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-rw-r--r--generic/tclExecute.c216
1 files changed, 79 insertions, 137 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index c7d0918..411cb8b 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -319,6 +319,70 @@ VarHashCreateVar(
} \
} while (0)
+#ifndef TCL_COMPILE_DEBUG
+#define JUMP_PEEPHOLE_F(condition, pcAdjustment, cleanup) \
+ do { \
+ pc += (pcAdjustment); \
+ switch (*pc) { \
+ case INST_JUMP_FALSE1: \
+ NEXT_INST_F(((condition)? 2 : TclGetInt1AtPtr(pc+1)), (cleanup), 0); \
+ case INST_JUMP_TRUE1: \
+ NEXT_INST_F(((condition)? TclGetInt1AtPtr(pc+1) : 2), (cleanup), 0); \
+ case INST_JUMP_FALSE4: \
+ NEXT_INST_F(((condition)? 5 : TclGetInt4AtPtr(pc+1)), (cleanup), 0); \
+ case INST_JUMP_TRUE4: \
+ NEXT_INST_F(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \
+ default: \
+ if ((condition) < 0) { \
+ TclNewIntObj(objResultPtr, -1); \
+ } else { \
+ objResultPtr = TCONST((condition) > 0); \
+ } \
+ NEXT_INST_F(0, (cleanup), 1); \
+ } \
+ } while (0)
+#define JUMP_PEEPHOLE_V(condition, pcAdjustment, cleanup) \
+ do { \
+ pc += (pcAdjustment); \
+ switch (*pc) { \
+ case INST_JUMP_FALSE1: \
+ NEXT_INST_V(((condition)? 2 : TclGetInt1AtPtr(pc+1)), (cleanup), 0); \
+ case INST_JUMP_TRUE1: \
+ NEXT_INST_V(((condition)? TclGetInt1AtPtr(pc+1) : 2), (cleanup), 0); \
+ case INST_JUMP_FALSE4: \
+ NEXT_INST_V(((condition)? 5 : TclGetInt4AtPtr(pc+1)), (cleanup), 0); \
+ case INST_JUMP_TRUE4: \
+ NEXT_INST_V(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \
+ default: \
+ if ((condition) < 0) { \
+ TclNewIntObj(objResultPtr, -1); \
+ } else { \
+ objResultPtr = TCONST((condition) > 0); \
+ } \
+ NEXT_INST_V(0, (cleanup), 1); \
+ } \
+ } while (0)
+#else /* TCL_COMPILE_DEBUG */
+#define JUMP_PEEPHOLE_F(condition, pcAdjustment, cleanup) \
+ do{ \
+ if ((condition) < 0) { \
+ TclNewIntObj(objResultPtr, -1); \
+ } else { \
+ objResultPtr = TCONST((condition) > 0); \
+ } \
+ NEXT_INST_F((pcAdjustment), (cleanup), 1); \
+ } while (0)
+#define JUMP_PEEPHOLE_V(condition, pcAdjustment, cleanup) \
+ do{ \
+ if ((condition) < 0) { \
+ TclNewIntObj(objResultPtr, -1); \
+ } else { \
+ objResultPtr = TCONST((condition) > 0); \
+ } \
+ NEXT_INST_V((pcAdjustment), (cleanup), 1); \
+ } while (0)
+#endif
+
/*
* Macros used to cache often-referenced Tcl evaluation stack information
* in local variables. Note that a DECACHE_STACK_INFO()-CACHE_STACK_INFO()
@@ -3813,22 +3877,8 @@ TEBCresume(
afterExistsPeephole: {
int found = (varPtr && !TclIsVarUndefined(varPtr));
- pc += pcAdjustment;
-#ifndef TCL_COMPILE_DEBUG
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_V((found? 2 : TclGetInt1AtPtr(pc+1)), cleanup, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_V((found? TclGetInt1AtPtr(pc+1) : 2), cleanup, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_V((found? 5 : TclGetInt4AtPtr(pc+1)), cleanup, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_V((found? TclGetInt4AtPtr(pc+1) : 5), cleanup, 0);
- }
-#endif
- objResultPtr = TCONST(found ? 1 : 0);
- TRACE_APPEND(("%.30s\n", O2S(objResultPtr)));
- NEXT_INST_V(0, cleanup, 1);
+ TRACE_APPEND(("%d\n", found ? 1 : 0));
+ JUMP_PEEPHOLE_V(found, pcAdjustment, cleanup);
}
/*
@@ -4820,21 +4870,7 @@ TEBCresume(
* for branching.
*/
- pc++;
-#ifndef TCL_COMPILE_DEBUG
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((match ? 2 : TclGetInt1AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((match ? TclGetInt1AtPtr(pc+1) : 2), 2, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((match ? 5 : TclGetInt4AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((match ? TclGetInt4AtPtr(pc+1) : 5), 2, 0);
- }
-#endif
- objResultPtr = TCONST(match);
- NEXT_INST_F(0, 2, 1);
+ JUMP_PEEPHOLE_F(match, 1, 2);
case INST_LIST_CONCAT:
value2Ptr = OBJ_AT_TOS;
@@ -4988,27 +5024,10 @@ TEBCresume(
}
}
-#ifndef TCL_COMPILE_DEBUG
- switch (*(pc+1)) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((match? 3 : TclGetInt1AtPtr(pc+2)+1), 2, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((match? TclGetInt1AtPtr(pc+2)+1 : 3), 2, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((match? 6 : TclGetInt4AtPtr(pc+2)+1), 2, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((match? TclGetInt4AtPtr(pc+2)+1 : 6), 2, 0);
- }
-#endif
+ TRACE(("%.20s %.20s => %d\n", O2S(valuePtr), O2S(value2Ptr),
+ (match < 0 ? -1 : match > 0 : 1 : 0)));
- if (match < 0) {
- TclNewIntObj(objResultPtr, -1);
- } else {
- objResultPtr = TCONST(match > 0);
- }
- TRACE(("%.20s %.20s => %s\n", O2S(valuePtr), O2S(value2Ptr),
- O2S(objResultPtr)));
- NEXT_INST_F(1, 2, 1);
+ JUMP_PEEPHOLE_F(match, 1, 2);
case INST_STR_LEN:
valuePtr = OBJ_AT_TOS;
@@ -5268,21 +5287,7 @@ TEBCresume(
* Peep-hole optimisation: if you're about to jump, do jump from here.
