| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "v8.h" |
| |
| #include "disassembler.h" |
| #include "factory.h" |
| #include "arm/simulator-arm.h" |
| #include "arm/assembler-arm-inl.h" |
| #include "cctest.h" |
| |
| using namespace v8::internal; |
| |
| |
| // Define these function prototypes to match JSEntryFunction in execution.cc. |
| typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4); |
| typedef Object* (*F2)(int x, int y, int p2, int p3, int p4); |
| typedef Object* (*F3)(void* p0, int p1, int p2, int p3, int p4); |
| typedef Object* (*F4)(void* p0, void* p1, int p2, int p3, int p4); |
| |
| |
| #define __ assm. |
| |
| TEST(0) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| |
| __ add(r0, r0, Operand(r1)); |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 3, 4, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(7, res); |
| } |
| |
| |
| TEST(1) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| Label L, C; |
| |
| __ mov(r1, Operand(r0)); |
| __ mov(r0, Operand::Zero()); |
| __ b(&C); |
| |
| __ bind(&L); |
| __ add(r0, r0, Operand(r1)); |
| __ sub(r1, r1, Operand(1)); |
| |
| __ bind(&C); |
| __ teq(r1, Operand::Zero()); |
| __ b(ne, &L); |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 100, 0, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(5050, res); |
| } |
| |
| |
| TEST(2) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| Label L, C; |
| |
| __ mov(r1, Operand(r0)); |
| __ mov(r0, Operand(1)); |
| __ b(&C); |
| |
| __ bind(&L); |
| __ mul(r0, r1, r0); |
| __ sub(r1, r1, Operand(1)); |
| |
| __ bind(&C); |
| __ teq(r1, Operand::Zero()); |
| __ b(ne, &L); |
| __ mov(pc, Operand(lr)); |
| |
| // some relocated stuff here, not executed |
| __ RecordComment("dead code, just testing relocations"); |
| __ mov(r0, Operand(FACTORY->true_value())); |
| __ RecordComment("dead code, just testing immediate operands"); |
| __ mov(r0, Operand(-1)); |
| __ mov(r0, Operand(0xFF000000)); |
| __ mov(r0, Operand(0xF0F0F0F0)); |
| __ mov(r0, Operand(0xFFF0FFFF)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 10, 0, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(3628800, res); |
| } |
| |
| |
| TEST(3) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| int i; |
| char c; |
| int16_t s; |
| } T; |
| T t; |
| |
| Assembler assm(isolate, NULL, 0); |
| Label L, C; |
| |
| __ mov(ip, Operand(sp)); |
| __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| __ sub(fp, ip, Operand(4)); |
| __ mov(r4, Operand(r0)); |
| __ ldr(r0, MemOperand(r4, OFFSET_OF(T, i))); |
| __ mov(r2, Operand(r0, ASR, 1)); |
| __ str(r2, MemOperand(r4, OFFSET_OF(T, i))); |
| __ ldrsb(r2, MemOperand(r4, OFFSET_OF(T, c))); |
| __ add(r0, r2, Operand(r0)); |
| __ mov(r2, Operand(r2, LSL, 2)); |
| __ strb(r2, MemOperand(r4, OFFSET_OF(T, c))); |
| __ ldrsh(r2, MemOperand(r4, OFFSET_OF(T, s))); |
| __ add(r0, r2, Operand(r0)); |
| __ mov(r2, Operand(r2, ASR, 3)); |
| __ strh(r2, MemOperand(r4, OFFSET_OF(T, s))); |
| __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| t.i = 100000; |
| t.c = 10; |
| t.s = 1000; |
| int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(101010, res); |
| CHECK_EQ(100000/2, t.i); |
| CHECK_EQ(10*4, t.c); |
| CHECK_EQ(1000/8, t.s); |
| } |
| |
| |
| TEST(4) { |
| // Test the VFP floating point instructions. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| double a; |
| double b; |
| double c; |
| double d; |
| double e; |
| double f; |
