return false;
}
-static void tcg_out_ld_ptr(TCGContext *s, TCGReg ret, const void *arg)
-{
- intptr_t diff = tcg_tbrel_diff(s, arg);
- if (USE_REG_TB && check_fit_ptr(diff, 13)) {
- tcg_out_ld(s, TCG_TYPE_PTR, ret, TCG_REG_TB, diff);
- return;
- }
- tcg_out_movi(s, TCG_TYPE_PTR, ret, (uintptr_t)arg & ~0x3ff);
- tcg_out_ld(s, TCG_TYPE_PTR, ret, ret, (uintptr_t)arg & 0x3ff);
-}
-
static void tcg_out_sety(TCGContext *s, TCGReg rs)
{
tcg_out32(s, WRY | INSN_RS1(TCG_REG_G0) | INSN_RS2(rs));
switch (opc) {
case INDEX_op_goto_tb:
- if (s->tb_jmp_insn_offset) {
- /* direct jump method */
- if (USE_REG_TB) {
- /* make sure the patch is 8-byte aligned. */
- if ((intptr_t)s->code_ptr & 4) {
- tcg_out_nop(s);
- }
- s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
- tcg_out_sethi(s, TCG_REG_T1, 0);
- tcg_out_arithi(s, TCG_REG_T1, TCG_REG_T1, 0, ARITH_OR);
- tcg_out_arith(s, TCG_REG_G0, TCG_REG_TB, TCG_REG_T1, JMPL);
- tcg_out_arith(s, TCG_REG_TB, TCG_REG_TB, TCG_REG_T1, ARITH_ADD);
- } else {
- s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
- tcg_out32(s, CALL);
+ qemu_build_assert(TCG_TARGET_HAS_direct_jump);
+ /* Direct jump. */
+ if (USE_REG_TB) {
+ /* make sure the patch is 8-byte aligned. */
+ if ((intptr_t)s->code_ptr & 4) {
tcg_out_nop(s);
}
+ s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
+ tcg_out_sethi(s, TCG_REG_T1, 0);
+ tcg_out_arithi(s, TCG_REG_T1, TCG_REG_T1, 0, ARITH_OR);
+ tcg_out_arith(s, TCG_REG_G0, TCG_REG_TB, TCG_REG_T1, JMPL);
+ tcg_out_arith(s, TCG_REG_TB, TCG_REG_TB, TCG_REG_T1, ARITH_ADD);
} else {
- /* indirect jump method */
- tcg_out_ld_ptr(s, TCG_REG_TB, s->tb_jmp_target_addr + a0);
- tcg_out_arithi(s, TCG_REG_G0, TCG_REG_TB, 0, JMPL);
+ s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
+ tcg_out32(s, CALL);
tcg_out_nop(s);
}
set_jmp_reset_offset(s, a0);