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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, aliguori@amazon.com
Subject: [Qemu-devel] [PULL 09/14] tcg-aarch64: Use tcg_out_insn for setcond
Date: Fri, 14 Mar 2014 13:09:46 -0700	[thread overview]
Message-ID: <1394827791-6518-10-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1394827791-6518-1-git-send-email-rth@twiddle.net>

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
---
 tcg/aarch64/tcg-target.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index 7f41c75..c38e3c0 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -654,14 +654,6 @@ static void tcg_out_cmp(TCGContext *s, TCGType ext, TCGReg a,
     }
 }
 
-static inline void tcg_out_cset(TCGContext *s, TCGType ext,
-                                TCGReg rd, TCGCond c)
-{
-    /* Using CSET alias of CSINC 0x1a800400 Xd, XZR, XZR, invert(cond) */
-    unsigned int base = ext ? 0x9a9f07e0 : 0x1a9f07e0;
-    tcg_out32(s, base | tcg_cond_to_aarch64[tcg_invert_cond(c)] << 12 | rd);
-}
-
 static inline void tcg_out_goto(TCGContext *s, intptr_t target)
 {
     intptr_t offset = (target - (intptr_t)s->code_ptr) / 4;
@@ -1391,7 +1383,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         /* FALLTHRU */
     case INDEX_op_setcond_i64:
         tcg_out_cmp(s, ext, a1, a2, c2);
-        tcg_out_cset(s, 0, a0, args[3]);
+        /* Use CSET alias of CSINC Wd, WZR, WZR, invert(cond).  */
+        tcg_out_insn(s, 3506, CSINC, TCG_TYPE_I32, a0, TCG_REG_XZR,
+                     TCG_REG_XZR, tcg_invert_cond(args[3]));
         break;
 
     case INDEX_op_movcond_i32:
-- 
1.8.5.3

  parent reply	other threads:[~2014-03-14 20:10 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-14 20:09 [Qemu-devel] [PULL 00/14] tcg/aarch64 improvements, part 2 Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 01/14] tcg-aarch64: Introduce tcg_out_insn Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 02/14] tcg-aarch64: Convert shift insns to tcg_out_insn Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 03/14] tcg-aarch64: Introduce tcg_out_insn_3401 Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 04/14] tcg-aarch64: Implement mov with tcg_out_insn Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 05/14] tcg-aarch64: Handle constant operands to add, sub, and compare Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 06/14] tcg-aarch64: Handle constant operands to and, or, xor Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 07/14] tcg-aarch64: Support andc, orc, eqv, not, neg Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 08/14] tcg-aarch64: Support movcond Richard Henderson
2014-03-14 20:09 ` Richard Henderson [this message]
2014-03-14 20:09 ` [Qemu-devel] [PULL 10/14] tcg-aarch64: Support deposit Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 11/14] tcg-aarch64: Support add2, sub2 Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 12/14] tcg-aarch64: Support muluh, mulsh Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 13/14] tcg-aarch64: Support div, rem Richard Henderson
2014-03-14 20:09 ` [Qemu-devel] [PULL 14/14] tcg-aarch64: Introduce tcg_out_insn_3405 Richard Henderson
2014-03-15 18:24 ` [Qemu-devel] [PULL 00/14] tcg/aarch64 improvements, part 2 Peter Maydell

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