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IR: Add IR instructions A64Memory{Read,Write}128

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Add the Windows ABI implementation
This commit is contained in:
MerryMage 2018-01-24 16:18:24 +00:00
parent e1df7ae621
commit f698848e26
1 changed files with 38 additions and 0 deletions
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38
src/backend_x64/a64_emit_x64.cpp
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@ -320,6 +320,24 @@ void A64EmitX64::EmitA64ReadMemory64(A64EmitContext& ctx, IR::Inst* inst) {
} }
void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) { void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
#ifdef _WIN32
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
static_assert(ABI_SHADOW_SPACE >= 16);
ctx.reg_alloc.HostCall(nullptr, {}, {}, args[0]);
code->lea(code->ABI_PARAM2, ptr[rsp]);
code->sub(rsp, ABI_SHADOW_SPACE);
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryRead128).EmitCall(code, [&](Xbyak::Reg64 return_value, Xbyak::Reg64 vaddr) {
ASSERT(return_value == code->ABI_PARAM2 && vaddr == code->ABI_PARAM3);
});
Xbyak::Xmm result = xmm0;
code->movups(result, code->xword[code->ABI_RETURN]);
code->add(rsp, ABI_SHADOW_SPACE);
ctx.reg_alloc.DefineValue(inst, result);
#else
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryRead128).EmitCall(code, [&](Xbyak::Reg64 vaddr) { DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryRead128).EmitCall(code, [&](Xbyak::Reg64 vaddr) {
ASSERT(vaddr == code->ABI_PARAM2); ASSERT(vaddr == code->ABI_PARAM2);
auto args = ctx.reg_alloc.GetArgumentInfo(inst); auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@ -336,6 +354,7 @@ void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
code->punpcklqdq(result, tmp); code->punpcklqdq(result, tmp);
} }
ctx.reg_alloc.DefineValue(inst, result); ctx.reg_alloc.DefineValue(inst, result);
#endif
} }
void A64EmitX64::EmitA64WriteMemory8(A64EmitContext& ctx, IR::Inst* inst) { void A64EmitX64::EmitA64WriteMemory8(A64EmitContext& ctx, IR::Inst* inst) {
@ -371,6 +390,24 @@ void A64EmitX64::EmitA64WriteMemory64(A64EmitContext& ctx, IR::Inst* inst) {
} }
void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) { void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
#ifdef _WIN32
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
static_assert(ABI_SHADOW_SPACE >= 16);
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
Xbyak::Xmm xmm_value = ctx.reg_alloc.UseXmm(args[1]);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
code->lea(code->ABI_PARAM3, ptr[rsp]);
code->sub(rsp, ABI_SHADOW_SPACE);
code->movaps(code->xword[code->ABI_PARAM3], xmm_value);
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryRead128).EmitCall(code, [&](Xbyak::Reg64 return_value, Xbyak::Reg64 vaddr) {
ASSERT(return_value == code->ABI_PARAM2 && vaddr == code->ABI_PARAM3);
});
code->add(rsp, ABI_SHADOW_SPACE);
#else
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryWrite128).EmitCall(code, [&](Xbyak::Reg64 vaddr, Xbyak::Reg64 value0, Xbyak::Reg64 value1) { DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryWrite128).EmitCall(code, [&](Xbyak::Reg64 vaddr, Xbyak::Reg64 value0, Xbyak::Reg64 value1) {
ASSERT(vaddr == code->ABI_PARAM2 && value0 == code->ABI_PARAM3 && value1 == code->ABI_PARAM4); ASSERT(vaddr == code->ABI_PARAM2 && value0 == code->ABI_PARAM3 && value1 == code->ABI_PARAM4);
auto args = ctx.reg_alloc.GetArgumentInfo(inst); auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@ -390,6 +427,7 @@ void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.EndOfAllocScope(); ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr); ctx.reg_alloc.HostCall(nullptr);
}); });
#endif
} }
void A64EmitX64::EmitTerminalImpl(IR::Term::Interpret terminal, IR::LocationDescriptor) { void A64EmitX64::EmitTerminalImpl(IR::Term::Interpret terminal, IR::LocationDescriptor) {