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[a64] Optimize Volatile/NonVolatile push/pop

This commit is contained in:
Wunkolo 2024-05-05 19:18:07 -07:00
parent 17987ca755
commit 9ec4b68cae
1 changed files with 75 additions and 136 deletions
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211
src/xenia/cpu/backend/a64/a64_backend.cc
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@ -358,7 +358,9 @@ ResolveFunctionThunk A64ThunkEmitter::EmitResolveFunctionThunk() {
// rsp + 0 = return address
// sub(rsp, stack_size);
SUB(XSP, XSP, stack_size);
STP(X29, X30, SP, POST_INDEXED, -32);
MOV(X29, SP);
SUB(SP, SP, stack_size);
code_offsets.prolog_stack_alloc = offset();
code_offsets.body = offset();
@ -401,158 +403,95 @@ ResolveFunctionThunk A64ThunkEmitter::EmitResolveFunctionThunk() {
return (ResolveFunctionThunk)fn;
}
// Caller saved:
// x0-x15, x30 | d0-d7 and d16-v31
void A64ThunkEmitter::EmitSaveVolatileRegs() {
// Save off volatile registers.
// Preserve arguments passed to and returned from a subroutine
// STR(X0, XSP, offsetof(StackLayout::Thunk, r[0]));
STR(X1, XSP, offsetof(StackLayout::Thunk, r[1]));
STR(X2, XSP, offsetof(StackLayout::Thunk, r[2]));
STR(X3, XSP, offsetof(StackLayout::Thunk, r[3]));
STR(X4, XSP, offsetof(StackLayout::Thunk, r[4]));
STR(X5, XSP, offsetof(StackLayout::Thunk, r[5]));
STR(X6, XSP, offsetof(StackLayout::Thunk, r[6]));
STR(X7, XSP, offsetof(StackLayout::Thunk, r[7]));
STR(X8, XSP, offsetof(StackLayout::Thunk, r[8]));
STR(X9, XSP, offsetof(StackLayout::Thunk, r[9]));
STR(X10, XSP, offsetof(StackLayout::Thunk, r[10]));
STR(X11, XSP, offsetof(StackLayout::Thunk, r[11]));
STR(X12, XSP, offsetof(StackLayout::Thunk, r[12]));
STR(X13, XSP, offsetof(StackLayout::Thunk, r[13]));
STR(X14, XSP, offsetof(StackLayout::Thunk, r[14]));
STR(X15, XSP, offsetof(StackLayout::Thunk, r[15]));
STR(X16, XSP, offsetof(StackLayout::Thunk, r[16]));
STR(X17, XSP, offsetof(StackLayout::Thunk, r[17]));
STR(X18, XSP, offsetof(StackLayout::Thunk, r[18]));
STR(X30, XSP, offsetof(StackLayout::Thunk, r[19]));
// STR(X0, SP, offsetof(StackLayout::Thunk, r[0]));
STP(X1, X2, SP, offsetof(StackLayout::Thunk, r[0]));
STP(X3, X4, SP, offsetof(StackLayout::Thunk, r[2]));
STP(X5, X6, SP, offsetof(StackLayout::Thunk, r[4]));
STP(X7, X8, SP, offsetof(StackLayout::Thunk, r[6]));
STP(X9, X10, SP, offsetof(StackLayout::Thunk, r[8]));
STP(X11, X12, SP, offsetof(StackLayout::Thunk, r[10]));
STP(X13, X14, SP, offsetof(StackLayout::Thunk, r[12]));
STP(X15, X30, SP, offsetof(StackLayout::Thunk, r[14]));
// Preserve arguments passed to and returned from a subroutine
// STR(Q0, XSP, offsetof(StackLayout::Thunk, xmm[0]));
STR(Q1, XSP, offsetof(StackLayout::Thunk, xmm[1]));
STR(Q2, XSP, offsetof(StackLayout::Thunk, xmm[2]));
STR(Q3, XSP, offsetof(StackLayout::Thunk, xmm[3]));
STR(Q4, XSP, offsetof(StackLayout::Thunk, xmm[4]));
STR(Q5, XSP, offsetof(StackLayout::Thunk, xmm[5]));
