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authorSergey Fedorov <serge.fdrv@gmail.com>2016-04-10 23:35:45 +0300
committerRichard Henderson <rth@twiddle.net>2016-05-12 14:06:41 -1000
commitf309101c26b59641fc1aa8fb2a98a5441cdaea03 (patch)
tree9c0509fddf84c84027cc9bf8292219c3dbe62c12 /tcg/mips/tcg-target.inc.c
parent7ba6a512ae439c98c0c1f0f4348c079d90f9dd9d (diff)
downloadqemu-arm-f309101c26b59641fc1aa8fb2a98a5441cdaea03.tar.gz
tcg: Clean up direct block chaining data fields
Briefly describe in a comment how direct block chaining is done. It should help in understanding of the following data fields. Rename some fields in TranslationBlock and TCGContext structures to better reflect their purpose (dropping excessive 'tb_' prefix in TranslationBlock but keeping it in TCGContext): tb_next_offset => jmp_reset_offset tb_jmp_offset => jmp_insn_offset tb_next => jmp_target_addr jmp_next => jmp_list_next jmp_first => jmp_list_first Avoid using a magic constant as an invalid offset which is used to indicate that there's no n-th jump generated. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/mips/tcg-target.inc.c')
-rw-r--r--tcg/mips/tcg-target.inc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c
index 1e5a6b41fa..50e98ea63a 100644
--- a/tcg/mips/tcg-target.inc.c
+++ b/tcg/mips/tcg-target.inc.c
@@ -1397,19 +1397,19 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
case INDEX_op_goto_tb:
- if (s->tb_jmp_offset) {
+ if (s->tb_jmp_insn_offset) {
/* direct jump method */
- s->tb_jmp_offset[a0] = tcg_current_code_size(s);
+ s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
/* Avoid clobbering the address during retranslation. */
tcg_out32(s, OPC_J | (*(uint32_t *)s->code_ptr & 0x3ffffff));
} else {
/* indirect jump method */
tcg_out_ld(s, TCG_TYPE_PTR, TCG_TMP0, TCG_REG_ZERO,
- (uintptr_t)(s->tb_next + a0));
+ (uintptr_t)(s->tb_jmp_target_addr + a0));
tcg_out_opc_reg(s, OPC_JR, 0, TCG_TMP0, 0);
}
tcg_out_nop(s);
- s->tb_next_offset[a0] = tcg_current_code_size(s);
+ s->tb_jmp_reset_offset[a0] = tcg_current_code_size(s);
break;
case INDEX_op_br:
tcg_out_brcond(s, TCG_COND_EQ, TCG_REG_ZERO, TCG_REG_ZERO,