diff options
Diffstat (limited to 'JavaScriptCore/assembler/MacroAssemblerARM.h')
| -rw-r--r-- | JavaScriptCore/assembler/MacroAssemblerARM.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/JavaScriptCore/assembler/MacroAssemblerARM.h b/JavaScriptCore/assembler/MacroAssemblerARM.h index 49c87c0..c51686a 100644 --- a/JavaScriptCore/assembler/MacroAssemblerARM.h +++ b/JavaScriptCore/assembler/MacroAssemblerARM.h @@ -228,6 +228,17 @@ public: m_assembler.eors_r(dest, dest, m_assembler.getImm(imm.m_value, ARMRegisters::S0)); } + void countLeadingZeros32(RegisterID src, RegisterID dest) + { +#if WTF_ARM_ARCH_AT_LEAST(5) + m_assembler.clz_r(dest, src); +#else + UNUSED_PARAM(src); + UNUSED_PARAM(dest); + ASSERT_NOT_REACHED(); +#endif + } + void load8(ImplicitAddress address, RegisterID dest) { m_assembler.dataTransfer32(true, dest, address.base, address.offset, true); @@ -604,9 +615,7 @@ public: Call call(RegisterID target) { - m_assembler.blx(target); - JmpSrc jmpSrc; - return Call(jmpSrc, Call::None); + return Call(m_assembler.blx(target), Call::None); } void call(Address address) @@ -710,6 +719,15 @@ public: return branch32(cond, ARMRegisters::S1, right); } + void relativeTableJump(RegisterID index, int scale) + { + ASSERT(scale >= 0 && scale <= 31); + m_assembler.add_r(ARMRegisters::pc, ARMRegisters::pc, m_assembler.lsl(index, scale)); + + // NOP the default prefetching + m_assembler.mov_r(ARMRegisters::r0, ARMRegisters::r0); + } + Call call() { #if WTF_ARM_ARCH_AT_LEAST(5) |