| double g; |
| double h; |
| int i; |
| double m; |
| double n; |
| float x; |
| float y; |
| } T; |
| T t; |
| |
| // Create a function that accepts &t, and loads, manipulates, and stores |
| // the doubles and floats. |
| Assembler assm(isolate, NULL, 0); |
| Label L, C; |
| |
| |
| if (CpuFeatures::IsSupported(VFP3)) { |
| CpuFeatureScope scope(&assm, VFP3); |
| |
| __ mov(ip, Operand(sp)); |
| __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| __ sub(fp, ip, Operand(4)); |
| |
| __ mov(r4, Operand(r0)); |
| __ vldr(d6, r4, OFFSET_OF(T, a)); |
| __ vldr(d7, r4, OFFSET_OF(T, b)); |
| __ vadd(d5, d6, d7); |
| __ vstr(d5, r4, OFFSET_OF(T, c)); |
| |
| __ vmla(d5, d6, d7); |
| __ vmls(d5, d5, d6); |
| |
| __ vmov(r2, r3, d5); |
| __ vmov(d4, r2, r3); |
| __ vstr(d4, r4, OFFSET_OF(T, b)); |
| |
| // Load t.x and t.y, switch values, and store back to the struct. |
| __ vldr(s0, r4, OFFSET_OF(T, x)); |
| __ vldr(s31, r4, OFFSET_OF(T, y)); |
| __ vmov(s16, s0); |
| __ vmov(s0, s31); |
| __ vmov(s31, s16); |
| __ vstr(s0, r4, OFFSET_OF(T, x)); |
| __ vstr(s31, r4, OFFSET_OF(T, y)); |
| |
| // Move a literal into a register that can be encoded in the instruction. |
| __ vmov(d4, 1.0); |
| __ vstr(d4, r4, OFFSET_OF(T, e)); |
| |
| // Move a literal into a register that requires 64 bits to encode. |
| // 0x3ff0000010000000 = 1.000000059604644775390625 |
| __ vmov(d4, 1.000000059604644775390625); |
| __ vstr(d4, r4, OFFSET_OF(T, d)); |
| |
| // Convert from floating point to integer. |
| __ vmov(d4, 2.0); |
| __ vcvt_s32_f64(s31, d4); |
| __ vstr(s31, r4, OFFSET_OF(T, i)); |
| |
| // Convert from integer to floating point. |
| __ mov(lr, Operand(42)); |
| __ vmov(s31, lr); |
| __ vcvt_f64_s32(d4, s31); |
| __ vstr(d4, r4, OFFSET_OF(T, f)); |
| |
| // Test vabs. |
| __ vldr(d1, r4, OFFSET_OF(T, g)); |
| __ vabs(d0, d1); |
| __ vstr(d0, r4, OFFSET_OF(T, g)); |
| __ vldr(d2, r4, OFFSET_OF(T, h)); |
| __ vabs(d0, d2); |
| __ vstr(d0, r4, OFFSET_OF(T, h)); |
| |
| // Test vneg. |
| __ vldr(d1, r4, OFFSET_OF(T, m)); |
| __ vneg(d0, d1); |
| __ vstr(d0, r4, OFFSET_OF(T, m)); |
| __ vldr(d1, r4, OFFSET_OF(T, n)); |
| __ vneg(d0, d1); |
| __ vstr(d0, r4, OFFSET_OF(T, n)); |
| |
| __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| t.a = 1.5; |
| t.b = 2.75; |
| t.c = 17.17; |
| t.d = 0.0; |
| t.e = 0.0; |
| t.f = 0.0; |
| t.g = -2718.2818; |
| t.h = 31415926.5; |
| t.i = 0; |
| t.m = -2718.2818; |
| t.n = 123.456; |
| t.x = 4.5; |
| t.y = 9.0; |
| Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| USE(dummy); |
| CHECK_EQ(4.5, t.y); |
| CHECK_EQ(9.0, t.x); |
| CHECK_EQ(-123.456, t.n); |
| CHECK_EQ(2718.2818, t.m); |
| CHECK_EQ(2, t.i); |
| CHECK_EQ(2718.2818, t.g); |
| CHECK_EQ(31415926.5, t.h); |
| CHECK_EQ(42.0, t.f); |
| CHECK_EQ(1.0, t.e); |
| CHECK_EQ(1.000000059604644775390625, t.d); |
| CHECK_EQ(4.25, t.c); |
| CHECK_EQ(-4.1875, t.b); |
| CHECK_EQ(1.5, t.a); |
| } |
| } |
| |
| |
| TEST(5) { |
| // Test the ARMv7 bitfield instructions. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| |
| if (CpuFeatures::IsSupported(ARMv7)) { |
| CpuFeatureScope scope(&assm, ARMv7); |
| // On entry, r0 = 0xAAAAAAAA = 0b10..10101010. |
| __ ubfx(r0, r0, 1, 12); // 0b00..010101010101 = 0x555 |
| __ sbfx(r0, r0, 0, 5); // 0b11..111111110101 = -11 |
| __ bfc(r0, 1, 3); // 0b11..111111110001 = -15 |
| __ mov(r1, Operand(7)); |
