From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>
Subject: [Qemu-devel] [PATCH 20/23] target-sparc: Use movcond for FMOV*R
Date: Fri, 5 Oct 2012 16:55:07 -0700 [thread overview]
Message-ID: <1349481310-9237-21-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 | 46 ++++++++++++++++------------------------------
1 file changed, 16 insertions(+), 30 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 614905e..d594284 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -3051,44 +3051,30 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
rs2 = GET_FIELD(insn, 27, 31);
xop = GET_FIELD(insn, 18, 26);
save_state(dc);
-#ifdef TARGET_SPARC64
- if ((xop & 0x11f) == 0x005) { // V9 fmovsr
- int l1;
- l1 = gen_new_label();
- cond = GET_FIELD_SP(insn, 14, 17);
- cpu_src1 = get_src1(insn, cpu_src1);
- tcg_gen_brcondi_tl(gen_tcg_cond_reg[cond], cpu_src1,
- 0, l1);
- cpu_src1_32 = gen_load_fpr_F(dc, rs2);
- gen_store_fpr_F(dc, rd, cpu_src1_32);
- gen_set_label(l1);
+#ifdef TARGET_SPARC64
+#define FMOVR(sz) \
+ do { \
+ DisasCompare cmp; \
+ cond = GET_FIELD_SP(insn, 14, 17); \
+ cpu_src1 = get_src1(insn, cpu_src1); \
+ gen_compare_reg(&cmp, cond, cpu_src1); \
+ gen_fmov##sz(dc, &cmp, rd, rs2); \
+ free_compare(&cmp); \
+ } while (0)
+
+ if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
+ FMOVR(s);
break;
} else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
- int l1;
-
- l1 = gen_new_label();
- cond = GET_FIELD_SP(insn, 14, 17);
- cpu_src1 = get_src1(insn, cpu_src1);
- tcg_gen_brcondi_tl(gen_tcg_cond_reg[cond], cpu_src1,
- 0, l1);
- cpu_src1_64 = gen_load_fpr_D(dc, rs2);
- gen_store_fpr_D(dc, rd, cpu_src1_64);
- gen_set_label(l1);
+ FMOVR(d);
break;
} else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
- int l1;
-
CHECK_FPU_FEATURE(dc, FLOAT128);
- l1 = gen_new_label();
- cond = GET_FIELD_SP(insn, 14, 17);
- cpu_src1 = get_src1(insn, cpu_src1);
- tcg_gen_brcondi_tl(gen_tcg_cond_reg[cond], cpu_src1,
- 0, l1);
- gen_move_Q(rd, rs2);
- gen_set_label(l1);
+ FMOVR(q);
break;
}
+#undef FMOVR
#endif
switch (xop) {
#ifdef TARGET_SPARC64
--
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 ` [Qemu-devel] [PATCH 19/23] target-sparc: Use movcond in mulscc Richard Henderson
2012-10-05 23:55 ` Richard Henderson [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1349481310-9237-21-git-send-email-rth@twiddle.net \
--to=rth@twiddle.net \
--cc=blauwirbel@gmail.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).