diff options
Diffstat (limited to 'modules/alg_ia32/asm_macr.h')
| -rw-r--r-- | modules/alg_ia32/asm_macr.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/modules/alg_ia32/asm_macr.h b/modules/alg_ia32/asm_macr.h index faa55aa96..8b2224103 100644 --- a/modules/alg_ia32/asm_macr.h +++ b/modules/alg_ia32/asm_macr.h @@ -40,9 +40,20 @@ func_name: cmpl IMM(NUM), REG; \ jne LABEL##_LOOP -#define LOOP_UNTIL(REG, NUM, LABEL) \ - cmpl NUM, REG; \ - jne LABEL##_LOOP +#define LOOP_UNTIL_LT(REG, NUM, LABEL) \ + cmpl IMM(NUM), REG; \ + jge LABEL##_LOOP + +/************************************************* + Conditional Jumps * +*************************************************/ +#define JUMP_IF_ZERO(REG, LABEL) \ + cmpl IMM(0), REG; \ + jz LABEL + +#define JUMP_IF_LT(REG, NUM, LABEL) \ + cmpl IMM(NUM), REG; \ + jl LABEL /************************************************* * Register Names * @@ -89,9 +100,11 @@ func_name: #define ADD(TO, FROM) addl FROM, TO #define ADD_IMM(TO, NUM) addl IMM(NUM), TO +#define ADD_W_CARRY(TO1, TO2, FROM) addl FROM, TO1; adcl IMM(0), TO2; #define SUB_IMM(TO, NUM) subl IMM(NUM), TO #define ADD2_IMM(TO, FROM, NUM) leal NUM(FROM), TO #define ADD3_IMM(TO, FROM, NUM) leal NUM(TO,FROM,1), TO +#define MUL(REG) mull REG #define CLEAR_CARRY() clc |