Changeset 195093 in webkit
- Timestamp:
- Jan 15, 2016 12:11:47 AM (8 years ago)
- Location:
- trunk/Source/JavaScriptCore
- Files:
-
- 3 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/Source/JavaScriptCore/ChangeLog
r195084 r195093 1 2016-01-15 Julien Brianceau <jbriance@cisco.com> 2 3 [mips] Add countLeadingZeros32 implementation in macro assembler 4 https://bugs.webkit.org/show_bug.cgi?id=152886 5 6 Reviewed by Michael Saboff. 7 8 * assembler/MIPSAssembler.h: 9 (JSC::MIPSAssembler::lui): 10 (JSC::MIPSAssembler::clz): 11 (JSC::MIPSAssembler::addiu): 12 * assembler/MacroAssemblerMIPS.h: 13 (JSC::MacroAssemblerMIPS::and32): 14 (JSC::MacroAssemblerMIPS::countLeadingZeros32): 15 (JSC::MacroAssemblerMIPS::lshift32): 16 1 17 2016-01-14 Filip Pizlo <fpizlo@apple.com> 2 18 -
trunk/Source/JavaScriptCore/assembler/MIPSAssembler.h
r189357 r195093 241 241 } 242 242 243 void clz(RegisterID rd, RegisterID rs) 244 { 245 emitInst(0x70000020 | (rd << OP_SH_RD) | (rs << OP_SH_RS) | (rd << OP_SH_RT)); 246 } 247 243 248 void addiu(RegisterID rt, RegisterID rs, int imm) 244 249 { -
trunk/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h
r194764 r195093 312 312 m_assembler.andInsn(dest, src, immTempRegister); 313 313 } 314 } 315 316 void countLeadingZeros32(RegisterID src, RegisterID dest) 317 { 318 #if WTF_MIPS_ISA_AT_LEAST(32) 319 m_assembler.clz(dest, src); 320 #else 321 static_assert(false, "CLZ opcode is not available for this ISA"); 322 #endif 314 323 } 315 324
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