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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH v2 59/60] target-i386: Tidy ljmp
Date: Fri, 29 Nov 2013 16:00:46 +1300	[thread overview]
Message-ID: <1385694047-6116-60-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1385694047-6116-1-git-send-email-rth@twiddle.net>

Remove an unnecessary move opcode.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-i386/translate.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target-i386/translate.c b/target-i386/translate.c
index fcf4c67..1a52c51 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -4803,8 +4803,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
                                           tcg_const_i32(s->pc - pc_start));
             } else {
                 gen_op_movl_seg_T0_vm(R_CS);
-                tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
-                gen_op_jmp_v(cpu_T[0]);
+                gen_op_jmp_v(cpu_T[1]);
             }
             gen_eob(s);
             break;
-- 
1.8.3.1

  parent reply	other threads:[~2013-11-29  3:05 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-29  2:59 [Qemu-devel] [PATCH v2 00/60] target-i386 improvements Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 01/60] exec: Delay CPU_LOG_TB_CPU until we actually execute a TB Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 02/60] target-i386: Push DisasContext into load/store helpers Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 03/60] target-i386: Stop encoding DisasContext.mem_index Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 04/60] target-i386: Use new tcg_gen_qemu_ld_* helpers Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 05/60] target-i386: Use new tcg_gen_qemu_st_* helpers Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 06/60] target-i386: Replace OT_* constants with MO_* constants Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 07/60] target-i386: Remove gen_op_ld_T0_A0 Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 08/60] target-i386: Remove gen_op_ldu_T0_A0 Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 09/60] target-i386: Remove gen_op_ld_T1_A0 Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 10/60] target-i386: Remove gen_op_lds_T0_A0 Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 11/60] target-i386: Introduce gen_op_st_rm_T0_A0 Richard Henderson
2013-11-29  2:59 ` [Qemu-devel] [PATCH v2 12/60] target-i386: Remove gen_op_st_T0_A0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 13/60] target-i386: Remove gen_op_st_T1_A0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 14/60] target-i386: Fix typo in gen_push_T1 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 15/60] target-i386: Tidy mov[sz][bw] Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 16/60] target-i386: Tidy movsl Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 17/60] target-i386: Remove unused arguments to gen_lea_modrm Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 18/60] target-i386: Use MO_BE for movbe Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 19/60] target-i386: Tidy gen_op_mov_TN_reg+tcg_gen_trunc_tl_i32 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 20/60] target-i386: Tidy load + truncate Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 21/60] target-i386: Tidy extend + store Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 22/60] target-i386: Tidy extend + move Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 23/60] target-i386: Remove gen_op_movl_T0_0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 24/60] target-i386: Remove gen_op_movl_T0_im* Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 25/60] " Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 26/60] target-i386: Remove gen_op_mov*_A0_im Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 27/60] target-i386: Remove gen_movtl_T*_im Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 28/60] target-i386: Remove gen_op_andl_T0_ffff Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 29/60] target-i386: Remove gen_op_andl_T0_im Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 30/60] target-i386: Remove gen_op_movl_T0_T1 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 31/60] target-i386: Remove gen_op_andl_A0_ffff Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 32/60] target-i386: Use TCGMemOp for 'ot' variables Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 33/60] target-i386: Change gen_op_add_reg_* size parameter to TCGMemOp Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 34/60] target-i386: Change gen_op_j*z_ecx " Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 35/60] target-i386: Change aflag " Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 36/60] target-i386: Change gen_op_mov_reg_A0 size parameter " Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 37/60] target-i386: Change dflag " Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 38/60] target-i386: Tidy addr16 code in gen_lea_modrm Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 39/60] target-i386: Combine gen_push_T* into gen_push_v Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 40/60] target_i386: Clean up gen_pop_T0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 41/60] target-i386: Create gen_lea_v_seg Richard Henderson
2013-12-26 18:38   ` Peter Maydell
2013-12-26 19:31     ` Richard Henderson
2013-12-26 21:27       ` Peter Maydell
2013-12-26 21:31         ` Peter Maydell
2013-12-27 14:49         ` Richard Henderson
2013-12-27 16:06           ` Peter Maydell
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 42/60] target-i386: Use gen_lea_v_seg in gen_lea_modrm Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 43/60] target-i386: Use gen_lea_v_seg in stack subroutines Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 44/60] target-i386: Tidy cpu_regs initialization Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 45/60] target-i386: Access segs via TCG registers Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 46/60] target-i386: Use gen_lea_v_seg in pusha/popa Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 47/60] target-i386: Rewrite gen_enter inline Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 48/60] target-i386: Introduce mo_stacksize Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 49/60] target-i386: Rewrite leave Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 50/60] target-i386: Remove gen_op_mov_reg_T0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 51/60] target-i386: Remove gen_op_mov_reg_T1 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 52/60] target-i386: Remove gen_op_addl_T0_T1 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 53/60] target-i386: Remove gen_op_mov_TN_reg Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 54/60] target-i386: Remove gen_op_mov_reg_A0 Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 55/60] target-i386: Remove gen_op_movl_A0_reg Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 56/60] target-i386: Tidy gen_add_A0_im Richard Henderson
2013-12-26 18:58   ` Peter Maydell
2013-12-26 19:10     ` Richard Henderson
2013-12-26 22:34       ` Peter Maydell
2013-12-27 15:17         ` Richard Henderson
2013-12-27 15:32           ` Peter Maydell
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 57/60] target-i386: Tidy some size computation Richard Henderson
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 58/60] target-i386: Rename gen_op_jmp_T0 to gen_op_jmp_v Richard Henderson
2013-11-29  3:00 ` Richard Henderson [this message]
2013-11-29  3:00 ` [Qemu-devel] [PATCH v2 60/60] target-i386: Deconstruct the cpu_T array Richard Henderson
2013-12-23 20:15 ` [Qemu-devel] [PATCH v2 00/60] target-i386 improvements Richard Henderson
2013-12-23 22:54   ` Peter Maydell
2013-12-26 19:03     ` Peter Maydell

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