Alexandre Rames | 9dd6fa3 | 2016-10-12 13:26:54 +0100 | [diff] [blame] | 1 | // Copyright 2016, VIXL authors |
| 2 | // All rights reserved. |
| 3 | // |
| 4 | // Redistribution and use in source and binary forms, with or without |
| 5 | // modification, are permitted provided that the following conditions are met: |
| 6 | // |
| 7 | // * Redistributions of source code must retain the above copyright notice, |
| 8 | // this list of conditions and the following disclaimer. |
| 9 | // * Redistributions in binary form must reproduce the above copyright notice, |
| 10 | // this list of conditions and the following disclaimer in the documentation |
| 11 | // and/or other materials provided with the distribution. |
| 12 | // * Neither the name of ARM Limited nor the names of its contributors may be |
| 13 | // used to endorse or promote products derived from this software without |
| 14 | // specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND |
| 17 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 18 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 19 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| 20 | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 22 | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 23 | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | |
| 27 | #include "test-runner.h" |
| 28 | |
Alexandre Rames | 586c6b9 | 2016-10-24 11:59:33 +0100 | [diff] [blame] | 29 | #ifdef VIXL_INCLUDE_TARGET_AARCH64 |
Alexandre Rames | 9dd6fa3 | 2016-10-12 13:26:54 +0100 | [diff] [blame] | 30 | #include "aarch64/macro-assembler-aarch64.h" |
Alexandre Rames | 586c6b9 | 2016-10-24 11:59:33 +0100 | [diff] [blame] | 31 | #endif |
Alexandre Rames | 9dd6fa3 | 2016-10-12 13:26:54 +0100 | [diff] [blame] | 32 | |
| 33 | #define TEST(name) TEST_(SCOPES_##name) |
| 34 | #define __ masm. |
| 35 | |
| 36 | namespace vixl { |
| 37 | |
| 38 | // This file contains tests for code generation scopes. |
| 39 | |
Alexandre Rames | 586c6b9 | 2016-10-24 11:59:33 +0100 | [diff] [blame] | 40 | #ifdef VIXL_INCLUDE_TARGET_AARCH64 |
Alexandre Rames | 9dd6fa3 | 2016-10-12 13:26:54 +0100 | [diff] [blame] | 41 | TEST(CodeBufferCheckScope_basic) { |
| 42 | aarch64::MacroAssembler masm; |
| 43 | |
| 44 | { |
| 45 | CodeBufferCheckScope scope(&masm, aarch64::kInstructionSize); |
| 46 | __ Mov(aarch64::x0, 0); |
| 47 | } |
| 48 | |
| 49 | masm.FinalizeCode(); |
| 50 | } |
| 51 | |
| 52 | |
| 53 | TEST(CodeBufferCheckScope_Open) { |
| 54 | aarch64::MacroAssembler masm; |
| 55 | |
| 56 | { |
| 57 | CodeBufferCheckScope scope; |
| 58 | __ Mov(aarch64::x0, 0); |
| 59 | scope.Open(&masm, aarch64::kInstructionSize); |
| 60 | __ Mov(aarch64::x1, 1); |
| 61 | } |
| 62 | |
| 63 | masm.FinalizeCode(); |
| 64 | } |
| 65 | |
| 66 | |
| 67 | TEST(CodeBufferCheckScope_Close) { |
