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author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 14:23:48 +0000 |
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committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 14:23:48 +0000 |
commit | 727081f99a5065787dd3d035f92ef9f502f3622c (patch) | |
tree | e5989948e5a8d46c78345e09d5f8b80f1600efda /lib/inst.c | |
parent | 90fb9816b495167c66f40284b66a9d4da22ae769 (diff) | |
download | ovm-727081f99a5065787dd3d035f92ef9f502f3622c.tar.gz ovm-727081f99a5065787dd3d035f92ef9f502f3622c.tar.bz2 ovm-727081f99a5065787dd3d035f92ef9f502f3622c.zip |
Removed OP_EQ signed versions as they're useless
A negative number under 2s complement can never be equal to its
positive as the top bit *must* be on. If two numbers are equivalent
bit-by-bit then they are equal for both signed and unsigned numbers.
Diffstat (limited to 'lib/inst.c')
-rw-r--r-- | lib/inst.c | 17 |
1 files changed, 4 insertions, 13 deletions
@@ -108,18 +108,9 @@ const char *opcode_as_cstr(opcode_t code) case OP_EQ_BYTE: return "EQ_BYTE"; break; - case OP_EQ_CHAR: - return "EQ_CHAR"; - break; - case OP_EQ_INT: - return "EQ_INT"; - break; case OP_EQ_HWORD: return "EQ_HWORD"; break; - case OP_EQ_LONG: - return "EQ_LONG"; - break; case OP_EQ_WORD: return "EQ_WORD"; break; @@ -270,7 +261,7 @@ void data_print(data_t datum, data_type_t type, FILE *fp) void inst_print(inst_t instruction, FILE *fp) { - static_assert(NUMBER_OF_OPCODES == 73, "inst_bytecode_size: Out of date"); + static_assert(NUMBER_OF_OPCODES == 70, "inst_bytecode_size: Out of date"); fprintf(fp, "%s(", opcode_as_cstr(instruction.opcode)); if (OPCODE_IS_TYPE(instruction.opcode, OP_PUSH)) { @@ -300,7 +291,7 @@ void inst_print(inst_t instruction, FILE *fp) size_t inst_bytecode_size(inst_t inst) { - static_assert(NUMBER_OF_OPCODES == 73, "inst_bytecode_size: Out of date"); + static_assert(NUMBER_OF_OPCODES == 70, "inst_bytecode_size: Out of date"); size_t size = 1; // for opcode if (OPCODE_IS_TYPE(inst.opcode, OP_PUSH)) { @@ -324,7 +315,7 @@ size_t inst_bytecode_size(inst_t inst) void inst_write_bytecode(inst_t inst, darr_t *darr) { - static_assert(NUMBER_OF_OPCODES == 73, "inst_write_bytecode: Out of date"); + static_assert(NUMBER_OF_OPCODES == 70, "inst_write_bytecode: Out of date"); // Append opcode darr_append_byte(darr, inst.opcode); // Then append 0 or more operands @@ -398,7 +389,7 @@ data_t read_type_from_darr(darr_t *darr, data_type_t type) inst_t inst_read_bytecode(darr_t *darr) { - static_assert(NUMBER_OF_OPCODES == 73, "inst_read_bytecode: Out of date"); + static_assert(NUMBER_OF_OPCODES == 70, "inst_read_bytecode: Out of date"); if (darr->used >= darr->available) return (inst_t){0}; inst_t inst = {0}; |