| __ bfi(r0, r1, 3, 3); // 0b11..111111111001 = -7 |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 0xAAAAAAAA, 0, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(-7, res); |
| } |
| } |
| |
| |
| TEST(6) { |
| // Test saturating instructions. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| |
| if (CpuFeatures::IsSupported(ARMv7)) { |
| CpuFeatureScope scope(&assm, ARMv7); |
| __ usat(r1, 8, Operand(r0)); // Sat 0xFFFF to 0-255 = 0xFF. |
| __ usat(r2, 12, Operand(r0, ASR, 9)); // Sat (0xFFFF>>9) to 0-4095 = 0x7F. |
| __ usat(r3, 1, Operand(r0, LSL, 16)); // Sat (0xFFFF<<16) to 0-1 = 0x0. |
| __ add(r0, r1, Operand(r2)); |
| __ add(r0, r0, Operand(r3)); |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 0xFFFF, 0, 0, 0, 0)); |
| ::printf("f() = %d\n", res); |
| CHECK_EQ(382, res); |
| } |
| } |
| |
| |
| enum VCVTTypes { |
| s32_f64, |
| u32_f64 |
| }; |
| |
| static void TestRoundingMode(VCVTTypes types, |
| VFPRoundingMode mode, |
| double value, |
| int expected, |
| bool expected_exception = false) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| |
| if (CpuFeatures::IsSupported(VFP3)) { |
| CpuFeatureScope scope(&assm, VFP3); |
| |
| Label wrong_exception; |
| |
| __ vmrs(r1); |
| // Set custom FPSCR. |
| __ bic(r2, r1, Operand(kVFPRoundingModeMask | kVFPExceptionMask)); |
| __ orr(r2, r2, Operand(mode)); |
| __ vmsr(r2); |
| |
| // Load value, convert, and move back result to r0 if everything went well. |
| __ vmov(d1, value); |
| switch (types) { |
| case s32_f64: |
| __ vcvt_s32_f64(s0, d1, kFPSCRRounding); |
| break; |
| |
| case u32_f64: |
| __ vcvt_u32_f64(s0, d1, kFPSCRRounding); |
| break; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| // Check for vfp exceptions |
| __ vmrs(r2); |
| __ tst(r2, Operand(kVFPExceptionMask)); |
| // Check that we behaved as expected. |
| __ b(&wrong_exception, |
| expected_exception ? eq : ne); |
| // There was no exception. Retrieve the result and return. |
| __ vmov(r0, s0); |
| __ mov(pc, Operand(lr)); |
| |
| // The exception behaviour is not what we expected. |
| // Load a special value and return. |
| __ bind(&wrong_exception); |
| __ mov(r0, Operand(11223344)); |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->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, 0, 0, 0, 0, 0)); |
| ::printf("res = %d\n", res); |
| CHECK_EQ(expected, res); |
| } |
| } |
| |
| |
| TEST(7) { |
| // Test vfp rounding modes. |
| |
| // s32_f64 (double to integer). |
| |
| TestRoundingMode(s32_f64, RN, 0, 0); |
| TestRoundingMode(s32_f64, RN, 0.5, 0); |
| TestRoundingMode(s32_f64, RN, -0.5, 0); |
| TestRoundingMode(s32_f64, RN, 1.5, 2); |
| TestRoundingMode(s32_f64, RN, -1.5, -2); |
| TestRoundingMode(s32_f64, RN, 123.7, 124); |
| TestRoundingMode(s32_f64, RN, -123.7, -124); |
| TestRoundingMode(s32_f64, RN, 123456.2, 123456); |
| TestRoundingMode(s32_f64, RN, -123456.2, -123456); |
| TestRoundingMode(s32_f64, RN, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(s32_f64, RN, (kMaxInt + 0.49), kMaxInt); |
| TestRoundingMode(s32_f64, RN, (kMaxInt + 1.0), kMaxInt, true); |
| TestRoundingMode(s32_f64, RN, (kMaxInt + 0.5), kMaxInt, true); |
| TestRoundingMode(s32_f64, RN, static_cast<double>(kMinInt), kMinInt); |
| TestRoundingMode(s32_f64, RN, (kMinInt - 0.5), kMinInt); |
| TestRoundingMode(s32_f64, RN, (kMinInt - 1.0), kMinInt, true); |
| TestRoundingMode(s32_f64, RN, (kMinInt - 0.51), kMinInt, true); |
| |
| TestRoundingMode(s32_f64, RM, 0, 0); |
| TestRoundingMode(s32_f64, RM, 0.5, 0); |
