[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 17/18] tcg/arm: optimize register allocation orde
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 17/18] tcg/arm: optimize register allocation order |
Date: |
Sat, 10 Apr 2010 03:33:05 +0200 |
The beginning of the register allocation order list on the TCG arm
target matches the list of clobbered registers. This means that when an
helper is called, there is almost always clobbered registers that have
to be spilled.
Signed-off-by: Aurelien Jarno <address@hidden>
---
tcg/arm/tcg-target.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 06a822a..1e2028f 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -89,10 +89,6 @@ static const char * const
tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
#endif
static const int tcg_target_reg_alloc_order[] = {
- TCG_REG_R0,
- TCG_REG_R1,
- TCG_REG_R2,
- TCG_REG_R3,
TCG_REG_R4,
TCG_REG_R5,
TCG_REG_R6,
@@ -101,8 +97,12 @@ static const int tcg_target_reg_alloc_order[] = {
TCG_REG_R9,
TCG_REG_R10,
TCG_REG_R11,
- TCG_REG_R12,
TCG_REG_R13,
+ TCG_REG_R0,
+ TCG_REG_R1,
+ TCG_REG_R2,
+ TCG_REG_R3,
+ TCG_REG_R12,
TCG_REG_R14,
};
--
1.7.0.4
- [Qemu-devel] [PATCH v2 07/18] tcg/arm: sxtb and sxth are available starting with ARMv6, (continued)
- [Qemu-devel] [PATCH v2 07/18] tcg/arm: sxtb and sxth are available starting with ARMv6, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 03/18] tcg/arm: remove store signed functions, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 08/18] tcg/arm: use the blx instruction when possible, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 09/18] tcg/arm: add rotation ops, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 06/18] tcg/arm: add variables to define the allowed instructions set, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 10/18] tcg/arm: add ext16u op, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 11/18] tcg/arm: add bswap ops, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 12/18] tcg/arm: remove conditional argument for qemu_ld/st, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 16/18] tcg/arm: fix argument alignment in qemu_st64, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 18/18] tcg/arm: don't try to load constants using pc, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 17/18] tcg/arm: optimize register allocation order,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 13/18] tcg/arm: use ext* ops in qemu_ld, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 15/18] tcg/arm: remove useless register tests in qemu_ld/st, Aurelien Jarno, 2010/04/09
- [Qemu-devel] [PATCH v2 14/18] tcg/arm: bswap arguments in qemu_ld/st if needed, Aurelien Jarno, 2010/04/09