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Issue #3049 - Fix loongarch64 value decoding and exception tail

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Basilisk-Dev 2026-04-24 11:49:17 -04:00 • committed by wuggy
commit cc49913ad9
2 changed files with 14 additions and 15 deletions
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27
js/src/jit/loongarch64/MacroAssembler-loongarch64.cpp
View file

@ -2931,6 +2931,7 @@ void MacroAssemblerLOONGARCH64Compat::loadPtr(wasm::SymbolicAddress address,
void MacroAssemblerLOONGARCH64Compat::loadPrivate(const Address& address,
Register dest) {
loadPtr(address, dest);
as_slli_d(dest, dest, 1);
}
void MacroAssemblerLOONGARCH64Compat::store8(Imm32 imm, const Address& address) {
@ -3159,58 +3160,58 @@ void MacroAssemblerLOONGARCH64Compat::unboxDouble(const BaseIndex& src,
void MacroAssemblerLOONGARCH64Compat::unboxString(const ValueOperand& operand,
Register dest) {
unboxNonDouble(operand, dest, JSVAL_TYPE_STRING);
unboxNonDouble(operand, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxString(Register src, Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_STRING);
as_bstrpick_d(dest, src, JSVAL_TAG_SHIFT - 1, 0);
}
void MacroAssemblerLOONGARCH64Compat::unboxString(const Address& src,
Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_STRING);
unboxNonDouble(src, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxSymbol(const ValueOperand& operand,
Register dest) {
unboxNonDouble(operand, dest, JSVAL_TYPE_SYMBOL);
unboxNonDouble(operand, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxSymbol(Register src, Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_SYMBOL);
as_bstrpick_d(dest, src, JSVAL_TAG_SHIFT - 1, 0);
}
void MacroAssemblerLOONGARCH64Compat::unboxSymbol(const Address& src,
Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_SYMBOL);
unboxNonDouble(src, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxBigInt(const ValueOperand& operand,
Register dest) {
unboxNonDouble(operand, dest, JSVAL_TYPE_BIGINT);
unboxNonDouble(operand, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxBigInt(Register src, Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_BIGINT);
as_bstrpick_d(dest, src, JSVAL_TAG_SHIFT - 1, 0);
}
void MacroAssemblerLOONGARCH64Compat::unboxBigInt(const Address& src,
Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_BIGINT);
unboxNonDouble(src, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxObject(const ValueOperand& src,
Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_OBJECT);
unboxNonDouble(src, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxObject(Register src, Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_OBJECT);
as_bstrpick_d(dest, src, JSVAL_TAG_SHIFT - 1, 0);
}
void MacroAssemblerLOONGARCH64Compat::unboxObject(const Address& src,
Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_OBJECT);
unboxNonDouble(src, dest);
}
void MacroAssemblerLOONGARCH64Compat::unboxNonDouble(const ValueOperand& operand,
@ -3513,8 +3514,6 @@ void MacroAssemblerLOONGARCH64Compat::handleFailureWithHandlerTail(void* handler
asMasm().moveValue(MagicValue(JS_ION_ERROR), JSReturnOperand);
loadPtr(Address(StackPointer, offsetof(ResumeFromException, stackPointer)),
StackPointer);
loadPtr(Address(StackPointer, 0), ra);
asMasm().addPtr(Imm32(sizeof(intptr_t)), StackPointer);
ret();
// If we found a catch handler, this must be a baseline frame. Restore

2
js/src/jit/loongarch64/MacroAssembler-loongarch64.h
View file

@ -669,7 +669,7 @@ class MacroAssemblerLOONGARCH64Compat : public MacroAssemblerLOONGARCH64 {
void unboxObject(Register src, Register dest);
void unboxObject(const Address& src, Register dest);
void unboxObject(const BaseIndex& src, Register dest) {
unboxNonDouble(src, dest, JSVAL_TYPE_OBJECT);
unboxNonDouble(src, dest);
}
void unboxValue(const ValueOperand& src, AnyRegister dest);