| TestRoundingMode(s32_f64, RM, -0.5, -1); |
| TestRoundingMode(s32_f64, RM, 123.7, 123); |
| TestRoundingMode(s32_f64, RM, -123.7, -124); |
| TestRoundingMode(s32_f64, RM, 123456.2, 123456); |
| TestRoundingMode(s32_f64, RM, -123456.2, -123457); |
| TestRoundingMode(s32_f64, RM, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(s32_f64, RM, (kMaxInt + 0.5), kMaxInt); |
| TestRoundingMode(s32_f64, RM, (kMaxInt + 1.0), kMaxInt, true); |
| TestRoundingMode(s32_f64, RM, static_cast<double>(kMinInt), kMinInt); |
| TestRoundingMode(s32_f64, RM, (kMinInt - 0.5), kMinInt, true); |
| TestRoundingMode(s32_f64, RM, (kMinInt + 0.5), kMinInt); |
| |
| TestRoundingMode(s32_f64, RZ, 0, 0); |
| TestRoundingMode(s32_f64, RZ, 0.5, 0); |
| TestRoundingMode(s32_f64, RZ, -0.5, 0); |
| TestRoundingMode(s32_f64, RZ, 123.7, 123); |
| TestRoundingMode(s32_f64, RZ, -123.7, -123); |
| TestRoundingMode(s32_f64, RZ, 123456.2, 123456); |
| TestRoundingMode(s32_f64, RZ, -123456.2, -123456); |
| TestRoundingMode(s32_f64, RZ, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(s32_f64, RZ, (kMaxInt + 0.5), kMaxInt); |
| TestRoundingMode(s32_f64, RZ, (kMaxInt + 1.0), kMaxInt, true); |
| TestRoundingMode(s32_f64, RZ, static_cast<double>(kMinInt), kMinInt); |
| TestRoundingMode(s32_f64, RZ, (kMinInt - 0.5), kMinInt); |
| TestRoundingMode(s32_f64, RZ, (kMinInt - 1.0), kMinInt, true); |
| |
| |
| // u32_f64 (double to integer). |
| |
| // Negative values. |
| TestRoundingMode(u32_f64, RN, -0.5, 0); |
| TestRoundingMode(u32_f64, RN, -123456.7, 0, true); |
| TestRoundingMode(u32_f64, RN, static_cast<double>(kMinInt), 0, true); |
| TestRoundingMode(u32_f64, RN, kMinInt - 1.0, 0, true); |
| |
| TestRoundingMode(u32_f64, RM, -0.5, 0, true); |
| TestRoundingMode(u32_f64, RM, -123456.7, 0, true); |
| TestRoundingMode(u32_f64, RM, static_cast<double>(kMinInt), 0, true); |
| TestRoundingMode(u32_f64, RM, kMinInt - 1.0, 0, true); |
| |
| TestRoundingMode(u32_f64, RZ, -0.5, 0); |
| TestRoundingMode(u32_f64, RZ, -123456.7, 0, true); |
| TestRoundingMode(u32_f64, RZ, static_cast<double>(kMinInt), 0, true); |
| TestRoundingMode(u32_f64, RZ, kMinInt - 1.0, 0, true); |
| |
| // Positive values. |
| // kMaxInt is the maximum *signed* integer: 0x7fffffff. |
| static const uint32_t kMaxUInt = 0xffffffffu; |
| TestRoundingMode(u32_f64, RZ, 0, 0); |
| TestRoundingMode(u32_f64, RZ, 0.5, 0); |
| TestRoundingMode(u32_f64, RZ, 123.7, 123); |
| TestRoundingMode(u32_f64, RZ, 123456.2, 123456); |
| TestRoundingMode(u32_f64, RZ, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(u32_f64, RZ, (kMaxInt + 0.5), kMaxInt); |
| TestRoundingMode(u32_f64, RZ, (kMaxInt + 1.0), |
| static_cast<uint32_t>(kMaxInt) + 1); |
| TestRoundingMode(u32_f64, RZ, (kMaxUInt + 0.5), kMaxUInt); |
| TestRoundingMode(u32_f64, RZ, (kMaxUInt + 1.0), kMaxUInt, true); |
| |
| TestRoundingMode(u32_f64, RM, 0, 0); |
| TestRoundingMode(u32_f64, RM, 0.5, 0); |
| TestRoundingMode(u32_f64, RM, 123.7, 123); |
| TestRoundingMode(u32_f64, RM, 123456.2, 123456); |
| TestRoundingMode(u32_f64, RM, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(u32_f64, RM, (kMaxInt + 0.5), kMaxInt); |
| TestRoundingMode(u32_f64, RM, (kMaxInt + 1.0), |
| static_cast<uint32_t>(kMaxInt) + 1); |
| TestRoundingMode(u32_f64, RM, (kMaxUInt + 0.5), kMaxUInt); |
| TestRoundingMode(u32_f64, RM, (kMaxUInt + 1.0), kMaxUInt, true); |
| |
| TestRoundingMode(u32_f64, RN, 0, 0); |
| TestRoundingMode(u32_f64, RN, 0.5, 0); |
