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[Qemu-devel] [PATCH v2 18/18] tcg/arm: don't try to load constants using
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 18/18] tcg/arm: don't try to load constants using pc |
Date: |
Sat, 10 Apr 2010 03:33:06 +0200 |
There is statistically almost 0 chances to use this code, so
remove it.
Signed-off-by: Aurelien Jarno <address@hidden>
---
tcg/arm/tcg-target.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 1e2028f..33c780b 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -396,19 +396,12 @@ static inline void tcg_out_dat_imm(TCGContext *s,
static inline void tcg_out_movi32(TCGContext *s,
int cond, int rd, int32_t arg)
{
- int offset = (uint32_t) arg - ((uint32_t) s->code_ptr + 8);
-
/* TODO: This is very suboptimal, we can easily have a constant
* pool somewhere after all the instructions. */
if (arg < 0 && arg > -0x100)
return tcg_out_dat_imm(s, cond, ARITH_MVN, rd, 0, (~arg) & 0xff);
- if (offset < 0x100 && offset > -0x100)
- return offset >= 0 ?
- tcg_out_dat_imm(s, cond, ARITH_ADD, rd, 15, offset) :
- tcg_out_dat_imm(s, cond, ARITH_SUB, rd, 15, -offset);
-
if (use_armv7_instructions) {
/* use movw/movt */
/* movw */
--
1.7.0.4
- [Qemu-devel] [PATCH v2 02/18] tcg/arm: explicitely list clobbered/reserved regs, (continued)
- [Qemu-devel] [PATCH v2 02/18] tcg/arm: explicitely list clobbered/reserved regs, Aurelien Jarno, 2010/04/09
- [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 <=
- [Qemu-devel] [PATCH v2 17/18] tcg/arm: optimize register allocation order, Aurelien Jarno, 2010/04/09
- [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