STR(Q6, XSP, offsetof(StackLayout::Thunk, xmm[6]));
STR(Q7, XSP, offsetof(StackLayout::Thunk, xmm[7]));
STR(Q8, XSP, offsetof(StackLayout::Thunk, xmm[8]));
STR(Q9, XSP, offsetof(StackLayout::Thunk, xmm[9]));
STR(Q10, XSP, offsetof(StackLayout::Thunk, xmm[10]));
STR(Q11, XSP, offsetof(StackLayout::Thunk, xmm[11]));
STR(Q12, XSP, offsetof(StackLayout::Thunk, xmm[12]));
STR(Q13, XSP, offsetof(StackLayout::Thunk, xmm[13]));
STR(Q14, XSP, offsetof(StackLayout::Thunk, xmm[14]));
STR(Q15, XSP, offsetof(StackLayout::Thunk, xmm[15]));
STR(Q16, XSP, offsetof(StackLayout::Thunk, xmm[16]));
STR(Q17, XSP, offsetof(StackLayout::Thunk, xmm[17]));
STR(Q18, XSP, offsetof(StackLayout::Thunk, xmm[18]));
STR(Q19, XSP, offsetof(StackLayout::Thunk, xmm[19]));
STR(Q20, XSP, offsetof(StackLayout::Thunk, xmm[20]));
STR(Q21, XSP, offsetof(StackLayout::Thunk, xmm[21]));
STR(Q22, XSP, offsetof(StackLayout::Thunk, xmm[22]));
STR(Q23, XSP, offsetof(StackLayout::Thunk, xmm[23]));
STR(Q24, XSP, offsetof(StackLayout::Thunk, xmm[24]));
STR(Q25, XSP, offsetof(StackLayout::Thunk, xmm[25]));
STR(Q26, XSP, offsetof(StackLayout::Thunk, xmm[26]));
STR(Q27, XSP, offsetof(StackLayout::Thunk, xmm[27]));
STR(Q28, XSP, offsetof(StackLayout::Thunk, xmm[28]));
STR(Q29, XSP, offsetof(StackLayout::Thunk, xmm[29]));
STR(Q30, XSP, offsetof(StackLayout::Thunk, xmm[30]));
STR(Q31, XSP, offsetof(StackLayout::Thunk, xmm[31]));
// STR(Q0, SP, offsetof(StackLayout::Thunk, xmm[0]));
STP(Q1, Q2, SP, offsetof(StackLayout::Thunk, xmm[0]));
STP(Q3, Q4, SP, offsetof(StackLayout::Thunk, xmm[2]));
STP(Q5, Q6, SP, offsetof(StackLayout::Thunk, xmm[4]));
STP(Q7, Q16, SP, offsetof(StackLayout::Thunk, xmm[6]));
STP(Q7, Q16, SP, offsetof(StackLayout::Thunk, xmm[6]));
STP(Q17, Q18, SP, offsetof(StackLayout::Thunk, xmm[8]));
STP(Q19, Q20, SP, offsetof(StackLayout::Thunk, xmm[10]));
STP(Q21, Q22, SP, offsetof(StackLayout::Thunk, xmm[12]));
STP(Q23, Q24, SP, offsetof(StackLayout::Thunk, xmm[14]));
STP(Q25, Q26, SP, offsetof(StackLayout::Thunk, xmm[16]));
STP(Q27, Q28, SP, offsetof(StackLayout::Thunk, xmm[18]));
STP(Q29, Q30, SP, offsetof(StackLayout::Thunk, xmm[20]));
STR(Q31, SP, offsetof(StackLayout::Thunk, xmm[21]));
}
void A64ThunkEmitter::EmitLoadVolatileRegs() {
// Preserve arguments passed to and returned from a subroutine
// LDR(X0, XSP, offsetof(StackLayout::Thunk, r[0]));
LDR(X1, XSP, offsetof(StackLayout::Thunk, r[1]));
LDR(X2, XSP, offsetof(StackLayout::Thunk, r[2]));
LDR(X3, XSP, offsetof(StackLayout::Thunk, r[3]));
LDR(X4, XSP, offsetof(StackLayout::Thunk, r[4]));
LDR(X5, XSP, offsetof(StackLayout::Thunk, r[5]));
LDR(X6, XSP, offsetof(StackLayout::Thunk, r[6]));
LDR(X7, XSP, offsetof(StackLayout::Thunk, r[7]));
LDR(X8, XSP, offsetof(StackLayout::Thunk, r[8]));
LDR(X9, XSP, offsetof(StackLayout::Thunk, r[9]));
LDR(X10, XSP, offsetof(StackLayout::Thunk, r[10]));
LDR(X11, XSP, offsetof(StackLayout::Thunk, r[11]));
LDR(X12, XSP, offsetof(StackLayout::Thunk, r[12]));
