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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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15
src/backend_x64/emit_x64_vector.cpp
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@@ -55,6 +55,7 @@ static void EmitOneArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Ins
constexpr u32 stack_space = 2 * 16;
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
@@ -64,11 +65,11 @@ static void EmitOneArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Ins
code.movaps(xword[code.ABI_PARAM2], arg1);
code.CallFunction(fn);
code.movaps(xmm0, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.movaps(result, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.add(rsp, stack_space + ABI_SHADOW_SPACE);
ctx.reg_alloc.DefineValue(inst, xmm0);
ctx.reg_alloc.DefineValue(inst, result);
}
template <typename Lambda>
@@ -77,6 +78,7 @@ static void EmitOneArgumentFallbackWithSaturation(BlockOfCode& code, EmitContext
constexpr u32 stack_space = 2 * 16;
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
@@ -86,13 +88,13 @@ static void EmitOneArgumentFallbackWithSaturation(BlockOfCode& code, EmitContext
code.movaps(xword[code.ABI_PARAM2], arg1);
code.CallFunction(fn);
code.movaps(xmm0, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.movaps(result, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.add(rsp, stack_space + ABI_SHADOW_SPACE);
code.or_(code.byte[code.r15 + code.GetJitStateInfo().offsetof_fpsr_qc], code.ABI_RETURN.cvt8());
ctx.reg_alloc.DefineValue(inst, xmm0);
ctx.reg_alloc.DefineValue(inst, result);
}
template <typename Lambda>
@@ -102,6 +104,7 @@ static void EmitTwoArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Ins
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
const Xbyak::Xmm arg2 = ctx.reg_alloc.UseXmm(args[1]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
@@ -113,11 +116,11 @@ static void EmitTwoArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Ins
code.movaps(xword[code.ABI_PARAM2], arg1);
code.movaps(xword[code.ABI_PARAM3], arg2);
code.CallFunction(fn);
code.movaps(xmm0, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.movaps(result, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
code.add(rsp, stack_space + ABI_SHADOW_SPACE);
ctx.reg_alloc.DefineValue(inst, xmm0);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitX64::EmitVectorGetElement8(EmitContext& ctx, IR::Inst* inst) {