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| author | Michael Matz <matz@suse.de> | 2016-05-11 23:45:14 +0200 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2016-05-11 23:45:14 +0200 |
| commit | f3cee9ceffb2c11872df20b8a8e4d2188fe81832 (patch) | |
| tree | d750f821444fa1e02ec4fc3c0654fee01934761f /i386-asm.c | |
| parent | 55bd08c5aedf67707eeed4c0e6be2b2c7abefb28 (diff) | |
| download | tinycc-f3cee9ceffb2c11872df20b8a8e4d2188fe81832.tar.gz tinycc-f3cee9ceffb2c11872df20b8a8e4d2188fe81832.tar.bz2 | |
x86-asm: Get rid of is_short_jump
Can be implemented differently.
Diffstat (limited to 'i386-asm.c')
| -rw-r--r-- | i386-asm.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -499,7 +499,7 @@ static inline void asm_modrm(int reg, Operand *op) ST_FUNC void asm_opcode(TCCState *s1, int opcode) { const ASMInstr *pa; - int i, modrm_index, reg, v, op1, is_short_jmp, seg_prefix; + int i, modrm_index, reg, v, op1, seg_prefix; int nb_ops, s; Operand ops[MAX_OPERANDS], *pop; int op_type[3]; /* decoded op type */ @@ -540,7 +540,6 @@ ST_FUNC void asm_opcode(TCCState *s1, int opcode) next(); } - is_short_jmp = 0; s = 0; /* avoid warning */ /* optimize matching by using a lookup table (no hashing is needed @@ -759,8 +758,9 @@ ST_FUNC void asm_opcode(TCCState *s1, int opcode) jmp_disp = ops[0].e.v + sym->jnext - ind - 2 - (v >= 0xff); if (jmp_disp == (int8_t)jmp_disp) { /* OK to generate jump */ - is_short_jmp = 1; + ops[0].e.sym = 0; ops[0].e.v = jmp_disp; + op_type[0] = OP_IM8S; } else { no_short_jump: if (pa->instr_type & OPC_JMP) { @@ -861,10 +861,7 @@ ST_FUNC void asm_opcode(TCCState *s1, int opcode) gen_le16(ops[i].e.v); } else { if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { - if (is_short_jmp) - g(ops[i].e.v); - else - gen_disp32(&ops[i].e); + gen_disp32(&ops[i].e); } else { #ifdef TCC_TARGET_X86_64 if (v & OP_IM64) |