| 68 | aarch64::MacroAssembler masm; |
| 69 | |
| 70 | { |
| 71 | CodeBufferCheckScope scope(&masm, aarch64::kInstructionSize); |
| 72 | __ Mov(aarch64::x0, 0); |
| 73 | scope.Close(); |
| 74 | __ Mov(aarch64::x1, 1); |
| 75 | } |
| 76 | |
| 77 | masm.FinalizeCode(); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | TEST(CodeBufferCheckScope_Open_Close) { |
| 82 | aarch64::MacroAssembler masm; |
| 83 | |
| 84 | { |
| 85 | CodeBufferCheckScope scope; |
| 86 | __ Mov(aarch64::x0, 0); |
| 87 | scope.Open(&masm, aarch64::kInstructionSize); |
| 88 | __ Mov(aarch64::x1, 1); |
| 89 | scope.Close(); |
| 90 | __ Mov(aarch64::x2, 2); |
| 91 | } |
| 92 | |
| 93 | masm.FinalizeCode(); |
| 94 | } |
| 95 | |
| 96 | |
Alexandre Rames | c0b25f2 | 2016-10-19 13:53:55 +0100 | [diff] [blame] | 97 | TEST(EmissionCheckScope_basic) { |
| 98 | aarch64::MacroAssembler masm; |
| 99 | |
| 100 | { |
| 101 | EmissionCheckScope scope(&masm, aarch64::kInstructionSize); |
| 102 | __ Mov(aarch64::x0, 0); |
| 103 | } |
| 104 | |
| 105 | masm.FinalizeCode(); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | TEST(EmissionCheckScope_Open) { |
| 110 | aarch64::MacroAssembler masm; |
| 111 | |
| 112 | { |
| 113 | EmissionCheckScope scope; |
| 114 | __ Mov(aarch64::x0, 0); |
| 115 | scope.Open(&masm, aarch64::kInstructionSize); |
| 116 | __ Mov(aarch64::x1, 1); |
| 117 | } |
| 118 | |
| 119 | masm.FinalizeCode(); |
| 120 | } |
| 121 | |
| 122 | |
| 123 | TEST(EmissionCheckScope_Close) { |
| 124 | aarch64::MacroAssembler masm; |
| 125 | |
| 126 | { |
| 127 | EmissionCheckScope scope(&masm, aarch64::kInstructionSize); |
| 128 | __ Mov(aarch64::x0, 0); |
| 129 | scope.Close(); |
| 130 | __ Mov(aarch64::x1, 1); |
| 131 | } |
| 132 | |
| 133 | masm.FinalizeCode(); |
| 134 | } |
| 135 | |
| 136 | |
| 137 | TEST(EmissionCheckScope_Open_Close) { |
| 138 | aarch64::MacroAssembler masm; |
| 139 | |
| 140 | { |
| 141 | EmissionCheckScope scope; |
| 142 | __ Mov(aarch64::x0, 0); |
| 143 | scope.Open(&masm, aarch64::kInstructionSize); |
| 144 | __ Mov(aarch64::x1, 1); |
| 145 | scope.Close(); |
| 146 | __ Mov(aarch64::x2, 2); |
| 147 | } |
| 148 | |
| 149 | masm.FinalizeCode(); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | #define ASSERT_LITERAL_POOL_SIZE(expected) \ |
| 154 | VIXL_CHECK( \ |
| 155 | (expected + aarch64::kInstructionSize) == (masm.GetLiteralPoolSize())) |
| 156 | |
| 157 | TEST(EmissionCheckScope_emit_pool) { |
| 158 | aarch64::MacroAssembler masm; |
| 159 | |
| 160 | // Make sure the pool is empty; |
| 161 | masm.EmitLiteralPool(aarch64::LiteralPool::kBranchRequired); |
| 162 | ASSERT_LITERAL_POOL_SIZE(0); |
| 163 | |
| 164 | __ Ldr(aarch64::x0, 0x1234567890abcdef); |
| 165 | ASSERT_LITERAL_POOL_SIZE(8); |
| 166 | |
| 167 | { |
| 168 | // Check that opening the scope with a reserved space well below the limit |
