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backend/A64/a32_emit_a64.cpp: Use unused HostCall registers

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This commit is contained in:
SachinVin 2020-01-16 19:47:26 +05:30
parent 79c7b026ed
commit c7f7a99428
1 changed files with 11 additions and 6 deletions
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17
src/backend/A64/a32_emit_a64.cpp
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@ -408,7 +408,8 @@ void A32EmitA64::EmitA32SetCpsr(A32EmitContext& ctx, IR::Inst* inst) {
// TODO:Inline
ctx.reg_alloc.HostCall(nullptr, args[0]);
ARM64Reg host_fpsr = ctx.reg_alloc.ScratchGpr();
// Use an unused HostCall register
ARM64Reg host_fpsr = X9;
if (config.always_little_endian) {
code.ANDI2R(code.ABI_PARAM1, code.ABI_PARAM1, 0xFFFFFDFF, ctx.reg_alloc.ScratchGpr());
@ -700,7 +701,8 @@ void A32EmitA64::EmitA32BXWritePC(A32EmitContext& ctx, IR::Inst* inst) {
void A32EmitA64::EmitA32CallSupervisor(A32EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.HostCall(nullptr);
ARM64Reg cycles_remaining = ctx.reg_alloc.ScratchGpr();
// Use an unused HostCall register
ARM64Reg cycles_remaining = X9;
code.SwitchFpscrOnExit();
code.LDR(INDEX_UNSIGNED, code.ABI_PARAM2, X28, offsetof(A32JitState, cycles_to_run));
@ -736,7 +738,8 @@ static u32 GetFpscrImpl(A32JitState* jit_state) {
void A32EmitA64::EmitA32GetFpscr(A32EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.HostCall(inst);
ARM64Reg fpsr = ctx.reg_alloc.ScratchGpr();
// Use an unused HostCall register
ARM64Reg fpsr = X9;
code.MOV(code.ABI_PARAM1, X28);
code.MRS(fpsr, FIELD_FPSR);
@ -751,7 +754,8 @@ static void SetFpscrImpl(u32 value, A32JitState* jit_state) {
void A32EmitA64::EmitA32SetFpscr(A32EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(nullptr, args[0]);
ARM64Reg fpsr = ctx.reg_alloc.ScratchGpr();
// Use an unused HostCall register
ARM64Reg fpsr = X9;
code.MOV(code.ABI_PARAM2, X28);
@ -932,8 +936,9 @@ static void ExclusiveWrite(BlockOfCode& code, RegAlloc& reg_alloc, IR::Inst* ins
} else {
reg_alloc.HostCall(nullptr, {}, args[0], args[1]);
}
Arm64Gen::ARM64Reg passed = DecodeReg(reg_alloc.ScratchGpr());
Arm64Gen::ARM64Reg tmp = DecodeReg(reg_alloc.ScratchGpr());
// Use unused HostCall registers
ARM64Reg passed = W9;
ARM64Reg tmp = W10;
std::vector<FixupBranch> end;