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update lua 5.5.1

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Cloud Wu
2026-07-19 18:22:02 +08:00
parent f19d1605b4
commit 5027096d53
34 changed files with 312 additions and 213 deletions
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25
3rd/lua/lopcodes.c
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@@ -104,35 +104,26 @@ LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
,opmode(0, 1, 0, 0, 1, iABC) /* OP_VARARG */
,opmode(0, 0, 0, 0, 1, iABC) /* OP_GETVARG */
,opmode(0, 0, 0, 0, 0, iABx) /* OP_ERRNNIL */
,opmode(0, 0, 1, 0, 1, iABC) /* OP_VARARGPREP */
,opmode(0, 0, 0, 0, 0, iABC) /* OP_VARARGPREP */
,opmode(0, 0, 0, 0, 0, iAx) /* OP_EXTRAARG */
};
/*
** Check whether instruction sets top for next instruction, that is,
** it results in multiple values.
*/
int luaP_isOT (Instruction i) {
OpCode op = GET_OPCODE(i);
switch (op) {
case OP_TAILCALL: return 1;
default:
return testOTMode(op) && GETARG_C(i) == 0;
}
}
#define testITMode(m) (luaP_opmodes[m] & (1 << 5))
/*
** Check whether instruction uses top from previous instruction, that is,
** it accepts multiple results.
** Check whether instruction uses top. That happens for OP_VARARGPREP
** and for instructions that use multiple values set by the previous
** instruction.
*/
int luaP_isIT (Instruction i) {
OpCode op = GET_OPCODE(i);
switch (op) {
case OP_SETLIST:
return testITMode(GET_OPCODE(i)) && GETARG_vB(i) == 0;
return GETARG_vB(i) == 0;
case OP_VARARGPREP:
return 1;
default:
return testITMode(GET_OPCODE(i)) && GETARG_B(i) == 0;
}