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[Qemu-devel] [PATCH v2 30/36] target-microblaze: Simplify address comput
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [PATCH v2 30/36] target-microblaze: Simplify address computation using tcg_gen_addi_i32() |
Date: |
Tue, 8 May 2018 19:31:46 +0200 |
From: "Edgar E. Iglesias" <address@hidden>
Simplify address computation using tcg_gen_addi_i32().
tcg_gen_addi_i32() already optimizes the case when the
immediate is zero.
No functional change.
Suggested-by: Richard Henderson <address@hidden>
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
target/microblaze/translate.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index bed86dc805..a987444f19 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -895,12 +895,7 @@ static inline void compute_ldst_addr(DisasContext *dc,
bool ea, TCGv t)
/* Immediate. */
t32 = tcg_temp_new_i32();
if (!extimm) {
- if (dc->imm == 0) {
- tcg_gen_mov_i32(t32, cpu_R[dc->ra]);
- } else {
- tcg_gen_movi_i32(t32, (int32_t)((int16_t)dc->imm));
- tcg_gen_add_i32(t32, cpu_R[dc->ra], t32);
- }
+ tcg_gen_addi_i32(t32, cpu_R[dc->ra], (int16_t)dc->imm);
} else {
tcg_gen_add_i32(t32, cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
--
2.14.1
- [Qemu-devel] [PATCH v2 26/36] target-microblaze: mmu: Prepare for 64-bit addresses, (continued)
- [Qemu-devel] [PATCH v2 26/36] target-microblaze: mmu: Prepare for 64-bit addresses, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 24/36] target-microblaze: mmu: Add R_TBLX_MISS macros, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 27/36] target-microblaze: mmu: Add a configurable output address mask, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 29/36] target-microblaze: Allow address sizes between 32 and 64 bits, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 28/36] target-microblaze: Add support for extended access to TLBLO, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 30/36] target-microblaze: Simplify address computation using tcg_gen_addi_i32(),
Edgar E. Iglesias <=
- [Qemu-devel] [PATCH v2 33/36] target-microblaze: Remove argument b in eval_cc(), Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 32/36] target-microblaze: Use table based condition-codes conversion, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 31/36] target-microblaze: mmu: Cleanup debug log messages, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 35/36] target-microblaze: Convert env_btarget to i64, Edgar E. Iglesias, 2018/05/08
- [Qemu-devel] [PATCH v2 36/36] target-microblaze: Use tcg_gen_movcond in eval_cond_jmp, Edgar E. Iglesias, 2018/05/08