| TestRoundingMode(u32_f64, RN, 1.5, 2); |
| TestRoundingMode(u32_f64, RN, 123.7, 124); |
| TestRoundingMode(u32_f64, RN, 123456.2, 123456); |
| TestRoundingMode(u32_f64, RN, static_cast<double>(kMaxInt), kMaxInt); |
| TestRoundingMode(u32_f64, RN, (kMaxInt + 0.49), kMaxInt); |
| TestRoundingMode(u32_f64, RN, (kMaxInt + 0.5), |
| static_cast<uint32_t>(kMaxInt) + 1); |
| TestRoundingMode(u32_f64, RN, (kMaxUInt + 0.49), kMaxUInt); |
| TestRoundingMode(u32_f64, RN, (kMaxUInt + 0.5), kMaxUInt, true); |
| TestRoundingMode(u32_f64, RN, (kMaxUInt + 1.0), kMaxUInt, true); |
| } |
| |
| TEST(8) { |
| // Test VFP multi load/store with ia_w. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| double a; |
| double b; |
| double c; |
| double d; |
| double e; |
| double f; |
| double g; |
| double h; |
| } D; |
| D d; |
| |
| typedef struct { |
| float a; |
| float b; |
| float c; |
| float d; |
| float e; |
| float f; |
| float g; |
| float h; |
| } F; |
| F f; |
| |
| // Create a function that uses vldm/vstm to move some double and |
| // single precision values around in memory. |
| Assembler assm(isolate, NULL, 0); |
| |
| __ mov(ip, Operand(sp)); |
| __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| __ sub(fp, ip, Operand(4)); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, a))); |
| __ vldm(ia_w, r4, d0, d3); |
| __ vldm(ia_w, r4, d4, d7); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, a))); |
| __ vstm(ia_w, r4, d6, d7); |
| __ vstm(ia_w, r4, d0, d5); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, a))); |
| __ vldm(ia_w, r4, s0, s3); |
| __ vldm(ia_w, r4, s4, s7); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, a))); |
| __ vstm(ia_w, r4, s6, s7); |
| __ vstm(ia_w, r4, s0, s5); |
| |
| __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| d.a = 1.1; |
| d.b = 2.2; |
| d.c = 3.3; |
| d.d = 4.4; |
| d.e = 5.5; |
| d.f = 6.6; |
| d.g = 7.7; |
| d.h = 8.8; |
| |
| f.a = 1.0; |
| f.b = 2.0; |
| f.c = 3.0; |
| f.d = 4.0; |
| f.e = 5.0; |
| f.f = 6.0; |
| f.g = 7.0; |
| f.h = 8.0; |
| |
| Object* dummy = CALL_GENERATED_CODE(fn, &d, &f, 0, 0, 0); |
| USE(dummy); |
| |
| CHECK_EQ(7.7, d.a); |
| CHECK_EQ(8.8, d.b); |
| CHECK_EQ(1.1, d.c); |
| CHECK_EQ(2.2, d.d); |
| CHECK_EQ(3.3, d.e); |
| CHECK_EQ(4.4, d.f); |
| CHECK_EQ(5.5, d.g); |
| CHECK_EQ(6.6, d.h); |
| |
| CHECK_EQ(7.0, f.a); |
| CHECK_EQ(8.0, f.b); |
| CHECK_EQ(1.0, f.c); |
| CHECK_EQ(2.0, f.d); |
| CHECK_EQ(3.0, f.e); |
| CHECK_EQ(4.0, f.f); |
| CHECK_EQ(5.0, f.g); |
| CHECK_EQ(6.0, f.h); |
| } |
| |
| |
| TEST(9) { |
| // Test VFP multi load/store with ia. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| double a; |
| double b; |
| double c; |
| double d; |
| double e; |
| double f; |
| double g; |
| double h; |
| } D; |
| D d; |
| |
| typedef struct { |
| float a; |
| float b; |
| float c; |
| float d; |
| float e; |
| float f; |
| float g; |
| float h; |
| } F; |
| F f; |
| |
| // Create a function that uses vldm/vstm to move some double and |
| // single precision values around in memory. |
| Assembler assm(isolate, NULL, 0); |
| |
| __ mov(ip, Operand(sp)); |
| __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| __ sub(fp, ip, Operand(4)); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, a))); |
| __ vldm(ia, r4, d0, d3); |
| __ add(r4, r4, Operand(4 * 8)); |
| __ vldm(ia, r4, d4, d7); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, a))); |
| __ vstm(ia, r4, d6, d7); |
| __ add(r4, r4, Operand(2 * 8)); |
