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no more 'getBMode'-'getCMode' (imprecise + we will need more space

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for op mode) + better control of op modes
This commit is contained in:
Roberto Ierusalimschy
2017-09-28 13:53:29 -03:00
parent 1b10033583
commit 722bdbe17d
6 changed files with 109 additions and 109 deletions
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18
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.124 2017/09/26 17:10:49 roberto Exp roberto $
** $Id: lcode.c,v 2.125 2017/09/26 18:14:45 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -367,8 +367,6 @@ static int luaK_code (FuncState *fs, Instruction i) {
*/
int luaK_codeABC (FuncState *fs, OpCode o, int a, int b, int c) {
lua_assert(getOpMode(o) == iABC);
lua_assert(getBMode(o) != OpArgN || b == 0);
lua_assert(getCMode(o) != OpArgN || c == 0);
lua_assert(a <= MAXARG_A && b <= MAXARG_B && c <= MAXARG_C);
return luaK_code(fs, CREATE_ABC(o, a, b, c));
}
@@ -378,13 +376,23 @@ int luaK_codeABC (FuncState *fs, OpCode o, int a, int b, int c) {
** Format and emit an 'iABx' instruction.
*/
int luaK_codeABx (FuncState *fs, OpCode o, int a, unsigned int bc) {
lua_assert(getOpMode(o) == iABx || getOpMode(o) == iAsBx);
lua_assert(getCMode(o) == OpArgN);
lua_assert(getOpMode(o) == iABx);
lua_assert(a <= MAXARG_A && bc <= MAXARG_Bx);
return luaK_code(fs, CREATE_ABx(o, a, bc));
}
/*
** Format and emit an 'iAsBx' instruction.
*/
int luaK_codeAsBx (FuncState *fs, OpCode o, int a, int bc) {
unsigned int b = bc + MAXARG_sBx;
lua_assert(getOpMode(o) == iAsBx);
lua_assert(a <= MAXARG_A && b <= MAXARG_Bx);
return luaK_code(fs, CREATE_ABx(o, a, b));
}
/*
** Emit an "extra argument" instruction (format 'iAx')
*/