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[Qemu-devel] [PATCH v3 08/26] tcg: always mark dead input arguments as d
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v3 08/26] tcg: always mark dead input arguments as dead |
Date: |
Fri, 19 Oct 2012 23:38:57 +0200 |
Always mark dead input arguments as dead, even if the op is at the basic
block end. This will allow to check that all temps are correctly saved.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
tcg/tcg.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index b219a6d..d81b628 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1874,16 +1874,16 @@ static void tcg_reg_alloc_op(TCGContext *s,
iarg_end: ;
}
+ /* mark dead temporaries and free the associated registers */
+ for (i = nb_oargs; i < nb_oargs + nb_iargs; i++) {
+ if (IS_DEAD_ARG(i)) {
+ temp_dead(s, args[i]);
+ }
+ }
+
if (def->flags & TCG_OPF_BB_END) {
tcg_reg_alloc_bb_end(s, allocated_regs);
} else {
- /* mark dead temporaries and free the associated registers */
- for(i = nb_oargs; i < nb_oargs + nb_iargs; i++) {
- if (IS_DEAD_ARG(i)) {
- temp_dead(s, args[i]);
- }
- }
-
if (def->flags & TCG_OPF_CALL_CLOBBER) {
/* XXX: permit generic clobber register list ? */
for(reg = 0; reg < TCG_TARGET_NB_REGS; reg++) {
--
1.7.10.4
- [Qemu-devel] [PATCH v3 06/26] tcg: improve tcg_reg_alloc_movi(), (continued)
- [Qemu-devel] [PATCH v3 06/26] tcg: improve tcg_reg_alloc_movi(), Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 15/26] target-alpha: rename helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 24/26] target-sparc: rename helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH 07/26] tcg: rewrite tcg_reg_alloc_mov(), Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 20/26] target-mips: rename helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 26/26] tcg: remove compatiblity call flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 19/26] target-microblaze: rename helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 14/26] tcg: rework TCG helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 04/26] tcg: sync output arguments on liveness request, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 03/26] tcg: add temp_sync(), Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 08/26] tcg: always mark dead input arguments as dead,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v3 12/26] tcg: forbid ld/st function to modify globals, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 13/26] tcg: synchronize globals for ops with side effects, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 10/26] tcg: don't explicitly save globals and temps, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 16/26] target-arm: rename helper flags, Aurelien Jarno, 2012/10/19
- [Qemu-devel] [PATCH v3 22/26] target-s390x: rename helper flags, Aurelien Jarno, 2012/10/19
- Re: [Qemu-devel] [PATCH v3 00/26] tcg: rework liveness analysis and register allocator, Richard Henderson, 2012/10/21