| __ vstm(ia, r4, d0, d5); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, a))); |
| __ vldm(ia, r4, s0, s3); |
| __ add(r4, r4, Operand(4 * 4)); |
| __ vldm(ia, r4, s4, s7); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, a))); |
| __ vstm(ia, r4, s6, s7); |
| __ add(r4, r4, Operand(2 * 4)); |
| __ vstm(ia, r4, s0, s5); |
| |
| __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| d.a = 1.1; |
| d.b = 2.2; |
| d.c = 3.3; |
| d.d = 4.4; |
| d.e = 5.5; |
| d.f = 6.6; |
| d.g = 7.7; |
| d.h = 8.8; |
| |
| f.a = 1.0; |
| f.b = 2.0; |
| f.c = 3.0; |
| f.d = 4.0; |
| f.e = 5.0; |
| f.f = 6.0; |
| f.g = 7.0; |
| f.h = 8.0; |
| |
| Object* dummy = CALL_GENERATED_CODE(fn, &d, &f, 0, 0, 0); |
| USE(dummy); |
| |
| CHECK_EQ(7.7, d.a); |
| CHECK_EQ(8.8, d.b); |
| CHECK_EQ(1.1, d.c); |
| CHECK_EQ(2.2, d.d); |
| CHECK_EQ(3.3, d.e); |
| CHECK_EQ(4.4, d.f); |
| CHECK_EQ(5.5, d.g); |
| CHECK_EQ(6.6, d.h); |
| |
| CHECK_EQ(7.0, f.a); |
| CHECK_EQ(8.0, f.b); |
| CHECK_EQ(1.0, f.c); |
| CHECK_EQ(2.0, f.d); |
| CHECK_EQ(3.0, f.e); |
| CHECK_EQ(4.0, f.f); |
| CHECK_EQ(5.0, f.g); |
| CHECK_EQ(6.0, f.h); |
| } |
| |
| |
| TEST(10) { |
| // Test VFP multi load/store with db_w. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| double a; |
| double b; |
| double c; |
| double d; |
| double e; |
| double f; |
| double g; |
| double h; |
| } D; |
| D d; |
| |
| typedef struct { |
| float a; |
| float b; |
| float c; |
| float d; |
| float e; |
| float f; |
| float g; |
| float h; |
| } F; |
| F f; |
| |
| // Create a function that uses vldm/vstm to move some double and |
| // single precision values around in memory. |
| Assembler assm(isolate, NULL, 0); |
| |
| __ mov(ip, Operand(sp)); |
| __ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit()); |
| __ sub(fp, ip, Operand(4)); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, h) + 8)); |
| __ vldm(db_w, r4, d4, d7); |
| __ vldm(db_w, r4, d0, d3); |
| |
| __ add(r4, r0, Operand(OFFSET_OF(D, h) + 8)); |
| __ vstm(db_w, r4, d0, d5); |
| __ vstm(db_w, r4, d6, d7); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, h) + 4)); |
| __ vldm(db_w, r4, s4, s7); |
| __ vldm(db_w, r4, s0, s3); |
| |
| __ add(r4, r1, Operand(OFFSET_OF(F, h) + 4)); |
| __ vstm(db_w, r4, s0, s5); |
| __ vstm(db_w, r4, s6, s7); |
| |
| __ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F4 fn = FUNCTION_CAST<F4>(Code::cast(code)->entry()); |
| d.a = 1.1; |
| d.b = 2.2; |
| d.c = 3.3; |
| d.d = 4.4; |
| d.e = 5.5; |
| d.f = 6.6; |
| d.g = 7.7; |
| d.h = 8.8; |
| |
| f.a = 1.0; |
| f.b = 2.0; |
| f.c = 3.0; |
| f.d = 4.0; |
| f.e = 5.0; |
| f.f = 6.0; |
| f.g = 7.0; |
| f.h = 8.0; |
| |
| Object* dummy = CALL_GENERATED_CODE(fn, &d, &f, 0, 0, 0); |
| USE(dummy); |
| |
| CHECK_EQ(7.7, d.a); |
| CHECK_EQ(8.8, d.b); |
| CHECK_EQ(1.1, d.c); |
| CHECK_EQ(2.2, d.d); |
| CHECK_EQ(3.3, d.e); |
| CHECK_EQ(4.4, d.f); |
| CHECK_EQ(5.5, d.g); |
| CHECK_EQ(6.6, d.h); |
| |
| CHECK_EQ(7.0, f.a); |
| CHECK_EQ(8.0, f.b); |
| CHECK_EQ(1.0, f.c); |
| CHECK_EQ(2.0, f.d); |
| CHECK_EQ(3.0, f.e); |
| CHECK_EQ(4.0, f.f); |
| CHECK_EQ(5.0, f.g); |
| CHECK_EQ(6.0, f.h); |
| } |
| |
| |
| TEST(11) { |
| // Test instructions using the carry flag. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| int32_t a; |
| int32_t b; |
| int32_t c; |
| int32_t d; |
| } I; |
| I i; |
| |
| i.a = 0xabcd0001; |
| i.b = 0xabcd0000; |
| |
| Assembler assm(isolate, NULL, 0); |
| |
| // Test HeapObject untagging. |