*/
- pc += 2;
-#ifndef TCL_COMPILE_DEBUG
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((match? 2 : TclGetInt1AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((match? TclGetInt1AtPtr(pc+1) : 2), 2, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((match? 5 : TclGetInt4AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((match? TclGetInt4AtPtr(pc+1) : 5), 2, 0);
- }
-#endif
- objResultPtr = TCONST(match);
- NEXT_INST_F(0, 2, 1);
+ JUMP_PEEPHOLE_F(match, 2, 2);
case INST_REGEXP:
cflags = TclGetInt1AtPtr(pc+1); /* RE compile flages like NOCASE */
@@ -5321,21 +5326,7 @@ TEBCresume(
* Adjustment is 2 due to the nocase byte.
*/
- pc += 2;
-#ifndef TCL_COMPILE_DEBUG
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((match? 2 : TclGetInt1AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((match? TclGetInt1AtPtr(pc+1) : 2), 2, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((match? 5 : TclGetInt4AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((match? TclGetInt4AtPtr(pc+1) : 5), 2, 0);
- }
-#endif
- objResultPtr = TCONST(match);
- NEXT_INST_F(0, 2, 1);
+ JUMP_PEEPHOLE_F(match, 2, 2);
}
/*
@@ -5433,21 +5424,7 @@ TEBCresume(
*/
foundResult:
- pc++;
-#ifndef TCL_COMPILE_DEBUG
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((iResult? 2 : TclGetInt1AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((iResult? TclGetInt1AtPtr(pc+1) : 2), 2, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((iResult? 5 : TclGetInt4AtPtr(pc+1)), 2, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((iResult? TclGetInt4AtPtr(pc+1) : 5), 2, 0);
- }
-#endif
- objResultPtr = TCONST(iResult);
- NEXT_INST_F(0, 2, 1);
+ JUMP_PEEPHOLE_F(iResult, 1, 2);
}
case INST_MOD:
@@ -6535,7 +6512,8 @@ TEBCresume(
found = 0;
}
afterDictExists:
-#ifndef TCL_COMPILE_DEBUG
+ TRACE_APPEND(("%d\n", found));
+
/*
* The INST_DICT_EXISTS instruction is usually followed by a
* conditional jump, so we can take advantage of this to do some
@@ -6543,24 +6521,7 @@ TEBCresume(
* someone doing something else).
*/
- pc += 5;
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_V((found ? 2 : TclGetInt1AtPtr(pc+1)), opnd+1, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_V((found ? 5 : TclGetInt4AtPtr(pc+1)), opnd+1, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_V((found ? TclGetInt1AtPtr(pc+1) : 2), opnd+1, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_V((found ? TclGetInt4AtPtr(pc+1) : 5), opnd+1, 0);
- default:
- pc -= 5;
- /* fall through to non-debug handling */
- }
-#endif
- TRACE_APPEND(("%d\n", found));
- objResultPtr = TCONST(found);
- NEXT_INST_V(5, opnd+1, 1);
+ JUMP_PEEPHOLE_V(found, 5, opnd+1);
}
case INST_DICT_SET:
@@ -6851,8 +6812,9 @@ TEBCresume(
PUSH_OBJECT(valuePtr);
PUSH_OBJECT(keyPtr);
}
+ TRACE_APPEND(("\"%.30s\" \"%.30s\" %d\n",
+ O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), done));
-#ifndef TCL_COMPILE_DEBUG
/*
* The INST_DICT_FIRST and INST_DICT_NEXT instructsions are always
* followed by a conditional jump, so we can take advantage of this to
@@ -6860,27 +6822,7 @@ TEBCresume(
* out someone doing something else).
*/
- pc += 5;
- switch (*pc) {
- case INST_JUMP_FALSE1:
- NEXT_INST_F((done ? 2 : TclGetInt1AtPtr(pc+1)), 0, 0);
- case INST_JUMP_FALSE4:
- NEXT_INST_F((done ? 5 : TclGetInt4AtPtr(pc+1)), 0, 0);
- case INST_JUMP_TRUE1:
- NEXT_INST_F((done ? TclGetInt1AtPtr(pc+1) : 2), 0, 0);
- case INST_JUMP_TRUE4:
- NEXT_INST_F((done ? TclGetInt4AtPtr(pc+1) : 5), 0, 0);
- default:
- pc -= 5;
- /* fall through to non-debug handling */
- }
-#endif
-
- TRACE_APPEND(("\"%.30s\" \"%.30s\" %d\n",
- O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), done));
- objResultPtr = TCONST(done);
- /* TODO: consider opt like INST_FOREACH_STEP4 */
- NEXT_INST_F(5, 0, 1);
+ JUMP_PEEPHOLE_F(done, 5, 0);
case INST_DICT_UPDATE_START:
opnd = TclGetUInt4AtPtr(pc+1);
generated by cgit v0.12 at 2024-11-24 00:19:13 (GMT)