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[Qemu-devel] [PATCH 7/8] target-sh4: factorize fmov implementation


From: Aurelien Jarno
Subject: [Qemu-devel] [PATCH 7/8] target-sh4: factorize fmov implementation
Date: Sat, 21 Dec 2013 17:59:04 +0100

Signed-off-by: Aurelien Jarno <address@hidden>
---
 target-sh4/translate.c |   31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 26b45c1..23d51c6 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1024,23 +1024,20 @@ static void _decode_opc(DisasContext * ctx)
        return;
     case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
        CHECK_FPU_ENABLED
-        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_st32(cpu_fregs[fr+1], addr, ctx->memidx);
-           tcg_gen_subi_i32(addr, addr, 4);
-           tcg_gen_qemu_st32(cpu_fregs[fr  ], addr, ctx->memidx);
-           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_st32(cpu_fregs[FREG(B7_4)], addr, ctx->memidx);
-           tcg_gen_mov_i32(REG(B11_8), addr);
-           tcg_temp_free(addr);
-       }
+        {
+            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) {
+                tcg_gen_qemu_st32(cpu_fregs[fr+1], addr, ctx->memidx);
+                tcg_gen_subi_i32(addr, addr, 4);
+                tcg_gen_qemu_st32(cpu_fregs[fr], addr, ctx->memidx);
+            } else {
+                tcg_gen_qemu_st32(cpu_fregs[fr], addr, ctx->memidx);
+            }
+            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
-- 
1.7.10.4




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