| __ ldr(r1, MemOperand(r0, OFFSET_OF(I, a))); |
| __ mov(r1, Operand(r1, ASR, 1), SetCC); |
| __ adc(r1, r1, Operand(r1), LeaveCC, cs); |
| __ str(r1, MemOperand(r0, OFFSET_OF(I, a))); |
| |
| __ ldr(r2, MemOperand(r0, OFFSET_OF(I, b))); |
| __ mov(r2, Operand(r2, ASR, 1), SetCC); |
| __ adc(r2, r2, Operand(r2), LeaveCC, cs); |
| __ str(r2, MemOperand(r0, OFFSET_OF(I, b))); |
| |
| // Test corner cases. |
| __ mov(r1, Operand(0xffffffff)); |
| __ mov(r2, Operand::Zero()); |
| __ mov(r3, Operand(r1, ASR, 1), SetCC); // Set the carry. |
| __ adc(r3, r1, Operand(r2)); |
| __ str(r3, MemOperand(r0, OFFSET_OF(I, c))); |
| |
| __ mov(r1, Operand(0xffffffff)); |
| __ mov(r2, Operand::Zero()); |
| __ mov(r3, Operand(r2, ASR, 1), SetCC); // Unset the carry. |
| __ adc(r3, r1, Operand(r2)); |
| __ str(r3, MemOperand(r0, OFFSET_OF(I, d))); |
| |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| Object* dummy = CALL_GENERATED_CODE(f, &i, 0, 0, 0, 0); |
| USE(dummy); |
| |
| CHECK_EQ(0xabcd0001, i.a); |
| CHECK_EQ(static_cast<int32_t>(0xabcd0000) >> 1, i.b); |
| CHECK_EQ(0x00000000, i.c); |
| CHECK_EQ(0xffffffff, i.d); |
| } |
| |
| |
| TEST(12) { |
| // Test chaining of label usages within instructions (issue 1644). |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| Assembler assm(isolate, NULL, 0); |
| Label target; |
| __ b(eq, &target); |
| __ b(ne, &target); |
| __ bind(&target); |
| __ nop(); |
| } |
| |
| |
| TEST(13) { |
| // Test VFP instructions using registers d16-d31. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| if (!CpuFeatures::IsSupported(VFP32DREGS)) { |
| return; |
| } |
| |
| typedef struct { |
| double a; |
| double b; |
| double c; |
| double x; |
| double y; |
| double z; |
| double i; |
| double j; |
| double k; |
| } T; |
| T t; |
| |
| // Create a function that accepts &t, and loads, manipulates, and stores |
| // the doubles and floats. |
| Assembler assm(isolate, NULL, 0); |
| Label L, C; |
| |
| |
| if (CpuFeatures::IsSupported(VFP3)) { |
| CpuFeatureScope scope(&assm, VFP3); |
| |
| __ stm(db_w, sp, r4.bit() | lr.bit()); |
| |
| // Load a, b, c into d16, d17, d18. |
| __ mov(r4, Operand(r0)); |
| __ vldr(d16, r4, OFFSET_OF(T, a)); |
| __ vldr(d17, r4, OFFSET_OF(T, b)); |
| __ vldr(d18, r4, OFFSET_OF(T, c)); |
| |
| __ vneg(d25, d16); |
| __ vadd(d25, d25, d17); |
| __ vsub(d25, d25, d18); |
| __ vmul(d25, d25, d25); |
| __ vdiv(d25, d25, d18); |
| |
| __ vmov(d16, d25); |
| __ vsqrt(d17, d25); |
| __ vneg(d17, d17); |
| __ vabs(d17, d17); |
| __ vmla(d18, d16, d17); |
| |
| // Store d16, d17, d18 into a, b, c. |
| __ mov(r4, Operand(r0)); |
| __ vstr(d16, r4, OFFSET_OF(T, a)); |
| __ vstr(d17, r4, OFFSET_OF(T, b)); |
| __ vstr(d18, r4, OFFSET_OF(T, c)); |
| |
| // Load x, y, z into d29-d31. |
| __ add(r4, r0, Operand(OFFSET_OF(T, x))); |
| __ vldm(ia_w, r4, d29, d31); |
| |
| // Swap d29 and d30 via r registers. |
| __ vmov(r1, r2, d29); |
| __ vmov(d29, d30); |
| __ vmov(d30, r1, r2); |
| |
| // Convert to and from integer. |
| __ vcvt_s32_f64(s1, d31); |
| __ vcvt_f64_u32(d31, s1); |
| |
| // Store d29-d31 into x, y, z. |
| __ add(r4, r0, Operand(OFFSET_OF(T, x))); |
| __ vstm(ia_w, r4, d29, d31); |
| |
| // Move constants into d20, d21, d22 and store into i, j, k. |
| __ vmov(d20, 14.7610017472335499); |
| __ vmov(d21, 16.0); |
| __ mov(r1, Operand(372106121)); |
| __ mov(r2, Operand(1079146608)); |
| __ vmov(d22, VmovIndexLo, r1); |