| 169 | // at which can generate the literal pool does not force the emission of |
| 170 | // the pool. |
| 171 | EmissionCheckScope scope(&masm, |
| 172 | 10 * aarch64::kInstructionSize, |
| 173 | EmissionCheckScope::kMaximumSize); |
| 174 | ASSERT_LITERAL_POOL_SIZE(8); |
| 175 | } |
| 176 | |
| 177 | { |
| 178 | // Check that the scope forces emission of the pool if necessary. |
| 179 | EmissionCheckScope scope(&masm, |
| 180 | aarch64::kMaxLoadLiteralRange + 1, |
| 181 | EmissionCheckScope::kMaximumSize); |
| 182 | ASSERT_LITERAL_POOL_SIZE(0); |
| 183 | } |
| 184 | |
| 185 | masm.FinalizeCode(); |
| 186 | } |
| 187 | |
| 188 | |
| 189 | TEST(EmissionCheckScope_emit_pool_on_Open) { |
| 190 | aarch64::MacroAssembler masm; |
| 191 | |
| 192 | // Make sure the pool is empty; |
| 193 | masm.EmitLiteralPool(aarch64::LiteralPool::kBranchRequired); |
| 194 | ASSERT_LITERAL_POOL_SIZE(0); |
| 195 | |
| 196 | __ Ldr(aarch64::x0, 0x1234567890abcdef); |
| 197 | ASSERT_LITERAL_POOL_SIZE(8); |
| 198 | |
| 199 | { |
| 200 | // Check that opening the scope with a reserved space well below the limit |
| 201 | // at which can generate the literal pool does not force the emission of |
| 202 | // the pool. |
| 203 | EmissionCheckScope scope; |
| 204 | scope.Open(&masm, |
| 205 | 10 * aarch64::kInstructionSize, |
| 206 | EmissionCheckScope::kMaximumSize); |
| 207 | ASSERT_LITERAL_POOL_SIZE(8); |
| 208 | } |
| 209 | |
| 210 | { |
| 211 | // Check that the scope forces emission of the pool if necessary. |
| 212 | EmissionCheckScope scope; |
| 213 | scope.Open(&masm, |
| 214 | aarch64::kMaxLoadLiteralRange + 1, |
| 215 | EmissionCheckScope::kMaximumSize); |
| 216 | ASSERT_LITERAL_POOL_SIZE(0); |
| 217 | } |
| 218 | |
| 219 | masm.FinalizeCode(); |
| 220 | } |
Alexandre Rames | 07d1aa5 | 2016-10-25 17:20:51 +0100 | [diff] [blame] | 221 | |
| 222 | |
| 223 | TEST(ExactAssemblyScope_basic) { |
| 224 | aarch64::MacroAssembler masm; |
| 225 | |
| 226 | { |
| 227 | ExactAssemblyScope scope(&masm, aarch64::kInstructionSize); |
| 228 | __ nop(); |
| 229 | } |
| 230 | |
| 231 | masm.FinalizeCode(); |
| 232 | } |
| 233 | |
| 234 | |
| 235 | TEST(ExactAssemblyScope_Open) { |
| 236 | aarch64::MacroAssembler masm; |
| 237 | |
| 238 | { |
| 239 | ExactAssemblyScope scope; |
| 240 | __ Mov(aarch64::x0, 0); |
| 241 | scope.Open(&masm, aarch64::kInstructionSize); |
| 242 | __ movz(aarch64::x1, 1); |
| 243 | } |
| 244 | |
| 245 | masm.FinalizeCode(); |
| 246 | } |
| 247 | |
| 248 | |
| 249 | TEST(ExactAssemblyScope_Close) { |
| 250 | aarch64::MacroAssembler masm; |
| 251 | |
| 252 | { |
| 253 | CodeBufferCheckScope scope(&masm, aarch64::kInstructionSize); |
| 254 | __ movz(aarch64::x0, 0); |
| 255 | scope.Close(); |
| 256 | __ Mov(aarch64::x1, 1); |
| 257 | } |
| 258 | |