LDR(X13, XSP, offsetof(StackLayout::Thunk, r[13]));
LDR(X14, XSP, offsetof(StackLayout::Thunk, r[14]));
LDR(X15, XSP, offsetof(StackLayout::Thunk, r[15]));
LDR(X16, XSP, offsetof(StackLayout::Thunk, r[16]));
LDR(X17, XSP, offsetof(StackLayout::Thunk, r[17]));
LDR(X18, XSP, offsetof(StackLayout::Thunk, r[18]));
LDR(X30, XSP, offsetof(StackLayout::Thunk, r[19]));
// LDR(X0, SP, offsetof(StackLayout::Thunk, r[0]));
LDP(X1, X2, SP, offsetof(StackLayout::Thunk, r[0]));
LDP(X3, X4, SP, offsetof(StackLayout::Thunk, r[2]));
LDP(X5, X6, SP, offsetof(StackLayout::Thunk, r[4]));
LDP(X7, X8, SP, offsetof(StackLayout::Thunk, r[6]));
LDP(X9, X10, SP, offsetof(StackLayout::Thunk, r[8]));
LDP(X11, X12, SP, offsetof(StackLayout::Thunk, r[10]));
LDP(X13, X14, SP, offsetof(StackLayout::Thunk, r[12]));
LDP(X15, X30, SP, offsetof(StackLayout::Thunk, r[14]));
// Preserve arguments passed to and returned from a subroutine
// LDR(Q0, XSP, offsetof(StackLayout::Thunk, xmm[0]));
LDR(Q1, XSP, offsetof(StackLayout::Thunk, xmm[1]));
LDR(Q2, XSP, offsetof(StackLayout::Thunk, xmm[2]));
LDR(Q3, XSP, offsetof(StackLayout::Thunk, xmm[3]));
LDR(Q4, XSP, offsetof(StackLayout::Thunk, xmm[4]));
LDR(Q5, XSP, offsetof(StackLayout::Thunk, xmm[5]));
LDR(Q6, XSP, offsetof(StackLayout::Thunk, xmm[6]));
LDR(Q7, XSP, offsetof(StackLayout::Thunk, xmm[7]));
LDR(Q8, XSP, offsetof(StackLayout::Thunk, xmm[8]));
LDR(Q9, XSP, offsetof(StackLayout::Thunk, xmm[9]));
LDR(Q10, XSP, offsetof(StackLayout::Thunk, xmm[10]));
LDR(Q11, XSP, offsetof(StackLayout::Thunk, xmm[11]));
LDR(Q12, XSP, offsetof(StackLayout::Thunk, xmm[12]));
LDR(Q13, XSP, offsetof(StackLayout::Thunk, xmm[13]));
LDR(Q14, XSP, offsetof(StackLayout::Thunk, xmm[14]));
LDR(Q15, XSP, offsetof(StackLayout::Thunk, xmm[15]));
LDR(Q16, XSP, offsetof(StackLayout::Thunk, xmm[16]));
LDR(Q17, XSP, offsetof(StackLayout::Thunk, xmm[17]));
LDR(Q18, XSP, offsetof(StackLayout::Thunk, xmm[18]));
LDR(Q19, XSP, offsetof(StackLayout::Thunk, xmm[19]));
LDR(Q20, XSP, offsetof(StackLayout::Thunk, xmm[20]));
LDR(Q21, XSP, offsetof(StackLayout::Thunk, xmm[21]));
LDR(Q22, XSP, offsetof(StackLayout::Thunk, xmm[22]));
LDR(Q23, XSP, offsetof(StackLayout::Thunk, xmm[23]));
LDR(Q24, XSP, offsetof(StackLayout::Thunk, xmm[24]));
LDR(Q25, XSP, offsetof(StackLayout::Thunk, xmm[25]));
LDR(Q26, XSP, offsetof(StackLayout::Thunk, xmm[26]));
LDR(Q27, XSP, offsetof(StackLayout::Thunk, xmm[27]));
LDR(Q28, XSP, offsetof(StackLayout::Thunk, xmm[28]));
LDR(Q29, XSP, offsetof(StackLayout::Thunk, xmm[29]));
LDR(Q30, XSP, offsetof(StackLayout::Thunk, xmm[30]));
LDR(Q31, XSP, offsetof(StackLayout::Thunk, xmm[31]));
// LDR(Q0, SP, offsetof(StackLayout::Thunk, xmm[0]));
LDP(Q1, Q2, SP, offsetof(StackLayout::Thunk, xmm[0]));
LDP(Q3, Q4, SP, offsetof(StackLayout::Thunk, xmm[2]));
LDP(Q5, Q6, SP, offsetof(StackLayout::Thunk, xmm[4]));
LDP(Q7, Q16, SP, offsetof(StackLayout::Thunk, xmm[6]));
LDP(Q7, Q16, SP, offsetof(StackLayout::Thunk, xmm[6]));
