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A64: Implement STXP, STLXP, LDXP, LDAXP

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This commit is contained in:
MerryMage
2018-02-13 12:50:50 +00:00
parent 2a6619d59c
commit 8698f057d0
6 changed files with 94 additions and 14 deletions
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19
src/backend_x64/emit_x64_data_processing.cpp
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@@ -28,6 +28,25 @@ void EmitX64::EmitPack2x32To1x64(EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, lo);
}
void EmitX64::EmitPack2x64To1x128(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Xbyak::Reg64 lo = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Reg64 hi = ctx.reg_alloc.UseGpr(args[1]);
Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
code.movq(result, lo);
code.pinsrq(result, hi, 1);
} else {
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
code.movq(result, lo);
code.movq(tmp, hi);
code.punpcklqdq(result, tmp);
}
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitX64::EmitLeastSignificantWord(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.DefineValue(inst, args[0]);