| 259 | masm.FinalizeCode(); |
| 260 | } |
| 261 | |
| 262 | |
| 263 | TEST(ExactAssemblyScope_Open_Close) { |
| 264 | aarch64::MacroAssembler masm; |
| 265 | |
| 266 | { |
| 267 | ExactAssemblyScope scope; |
| 268 | __ Mov(aarch64::x0, 0); |
| 269 | scope.Open(&masm, aarch64::kInstructionSize); |
| 270 | __ movz(aarch64::x1, 1); |
| 271 | scope.Close(); |
| 272 | __ Mov(aarch64::x2, 2); |
| 273 | } |
| 274 | |
| 275 | masm.FinalizeCode(); |
| 276 | } |
| 277 | |
| 278 | |
| 279 | TEST(ExactAssemblyScope) { |
| 280 | aarch64::MacroAssembler masm; |
| 281 | |
| 282 | // By default macro instructions are allowed. |
| 283 | VIXL_ASSERT(masm.AllowMacroInstructions()); |
| 284 | { |
| 285 | ExactAssemblyScope scope1(&masm, 2 * aarch64::kInstructionSize); |
| 286 | VIXL_ASSERT(!masm.AllowMacroInstructions()); |
| 287 | __ nop(); |
| 288 | { |
| 289 | ExactAssemblyScope scope2(&masm, 1 * aarch64::kInstructionSize); |
| 290 | VIXL_ASSERT(!masm.AllowMacroInstructions()); |
| 291 | __ nop(); |
| 292 | } |
| 293 | VIXL_ASSERT(!masm.AllowMacroInstructions()); |
| 294 | } |
| 295 | VIXL_ASSERT(masm.AllowMacroInstructions()); |
| 296 | |
| 297 | { |
| 298 | ExactAssemblyScope scope(&masm, 2 * aarch64::kInstructionSize); |
| 299 | __ add(aarch64::x0, aarch64::x0, aarch64::x0); |
| 300 | __ sub(aarch64::x0, aarch64::x0, aarch64::x0); |
| 301 | } |
| 302 | |
| 303 | masm.FinalizeCode(); |
| 304 | } |
| 305 | |
| 306 | |
| 307 | TEST(ExactAssemblyScope_scope_with_pools) { |
| 308 | aarch64::MacroAssembler masm; |
| 309 | |
| 310 | ASSERT_LITERAL_POOL_SIZE(0); |
| 311 | |
| 312 | __ Ldr(aarch64::x10, 0x1234567890abcdef); |
| 313 | |
| 314 | ASSERT_LITERAL_POOL_SIZE(8); |
| 315 | |
| 316 | const int64_t n_nops = |
| 317 | aarch64::kMaxLoadLiteralRange / aarch64::kInstructionSize; |
| 318 | { |
| 319 | // The literal pool should be generated at this point, as otherwise the |
| 320 | // `Ldr` will run out of range when we generate the `nop` instructions |
| 321 | // below. |
| 322 | ExactAssemblyScope scope(&masm, n_nops * aarch64::kInstructionSize); |
| 323 | |
| 324 | // Although it must be, we do not check that the literal pool size is zero |
| 325 | // here, because we want this regression test to fail while or after we |
| 326 | // generate the nops. |
| 327 | |
| 328 | for (int64_t i = 0; i < n_nops; ++i) { |
| 329 | __ nop(); |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | ASSERT_LITERAL_POOL_SIZE(0); |
| 334 | |
| 335 | masm.FinalizeCode(); |
| 336 | } |
| 337 | |
| 338 | |
Alexandre Rames | 586c6b9 | 2016-10-24 11:59:33 +0100 | [diff] [blame] | 339 | #endif // VIXL_INCLUDE_TARGET_AARCH64 |
Alexandre Rames | c0b25f2 | 2016-10-19 13:53:55 +0100 | [diff] [blame] | 340 | |
| 341 | |
Alexandre Rames | 9dd6fa3 | 2016-10-12 13:26:54 +0100 | [diff] [blame] | 342 | } // namespace vixl |
| 343 | |