diff options
Diffstat (limited to 'generic/tclAssembly.h')
| -rw-r--r-- | generic/tclAssembly.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/generic/tclAssembly.h b/generic/tclAssembly.h index 6ea9137..c950dd8 100644 --- a/generic/tclAssembly.h +++ b/generic/tclAssembly.h @@ -43,25 +43,34 @@ typedef struct BasicBlock { typedef enum TalInstType { - ASSEM_1BYTE, /* The instructions that are directly mapped to tclInstructionTable in tclCompile.c*/ + ASSEM_1BYTE, /* Fixed arity, 1-byte instruction */ ASSEM_BOOL, /* One Boolean operand */ ASSEM_BOOL_LVT4,/* One Boolean, one 4-byte LVT ref. */ - ASSEM_CONCAT1, /* One 1-byte unsigned-integer operand count (CONCAT1) */ + ASSEM_CONCAT1, /* 1-byte unsigned-integer operand count, must be + * strictly positive, consumes N, produces 1 */ ASSEM_EVAL, /* 'eval' - evaluate a constant script (by compiling it * in line with the assembly code! I love Tcl!) */ - ASSEM_INVOKE, /* Command invocation, 1- or 4-byte unsigned operand - * count */ + ASSEM_INDEX, /* 4 byte operand, integer or end-integer */ + ASSEM_INVOKE, /* 1- or 4-byte operand count, must be strictly positive, + * consumes N, produces 1. */ ASSEM_JUMP, /* Jump instructions */ ASSEM_LABEL, /* The assembly directive that defines a label */ + ASSEM_LINDEX_MULTI, + /* 4-byte operand count, must be strictly positive, + * consumes N, produces 1 */ + ASSEM_LIST, /* 4-byte operand count, must be nonnegative, consumses N, + * produces 1 */ + ASSEM_LSET_FLAT,/* 4-byte operand count, must be >= 3, consumes N, + * produces 1 */ ASSEM_LVT, /* One operand that references a local variable */ ASSEM_LVT1, /* One 1-byte operand that references a local variable */ ASSEM_LVT1_SINT1, /* One 1-byte operand that references a local variable, * one signed-integer 1-byte operand */ ASSEM_LVT4, /* One 4-byte operand that references a local variable */ - ASSEM_OVER, /* OVER: consumes n+1 operands and produces n+2 */ - ASSEM_PUSH, /* These instructions will be looked up from talInstructionTable */ - ASSEM_REVERSE, /* REVERSE: consumes n operands and produces n */ + ASSEM_OVER, /* OVER: 4-byte operand count, consumes N+1, produces N+2 */ + ASSEM_PUSH, /* one literal operand */ + ASSEM_REVERSE, /* REVERSE: 4-byte operand count, consumes N, produces N */ ASSEM_SINT1, /* One 1-byte signed-integer operand (INCR_STK_IMM) */ } TalInstType; |