motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-10 02:54:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

tcg: Change generator-side labels to a pointer

Browse source 
This is less about improved type checking than enabling a
subsequent change to the representation of labels.

Acked-by: Claudio Fontana <claudio.fontana@huawei.com>
Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-02-13 13:39:54 -08:00
parent 42a268c241
commit bec1631100
10 changed files with 108 additions and 125 deletions
Download patch file Download diff file Expand all files Collapse all files

9
tcg/tcg.c
View file

@ -208,12 +208,10 @@ static __attribute__((unused)) inline void tcg_patch64(tcg_insn_unit *p,
/* label relocation processing */
static void tcg_out_reloc(TCGContext *s, tcg_insn_unit *code_ptr, int type,
int label_index, intptr_t addend)
TCGLabel *l, intptr_t addend)
{
TCGLabel *l;
TCGRelocation *r;
l = &s->labels[label_index];
if (l->has_value) {
/* FIXME: This may break relocations on RISC targets that
modify instruction fields in place. The caller may not have
@ -230,9 +228,8 @@ static void tcg_out_reloc(TCGContext *s, tcg_insn_unit *code_ptr, int type,
}
}
static void tcg_out_label(TCGContext *s, int label_index, tcg_insn_unit *ptr)
static void tcg_out_label(TCGContext *s, TCGLabel *l, tcg_insn_unit *ptr)
{
TCGLabel *l = &s->labels[label_index];
intptr_t value = (intptr_t)ptr;
TCGRelocation *r;
@ -2333,7 +2330,7 @@ static inline int tcg_gen_code_common(TCGContext *s,
break;
case INDEX_op_set_label:
tcg_reg_alloc_bb_end(s, s->reserved_regs);
tcg_out_label(s, args[0], s->code_ptr);
tcg_out_label(s, arg_label(args[0]), s->code_ptr);
break;
case INDEX_op_call:
tcg_reg_alloc_call(s, op->callo, op->calli, args,