LDP(Q17, Q18, SP, offsetof(StackLayout::Thunk, xmm[8]));
LDP(Q19, Q20, SP, offsetof(StackLayout::Thunk, xmm[10]));
LDP(Q21, Q22, SP, offsetof(StackLayout::Thunk, xmm[12]));
LDP(Q23, Q24, SP, offsetof(StackLayout::Thunk, xmm[14]));
LDP(Q25, Q26, SP, offsetof(StackLayout::Thunk, xmm[16]));
LDP(Q27, Q28, SP, offsetof(StackLayout::Thunk, xmm[18]));
LDP(Q29, Q30, SP, offsetof(StackLayout::Thunk, xmm[20]));
LDR(Q31, SP, offsetof(StackLayout::Thunk, xmm[21]));
}
// Callee saved:
// x19-x30 | d8-d15
void A64ThunkEmitter::EmitSaveNonvolatileRegs() {
STR(X19, XSP, offsetof(StackLayout::Thunk, r[0]));
STR(X20, XSP, offsetof(StackLayout::Thunk, r[1]));
STR(X21, XSP, offsetof(StackLayout::Thunk, r[2]));
STR(X22, XSP, offsetof(StackLayout::Thunk, r[3]));
STR(X23, XSP, offsetof(StackLayout::Thunk, r[4]));
STR(X24, XSP, offsetof(StackLayout::Thunk, r[5]));
STR(X25, XSP, offsetof(StackLayout::Thunk, r[6]));
STR(X26, XSP, offsetof(StackLayout::Thunk, r[7]));
STR(X27, XSP, offsetof(StackLayout::Thunk, r[8]));
STR(X28, XSP, offsetof(StackLayout::Thunk, r[9]));
STR(X29, XSP, offsetof(StackLayout::Thunk, r[10]));
STR(X30, XSP, offsetof(StackLayout::Thunk, r[11]));
STP(X19, X20, SP, offsetof(StackLayout::Thunk, r[0]));
STP(X21, X22, SP, offsetof(StackLayout::Thunk, r[2]));
STP(X23, X24, SP, offsetof(StackLayout::Thunk, r[4]));
STP(X25, X26, SP, offsetof(StackLayout::Thunk, r[6]));
STP(X27, X28, SP, offsetof(StackLayout::Thunk, r[8]));
STP(X29, X30, SP, offsetof(StackLayout::Thunk, r[10]));
STP(Q8, Q9, SP, offsetof(StackLayout::Thunk, xmm[0]));
STP(Q10, Q11, SP, offsetof(StackLayout::Thunk, xmm[2]));
STP(Q12, Q13, SP, offsetof(StackLayout::Thunk, xmm[4]));
STP(Q14, Q15, SP, offsetof(StackLayout::Thunk, xmm[6]));
}
void A64ThunkEmitter::EmitLoadNonvolatileRegs() {
LDR(X19, XSP, offsetof(StackLayout::Thunk, r[0]));
LDR(X20, XSP, offsetof(StackLayout::Thunk, r[1]));
LDR(X21, XSP, offsetof(StackLayout::Thunk, r[2]));
LDR(X22, XSP, offsetof(StackLayout::Thunk, r[3]));
LDR(X23, XSP, offsetof(StackLayout::Thunk, r[4]));
LDR(X24, XSP, offsetof(StackLayout::Thunk, r[5]));
LDR(X25, XSP, offsetof(StackLayout::Thunk, r[6]));
LDR(X26, XSP, offsetof(StackLayout::Thunk, r[7]));
LDR(X27, XSP, offsetof(StackLayout::Thunk, r[8]));
LDR(X28, XSP, offsetof(StackLayout::Thunk, r[9]));
LDR(X29, XSP, offsetof(StackLayout::Thunk, r[10]));
LDR(X30, XSP, offsetof(StackLayout::Thunk, r[11]));
LDP(X19, X20, SP, offsetof(StackLayout::Thunk, r[0]));
LDP(X21, X22, SP, offsetof(StackLayout::Thunk, r[2]));
LDP(X23, X24, SP, offsetof(StackLayout::Thunk, r[4]));
LDP(X25, X26, SP, offsetof(StackLayout::Thunk, r[6]));
LDP(X27, X28, SP, offsetof(StackLayout::Thunk, r[8]));
LDP(X29, X30, SP, offsetof(StackLayout::Thunk, r[10]));
LDP(Q8, Q9, SP, offsetof(StackLayout::Thunk, xmm[0]));
LDP(Q10, Q11, SP, offsetof(StackLayout::Thunk, xmm[2]));
LDP(Q12, Q13, SP, offsetof(StackLayout::Thunk, xmm[4]));
LDP(Q14, Q15, SP, offsetof(StackLayout::Thunk, xmm[6]));
}
} // namespace a64