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backend_x64: Remove all use of xmm0

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This commit is contained in:
MerryMage 2018-07-31 20:53:33 +01:00
parent 8252efd7b1
commit 476c0f15da
5 changed files with 43 additions and 36 deletions
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40
src/backend_x64/a64_emit_x64.cpp
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@ -145,18 +145,18 @@ void A64EmitX64::GenMemory128Accessors() {
code.sub(rsp, 8 + 16 + ABI_SHADOW_SPACE);
code.lea(return_value_ptr, ptr[rsp + ABI_SHADOW_SPACE]);
});
code.movups(xmm0, xword[code.ABI_RETURN]);
code.movups(xmm1, xword[code.ABI_RETURN]);
code.add(rsp, 8 + 16 + ABI_SHADOW_SPACE);
#else
code.sub(rsp, 8);
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryRead128).EmitCall(code);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
code.movq(xmm0, code.ABI_RETURN);
code.pinsrq(xmm0, code.ABI_RETURN2, 1);
code.movq(xmm1, code.ABI_RETURN);
code.pinsrq(xmm1, code.ABI_RETURN2, 1);
} else {
code.movq(xmm0, code.ABI_RETURN);
code.movq(xmm1, code.ABI_RETURN2);
code.punpcklqdq(xmm0, xmm1);
code.movq(xmm1, code.ABI_RETURN);
code.movq(xmm2, code.ABI_RETURN2);
code.punpcklqdq(xmm1, xmm2);
}
code.add(rsp, 8);
#endif
@ -167,18 +167,18 @@ void A64EmitX64::GenMemory128Accessors() {
#ifdef _WIN32
code.sub(rsp, 8 + 16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.movaps(xword[code.ABI_PARAM3], xmm0);
code.movaps(xword[code.ABI_PARAM3], xmm1);
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryWrite128).EmitCall(code);
code.add(rsp, 8 + 16 + ABI_SHADOW_SPACE);
#else
code.sub(rsp, 8);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
code.movq(code.ABI_PARAM3, xmm0);
code.pextrq(code.ABI_PARAM4, xmm0, 1);
code.movq(code.ABI_PARAM3, xmm1);
code.pextrq(code.ABI_PARAM4, xmm1, 1);
} else {
code.movq(code.ABI_PARAM3, xmm0);
code.punpckhqdq(xmm0, xmm0);
code.movq(code.ABI_PARAM4, xmm0);
code.movq(code.ABI_PARAM3, xmm1);
code.punpckhqdq(xmm1, xmm1);
code.movq(code.ABI_PARAM4, xmm1);
}
DEVIRT(conf.callbacks, &A64::UserCallbacks::MemoryWrite128).EmitCall(code);
code.add(rsp, 8);
@ -214,8 +214,8 @@ void A64EmitX64::GenFastmemFallbacks() {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
}
code.call(memory_read_128);
if (value_idx != 0) {
code.movaps(Xbyak::Xmm{value_idx}, xmm0);
if (value_idx != 1) {
code.movaps(Xbyak::Xmm{value_idx}, xmm1);
}
ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLocXmmIdx(value_idx));
code.ret();
@ -226,8 +226,8 @@ void A64EmitX64::GenFastmemFallbacks() {
if (vaddr_idx != code.ABI_PARAM2.getIdx()) {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
}
if (value_idx != 0) {
code.movaps(xmm0, Xbyak::Xmm{value_idx});
if (value_idx != 1) {
code.movaps(xmm1, Xbyak::Xmm{value_idx});
}
code.call(memory_write_128);
ABI_PopCallerSaveRegistersAndAdjustStack(code);
@ -780,7 +780,7 @@ void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(nullptr, {}, args[0]);
code.CallFunction(memory_read_128);
ctx.reg_alloc.DefineValue(inst, xmm0);
ctx.reg_alloc.DefineValue(inst, xmm1);
}
void A64EmitX64::EmitA64WriteMemory8(A64EmitContext& ctx, IR::Inst* inst) {
@ -849,7 +849,7 @@ void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
ctx.reg_alloc.Use(args[1], HostLoc::XMM0);
ctx.reg_alloc.Use(args[1], HostLoc::XMM1);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
code.CallFunction(memory_write_128);
@ -863,7 +863,7 @@ void A64EmitX64::EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t
ctx.reg_alloc.HostCall(inst, {}, args[0], args[1]);
} else {
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
ctx.reg_alloc.Use(args[1], HostLoc::XMM0);
ctx.reg_alloc.Use(args[1], HostLoc::XMM1);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(inst);
}
@ -914,7 +914,7 @@ void A64EmitX64::EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t
case 128:
code.sub(rsp, 16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.movaps(xword[code.ABI_PARAM3], xmm0);
code.movaps(xword[code.ABI_PARAM3], xmm1);
code.CallFunction(static_cast<u32(*)(A64::UserConfig&, u64, A64::Vector&)>(
[](A64::UserConfig& conf, u64 vaddr, A64::Vector& value) -> u32 {
return conf.global_monitor->DoExclusiveOperation(conf.processor_id, vaddr, 16, [&]{