero_reg, FCSR); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ cfc1(a2, FCSR); \ |
+ __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err2_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err3_in))); \ |
+ __ ctc1(zero_reg, FCSR); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ cfc1(a2, FCSR); \ |
+ __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err3_out))); \ |
+ \ |
+ __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err4_in))); \ |
+ __ ctc1(zero_reg, FCSR); \ |
+ __ x##_w_d(f0, f0); \ |
+ __ cfc1(a2, FCSR); \ |
+ __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err4_out))); \ |
+ __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_invalid_result))); |
+ |
+ RUN_ROUND_TEST(round) |
+ RUN_ROUND_TEST(floor) |
+ RUN_ROUND_TEST(ceil) |
+ RUN_ROUND_TEST(trunc) |
+ RUN_ROUND_TEST(cvt) |
+ |
+ // Restore FCSR. |
+ __ ctc1(a1, FCSR); |
+ |
+#undef RUN_ROUND_TEST |
+ |
+ __ jr(ra); |
+ __ nop(); |
+ |
+ CodeDesc desc; |
+ assm.GetCode(&desc); |
+ Object* code = HEAP->CreateCode( |
+ desc, |
+ Code::ComputeFlags(Code::STUB), |
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
+ CHECK(code->IsCode()); |
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
+ |
+ t.round_up_in = 123.51; |
+ t.round_down_in = 123.49; |
+ t.neg_round_up_in = -123.5; |
+ t.neg_round_down_in = -123.49; |
+ t.err1_in = 123.51; |
+ t.err2_in = 1; |
+ t.err3_in = static_cast<double>(1) + 0xFFFFFFFF; |
+ t.err4_in = NAN; |
+ |
+ Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
+ USE(dummy); |
+ |
+#define GET_FPU_ERR(x) ((x >> 2) & (32 - 1)) |
+ |
+ CHECK_EQ(124, t.round_up_out); |
+ CHECK_EQ(123, t.round_down_out); |
+ CHECK_EQ(-124, t.neg_round_up_out); |
+ CHECK_EQ(-123, t.neg_round_down_out); |
+ |
+ // Inaccurate. |
+ CHECK_EQ(1, GET_FPU_ERR(t.round_err1_out)); |
+ // No error. |
+ CHECK_EQ(0, GET_FPU_ERR(t.round_err2_out)); |
+ // Invalid operation. |
+ CHECK_EQ(16, GET_FPU_ERR(t.round_err3_out)); |
+ CHECK_EQ(16, GET_FPU_ERR(t.round_err4_out)); |
+ CHECK_EQ(kFPUInvalidResult, t.round_invalid_result); |
+ |
+ CHECK_EQ(123, t.floor_up_out); |
+ CHECK_EQ(123, t.floor_down_out); |
+ CHECK_EQ(-124, t.neg_floor_up_out); |
+ CHECK_EQ(-124, t.neg_floor_down_out); |
+ |
+ // Inaccurate. |
+ CHECK_EQ(1, GET_FPU_ERR(t.floor_err1_out)); |
+ // No error. |
+ CHECK_EQ(0, GET_FPU_ERR(t.floor_err2_out)); |
+ // Invalid operation. |
+ CHECK_EQ(16, GET_FPU_ERR(t.floor_err3_out)); |
+ CHECK_EQ(16, GET_FPU_ERR(t.floor_err4_out)); |
+ CHECK_EQ(kFPUInvalidResult, t.floor_invalid_result); |
+ |
+ CHECK_EQ(124, t.ceil_up_out); |
+ CHECK_EQ(124, t.ceil_down_out); |
+ CHECK_EQ(-123, t.neg_ceil_up_out); |
+ CHECK_EQ(-123, t.neg_ceil_down_out); |
+ |
+ // Inaccurate. |
+ CHECK_EQ(1, GET_FPU_ERR(t.ceil_err1_out)); |
+ // No error. |
+ CHECK_EQ(0, GET_FPU_ERR(t.ceil_err2_out)); |
+ // Invalid operation. |
+ CHECK_EQ(16, GET_FPU_ERR(t.ceil_err3_out)); |
+ CHECK_EQ(16, GET_FPU_ERR(t.ceil_err4_out)); |
+ CHECK_EQ(kFPUInvalidResult, t.ceil_invalid_result); |
+ |
+ // In rounding mode 0 cvt should behave like round. |
+ CHECK_EQ(t.round_up_out, t.cvt_up_out); |
+ CHECK_EQ(t.round_down_out, t.cvt_down_out); |
+ CHECK_EQ(t.neg_round_up_out, t.neg_cvt_up_out); |
+ CHECK_EQ(t.neg_round_down_out, t.neg_cvt_down_out); |
+ |
+ // Inaccurate. |
+ CHECK_EQ(1, GET_FPU_ERR(t.cvt_err1_out)); |
+ // No error. |
+ CHECK_EQ(0, GET_FPU_ERR(t.cvt_err2_out)); |
+ // Invalid operation. |
+ CHECK_EQ(16, GET_FPU_ERR(t.cvt_err3_out)); |
+ CHECK_EQ(16, GET_FPU_ERR(t.cvt_err4_out)); |
+ CHECK_EQ(kFPUInvalidResult, t.cvt_invalid_result); |
+ } |
+} |
+ |
+ |
#undef __ |