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From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Cc: Aurelien Jarno <aurelien@aurel32.net>
Subject: [Qemu-devel] [PATCH v3 7/8] target-sh4: factorize fmov implementation
Date: Mon, 25 May 2015 01:37:17 +0200	[thread overview]
Message-ID: <1432510638-21021-8-git-send-email-aurelien@aurel32.net> (raw)
In-Reply-To: <1432510638-21021-1-git-send-email-aurelien@aurel32.net>

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 target-sh4/translate.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index daea268..882c8d8 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1029,24 +1029,18 @@ static void _decode_opc(DisasContext * ctx)
 	return;
     case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
 	CHECK_FPU_ENABLED
+        const int fr = XREG(B7_4);
+        TCGv addr = tcg_temp_new_i32();
+        tcg_gen_subi_i32(addr, REG(B11_8), 4);
         if (ctx->flags & FPSCR_SZ) {
-	    TCGv addr = tcg_temp_new_i32();
-	    int fr = XREG(B7_4);
-	    tcg_gen_subi_i32(addr, REG(B11_8), 4);
             tcg_gen_qemu_st_i32(cpu_fregs[fr+1], addr, ctx->memidx, MO_TEUL);
 	    tcg_gen_subi_i32(addr, addr, 4);
             tcg_gen_qemu_st_i32(cpu_fregs[fr], addr, ctx->memidx, MO_TEUL);
-	    tcg_gen_mov_i32(REG(B11_8), addr);
-	    tcg_temp_free(addr);
 	} else {
-	    TCGv addr;
-	    addr = tcg_temp_new_i32();
-	    tcg_gen_subi_i32(addr, REG(B11_8), 4);
-            tcg_gen_qemu_st_i32(cpu_fregs[FREG(B7_4)], addr,
-                                ctx->memidx, MO_TEUL);
-	    tcg_gen_mov_i32(REG(B11_8), addr);
-	    tcg_temp_free(addr);
+            tcg_gen_qemu_st_i32(cpu_fregs[fr], addr, ctx->memidx, MO_TEUL);
 	}
+        tcg_gen_mov_i32(REG(B11_8), addr);
+        tcg_temp_free(addr);
 	return;
     case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
 	CHECK_FPU_ENABLED
-- 
2.1.4

  parent reply	other threads:[~2015-05-24 23:37 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-24 23:37 [Qemu-devel] [PATCH v3 0/8] target-sh4: optimizations and cleanups Aurelien Jarno
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 1/8] target-sh4: use bit number for SR constants Aurelien Jarno
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 2/8] target-sh4: Split out T from SR Aurelien Jarno
2015-06-04  5:01   ` Richard Henderson
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 3/8] target-sh4: optimize addc using add2 Aurelien Jarno
2015-06-04  5:03   ` Richard Henderson
2015-06-04 10:54     ` Paolo Bonzini
2015-06-04 16:08       ` Aurelien Jarno
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 4/8] target-sh4: optimize subc using sub2 Aurelien Jarno
2015-06-04  5:05   ` Richard Henderson
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 5/8] target-sh4: optimize negc using add2 and sub2 Aurelien Jarno
2015-06-04  5:07   ` Richard Henderson
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 6/8] target-sh4: split out Q and M from of SR and optimize div1 Aurelien Jarno
2015-06-04  5:31   ` Richard Henderson
2015-05-24 23:37 ` Aurelien Jarno [this message]
2015-05-24 23:37 ` [Qemu-devel] [PATCH v3 8/8] target-sh4: remove dead code Aurelien Jarno

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