| __ vmov(d22, VmovIndexHi, r2); |
| __ add(r4, r0, Operand(OFFSET_OF(T, i))); |
| __ vstm(ia_w, r4, d20, d22); |
| |
| __ ldm(ia_w, sp, r4.bit() | pc.bit()); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| t.a = 1.5; |
| t.b = 2.75; |
| t.c = 17.17; |
| t.x = 1.5; |
| t.y = 2.75; |
| t.z = 17.17; |
| Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| USE(dummy); |
| CHECK_EQ(14.7610017472335499, t.a); |
| CHECK_EQ(3.84200491244266251, t.b); |
| CHECK_EQ(73.8818412254460241, t.c); |
| CHECK_EQ(2.75, t.x); |
| CHECK_EQ(1.5, t.y); |
| CHECK_EQ(17.0, t.z); |
| CHECK_EQ(14.7610017472335499, t.i); |
| CHECK_EQ(16.0, t.j); |
| CHECK_EQ(73.8818412254460241, t.k); |
| } |
| } |
| |
| |
| TEST(14) { |
| // Test the VFP Canonicalized Nan mode. |
| CcTest::InitializeVM(); |
| Isolate* isolate = Isolate::Current(); |
| HandleScope scope(isolate); |
| |
| typedef struct { |
| double left; |
| double right; |
| double add_result; |
| double sub_result; |
| double mul_result; |
| double div_result; |
| } T; |
| T t; |
| |
| // Create a function that makes the four basic operations. |
| Assembler assm(isolate, NULL, 0); |
| |
| // Ensure FPSCR state (as JSEntryStub does). |
| Label fpscr_done; |
| __ vmrs(r1); |
| __ tst(r1, Operand(kVFPDefaultNaNModeControlBit)); |
| __ b(ne, &fpscr_done); |
| __ orr(r1, r1, Operand(kVFPDefaultNaNModeControlBit)); |
| __ vmsr(r1); |
| __ bind(&fpscr_done); |
| |
| __ vldr(d0, r0, OFFSET_OF(T, left)); |
| __ vldr(d1, r0, OFFSET_OF(T, right)); |
| __ vadd(d2, d0, d1); |
| __ vstr(d2, r0, OFFSET_OF(T, add_result)); |
| __ vsub(d2, d0, d1); |
| __ vstr(d2, r0, OFFSET_OF(T, sub_result)); |
| __ vmul(d2, d0, d1); |
| __ vstr(d2, r0, OFFSET_OF(T, mul_result)); |
| __ vdiv(d2, d0, d1); |
| __ vstr(d2, r0, OFFSET_OF(T, div_result)); |
| |
| __ mov(pc, Operand(lr)); |
| |
| CodeDesc desc; |
| assm.GetCode(&desc); |
| Object* code = isolate->heap()->CreateCode( |
| desc, |
| Code::ComputeFlags(Code::STUB), |
| Handle<Code>())->ToObjectChecked(); |
| CHECK(code->IsCode()); |
| #ifdef DEBUG |
| Code::cast(code)->Print(); |
| #endif |
| F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| t.left = BitCast<double>(kHoleNanInt64); |
| t.right = 1; |
| t.add_result = 0; |
| t.sub_result = 0; |
| t.mul_result = 0; |
| t.div_result = 0; |
| Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| USE(dummy); |
| const uint32_t kArmNanUpper32 = 0x7ff80000; |
| const uint32_t kArmNanLower32 = 0x00000000; |
| #ifdef DEBUG |
| const uint64_t kArmNanInt64 = |
| (static_cast<uint64_t>(kArmNanUpper32) << 32) | kArmNanLower32; |
| ASSERT(kArmNanInt64 != kHoleNanInt64); |
| #endif |
| // With VFP2 the sign of the canonicalized Nan is undefined. So |
| // we remove the sign bit for the upper tests. |
| CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.add_result) >> 32) & 0x7fffffff); |
| CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.add_result) & 0xffffffffu); |
| CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.sub_result) >> 32) & 0x7fffffff); |
| CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.sub_result) & 0xffffffffu); |
| CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.mul_result) >> 32) & 0x7fffffff); |
| CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.mul_result) & 0xffffffffu); |
| CHECK_EQ(kArmNanUpper32, (BitCast<int64_t>(t.div_result) >> 32) & 0x7fffffff); |
| CHECK_EQ(kArmNanLower32, BitCast<int64_t>(t.div_result) & 0xffffffffu); |
| } |
| |
| #undef __ |