From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>
Subject: [Qemu-devel] [PATCH 19/23] target-sparc: Use movcond in mulscc
Date: Fri, 5 Oct 2012 16:55:06 -0700 [thread overview]
Message-ID: <1349481310-9237-20-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1349481310-9237-1-git-send-email-rth@twiddle.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
target-sparc/translate.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 98efb84..614905e 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -582,22 +582,21 @@ static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
{
- TCGv r_temp;
- int l1;
+ TCGv r_temp, zero;
- l1 = gen_new_label();
r_temp = tcg_temp_new();
/* old op:
if (!(env->y & 1))
T1 = 0;
*/
+ zero = tcg_const_tl(0);
tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
- tcg_gen_brcondi_tl(TCG_COND_NE, r_temp, 0, l1);
- tcg_gen_movi_tl(cpu_cc_src2, 0);
- gen_set_label(l1);
+ tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
+ zero, cpu_cc_src2);
+ tcg_temp_free(zero);
// b2 = T0 & 1;
// env->y = (b2 << 31) | (env->y >> 1);
--
1.7.11.4
next prev parent reply other threads:[~2012-10-05 23:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-05 23:54 [Qemu-devel] [PATCH 00/23] target-sparc comparison improvements Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 01/23] target-sparc: Tidy cpu_dump_state Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 02/23] target-sparc: Make CPU_LOG_INT useful by default Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 03/23] target-sparc: Tidy do_branch interfaces Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 04/23] target-sparc: Tidy flush_cond interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 05/23] target-sparc: Tidy gen_trap_ifnofpu interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 06/23] target-sparc: Tidy save_state interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 07/23] target-sparc: Tidy gen_mov_pc_npc interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 08/23] target-sparc: Tidy save_npc interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 09/23] target-sparc: Tidy gen_generic_branch interface Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 10/23] target-sparc: Introduce DisasCompare and functions to generate it Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 11/23] target-sparc: Use DisasCompare in Tcc Richard Henderson
2012-10-05 23:54 ` [Qemu-devel] [PATCH 12/23] target-sparc: Use DisasCompare and movcond in FMOVR, FMOVCC Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 13/23] target-sparc: Use DisasCompare and movcond in MOVCC Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 14/23] target-sparc: Use DisasCompare and movcond in MOVR Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 15/23] target-sparc: Use movcond in gen_generic_branch Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 16/23] target-sparc: Move sdivx and udivx out of line Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 17/23] target-sparc: Tidy Tcc Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 18/23] target-sparc: Move taddcctv and tsubcctv out of line Richard Henderson
2012-10-05 23:55 ` Richard Henderson [this message]
2012-10-05 23:55 ` [Qemu-devel] [PATCH 20/23] target-sparc: Use movcond for FMOV*R Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 21/23] target-sparc: Cleanup "global" temporary allocation Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 22/23] target-sparc: Fall through from not-taken trap Richard Henderson
2012-10-05 23:55 ` [Qemu-devel] [PATCH 23/23] target-sparc: Optimize conditionals using SUBCC Richard Henderson
2012-10-07 18:48 ` Blue Swirl
2012-10-07 19:16 ` Richard Henderson
2012-10-07 22:40 ` Aurelien Jarno
2012-10-07 18:44 ` [Qemu-devel] [PATCH 00/23] target-sparc comparison improvements Blue Swirl
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