Scarfski/lua
1
0
Fork 0
mirror of https://github.com/lua/lua.git synced 2026-06-08 08:03:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Cleaning 'luaP_isIT' and 'luaP_isOT'

Browse Source 
- 'luaP_isOT' is only used for tests, so it is defined as a macro to avoid
wasting space with an unused function.
- 'luaP_isIT' must include OP_VARARGPREP.
This commit is contained in:
Roberto I
2026-05-28 15:10:17 -03:00
parent 53b41d0cdd
commit 0465c23b3e
3 changed files with 17 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lopcodes.h
View File

@@ -417,8 +417,8 @@ OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
** bits 0-2: op mode
** bit 3: instruction set register A
** bit 4: operator is a test (next instruction must be a jump)
** bit 5: instruction uses 'L->top' set by previous instruction (when B == 0)
** bit 6: instruction sets 'L->top' for next instruction (when C == 0)
** bit 5: used by 'luaP_isIT'
** bit 6: used by 'luaP_isOT'
** bit 7: instruction is an MM instruction (call a metamethod)
*/
@@ -427,12 +427,17 @@ LUAI_DDEC(const lu_byte luaP_opmodes[NUM_OPCODES];)
#define getOpMode(m) (cast(enum OpMode, luaP_opmodes[m] & 7))
#define testAMode(m) (luaP_opmodes[m] & (1 << 3))
#define testTMode(m) (luaP_opmodes[m] & (1 << 4))
#define testITMode(m) (luaP_opmodes[m] & (1 << 5))
#define testOTMode(m) (luaP_opmodes[m] & (1 << 6))
#define testMMMode(m) (luaP_opmodes[m] & (1 << 7))
LUAI_FUNC int luaP_isOT (Instruction i);
/* Check whether instruction sets top for next instruction, that is,
** it results in multiple values. Used only for tests.
*/
#define luaP_isOT(i) \
(GET_OPCODE(i) == OP_TAILCALL || \
((luaP_opmodes[GET_OPCODE(i)] & (1 << 6)) && GETARG_C(i) == 0))
LUAI_FUNC int luaP_isIT (Instruction i);