diff options
| -rw-r--r-- | generic/tclExecute.c | 216 |
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); |